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Edit this profileAt a glance
- 11212 Highway 151 Ste 100, San Antonio, TX 78251
About Marcus Ayala
Listed in the NPI registry as a physician assistant, Marcus R. Ayala, PA-C practices in San Antonio, TX. Medicare claims data shows Marcus provided 370 services to 313 patients. The services billed most often include visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient', established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. NPI 1134875669 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (210) 450-9900
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
11212 HIGHWAY 151 STE 100
San Antonio, TX 78251
Procedures Most Often Billed to Medicare
370 services · 313 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
136 | More often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
111 | More often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
74 | As often as other peers in Physician Assistant |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
22 | Less often than most peers in Physician Assistant |
| Hemoglobin a1c level | Lab test | 83036 |
15 | Less often than most peers in Physician Assistant |
| Automated urinalysis test | Lab test | 81003 |
12 | Less often than most peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other physician assistants in San Antonio 8
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2021 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Marcus R. Ayala?
Marcus R. Ayala is a physician assistant in San Antonio, TX. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Marcus R. Ayala's address?
Marcus R. Ayala is listed at 11212 Highway 151 Ste 100, San Antonio, TX 78251. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Marcus R. Ayala?
The number on file is (210) 450-9900. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Marcus R. Ayala?
Marcus R. Ayala's National Provider Identifier is 1134875669. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Marcus R. Ayala train?
Marcus R. Ayala attended Other, graduating in 2021. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Marcus R. Ayala have?
Marcus R. Ayala has 5 years experience. Calculated from a graduation year of 2021, reported in the CMS National Downloadable File.
CMS public data
What procedures does Marcus R. Ayala perform?
According to Medicare billing data, Marcus R. Ayala the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Marcus R. Ayala's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Marcus R. Ayala. If this is you, claiming it is free.
Guide.md
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