Alexandra Williams
NPI 1689263873 · Surgical Physician Assistant · New York, NY
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alexandra Williams is a Surgical Physician Assistant provider in New York, NY (NPI 1689263873).
Provider details
- NPI number
- 1689263873
- Entity type
- Individual
- Primary specialty
- Surgical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 026049 (NY)
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
5 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
- 2021-01-13
- Last updated
- 2026-04-29
- Certified
- 2026-04-29
Frequently asked questions
- What is Alexandra Williams's NPI number?
- Alexandra Williams's National Provider Identifier (NPI) is 1689263873, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexandra Williams's specialty?
- Alexandra Williams is listed in the NPPES registry with a primary specialty of Surgical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Alexandra Williams located?
- Alexandra Williams's practice location on file with NPPES is 1176 5th Ave, New York, NY 10029-6503.
- What is Alexandra Williams's phone number?
- The practice phone number listed in the NPPES registry for Alexandra Williams is (212) 241-3300.
- Does Alexandra Williams accept Medicare?
- Alexandra Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alexandra Williams's NPI active?
- Yes — Alexandra Williams's NPI (1689263873) is active in the NPPES registry as of the last update on 2026-04-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.