Melissa Villanueva
NPI 1538534425 · Family Nurse Practitioner · San Antonio, TX
Enrolled with Medicare as Order and Referring Only - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Melissa Villanueva is a Family Nurse Practitioner provider in San Antonio, TX (NPI 1538534425).
Provider details
- NPI number
- 1538534425
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- AP129740 (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
10 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
Registry dates
- Enumerated
- 2015-12-03
- Last updated
- 2016-02-12
Frequently asked questions
- What is Melissa Villanueva's NPI number?
- Melissa Villanueva's National Provider Identifier (NPI) is 1538534425, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Melissa Villanueva's specialty?
- Melissa Villanueva is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Melissa Villanueva located?
- Melissa Villanueva's practice location on file with NPPES is 4502 Medical Dr, San Antonio, TX 78229-4402.
- What is Melissa Villanueva's phone number?
- The practice phone number listed in the NPPES registry for Melissa Villanueva is (210) 358-4000.
- Does Melissa Villanueva accept Medicare?
- Melissa Villanueva is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Melissa Villanueva's NPI active?
- Yes — Melissa Villanueva's NPI (1538534425) is active in the NPPES registry as of the last update on 2016-02-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.