Mohamad-Ammar F. Ayass, M.D.
Pulmonary Disease Physician · San Angelo, TX
Mohamad-Ammar F. Ayass, M.D. is a pulmonary disease physician with a practice address in San Angelo, Texas, and NPI 1821036559, issued on Jun 3, 2006. Check the license (Texas L2116, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mohamad-Ammar F. Ayass
- Credential
- M.D.
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- L2116 TX
Self-reported in NPPES; status is on the state search - Practice location
- 3021 Green Meadow Dr, San Angelo, TX 76904
- Phone
- (325) 223-1800
- Enumerated
- Jun 3, 2006
- Record last updated
- Nov 17, 2025
- Fax
- (325) 223-1810
- Medicaid IDs
- 145403503 TX
168067001 TX - Medicare enrollment
- Enrolled (PECOS I20040811000989); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 967 in Texas → Look up another NPI →
Verify Mohamad-Ammar F. Ayass in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license L2116Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
46% fewer Medicare Part D claims than the average pulmonary disease physician in 2024
774 Medicare Part D claims for 109 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D.
Most prescribed
- Hydroxychloroquine Sulfate151 claims
- Prednisone66 claims
- Trelegy Ellipta62 claims
- Eliquis40 claims
- Levothyroxine Sodium39 claims
- Montelukast Sodium37 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.
Industry payments in 2024: $63.26
4 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 8,806 providers of this specialty with any payment received $5,159.88 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Mohamad-Ammar F. Ayass among 967 pulmonary disease physician records in Texas
Mohamad-Ammar F. Ayass, M.D. is one of 967 pulmonary disease physician records with a practice address in Texas. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 16% of them.
- NPI issued2006 · 16% of these records are older, 52% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 80% of these records are
- Graduated1988 · median 2001 among the 773 with a school on file
- Record last updated2025 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pulmonary Disease Physician providers in Texas
There are 967 pulmonary disease physician records in Texas.
All 967 in Texas → Every provider in San Angelo → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Kenneth Perret, M.D.San Angelo, TX 769031790701894
- Hannah ShineSan Angelo, TX 769031871156059
- Hernan Zarate, MDSan Angelo, TX 769031528275518
- Louis Roddy, MDHouston, TX 770021457415218
- Nelda Wray, MDHouston, TX 770021447507538
- Juan Botto, M.D.Houston, TX 770041457333775
- Martin Kaplan, M.D.Houston, TX 770041588640171
- Amelia Ng, MDHouston, TX 770041982717526
Common questions
What is Mohamad-Ammar F. Ayass, M.D.'s NPI number?
Mohamad-Ammar F. Ayass, M.D.'s National Provider Identifier (NPI) is 1821036559, issued on Jun 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mohamad-Ammar F. Ayass, M.D. located?
The NPPES record lists a practice address at 3021 Green Meadow Dr, San Angelo, TX, 76904. Phone: (325) 223-1800. Providers update this record themselves, so call before visiting.
How can I verify Mohamad-Ammar F. Ayass, M.D.'s license?
NPPES lists Texas license number L2116, 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 Mohamad-Ammar F. Ayass, M.D. prescribe under Medicare Part D?
In 2024, Mohamad-Ammar F. Ayass, M.D. had 774 Medicare Part D claims for 109 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. 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.