Ammar Mahmood, MD
Hospitalist Physician · San Antonio, TX
Ammar Mahmood, MD is a hospitalist physician with a practice address in San Antonio, Texas, and NPI 1134708365, issued on Apr 5, 2021. Check the license (Texas V7569, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ammar Mahmood
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- V7569 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 5, 2021
- Record last updated
- Apr 2, 2026
- Medicare enrollment
- Enrolled (PECOS I20260414001243); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 1,587 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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Verify Ammar Mahmood in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license V7569Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average hospitalist physician in 2024
82 Medicare Part D claims for 34 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% 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.
Ammar Mahmood among 1,587 hospitalist physician records in Texas
Ammar Mahmood, MD is one of 1,587 hospitalist physician records with a practice address in Texas. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 86% of them.
- NPI issued2021 · 86% of these records are older, 8% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Graduated2021 · median 2013 among the 1,298 with a school on file
- Record last updated2026 · 25% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in Texas
There are 1,587 hospitalist physician records in Texas.
All 1,587 in Texas → Every provider in San Antonio → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Christine Andre, MDSan Antonio, TX 782291013928530
- Theodore Arevalo, MDSan Antonio, TX 782291922019447
- Gregory Bowling, MDSan Antonio, TX 782291275640245
- Andrea Darilek, MDSan Antonio, TX 782291053334904
- Sean Garcia, MDSan Antonio, TX 782291861509861
- Gustavo Medellin, MDSan Antonio, TX 782291871571968
- Jane O'Rorke, M.D.San Antonio, TX 782291669483541
- Raja Pathapati, M.D.San Antonio, TX 782291083669501
Common questions
What is Ammar Mahmood, MD's NPI number?
Ammar Mahmood, MD's National Provider Identifier (NPI) is 1134708365, issued on Apr 5, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Ammar Mahmood, MD 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 Ammar Mahmood, MD's license?
NPPES lists Texas license number V7569, 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 Ammar Mahmood, MD prescribe under Medicare Part D?
In 2024, Ammar Mahmood, MD had 82 Medicare Part D claims for 34 beneficiaries; the average among hospitalist physician prescribers was 521. 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.