William Nelson, MD
NPI 1851372536 · Pediatric Anesthesiology Physician · St Petersburg, FL
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Nelson, MD is a Pediatric Anesthesiology Physician provider in St Petersburg, FL (NPI 1851372536).
Provider details
- NPI number
- 1851372536
- Entity type
- Individual
- Primary specialty
- Pediatric Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- ME96917 (FL)
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
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
- 2005-11-09
- Last updated
- 2026-03-05
- Certified
- 2026-03-05
Frequently asked questions
- What is William Nelson's NPI number?
- William Nelson's National Provider Identifier (NPI) is 1851372536, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Nelson's specialty?
- William Nelson is listed in the NPPES registry with a primary specialty of Pediatric Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is William Nelson located?
- William Nelson's practice location on file with NPPES is 501 6th Ave S, St Petersburg, FL 33701-4634.
- What is William Nelson's phone number?
- The practice phone number listed in the NPPES registry for William Nelson is (727) 767-8480.
- Does William Nelson accept Medicare?
- William Nelson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Nelson's NPI active?
- Yes — William Nelson's NPI (1851372536) is active in the NPPES registry as of the last update on 2026-03-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.