Spencer Williams, PA-C
NPI 1952149858 · Physician Assistant · Denver, CO
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Spencer Williams, PA-C is a Physician Assistant provider in Denver, CO (NPI 1952149858).
Provider details
- NPI number
- 1952149858
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
- Physician Assistant363A00000X
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
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
- 2024-07-16
- Last updated
- 2025-04-21
- Certified
- 2025-04-21
Frequently asked questions
- What is Spencer Williams's NPI number?
- Spencer Williams's National Provider Identifier (NPI) is 1952149858, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Spencer Williams's specialty?
- Spencer Williams is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Spencer Williams located?
- Spencer Williams's practice location on file with NPPES is 777 Bannock St, Denver, CO 80204-4597.
- What is Spencer Williams's phone number?
- The practice phone number listed in the NPPES registry for Spencer Williams is (303) 436-4949.
- Does Spencer Williams accept Medicare?
- Spencer Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Spencer Williams's NPI active?
- Yes — Spencer Williams's NPI (1952149858) is active in the NPPES registry as of the last update on 2025-04-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.