diff --git a/.dockerignore b/.dockerignore
index 1707413ec..5526f027b 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -2,7 +2,10 @@
 **/bcdaworker/archive/*
 **/bcdaworker/data/*
 **/bcdaworker/tmp/*
+**/bcdaworker/tmpdata
 **/bcdaworker/tmpdata/*
+**/bcdaworker/TEMP
+**/bcdaworker/TEMP/*
 **/.git
 **/data
 **/test_results
diff --git a/.gitignore b/.gitignore
index 850b6a09d..6f79ee403 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,6 +11,7 @@ bcda/swaggerui
 bcdaworker/data/*
 bcdaworker/archive/*
 bcdaworker/tmpdata/*
+bcdaworker/TEMP/*
 .env.sh
 .envrc
 bcda/pending_delete_dir/*
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 18b55cd5d..74bf0d292 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -7,4 +7,4 @@ repos:
     rev: v1.0.0-rc.1
     hooks:
       - id: golangci-lint-pkg
-        args: ['--new']
+        args: ['--new', '-v']
diff --git a/.tool-versions b/.tool-versions
new file mode 100644
index 000000000..c9953ae1e
--- /dev/null
+++ b/.tool-versions
@@ -0,0 +1 @@
+golang 1.23.1
diff --git a/Makefile b/Makefile
index 0cbe9e843..c279392a4 100644
--- a/Makefile
+++ b/Makefile
@@ -10,17 +10,19 @@ package:
 	-e GPG_SEC_KEY_FILE='${GPG_SEC_KEY_FILE}' \
 	-v ${PWD}:/go/src/github.com/CMSgov/bcda-app packaging $(version)
 
+setup-tests:
+	# Clean up any existing data to ensure we spin up container in a known state.
+	docker compose -f docker-compose.test.yml rm -fsv tests
+	docker compose -f docker-compose.test.yml build tests
 
 LINT_TIMEOUT ?= 3m
-lint:
-	docker compose -f docker-compose.test.yml build tests
+lint: setup-tests
 	docker compose -f docker-compose.test.yml run \
 	--rm tests golangci-lint run --exclude="(conf\.(Un)?[S,s]etEnv)" --exclude="github\.com\/stretchr\/testify\/suite\.Suite contains sync\.RWMutex" --timeout=$(LINT_TIMEOUT) --verbose
 	# TODO: Remove the exclusion of G301 as part of BCDA-8414
 	docker compose -f docker-compose.test.yml run --rm tests gosec -exclude=G301 ./... ./optout
 
-smoke-test:
-	docker compose -f docker-compose.test.yml build tests
+smoke-test: setup-tests
 	test/smoke_test/smoke_test.sh $(env) $(maintenanceMode)
 
 postman:
@@ -45,8 +47,7 @@ postman:
 	--global-var v2Disabled=false \
 	--global-var maintenanceMode=$(maintenanceMode)
 
-unit-test: unit-test-ssas unit-test-db unit-test-localstack load-fixtures-ssas
-	docker compose -f docker-compose.test.yml build tests
+unit-test: unit-test-ssas unit-test-db unit-test-localstack load-fixtures-ssas setup-tests
 	@docker compose -f docker-compose.test.yml run --rm tests bash scripts/unit_test.sh
 
 unit-test-ssas:
@@ -82,8 +83,7 @@ unit-test-db-snapshot:
 	# Target takes a snapshot of the currently running postgres instance used for unit testing and updates the db/testing/docker-entrypoint-initdb.d/dump.pgdata file
 	docker compose -f docker-compose.test.yml exec db-unit-test sh -c 'PGPASSWORD=$$POSTGRES_PASSWORD pg_dump -U postgres --format custom --file=/docker-entrypoint-initdb.d/dump.pgdata --create $$POSTGRES_DB'
 
-performance-test:
-	docker compose -f docker-compose.test.yml build tests
+performance-test: setup-tests
 	docker compose -f docker-compose.test.yml run --rm -w /go/src/github.com/CMSgov/bcda-app/test/performance_test tests sh performance_test.sh
 
 test:
diff --git a/bcda/client/bluebutton.go b/bcda/client/bluebutton.go
index 50a8f725a..702a9fbe0 100644
--- a/bcda/client/bluebutton.go
+++ b/bcda/client/bluebutton.go
@@ -2,11 +2,10 @@ package client
 
 import (
 	"context"
-	"crypto/sha256"
 	"crypto/tls"
 	"crypto/x509"
-	"encoding/hex"
 	"fmt"
+	"io"
 	"net/http"
 	"net/url"
 	"os"
@@ -16,7 +15,7 @@ import (
 	"time"
 
