Gillian Villasana
NPI 1609570621 · Emergency Medicine Physician · Houston, TX
Gillian Villasana is a Emergency Medicine Physician provider in Houston, TX (NPI 1609570621).
Provider details
- NPI number
- 1609570621
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2023-03-27
- Last updated
- 2026-04-24
- Certified
- 2026-04-24
Frequently asked questions
- What is Gillian Villasana's NPI number?
- Gillian Villasana's National Provider Identifier (NPI) is 1609570621, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gillian Villasana's specialty?
- Gillian Villasana is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gillian Villasana located?
- Gillian Villasana's practice location on file with NPPES is 6431 Fannin St Ste Jjl 2706, Houston, TX 77030-1501.
- What is Gillian Villasana's phone number?
- The practice phone number listed in the NPPES registry for Gillian Villasana is (713) 500-7882.
- Is Gillian Villasana's NPI active?
- Yes — Gillian Villasana's NPI (1609570621) is active in the NPPES registry as of the last update on 2026-04-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.