Catherine Williams, PA-C
NPI 1114281839 · Physician Assistant · New York, NY
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Catherine Williams, PA-C is a Physician Assistant provider in New York, NY (NPI 1114281839).
Provider details
- NPI number
- 1114281839
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- 0010-03612 (NC)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
13 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
- 2012-06-27
- Last updated
- 2023-10-02
- Certified
- 2023-10-02
Frequently asked questions
- What is Catherine Williams's NPI number?
- Catherine Williams's National Provider Identifier (NPI) is 1114281839, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Williams's specialty?
- Catherine Williams is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Catherine Williams located?
- Catherine Williams's practice location on file with NPPES is 535 E 70th St, New York, NY 10021-4823.
- What is Catherine Williams's phone number?
- The practice phone number listed in the NPPES registry for Catherine Williams is (910) 990-6863.
- Does Catherine Williams accept Medicare?
- Catherine Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Catherine Williams's NPI active?
- Yes — Catherine Williams's NPI (1114281839) is active in the NPPES registry as of the last update on 2023-10-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.