William Soulsby, MD
NPI 1396108718 · Pediatric Rheumatology Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Soulsby, MD is a Pediatric Rheumatology Physician provider in San Francisco, CA (NPI 1396108718).
Provider details
- NPI number
- 1396108718
- Entity type
- Individual
- Primary specialty
- Pediatric Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A155082 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 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
- 2016-04-02
- Last updated
- 2022-08-05
- Certified
- 2022-08-05
Frequently asked questions
- What is William Soulsby's NPI number?
- William Soulsby's National Provider Identifier (NPI) is 1396108718, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Soulsby's specialty?
- William Soulsby is listed in the NPPES registry with a primary specialty of Pediatric Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is William Soulsby located?
- William Soulsby's practice location on file with NPPES is 550 16th St Fl 4, San Francisco, CA 94158-2545.
- What is William Soulsby's phone number?
- The practice phone number listed in the NPPES registry for William Soulsby is (415) 476-5001.
- Does William Soulsby accept Medicare?
- William Soulsby is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Soulsby's NPI active?
- Yes — William Soulsby's NPI (1396108718) is active in the NPPES registry as of the last update on 2022-08-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.