Marcus Rene Ayala, PA-C
Physician Assistant · San Antonio, TX
Marcus Rene Ayala, PA-C is a physician assistant with a practice address in San Antonio, Texas, and NPI 1134875669, issued on Feb 23, 2022. Check the license (Texas PA15396, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marcus Rene Ayala
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- PA15396 TX
PA8639 MA
Self-reported in NPPES; status is on the state search - Practice location
- 11212 Highway 151 Ste 100, San Antonio, TX 78251
- Phone
- (210) 450-9900
- Enumerated
- Feb 23, 2022
- Record last updated
- Aug 3, 2023
- Fax
- (210) 450-9901
- Medicare enrollment
- Enrolled (PECOS I20230621003607); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 10,999 in Texas → Look up another NPI →
Also registered at 11212 Highway 151 Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Duane Brieger, M.D.Family Medicine Physician1205896230
- Ryan Munns, DOFamily Medicine Physician1801385851
Verify Marcus Rene Ayala in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license PA15396Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
23% more Medicare Part D claims than the average physician assistant in 2024
1,018 Medicare Part D claims for 229 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Gabapentin46 claims
- Atorvastatin Calcium35 claims
- Albuterol Sulfate Hfa33 claims
- Methylprednisolone32 claims
- Cyclobenzaprine Hcl31 claims
- Fluticasone Propionate30 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
- University OF Texas Health Science Center AT San AntonioSan Antonio, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marcus Rene Ayala among 10,999 physician assistant records in Texas
Marcus Rene Ayala, PA-C is one of 10,999 physician assistant records with a practice address in Texas. 74% 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 74% of them.
- NPI issued2022 · 74% of these records are older, 18% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2021 · median 2017 among the 6,096 with a school on file
- Record last updated2023 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
873 physician assistant records list a practice address in San Antonio
They are 873 of the 37,749 NPPES records with a practice address in San Antonio, and 10,999 physician assistant records in Texas.
All 10,999 in Texas → Every provider in San Antonio → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Krystal Allbritton, PASan Antonio, TX 782511245425305
- Vicki Bateman, PA-CSan Antonio, TX 782511437256237
- Celeste Broerman, PA-CSan Antonio, TX 782511932127388
- Linda Goodman, PA-C, MPAJ.San Antonio, TX 782511447239447
- Freddie Hobson, PA-CSan Antonio, TX 782511851442644
- Aaron IshiiSan Antonio, TX 782511295039535
- Ann Johnson, PA-CSan Antonio, TX 782511669611224
- Gregory McCrum, PA-CSan Antonio, TX 782511528047644
Common questions
What is Marcus Rene Ayala, PA-C's NPI number?
Marcus Rene Ayala, PA-C's National Provider Identifier (NPI) is 1134875669, issued on Feb 23, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Marcus Rene Ayala, PA-C located?
The NPPES record lists a practice address at 11212 Highway 151 Ste 100, San Antonio, TX, 78251. Phone: (210) 450-9900. Providers update this record themselves, so call before visiting.
How can I verify Marcus Rene Ayala, PA-C's license?
NPPES lists Texas license number PA15396, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Marcus Rene Ayala, PA-C prescribe under Medicare Part D?
In 2024, Marcus Rene Ayala, PA-C had 1,018 Medicare Part D claims for 229 beneficiaries; the average among physician assistant prescribers was 830. 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.