Thomas H. Greer, M.D.
Internal Medicine Physician · Meridian, MS
Thomas H. Greer, M.D. is an internal medicine physician with a practice address in Meridian, Mississippi, and NPI 1942287529, issued on Dec 27, 2005. Check the license (Mississippi 05271, as entered in NPPES) on the Mississippi State Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Thomas H. Greer
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 05271 MS
Self-reported in NPPES; status is on the state search - Practice location
- 1600 22ND Ave, Meridian, MS 39301
- Phone
- (601) 483-5322
- Enumerated
- Dec 27, 2005
- Record last updated
- Mar 8, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (601) 581-2289
- Medicaid ID
- 00121500 MS
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 972 in Mississippi → Look up another NPI →
Also registered at 1600 22ND Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Joel Callahan, M.D.Gastroenterology Physician1699752246
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Verify Thomas H. Greer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMississippi State Board of Medical Licensure
Search for license 05271Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
17 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Thomas H. Greer among 972 internal medicine physician records in Mississippi
Thomas H. Greer, M.D. is one of 972 internal medicine physician records with a practice address in Mississippi. 82% 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, 96% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2016 · 52% 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 Mississippi practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
25 internal medicine physician records list a practice address in Meridian
They are 25 of the 1,291 NPPES records with a practice address in Meridian, and 972 internal medicine physician records in Mississippi.
All 972 in Mississippi → Every provider in Meridian → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Richard Abney, M.D.Meridian, MS 393011710986591
- Sohail Ahmed, M.D.Meridian, MS 393011922081397
- Patrick Ajiboye, MDMeridian, MS 393011205913902
- Ruba Barakat, M.D.Meridian, MS 393011104894880
- William Bell, M.D.Meridian, MS 393011104808856
- Harry Dayton, M. D., PH. D.Meridian, MS 393011275695694
- Anthony Fouts, M.D.Meridian, MS 393011568445518
- Eniola Otuseso, MDMeridian, MS 393011962451757
Common questions
What is Thomas H. Greer, M.D.'s NPI number?
Thomas H. Greer, M.D.'s National Provider Identifier (NPI) is 1942287529, issued on Dec 27, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Thomas H. Greer, M.D. located?
The NPPES record lists a practice address at 1600 22ND Ave, Meridian, MS, 39301. Phone: (601) 483-5322. Providers update this record themselves, so call before visiting.
How can I verify Thomas H. Greer, M.D.'s license?
NPPES lists Mississippi license number 05271, as entered by the provider. Search the Mississippi State Board of Medical Licensure at https://www.msbml.ms.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Thomas H. Greer, M.D. prescribe under Medicare Part D?
In 2024, Thomas H. Greer, M.D. had 17 Medicare Part D claims; 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.