James Aaron Marin, M.D.
Emergency Medicine Physician · San Antonio, TX
James Aaron Marin, M.D. is an emergency medicine physician with a practice address in San Antonio, Texas, and NPI 1992239966, issued on Apr 17, 2017. Check the license (Texas S3708, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- James Aaron Marin
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- S3708 TX
BP10059381 TX
Self-reported in NPPES; status is on the state search - Practice location
- 4502 Medical Dr, San Antonio, TX 78229
- Phone
- (210) 358-4000
- Enumerated
- Apr 17, 2017
- Record last updated
- Feb 27, 2020 (not updated in 6 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 4,885 in Texas → Look up another NPI →
Also registered at 4502 Medical Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jordan Abel, M.D.Infectious Disease Physician1417273301
- Aesha Aboueisha, MDHospitalist Physician1225527815
- Seena Abraham, MDFamily Medicine Physician1306338561
Verify James Aaron Marin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license S3708Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
30% fewer Medicare Part D claims than the average emergency medicine physician in 2024
159 Medicare Part D claims for 101 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Ibuprofen32 claims
- Cefdinir15 claims
- Methocarbamol15 claims
- Clindamycin Hcl11 claims
- Ondansetron Odt11 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.
James Aaron Marin among 4,885 emergency medicine physician records in Texas
James Aaron Marin, M.D. is one of 4,885 emergency medicine physician records with a practice address in Texas. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 74% of them.
- NPI issued2017 · 74% of these records are older, 23% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2020 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
400 emergency medicine physician records list a practice address in San Antonio
They are 400 of the 37,749 NPPES records with a practice address in San Antonio, and 4,885 emergency medicine physician records in Texas.
All 4,885 in Texas → Every provider in San Antonio → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Bruce Adams, MDSan Antonio, TX 782291578552535
- Kathlene Bassett, MDSan Antonio, TX 782291801875273
- Barr Baynton, M.D.San Antonio, TX 782291326049198
- Victor Burgos, M.D.San Antonio, TX 782291376518639
- Hector Caraballo, M.D.San Antonio, TX 782291427023688
- Kevin King, M.D.San Antonio, TX 782291992796635
- Judith Knoll, DOSan Antonio, TX 782291861491862
- Robert Kottman, MDSan Antonio, TX 782291558356600
Common questions
What is James Aaron Marin, M.D.'s NPI number?
James Aaron Marin, M.D.'s National Provider Identifier (NPI) is 1992239966, issued on Apr 17, 2017. An NPI identifies a provider in billing; it is not a license.
Where is James Aaron Marin, M.D. located?
The NPPES record lists a practice address at 4502 Medical Dr, San Antonio, TX, 78229. Phone: (210) 358-4000. Providers update this record themselves, so call before visiting.
How can I verify James Aaron Marin, M.D.'s license?
NPPES lists Texas license number S3708, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does James Aaron Marin, M.D. prescribe under Medicare Part D?
In 2024, James Aaron Marin, M.D. had 159 Medicare Part D claims for 101 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.