 	"github.com/ccoveille/go-safecast"
-	"github.com/cenkalti/backoff/v4"
+	backoff "github.com/cenkalti/backoff/v4"
 	"github.com/newrelic/go-agent/v3/newrelic"
 
 	"github.com/CMSgov/bcda-app/bcda/client/fhir"
@@ -32,7 +31,6 @@ import (
 	"github.com/sirupsen/logrus"
 
 	"github.com/pborman/uuid"
-	"golang.org/x/crypto/pbkdf2"
 )
 
 var logger logrus.FieldLogger
@@ -67,7 +65,7 @@ type APIClient interface {
 	GetExplanationOfBenefit(jobData models.JobEnqueueArgs, patientID string, claimsWindow ClaimsWindow) (*fhirModels.Bundle, error)
 	GetPatient(jobData models.JobEnqueueArgs, patientID string) (*fhirModels.Bundle, error)
 	GetCoverage(jobData models.JobEnqueueArgs, beneficiaryID string) (*fhirModels.Bundle, error)
-	GetPatientByIdentifierHash(jobData models.JobEnqueueArgs, hashedIdentifier string) (string, error)
+	GetPatientByMbi(jobData models.JobEnqueueArgs, mbi string) (string, error)
 	GetClaim(jobData models.JobEnqueueArgs, mbi string, claimsWindow ClaimsWindow) (*fhirModels.Bundle, error)
 	GetClaimResponse(jobData models.JobEnqueueArgs, mbi string, claimsWindow ClaimsWindow) (*fhirModels.Bundle, error)
 }
@@ -163,18 +161,16 @@ func (bbc *BlueButtonClient) GetPatient(jobData models.JobEnqueueArgs, patientID
 	return bbc.getBundleData(u, jobData, header)
 }
 
-func (bbc *BlueButtonClient) GetPatientByIdentifierHash(jobData models.JobEnqueueArgs, hashedIdentifier string) (string, error) {
-	params := GetDefaultParams()
-
-	// FHIR spec requires a FULLY qualified namespace so this is in fact the argument, not a URL
-	params.Set("identifier", fmt.Sprintf("https://bluebutton.cms.gov/resources/identifier/%s|%v", "mbi-hash", hashedIdentifier))
+func (bbc *BlueButtonClient) GetPatientByMbi(jobData models.JobEnqueueArgs, mbi string) (string, error) {
+	params := url.Values{}
 
-	u, err := bbc.getURL("Patient", params)
+	u, err := bbc.getURL("Patient/_search", params)
 	if err != nil {
 		return "", err
 	}
 
-	return bbc.getRawData(jobData, u)
+	body := fmt.Sprintf(`{"identifier":"http://hl7.org/fhir/sid/us-mbi|%s"}`, mbi)
+	return bbc.getRawData(jobData, "POST", u, strings.NewReader(body))
 }
 
 func (bbc *BlueButtonClient) GetCoverage(jobData models.JobEnqueueArgs, beneficiaryID string) (*fhirModels.Bundle, error) {
@@ -194,48 +190,38 @@ func (bbc *BlueButtonClient) GetClaim(jobData models.JobEnqueueArgs, mbi string,
 	header := make(http.Header)
 	header.Add("IncludeTaxNumbers", "true")
 
-	mbiHash, err := HashIdentifier(mbi)
-	if err != nil {
-		return nil, err
-	}
-
 	params := GetDefaultParams()
-	params.Set("mbi", mbiHash)
 	params.Set("excludeSAMHSA", "true")
 
 	updateParamWithServiceDate(&params, claimsWindow)
 	updateParamWithLastUpdated(&params, jobData.Since, jobData.TransactionTime)
 
-	u, err := bbc.getURL("Claim", params)
+	u, err := bbc.getURL("Claim/_search", params)
 	if err != nil {
 		return nil, err
 	}
 
