NPPES file of Aug 9, 2026

Hassan Hussein Ammar, DO

Internal Medicine Physician · San Antonio, TX

Hassan Hussein Ammar, DO is an internal medicine physician with a practice address in San Antonio, Texas, and NPI 1154071884, issued on Mar 25, 2022. Check the license (Texas V6855, as entered in NPPES) on the Texas Medical Board; 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
1154071884
Name
Hassan Hussein Ammar
Credential
DO
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
V6855 TX
Self-reported in NPPES; status is on the state search
Practice location
7700 Floyd Curl Dr, San Antonio, TX 78229
Phone
(210) 575-4000
Enumerated
Mar 25, 2022
Record last updated
Jul 31, 2026
Medicare enrollment
Enrolled (PECOS I20250828005235); accepts Medicare assignment
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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Also registered at 7700 Floyd Curl Dr

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

  1. Christina Aladro, PHARM.D.Pharmacist1730379868
  2. Tahnia Alauddin, PHARMDPharmacist1053899401
  3. Karen Albright, AGACNP-BCAcute Care Nurse Practitioner1245601467
  4. Rukhsar Ali, DNP, APRN, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1942077367
  5. David Altman, M.D.Neurology Physician1972608099
  6. Amanda Anderson, CCPPerfusionist1194439422

Verify Hassan Hussein Ammar in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license V6855
    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 Texas license search

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92% fewer Medicare Part D claims than the average internal medicine physician in 2024

244 Medicare Part D claims for 105 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Hassan Ammar244
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium17 claims
  2. Amlodipine Besylate16 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. Apotheosis Medical Group, PLLCSan Antonio, TX

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

Hassan Hussein Ammar among 9,175 internal medicine physician records in Texas

Hassan Hussein Ammar, DO is one of 9,175 internal medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 91% of them.

  • NPI issued2022 · 91% of these records are older, 5% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2022 · median 2004 among the 6,088 with a school on file
  • Record last updated2026 · 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 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

657 internal medicine physician records list a practice address in San Antonio

They are 657 of the 37,749 NPPES records with a practice address in San Antonio, and 9,175 internal medicine physician records in Texas.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Jeremias Abueme, M.D.San Antonio, TX 782291891790960
  2. Richard Clemons, MDSan Antonio, TX 782291740282664
  3. Serina Flores, M.D.San Antonio, TX 782291528058203
  4. John Galan, MDSan Antonio, TX 782291528069440
  5. Juan Gonzalez, MDSan Antonio, TX 782291659370963
  6. Bradley Kayser, MDSan Antonio, TX 782291285635110
  7. Michelle Medellin, M.D.San Antonio, TX 782291770571614
  8. Thomas Mieras, MDSan Antonio, TX 782291578564787

Common questions

What is Hassan Hussein Ammar, DO's NPI number?

Hassan Hussein Ammar, DO's National Provider Identifier (NPI) is 1154071884, issued on Mar 25, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Hassan Hussein Ammar, DO located?

The NPPES record lists a practice address at 7700 Floyd Curl Dr, San Antonio, TX, 78229. Phone: (210) 575-4000. Providers update this record themselves, so call before visiting.

How can I verify Hassan Hussein Ammar, DO's license?

NPPES lists Texas license number V6855, 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 Hassan Hussein Ammar, DO prescribe under Medicare Part D?

In 2024, Hassan Hussein Ammar, DO had 244 Medicare Part D claims for 105 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.