Provider Profile
Martin Castillo, PA-C
Unclaimed ProfileAbout Martin Castillo
Martin Castillo, PA-C is a physician assistant based in Austin, TX. Medicare claims data shows Martin provided 311 services to 210 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, 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', and drug test(s), definitive, utilizing (1) drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/m.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (512) 846-7110
- Email not available
Practice Locations
13617 CALDWELL DR STE 100
Austin, TX 78750
306 W 4th St
Georgetown, TX 78626
Procedures Most Often Billed to Medicare
311 services · 210 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
182 | More often than most peers in Physician Assistant |
| 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 |
85 | As often as other peers in Physician Assistant |
| Drug test(s), definitive, utilizing (1) drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/m | Billing code | G0481 |
33 | |
| Testing for presence of drug, read by direct observation | Lab test | 80305 |
11 |
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 1
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 Austin 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 2022 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Martin Castillo?
Martin Castillo is a physician assistant in Austin, TX. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Martin Castillo's address?
Martin Castillo is listed at 13617 Caldwell Dr Ste 100, Austin, TX 78750. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Martin Castillo?
The number on file is (512) 846-7110. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Martin Castillo?
Martin Castillo's National Provider Identifier is 1720729403. 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 Martin Castillo train?
Martin Castillo attended Other, graduating in 2022. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Martin Castillo have?
Martin Castillo has 4 years experience. Calculated from a graduation year of 2022, reported in the CMS National Downloadable File.
CMS public data
What procedures does Martin Castillo perform?
According to Medicare billing data, Martin Castillo 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 Martin Castillo's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Martin Castillo. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.