-	return bbc.getBundleData(u, jobData, header)
+	body := fmt.Sprintf(`{"identifier":"http://hl7.org/fhir/sid/us-mbi|%s"}`, mbi)
+	return bbc.postBundleData(u, jobData, header, strings.NewReader(body))
 }
 
 func (bbc *BlueButtonClient) GetClaimResponse(jobData models.JobEnqueueArgs, mbi string, claimsWindow ClaimsWindow) (*fhirModels.Bundle, error) {
 	header := make(http.Header)
 	header.Add("IncludeTaxNumbers", "true")
 
-	mbiHash, err := HashIdentifier(mbi)
-	if err != nil {
-		return nil, err
-	}
-
 	params := GetDefaultParams()
-	params.Set("mbi", mbiHash)
 	params.Set("excludeSAMHSA", "true")
 
 	updateParamWithServiceDate(&params, claimsWindow)
 	updateParamWithLastUpdated(&params, jobData.Since, jobData.TransactionTime)
 
-	u, err := bbc.getURL("ClaimResponse", params)
+	u, err := bbc.getURL("ClaimResponse/_search", params)
 	if err != nil {
 		return nil, err
 	}
 
-	return bbc.getBundleData(u, jobData, header)
+	body := fmt.Sprintf(`{"identifier":"http://hl7.org/fhir/sid/us-mbi|%s"}`, mbi)
+	return bbc.postBundleData(u, jobData, header, strings.NewReader(body))
 }
 
 func (bbc *BlueButtonClient) GetExplanationOfBenefit(jobData models.JobEnqueueArgs, patientID string, claimsWindow ClaimsWindow) (*fhirModels.Bundle, error) {
@@ -263,13 +249,21 @@ func (bbc *BlueButtonClient) GetMetadata() (string, error) {
 	}
 	jobData := models.JobEnqueueArgs{}
 
-	return bbc.getRawData(jobData, u)
+	return bbc.getRawData(jobData, "GET", u, nil)
 }
 
 func (bbc *BlueButtonClient) getBundleData(u *url.URL, jobData models.JobEnqueueArgs, headers http.Header) (*fhirModels.Bundle, error) {
+	return bbc.makeBundleDataRequest("GET", u, jobData, headers, nil)
+}
+
+func (bbc *BlueButtonClient) postBundleData(u *url.URL, jobData models.JobEnqueueArgs, headers http.Header, body io.Reader) (*fhirModels.Bundle, error) {
+	return bbc.makeBundleDataRequest("POST", u, jobData, headers, body)
+}
+
+func (bbc *BlueButtonClient) makeBundleDataRequest(method string, u *url.URL, jobData models.JobEnqueueArgs, headers http.Header, body io.Reader) (*fhirModels.Bundle, error) {
 	var b *fhirModels.Bundle
 	for ok := true; ok; {
-		result, nextURL, err := bbc.tryBundleRequest(u, jobData, headers)
+		result, nextURL, err := bbc.tryBundleRequest(method, u, jobData, headers, body)
 		if err != nil {
 			return nil, err
 		}
@@ -287,7 +281,7 @@ func (bbc *BlueButtonClient) getBundleData(u *url.URL, jobData models.JobEnqueue
 	return b, nil
 }
 
-func (bbc *BlueButtonClient) tryBundleRequest(u *url.URL, jobData models.JobEnqueueArgs, headers http.Header) (*fhirModels.Bundle, *url.URL, error) {
+func (bbc *BlueButtonClient) tryBundleRequest(method string, u *url.URL, jobData models.JobEnqueueArgs, headers http.Header, body io.Reader) (*fhirModels.Bundle, *url.URL, error) {
 	m := monitoring.GetMonitor()
 	txn := m.Start(u.Path, nil, nil)
 	defer m.End(txn)
@@ -303,7 +297,7 @@ func (bbc *BlueButtonClient) tryBundleRequest(u *url.URL, jobData models.JobEnqu
 	b := backoff.WithMaxRetries(eb, bbc.maxTries)
 
 	err = backoff.RetryNotify(func() error {
-		req, err := http.NewRequest("GET", u.String(), nil)
+		req, err := http.NewRequest(method, u.String(), body)
 		if err != nil {
 			logger.Error(err)
 			return err
@@ -337,7 +331,7 @@ func (bbc *BlueButtonClient) tryBundleRequest(u *url.URL, jobData models.JobEnqu
 	return result, nextURL, nil
 }
 
