NPPES file of Aug 9, 2026

Gilbert Micheal Thayer, M.D.

Obstetrics & Gynecology Physician · Savannah, TN

Gilbert Micheal Thayer, M.D. is an obstetrics & gynecology physician with a practice address in Savannah, Tennessee, and NPI 1891789848, issued on Sep 6, 2005. Check the license (Tennessee MD25714, 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
1891789848
Name
Gilbert Micheal Thayer
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
MD25714 TN
Self-reported in NPPES; status is on the state search
Practice location
175 Enoch Blvd, Savannah, TN 38372
Phone
(731) 925-2300
Enumerated
Sep 6, 2005
Record last updated
Aug 26, 2024
Fax
(731) 925-2668
Medicaid ID
3086784 TN
Medicare enrollment
Enrolled (PECOS I20080414000375); accepts Medicare assignment
Medical or professional school
University Of Tennessee, Hsc, College Of Medicine, 1993
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 175 Enoch Blvd

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

  1. Hilary Belvin-Hinton, APNPsychiatric/Mental Health Nurse Practitioner1962123000
  2. Shanda Bond, PMHNPPsychiatric/Mental Health Nurse Practitioner1669186920
  3. Kathryn ColemanFamily Nurse Practitioner1528930211
  4. Leandra Gobbell, FNPFamily Nurse Practitioner1427801158
  5. Lindsay Harbin, M.D.Family Medicine Physician1184060238
  6. Katherine Holbrook, LCSWClinical Social Worker1942622188

Verify Gilbert Micheal Thayer 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 MD25714
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Most of these Medicare Part D claims are vaccines, 75% of the cost of the top drugs

146 Medicare Part D claims for 97 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 53% of claims.

  1. Gilbert Thayer146
  2. Specialty average165

Most prescribed

Pharmacies often give vaccines under a standing order that names one clinician, and CMS counts every such claim under that clinician's NPI. These claims are therefore not a measure of this clinician's own prescribing.

  1. Shingrix48 claims
  2. Abrysvo16 claims
  3. Premarin11 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: $168.41

6 payments; by number, the most common kind was food and beverage; the largest payer was Biogen, Inc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Gilbert Thayer$168.41
  2. Specialty average$1,030.61

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Hardin County Regional Health CenterSavannah, TN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Gilbert Micheal Thayer among 815 obstetrics & gynecology physician records in Tennessee

Gilbert Micheal Thayer, M.D. is one of 815 obstetrics & gynecology physician records with a practice address in Tennessee. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 82% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated1993 · median 2005 among the 522 with a school on file
  • Record last updated2024 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in Tennessee

There are 815 obstetrics & gynecology physician records in Tennessee.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. James Baxter, M.D.Selmer, TN 383751750345807
  2. Frank Chuck, MDColumbia, TN 384011841392776
  3. Karen Davis, MDColumbia, TN 384011821057076
  4. Nicole Falls, M.D.Columbia, TN 384011982993572
  5. Danny Hays, MDColumbia, TN 384011225078140
  6. Carrie Marchman, MDColumbia, TN 384011568699411
  7. Taylor Masters, MDColumbia, TN 384011720549744
  8. Michael Pelletier, MDColumbia, TN 384011841295672

Common questions

What is Gilbert Micheal Thayer, M.D.'s NPI number?

Gilbert Micheal Thayer, M.D.'s National Provider Identifier (NPI) is 1891789848, issued on Sep 6, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Gilbert Micheal Thayer, M.D. located?

The NPPES record lists a practice address at 175 Enoch Blvd, Savannah, TN, 38372. Phone: (731) 925-2300. Providers update this record themselves, so call before visiting.

How can I verify Gilbert Micheal Thayer, M.D.'s license?

NPPES lists Tennessee license number MD25714, 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 Gilbert Micheal Thayer, M.D. prescribe under Medicare Part D?

In 2024, Gilbert Micheal Thayer, M.D. had 146 Medicare Part D claims for 97 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.