Erica Williams
NPI 1275353310 · Certified Registered Nurse Anesthetist · San Antonio, TX
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Erica Williams is a Certified Registered Nurse Anesthetist provider in San Antonio, TX (NPI 1275353310).
Provider details
- NPI number
- 1275353310
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 1177725 (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
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 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 (2)
- 903 W Martin St # Ms 49-2San Antonio, TX 78207-0903Phone: (210) 358-3400
- 8300 Floyd Curl DrSan Antonio, TX 78229-3931Phone: (210) 644-9300
Registry dates
- Enumerated
- 2024-10-14
- Last updated
- 2026-05-20
- Certified
- 2026-05-20
Frequently asked questions
- What is Erica Williams's NPI number?
- Erica Williams's National Provider Identifier (NPI) is 1275353310, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Erica Williams's specialty?
- Erica Williams is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Erica Williams located?
- Erica Williams's practice location on file with NPPES is 4502 Medical Dr, San Antonio, TX 78229-4402.
- What is Erica Williams's phone number?
- The practice phone number listed in the NPPES registry for Erica Williams is (210) 358-4000.
- Does Erica Williams accept Medicare?
- Erica Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Erica Williams's NPI active?
- Yes — Erica Williams's NPI (1275353310) is active in the NPPES registry as of the last update on 2026-05-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.