-func (bbc *BlueButtonClient) getRawData(jobData models.JobEnqueueArgs, u *url.URL) (string, error) {
+func (bbc *BlueButtonClient) getRawData(jobData models.JobEnqueueArgs, method string, u *url.URL, body io.Reader) (string, error) {
 	m := monitoring.GetMonitor()
 	txn := m.Start(u.Path, nil, nil)
 	defer m.End(txn)
@@ -349,7 +343,7 @@ func (bbc *BlueButtonClient) getRawData(jobData models.JobEnqueueArgs, u *url.UR
 	var result string
 
 	err := backoff.RetryNotify(func() error {
-		req, err := http.NewRequest("GET", u.String(), nil)
+		req, err := http.NewRequest(method, u.String(), body)
 		if err != nil {
 			logger.Error(err)
 			return err
@@ -417,19 +411,6 @@ func GetDefaultParams() (params url.Values) {
 	return params
 }
 
-func HashIdentifier(toHash string) (hashedValue string, err error) {
-	blueButtonPepper := conf.GetEnv("BB_HASH_PEPPER")
-	blueButtonIter := utils.GetEnvInt("BB_HASH_ITER", 1000)
-
-	pepper, err := hex.DecodeString(blueButtonPepper)
-
-	if err != nil {
-		return "", errors.Wrap(err, "Failed to decode bluebutton hash pepper")
-	}
-
-	return hex.EncodeToString(pbkdf2.Key([]byte(toHash), pepper, blueButtonIter, 32, sha256.New)), nil
-}
-
 func updateParamWithServiceDate(params *url.Values, claimsWindow ClaimsWindow) {
 	// ServiceDate only uses yyyy-mm-dd
 	const isoDate = "2006-01-02"
diff --git a/bcda/client/bluebutton_test.go b/bcda/client/bluebutton_test.go
index 2199f6584..e653538ec 100644
--- a/bcda/client/bluebutton_test.go
+++ b/bcda/client/bluebutton_test.go
@@ -296,20 +296,6 @@ func (s *BBRequestTestSuite) TestGetClaim() {
 	assert.Equal(s.T(), 1, len(e.Entries))
 }
 
-func (s *BBRequestTestSuite) TestGetClaim_HashIdentifierError() {
-	existingPepper := conf.GetEnv("BB_HASH_PEPPER")
-
-	defer func() {
-		conf.SetEnv(s.T(), "BB_HASH_PEPPER", existingPepper)
-	}()
-
-	conf.SetEnv(s.T(), "BB_HASH_PEPPER", "ëÃìùÃ")
-
-	_, err := s.bbClient.GetClaim(jobData, "1234567890hashed", client.ClaimsWindow{})
-	assert.NotNil(s.T(), err)
-	assert.Contains(s.T(), err.Error(), "Failed to decode bluebutton hash pepper")
-}
-
 func (s *BBRequestTestSuite) TestGetClaim_500() {
 	e, err := s.bbClient.GetClaim(jobData, "1234567890hashed", client.ClaimsWindow{})
 	assert.Regexp(s.T(), `blue button request failed \d+ time\(s\) failed to get bundle response`, err.Error())
@@ -322,20 +308,6 @@ func (s *BBRequestTestSuite) TestGetClaimResponse() {
 	assert.Equal(s.T(), 1, len(e.Entries))
 }
 
-func (s *BBRequestTestSuite) TestGetClaimResponse_HashIdentifierError() {
-	existingPepper := conf.GetEnv("BB_HASH_PEPPER")
-
-	defer func() {
-		conf.SetEnv(s.T(), "BB_HASH_PEPPER", existingPepper)
-	}()
-
-	conf.SetEnv(s.T(), "BB_HASH_PEPPER", "ëÃìùÃ")
-
-	_, err := s.bbClient.GetClaimResponse(jobData, "1234567890hashed", client.ClaimsWindow{})
-	assert.NotNil(s.T(), err)
-	assert.Contains(s.T(), err.Error(), "Failed to decode bluebutton hash pepper")
-}
-
 func (s *BBRequestTestSuite) TestGetClaimResponse_500() {
 	e, err := s.bbClient.GetClaimResponse(jobData, "1234567890hashed", client.ClaimsWindow{})
 	assert.Regexp(s.T(), `blue button request failed \d+ time\(s\) failed to get bundle response`, err.Error())
@@ -355,20 +327,20 @@ func (s *BBRequestTestSuite) TestGetMetadata_500() {
 	assert.Equal(s.T(), "", p)
 }
 
