Quick answers
- Where does Cathy A. Castillo see patients?
- Medicare's clinician data lists 7 practice locations, including Hutto, TX, Pflugerville, TX and Austin, TX. Call before your visit to confirm the address.
- What is Cathy A. Castillo's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Cathy A. Castillo accept Medicare assignment?
- Yes. Medicare's clinician data says Cathy A. Castillo accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Cathy A. Castillo offer telehealth?
- Medicare's clinician data says Cathy A. Castillo offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Cathy A. Castillo?
- (512) 846-1244, as listed in official Medicare / NPI Registry data.
- What is Cathy A. Castillo's NPI number?
- 1295787778. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Cathy A. Castillo is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 151 Exchange Blvd, 500 Arc HuttoHutto, TX 78634 (512) 846‑1244
- 15803 Windermere DrPflugerville, TX 78660
- 2100 Autumn Slate Dr, Suite 150Pflugerville, TX 78660 (737) 220‑7200
- 4515 Seton Ctr Pkwy, 220 Arc Quarry LakeAustin, TX 78759 (512) 338‑8388
- 6835 Austin Ctr BlvdAustin, TX 78731 (512) 346‑6611
Group practices
Medicare enrollment lists Cathy A. Castillo as a member of this group (CMS data updated 2026-10-02).
- Austin Regional Clinic PA397 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Hutto
Clinicians with the same Medicare primary specialty in Hutto, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Medical School At Houston |
| Graduation year | 2000 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1295787778 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians