NPPES file of Aug 9, 2026

Gordon Marsa, M.D.

Gastroenterology Physician · Greeneville, TN

Gordon Marsa, M.D. is a gastroenterology physician with a practice address in Greeneville, Tennessee, and NPI 1477593218, issued on Jun 8, 2006. Check the license (Tennessee MD012964, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1477593218
Name
Gordon Marsa
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
MD012964 TN
Self-reported in NPPES; status is on the state search
Practice location
1406 Tusculum Blvd Ste 1200, Greeneville, TN 37745
Phone
(423) 302-6565
Enumerated
Jun 8, 2006
Record last updated
Oct 1, 2024
Fax
(423) 952-2175
Medicaid ID
30119111 TN
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest gastroenterology physician records → All 384 in Tennessee → Look up another NPI →

Also registered at 1406 Tusculum Blvd Ste 1200

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Leah Balch, AGPCNPGerontology Nurse Practitioner1225451925
  2. Jennifer Johnson, APRN, FNP-CFamily Nurse Practitioner1548734338
  3. Joseph Kretschmar, M.D.Gastroenterology Physician1699763649
  4. Alice Lilly, FNP-CFamily Nurse Practitioner1972067395

Verify Gordon Marsa in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTennessee Board of Medical Examiners
    Search for license MD012964    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Tennessee license search

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98% fewer Medicare Part D claims than the average gastroenterology physician in 2024

14 Medicare Part D claims, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.

  1. Gordon Marsa14
  2. Specialty average811

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.

Gordon Marsa among 384 gastroenterology physician records in Tennessee

Gordon Marsa, M.D. 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 2006, is newer than 26% of them.

  • NPI issued2006 · 26% of these records are older, 37% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 66% of these records are
  • Record last updated2024 · 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 Greeneville → Gastroenterology Physician nationwide →

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Joseph Kretschmar, M.D.Greeneville, TN 377451699763649
  2. Christopher Kulisek, M.D.Lenoir City, TN 377721902093537
  3. Edward Brown, MDMaryville, TN 378041851354195
  4. Andrew Canning, M.D.Maryville, TN 378041760833925
  5. Richard Cline, MDMaryville, TN 378041942263280
  6. Isaac Cline, M.D.Maryville, TN 378041245592823
  7. Michael Coffey, MDMaryville, TN 378041225091564
  8. Sirisha Jasti, MDMaryville, TN 378041477716744

Common questions

What is Gordon Marsa, M.D.'s NPI number?

Gordon Marsa, M.D.'s National Provider Identifier (NPI) is 1477593218, issued on Jun 8, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gordon Marsa, M.D. located?

The NPPES record lists a practice address at 1406 Tusculum Blvd Ste 1200, Greeneville, TN, 37745. Phone: (423) 302-6565. Providers update this record themselves, so call before visiting.

How can I verify Gordon Marsa, M.D.'s license?

NPPES lists Tennessee license number MD012964, 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 Gordon Marsa, M.D. prescribe under Medicare Part D?

In 2024, Gordon Marsa, M.D. had 14 Medicare Part D claims; 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.