William Carpenter, FNP-C
NPI 1003633454 · Family Nurse Practitioner · San Francisco, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Carpenter, FNP-C is a Family Nurse Practitioner provider in San Francisco, CA (NPI 1003633454).
Provider details
- NPI number
- 1003633454
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Male
- Sole proprietor
- No
- License
- 95022651 (CA)
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
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
- 2024-09-25
- Last updated
- 2024-09-25
- Certified
- 2024-09-25
Frequently asked questions
- What is William Carpenter's NPI number?
- William Carpenter's National Provider Identifier (NPI) is 1003633454, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Carpenter's specialty?
- William Carpenter is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is William Carpenter located?
- William Carpenter's practice location on file with NPPES is 1001 Potrero Ave, San Francisco, CA 94110-3594.
- What is William Carpenter's phone number?
- The practice phone number listed in the NPPES registry for William Carpenter is (628) 206-8000.
- Does William Carpenter accept Medicare?
- William Carpenter is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Carpenter's NPI active?
- Yes — William Carpenter's NPI (1003633454) is active in the NPPES registry as of the last update on 2024-09-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.