-func (s *BBRequestTestSuite) TestGetPatientByIdentifierHash() {
-	p, err := s.bbClient.GetPatientByIdentifierHash(models.JobEnqueueArgs{}, "hashedIdentifier")
+func (s *BBRequestTestSuite) TestGetPatientByMbi() {
+	p, err := s.bbClient.GetPatientByMbi(models.JobEnqueueArgs{}, "mbi")
 	assert.Nil(s.T(), err)
 	assert.Contains(s.T(), p, `"id": "20000000000001"`)
 }
 
-func (s *BBRequestTestSuite) TestGetPatientByIdentifierHash_500() {
+func (s *BBRequestTestSuite) TestGetPatientByMbi_500() {
 	var cms_id, job_id bool
 	hook := test.NewLocal(logrus.StandardLogger())
 	jobData := models.JobEnqueueArgs{
 		ID:    1,
 		CMSID: "A0000",
 	}
-	p, err := s.bbClient.GetPatientByIdentifierHash(jobData, "hashedIdentifier")
+	p, err := s.bbClient.GetPatientByMbi(jobData, "mbi")
 	entry := hook.AllEntries()
 	for _, t := range entry {
 		s.T().Log(t.Data)
@@ -385,51 +357,6 @@ func (s *BBRequestTestSuite) TestGetPatientByIdentifierHash_500() {
 	assert.Equal(s.T(), "", p)
 }
 
