NPPES file of Aug 9, 2026

Clark Martin, MD

Internal Medicine Physician · Gluckstadt, MS

Clark Martin, MD is an internal medicine physician with a practice address in Gluckstadt, Mississippi, and NPI 1598415374, issued on Mar 25, 2022. Check the license (Mississippi 35930, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1598415374
Name
Clark Martin
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
35930 MS
Self-reported in NPPES; status is on the state search
Practice location
102 Lexington Dr Ste 100, Gluckstadt, MS 39110
Phone
(601) 973-1688
Enumerated
Mar 25, 2022
Record last updated
Oct 30, 2025
Medicare enrollment
Enrolled (PECOS I20251110003547); accepts Medicare assignment
Medical or professional school
University Of Mississippi School Of Medicine, 2022
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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Verify Clark Martin 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 35930
    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

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82% fewer Medicare Part D claims than the average internal medicine physician in 2024

581 Medicare Part D claims for 118 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 16 claims were for opioids.

  1. Clark Martin581
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium36 claims
  2. Gabapentin27 claims
  3. Carvedilol26 claims
  4. Amlodipine Besylate23 claims
  5. Losartan Potassium18 claims
  6. Hydrochlorothiazide16 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.

Bills Medicare through one group practice

  1. Medical Foundation OF Central Mississippi IncMadison, MS

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

1 internal medicine physician records list a practice address in Gluckstadt

They are 1 of the 19 NPPES records with a practice address in Gluckstadt, and 972 internal medicine physician records in Mississippi.

Other internal medicine physician records in Mississippi

  1. Elias Abboud, MDLexington, MS1669485983
  2. Mohamed Abdel Latif, MDColumbus, MS1922843549
  3. Ashraf Abdo, MDJackson, MS1770597049
  4. John AbernathyJackson, MS1700670650
  5. Richard Abney, M.D.Meridian, MS1710986591
  6. Joy AbrahamBiloxi, MS1225795842
  7. Ralph Abraham, M.D.Tupelo, MS1881049443
  8. Muhammad Abushaer, MDBooneville, MS1942258983
  9. Ekow Acquah, MDGulfport, MS1013922814
  10. Clement Addo, DOJackson, MS1972353472

Common questions

What is Clark Martin, MD's NPI number?

Clark Martin, MD's National Provider Identifier (NPI) is 1598415374, issued on Mar 25, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Clark Martin, MD located?

The NPPES record lists a practice address at 102 Lexington Dr Ste 100, Gluckstadt, MS, 39110. Phone: (601) 973-1688. Providers update this record themselves, so call before visiting.

How can I verify Clark Martin, MD's license?

NPPES lists Mississippi license number 35930, 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 Clark Martin, MD prescribe under Medicare Part D?

In 2024, Clark Martin, MD had 581 Medicare Part D claims for 118 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.