Mark Castillo
NPI 1760368435 · Gerontology Nurse Practitioner · San Antonio, TX
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Castillo is a Gerontology Nurse Practitioner provider in San Antonio, TX (NPI 1760368435).
Provider details
- NPI number
- 1760368435
- Entity type
- Individual
- Primary specialty
- Gerontology Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 1209358 (TX)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 4502 Medical DrSan Antonio, TX 78229-4492Phone: (210) 358-4000
Registry dates
- Enumerated
- 2025-08-15
- Last updated
- 2025-09-15
- Certified
- 2025-09-15
Frequently asked questions
- What is Mark Castillo's NPI number?
- Mark Castillo's National Provider Identifier (NPI) is 1760368435, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Castillo's specialty?
- Mark Castillo is listed in the NPPES registry with a primary specialty of Gerontology Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mark Castillo located?
- Mark Castillo's practice location on file with NPPES is 3422 Maguey Trl, San Antonio, TX 78245-2437.
- What is Mark Castillo's phone number?
- The practice phone number listed in the NPPES registry for Mark Castillo is (210) 885-2985.
- Does Mark Castillo accept Medicare?
- Mark Castillo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Castillo's NPI active?
- Yes — Mark Castillo's NPI (1760368435) is active in the NPPES registry as of the last update on 2025-09-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.