-// Sample values from https://confluence.cms.gov/pages/viewpage.action?spaceKey=BB&title=Getting+Started+with+Blue+Button+2.0%27s+Backend#space-menu-link-content
-func (s *BBTestSuite) TestHashIdentifier() {
-	assert.NotZero(s.T(), conf.GetEnv("BB_HASH_PEPPER"))
-	HICN := "1000067585"
-	HICNHash, err := client.HashIdentifier(HICN)
-	assert.Nil(s.T(), err)
-
-	// This test will only be valid for this pepper.  If it is different in different environments we will need different checks
-	if conf.GetEnv("BB_HASH_PEPPER") == "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" {
-		assert.Equal(s.T(), "b67baee938a551f06605ecc521cc329530df4e088e5a2d84bbdcc047d70faff4", HICNHash)
-	}
-	HICN = "123456789"
-	HICNHash, err = client.HashIdentifier(HICN)
-	assert.Nil(s.T(), err)
-	assert.NotEqual(s.T(), "b67baee938a551f06605ecc521cc329530df4e088e5a2d84bbdcc047d70faff4", HICNHash)
-
-	MBI := "1000067585"
-	MBIHash, err := client.HashIdentifier(MBI)
-	assert.Nil(s.T(), err)
-
-	if conf.GetEnv("BB_HASH_PEPPER") == "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" {
-		assert.Equal(s.T(), "b67baee938a551f06605ecc521cc329530df4e088e5a2d84bbdcc047d70faff4", MBIHash)
-	}
-
-	MBI = "123456789"
-	MBIHash, err = client.HashIdentifier(MBI)
-	assert.Nil(s.T(), err)
-	assert.NotEqual(s.T(), "b67baee938a551f06605ecc521cc329530df4e088e5a2d84bbdcc047d70faff4", MBIHash)
-}
-
-func (s *BBTestSuite) TestHashIdentifierFailure() {
-	assert.NotZero(s.T(), conf.GetEnv("BB_HASH_PEPPER"))
-	existingPepper := conf.GetEnv("BB_HASH_PEPPER")
-
-	defer func() {
-		conf.SetEnv(s.T(), "BB_HASH_PEPPER", existingPepper)
-	}()
-
-	conf.SetEnv(s.T(), "BB_HASH_PEPPER", "ëÃìùÃ")
-
-	HICN := "1000067585"
-	_, err := client.HashIdentifier(HICN)
-	assert.NotNil(s.T(), err)
-}
-
 func (s *BBRequestTestSuite) TearDownAllSuite() {
 	s.ts.Close()
 }
@@ -636,9 +563,9 @@ func (s *BBRequestTestSuite) TestValidateRequest() {
 			},
 		},
 		{
-			"GetPatientByIdentifierHash",
+			"GetPatientByMbi",
 			func(bbClient *client.BlueButtonClient) (interface{}, error) {
-				return bbClient.GetPatientByIdentifierHash(models.JobEnqueueArgs{}, "hashedIdentifier")
+				return bbClient.GetPatientByMbi(models.JobEnqueueArgs{}, "mbi")
 			},
 			func(t *testing.T, payload interface{}) {
 				result, ok := payload.(string)
@@ -650,7 +577,7 @@ func (s *BBRequestTestSuite) TestValidateRequest() {
 				noIncludeAddressFieldsChecker,
 				noIncludeTaxNumbersChecker,
 				noBulkRequestHeaders,
-				hasDefaultRequestHeaders,
+				hasDefaultRequestHeadersNoQuery,
 			},
 		},
 		{
@@ -1022,6 +949,13 @@ func hasDefaultRequestHeaders(t *testing.T, req *http.Request) {
 	assert.NotEmpty(t, req.Header.Get(constants.BBHeaderOriginQ))
 	assert.NotEmpty(t, req.Header.Get(constants.BBHeaderOriginQC))
 }
+func hasDefaultRequestHeadersNoQuery(t *testing.T, req *http.Request) {
+	assert.NotEmpty(t, req.Header.Get(constants.BBHeaderTS))
+	assert.NotEmpty(t, req.Header.Get(constants.BBHeaderOriginURL))
+	assert.NotEmpty(t, req.Header.Get(constants.BBHeaderOriginQID))
+	assert.Empty(t, req.Header.Get(constants.BBHeaderOriginQ))
+	assert.NotEmpty(t, req.Header.Get(constants.BBHeaderOriginQC))
+}
 func hasBulkRequestHeaders(t *testing.T, req *http.Request) {
 	assert.NotEmpty(t, req.Header.Get(jobIDHeader))
 	assert.NotEmpty(t, req.Header.Get(clientIDHeader))
diff --git a/bcda/client/mock_bluebutton.go b/bcda/client/mock_bluebutton.go
index 279affeab..29219e3c9 100644
--- a/bcda/client/mock_bluebutton.go
+++ b/bcda/client/mock_bluebutton.go
@@ -26,8 +26,8 @@ func (bbc *MockBlueButtonClient) GetExplanationOfBenefit(jobData models.JobEnque
 	return args.Get(0).(*fhirModels.Bundle), args.Error(1)
 }
 
-func (bbc *MockBlueButtonClient) GetPatientByIdentifierHash(jobData models.JobEnqueueArgs, hashedIdentifier string) (string, error) {
-	args := bbc.Called(hashedIdentifier)
+func (bbc *MockBlueButtonClient) GetPatientByMbi(jobData models.JobEnqueueArgs, mbi string) (string, error) {
+	args := bbc.Called(mbi)
 	return args.String(0), args.Error(1)
 }
 
diff --git a/bcdaworker/worker/bluebutton.go b/bcdaworker/worker/bluebutton.go
index 79782b079..42f220021 100644
--- a/bcdaworker/worker/bluebutton.go
+++ b/bcdaworker/worker/bluebutton.go
@@ -12,12 +12,7 @@ import (
 // This method will ensure that a valid BlueButton ID is returned.
 // If you use cclfBeneficiary.BlueButtonID you will not be guaranteed a valid value
 func getBlueButtonID(bb client.APIClient, mbi string, jobData models.JobEnqueueArgs) (blueButtonID string, err error) {
-	hashedIdentifier, err := client.HashIdentifier(mbi)
-	if err != nil {
-		return "", err
-	}
-
-	jsonData, err := bb.GetPatientByIdentifierHash(jobData, hashedIdentifier)
+	jsonData, err := bb.GetPatientByMbi(jobData, mbi)
 	if err != nil {
 		return "", err
 	}
diff --git a/bcdaworker/worker/worker_test.go b/bcdaworker/worker/worker_test.go
index 8bf8ec6c0..0296cf6a8 100644
--- a/bcdaworker/worker/worker_test.go
+++ b/bcdaworker/worker/worker_test.go
@@ -188,24 +188,21 @@ func SetupWriteResourceToFile(s *WorkerTestSuite, resource string) (context.Cont
 	ctx := context.Background()
 	ctx = log.NewStructuredLoggerEntry(log.Worker, ctx)
 
