John M. Gaumnitz, MD
Internal Medicine Physician · Nashville, TN
John M. Gaumnitz, MD is an internal medicine physician with a practice address in Nashville, Tennessee, and NPI 1417582479, issued on Mar 10, 2020. Check the license on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- John M. Gaumnitz
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 12994420-1205 UT
Self-reported in NPPES; status is on the state search - Practice location
- 1161 21St Ave S, Nashville, TN 37232
- Phone
- (615) 322-2035
- Enumerated
- Mar 10, 2020
- Record last updated
- Jun 30, 2025
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,596 in Tennessee → Look up another NPI →
Also registered at 1161 21St Ave S
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John M. Gaumnitz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical ExaminersCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average internal medicine physician in 2024
183 Medicare Part D claims for 26 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 31% of claims.
Most prescribed
- Allopurinol14 claims
- Metoprolol Succinate11 claims
- Trazodone Hcl11 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.
John M. Gaumnitz among 2,596 internal medicine physician records in Tennessee
John M. Gaumnitz, MD is one of 2,596 internal medicine physician records with a practice address in Tennessee. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 91% of them.
- NPI issued2020 · 91% of these records are older, 7% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2025 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
613 internal medicine physician records list a practice address in Nashville
They are 613 of the 24,357 NPPES records with a practice address in Nashville, and 2,596 internal medicine physician records in Tennessee.
All 2,596 in Tennessee → Every provider in Nashville → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Billy Copeland, M.D.Nashville, TN 372321669473716
- Nancy Davis, MDNashville, TN 372321932153244
- Jennifer DebrulerNashville, TN 372321588656524
- Tiffany Hines, MDNashville, TN 372321164468906
- Melissa Hixson, MDNashville, TN 372321407843089
- Martha Leonard, MDNashville, TN 372321699717819
- Michael Matheny, MD, MS, MPHNashville, TN 372321275579427
- Harvey Murff, M.D.Nashville, TN 372321063445641
Common questions
What is John M. Gaumnitz, MD's NPI number?
John M. Gaumnitz, MD's National Provider Identifier (NPI) is 1417582479, issued on Mar 10, 2020. An NPI identifies a provider in billing; it is not a license.
Where is John M. Gaumnitz, MD located?
The NPPES record lists a practice address at 1161 21St Ave S, Nashville, TN, 37232. Phone: (615) 322-2035. Providers update this record themselves, so call before visiting.
How can I verify John M. Gaumnitz, MD's license?
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 M. Gaumnitz, MD prescribe under Medicare Part D?
In 2024, John M. Gaumnitz, MD had 183 Medicare Part D claims for 26 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.