NPPES file of Aug 9, 2026

Anthony L. Thomas, M.D.

Gastroenterology Physician · Meridian, MS

Anthony L. Thomas, M.D. is a gastroenterology physician with a practice address in Meridian, Mississippi, and NPI 1639156235, issued on Dec 27, 2005. Check the license (Mississippi 12222, as entered in NPPES) on the Mississippi State Board of Medical Licensure; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1639156235
Name
Anthony L. Thomas
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
12222 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
Oct 22, 2024
Fax
(601) 581-2289
Medicaid ID
00121537 MS
Medicare enrollment
Enrolled (PECOS I20080603000597); accepts Medicare assignment
Medical or professional school
University Of Mississippi School Of Medicine, 1988
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.
Download card Updates feed

Also registered at 1600 22ND Ave

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

  1. John Andy, M.D.Nephrology Physician1336126911
  2. Ruba Barakat, M.D.Internal Medicine Physician1104894880
  3. A Boone, M.D.Nephrology Physician1427035070
  4. Heather Bunyard, FNP-BCFamily Nurse Practitioner1164794178
  5. Joel Callahan, M.D.Gastroenterology Physician1699752246
  6. Thomas Calvit, MDGastroenterology Physician1427031731

Verify Anthony L. Thomas in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMississippi State Board of Medical Licensure
    Search for license 12222
    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 Mississippi 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

2.4 times the Medicare Part D claims of the average gastroenterology physician in 2024

1,926 Medicare Part D claims for 473 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.

  1. Anthony Thomas1,926
  2. Specialty average811

Most prescribed

  1. Pantoprazole Sodium837 claims
  2. Dicyclomine Hcl203 claims
  3. Omeprazole180 claims
  4. Rabeprazole Sodium46 claims
  5. Lansoprazole42 claims
  6. Esomeprazole Magnesium36 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.

The MIPS final score for 2023 (Medicare payment program): 93.1 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score83.1
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%88.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $27.56

2 payments; by number, the most common kind was food and beverage; the largest payer was Merck Sharp & Dohme LLC. 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.

  1. Anthony Thomas$27.56
  2. Specialty average$5,015.95

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. Anderson Physician Alliance IncMeridian, MS

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

Anthony L. Thomas among 128 gastroenterology physician records in Mississippi

Anthony L. Thomas, M.D. is one of 128 gastroenterology physician records with a practice address in Mississippi. 87% 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, 75% newer
  • In a Medicare fileYes · 87% of these records are
  • In the CMS Doctors and Clinicians fileYes · 80% of these records are
  • Graduated1988 · median 1998 among the 102 with a school on file
  • Record last updated2024 · 49% 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 Mississippi practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in Mississippi

There are 128 gastroenterology physician records in Mississippi.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Joel Callahan, M.D.Meridian, MS 393011699752246
  2. Thomas Calvit, MDMeridian, MS 393011427031731
  3. Thomas Crowson, M.D.Meridian, MS 393011912129826
  4. Vincent Dungan, M.D.Meridian, MS 393011134102296
  5. Adam Parker, M.D.Meridian, MS 393011053724179
  6. Niraj Shah, M.DMeridian, MS 393011235495474
  7. Eddie Starnes, M.D.Meridian, MS 393011770550295
  8. William Thaggard, M.D.Meridian, MS 393011114923547

Common questions

What is Anthony L. Thomas, M.D.'s NPI number?

Anthony L. Thomas, M.D.'s National Provider Identifier (NPI) is 1639156235, issued on Dec 27, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Anthony L. Thomas, 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 Anthony L. Thomas, M.D.'s license?

NPPES lists Mississippi license number 12222, 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 Anthony L. Thomas, M.D. prescribe under Medicare Part D?

In 2024, Anthony L. Thomas, M.D. had 1,926 Medicare Part D claims for 473 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

What is Anthony L. Thomas, M.D.'s MIPS final score?

The 2023 MIPS final score is 93.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.