-	id, err := client.HashIdentifier(cclfBeneficiary.MBI)
-	assert.Nil(s.T(), err)
-
 	switch resource {
 	case "ExplanationOfBenefit":
-		bbc.On("GetPatientByIdentifierHash", id).Return(bbc.GetData("Patient", beneID))
+		bbc.On("GetPatientByMbi", cclfBeneficiary.MBI).Return(bbc.GetData("Patient", beneID))
 		bbc.On("GetExplanationOfBenefit", jobArgs, beneID, claimsWindowMatcher(claimsWindow.LowerBound, claimsWindow.UpperBound)).Return(bbc.GetBundleData("ExplanationOfBenefit", beneID))
 	case "Coverage":
-		bbc.On("GetPatientByIdentifierHash", id).Return(bbc.GetData("Patient", beneID))
+		bbc.On("GetPatientByMbi", cclfBeneficiary.MBI).Return(bbc.GetData("Patient", beneID))
 		bbc.On("GetCoverage", jobArgs, beneID).Return(bbc.GetBundleData("Coverage", beneID))
 	case "Patient":
-		bbc.On("GetPatientByIdentifierHash", id).Return(bbc.GetData("Patient", beneID))
+		bbc.On("GetPatientByMbi", cclfBeneficiary.MBI).Return(bbc.GetData("Patient", beneID))
 		bbc.On("GetPatient", jobArgs, beneID).Return(bbc.GetBundleData("Patient", beneID))
 	case "Claim":
-		bbc.On("GetPatientByIdentifierHash", id).Return(bbc.GetData("Patient", beneID))
+		bbc.On("GetPatientByMbi", cclfBeneficiary.MBI).Return(bbc.GetData("Patient", beneID))
 		bbc.On("GetClaim", jobArgs, beneID, claimsWindowMatcher(claimsWindow.LowerBound, claimsWindow.UpperBound)).Return(bbc.GetBundleData("Claim", beneID))
 	case "ClaimResponse":
-		bbc.On("GetPatientByIdentifierHash", id).Return(bbc.GetData("Patient", beneID))
+		bbc.On("GetPatientByMbi", cclfBeneficiary.MBI).Return(bbc.GetData("Patient", beneID))
 		bbc.On("GetClaimResponse", jobArgs, beneID, claimsWindowMatcher(claimsWindow.LowerBound, claimsWindow.UpperBound)).Return(bbc.GetBundleData("ClaimResponse", beneID))
 
 	}
@@ -254,10 +251,7 @@ func (s *WorkerTestSuite) TestWriteEmptyResourceToFile() {
 	postgrestest.CreateCCLFBeneficiary(s.T(), s.db, &cclfBeneficiary)
 	cclfBeneficiaryIDs = append(cclfBeneficiaryIDs, strconv.FormatUint(uint64(cclfBeneficiary.ID), 10))
 
-	id, err := client.HashIdentifier(cclfBeneficiary.MBI)
-	assert.Nil(s.T(), err)
-
-	bbc.On("GetPatientByIdentifierHash", id).Return(bbc.GetData("Patient", beneficiaryID))
+	bbc.On("GetPatientByMbi", cclfBeneficiary.MBI).Return(bbc.GetData("Patient", beneficiaryID))
 
 	jobArgs := models.JobEnqueueArgs{ID: s.jobID, ResourceType: "ExplanationOfBenefit", BeneficiaryIDs: cclfBeneficiaryIDs, TransactionTime: transactionTime, ACOID: s.testACO.UUID.String()}
 	// Set up the mock function to return the expected values
@@ -282,10 +276,7 @@ func (s *WorkerTestSuite) TestWriteEOBDataToFileWithErrorsBelowFailureThreshold(
 		cclfBeneficiary := models.CCLFBeneficiary{FileID: s.cclfFile.ID, MBI: beneficiaryID, BlueButtonID: beneficiaryID}
 		postgrestest.CreateCCLFBeneficiary(s.T(), s.db, &cclfBeneficiary)
 		cclfBeneficiaryIDs = append(cclfBeneficiaryIDs, strconv.FormatUint(uint64(cclfBeneficiary.ID), 10))
-
-		id, err := client.HashIdentifier(cclfBeneficiary.MBI)
-		assert.Nil(s.T(), err)
-		bbc.On("GetPatientByIdentifierHash", id).Return(bbc.GetData("Patient", beneficiaryID))
+		bbc.On("GetPatientByMbi", cclfBeneficiary.MBI).Return(bbc.GetData("Patient", beneficiaryID))
 	}
 
