William Paul, MD
NPI 1366538605 · Pediatrics Physician · San Diego, CA
Enrolled with Medicare as Order and Referring Only - General Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Paul, MD is a Pediatrics Physician provider in San Diego, CA (NPI 1366538605).
Provider details
- NPI number
- 1366538605
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G13594 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2006-10-05
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Paul's NPI number?
- William Paul's National Provider Identifier (NPI) is 1366538605, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Paul's specialty?
- William Paul is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is William Paul located?
- William Paul's practice location on file with NPPES is 3930 4th Ave, San Diego, CA 92103.
- What is William Paul's phone number?
- The practice phone number listed in the NPPES registry for William Paul is (619) 297-9610.
- Does William Paul accept Medicare?
- William Paul is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Paul's NPI active?
- Yes — William Paul's NPI (1366538605) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.