William Fox, MD
NPI 1508802794 · Neonatal-Perinatal Medicine Physician · Philadelphia, PA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Fox, MD is a Neonatal-Perinatal Medicine Physician provider in Philadelphia, PA (NPI 1508802794).
Provider details
- NPI number
- 1508802794
- Entity type
- Individual
- Primary specialty
- Neonatal-Perinatal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD014112E (PA)
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
20 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
- 2006-06-22
- Last updated
- 2013-04-17
Frequently asked questions
- What is William Fox's NPI number?
- William Fox's National Provider Identifier (NPI) is 1508802794, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Fox's specialty?
- William Fox is listed in the NPPES registry with a primary specialty of Neonatal-Perinatal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Fox located?
- William Fox's practice location on file with NPPES is 3401 Civic Center Blvd, Philadelphia, PA 19104-4319.
- What is William Fox's phone number?
- The practice phone number listed in the NPPES registry for William Fox is (215) 590-1944.
- Does William Fox accept Medicare?
- William Fox is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Fox's NPI active?
- Yes — William Fox's NPI (1508802794) is active in the NPPES registry as of the last update on 2013-04-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.