Alexis Williams, MSPA-C
NPI 1285906388 · Physician Assistant · Sterling, VA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alexis Williams, MSPA-C is a Physician Assistant provider in Sterling, VA (NPI 1285906388).
Provider details
- NPI number
- 1285906388
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MSPA-C
- Sex
- Female
- Sole proprietor
- No
- License
- 0110003784 (VA)
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
14 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
- 2012-02-03
- Last updated
- 2012-02-03
Frequently asked questions
- What is Alexis Williams's NPI number?
- Alexis Williams's National Provider Identifier (NPI) is 1285906388, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexis Williams's specialty?
- Alexis Williams is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Alexis Williams located?
- Alexis Williams's practice location on file with NPPES is 21475 Ridgetop Cir, Sterling, VA 20166-6580.
- What is Alexis Williams's phone number?
- The practice phone number listed in the NPPES registry for Alexis Williams is (703) 444-5000.
- Does Alexis Williams accept Medicare?
- Alexis Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alexis Williams's NPI active?
- Yes — Alexis Williams's NPI (1285906388) is active in the NPPES registry as of the last update on 2012-02-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.