 	jobArgs := models.JobEnqueueArgs{ID: s.jobID, ResourceType: "ExplanationOfBenefit", BeneficiaryIDs: cclfBeneficiaryIDs, TransactionTime: transactionTime, ACOID: s.testACO.UUID.String()}
@@ -335,17 +326,13 @@ func (s *WorkerTestSuite) TestWriteEOBDataToFileWithErrorsAboveFailureThreshold(
 	bbc.On("GetExplanationOfBenefit", jobArgs, beneficiaryIDs[0], claimsWindowMatcher()).Return(nil, errors.New("error"))
 	bbc.On("GetExplanationOfBenefit", jobArgs, beneficiaryIDs[1], claimsWindowMatcher()).Return(nil, errors.New("error"))
 	bbc.MBI = &beneficiaryIDs[0]
-	id0, err := client.HashIdentifier(beneficiaryIDs[0])
-	assert.Nil(s.T(), err)
-	bbc.On("GetPatientByIdentifierHash", id0).Return(bbc.GetData("Patient", beneficiaryIDs[0]))
+	bbc.On("GetPatientByMbi", beneficiaryIDs[0]).Return(bbc.GetData("Patient", beneficiaryIDs[0]))
 
 	bbc.MBI = &beneficiaryIDs[1]
-	id1, err := client.HashIdentifier(beneficiaryIDs[1])
-	assert.Nil(s.T(), err)
-	bbc.On("GetPatientByIdentifierHash", id1).Return(bbc.GetData("Patient", beneficiaryIDs[1]))
+	bbc.On("GetPatientByMbi", beneficiaryIDs[1]).Return(bbc.GetData("Patient", beneficiaryIDs[1]))
 
 	jobArgs.BeneficiaryIDs = cclfBeneficiaryIDs
-	err = createDir(s.tempDir)
+	err := createDir(s.tempDir)
 	assert.NoError(s.T(), err)
 	jobKeys, err := writeBBDataToFile(s.logctx, s.r, &bbc, *s.testACO.CMSID, rand.Int63(), jobArgs, s.tempDir)
 	assert.Len(s.T(), jobKeys, 1)
@@ -378,7 +365,7 @@ func (s *WorkerTestSuite) TestWriteEOBDataToFile_BlueButtonIDNotFound() {
 	conf.SetEnv(s.T(), "EXPORT_FAIL_PCT", "51")
 
 	bbc := client.MockBlueButtonClient{}
-	bbc.On("GetPatientByIdentifierHash", mock.AnythingOfType("string")).Return("", errors.New("No beneficiary found for MBI"))
+	bbc.On("GetPatientByMbi", mock.AnythingOfType("string")).Return("", errors.New("No beneficiary found for MBI"))
 
 	badMBIs := []string{"ab000000001", "ab000000002"}
 	var cclfBeneficiaryIDs []string
diff --git a/go.mod b/go.mod
index d3de5cd8b..a1c85fb6f 100644
--- a/go.mod
+++ b/go.mod
@@ -38,7 +38,7 @@ require (
 	github.com/stretchr/testify v1.9.0
 	github.com/tsenart/vegeta v12.7.0+incompatible
 	github.com/urfave/cli v1.22.9
-	golang.org/x/crypto v0.23.0
+	golang.org/x/crypto v0.23.0 // indirect
 	golang.org/x/text v0.15.0
 	gotest.tools/gotestsum v1.6.2
 )
diff --git a/shared_files/encrypted/local.env b/shared_files/encrypted/local.env
index ef6ad61f2..ef36572b4 100644
--- a/shared_files/encrypted/local.env
+++ b/shared_files/encrypted/local.env
@@ -1,125 +1,98 @@
 $ANSIBLE_VAULT;1.1;AES256
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