NPPES file of Aug 9, 2026

Thomas Charles Stratten Martin, M.D.

Internal Medicine Physician · San Diego, CA

Thomas Charles Stratten Martin, M.D. is an internal medicine physician with a practice address in San Diego, California, and NPI 1093193583, issued on May 15, 2015. Check the license (California A155619, as entered in NPPES) on the Medical Board of California; 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
1093193583
Name
Thomas Charles Stratten Martin
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A155619 CA
Self-reported in NPPES; status is on the state search
Practice location
4168 Front St FL 3, San Diego, CA 92103
Phone
(800) 926-8273
Enumerated
May 15, 2015
Record last updated
Jan 21, 2025
Fax
(888) 539-8781
Medicare enrollment
Enrolled (PECOS I20210219001195); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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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8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →

Also registered at 4168 Front St FL 3

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

  1. Laura Bamford, MDInternal Medicine Physician1750435996
  2. Jennifer Blanchard, MDInternal Medicine Physician1972545077
  3. Jill Blumenthal, M.D.Internal Medicine Physician1336308378
  4. Robert Deiss, MDInternal Medicine Physician1194977652
  5. Tari Gilbert, NPFamily Nurse Practitioner1811248347
  6. Daniel Lee, M.D.Internal Medicine Physician1104876093

Verify Thomas Charles Stratten Martin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A155619    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 California license search

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76% fewer Medicare Part D claims than the average internal medicine physician in 2024

764 Medicare Part D claims for 49 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 44% of claims. 23 claims were for opioids.

  1. Thomas Martin764
  2. Specialty average3,176

Most prescribed

  1. Biktarvy126 claims
  2. Atorvastatin Calcium62 claims
  3. Dovato41 claims
  4. Pifeltro25 claims
  5. Tivicay24 claims
  6. Amlodipine Besylate23 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. Regents OF The University OF CaliforniaSan Diego, CA

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

Thomas Charles Stratten Martin among 17,696 internal medicine physician records in California

Thomas Charles Stratten Martin, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 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 2015, is newer than 76% of them.

  • NPI issued2015 · 76% of these records are older, 21% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2009 · median 2004 among the 11,065 with a school on file
  • Record last updated2025 · 61% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

961 internal medicine physician records list a practice address in San Diego

They are 961 of the 52,937 NPPES records with a practice address in San Diego, and 17,696 internal medicine physician records in California.

All 17,696 in California → Every provider in San Diego → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. Hamid Amjadi, DOSan Diego, CA 921031700861333
  2. Donald Brandon, M.D.San Diego, CA 921031740272467
  3. Daniel Bressler, M.D.San Diego, CA 921031700887726
  4. Eric Dahms, M.D.San Diego, CA 921031306808464
  5. Janette Gray, M.D.San Diego, CA 921031295721876
  6. San Hsieh, MDSan Diego, CA 921031851388847
  7. Arthur Kingsbury, M.D.San Diego, CA 921031144216284
  8. Timothy O'Neill, M.D.San Diego, CA 921031831172295

Common questions

What is Thomas Charles Stratten Martin, M.D.'s NPI number?

Thomas Charles Stratten Martin, M.D.'s National Provider Identifier (NPI) is 1093193583, issued on May 15, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Charles Stratten Martin, M.D. located?

The NPPES record lists a practice address at 4168 Front St FL 3, San Diego, CA, 92103. Phone: (800) 926-8273. Providers update this record themselves, so call before visiting.

How can I verify Thomas Charles Stratten Martin, M.D.'s license?

NPPES lists California license number A155619, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Thomas Charles Stratten Martin, M.D. prescribe under Medicare Part D?

In 2024, Thomas Charles Stratten Martin, M.D. had 764 Medicare Part D claims for 49 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.

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.