John W. Locke, MD
Gastroenterology Physician · Nashville, TN
John W. Locke, MD is a gastroenterology physician with a practice address in Nashville, Tennessee, and NPI 1174057343, issued on Apr 14, 2017. Check the license (Tennessee 76670, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- John W. Locke
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 76670 TN
Self-reported in NPPES; status is on the state search - Practice location
- 222 22ND Ave N, Nashville, TN 37203
- Phone
- (629) 255-2062
- Enumerated
- Apr 14, 2017
- Record last updated
- Jul 1, 2026
- Fax
- (629) 255-4078
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 384 in Tennessee → Look up another NPI →
Also registered at 222 22ND Ave N
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Elizabeth Bleecker, MDObstetrics & Gynecology Physician1265693774
- Jenna Bletzacker, WHNP-BCWomen's Health Nurse Practitioner1801293808
- Tamela Booker, M.D.Family Medicine Physician1265423099
Verify John W. Locke in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 76670Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average gastroenterology physician in 2024
118 Medicare Part D claims for 26 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims.
Most prescribed
- Dronabinol15 claims
- Lorazepam14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $1,064.24
4 payments; by number, the most common kind was food and beverage; the largest payer was Enterra Medical, Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
John W. Locke among 384 gastroenterology physician records in Tennessee
John W. Locke, MD is one of 384 gastroenterology physician records with a practice address in Tennessee. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 92% of them.
- NPI issued2017 · 92% of these records are older, 7% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2026 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Tennessee
There are 384 gastroenterology physician records in Tennessee.
All 384 in Tennessee → Every provider in Nashville → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- William Alexander, M.D.Nashville, TN 372031609848738
- Allan Bailey, M.D.Nashville, TN 372031396739140
- Alan Dopp, M.D.Nashville, TN 372031407828221
- Abu Fakhruddin, MDNashville, TN 372031962497867
- Thomas Lewis, MDNashville, TN 372031760478192
- Wallace McGrew, MDNashville, TN 372031629063854
- David McMillen, M.D.Nashville, TN 372031275524936
- Douglas Mitchell, M.D.Nashville, TN 372031033100730
Common questions
What is John W. Locke, MD's NPI number?
John W. Locke, MD's National Provider Identifier (NPI) is 1174057343, issued on Apr 14, 2017. An NPI identifies a provider in billing; it is not a license.
Where is John W. Locke, MD located?
The NPPES record lists a practice address at 222 22ND Ave N, Nashville, TN, 37203. Phone: (629) 255-2062. Providers update this record themselves, so call before visiting.
How can I verify John W. Locke, MD's license?
NPPES lists Tennessee license number 76670, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John W. Locke, MD prescribe under Medicare Part D?
In 2024, John W. Locke, MD had 118 Medicare Part D claims for 26 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.