DR. WILLIAM WINSTON NELSON MD
NPI 1851372536
Anesthesiology - Pediatric Anesthesiology in St Petersburg, FL
About Dr. William Winston Nelson Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WILLIAM WINSTON NELSON MD (NPI 1851372536) is an individual pediatric anesthesiology provider in St Petersburg, Florida, licensed in Florida (ME96917) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, is affiliated with St Josephs Hospital, and is a graduate of Other (1986).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. William Winston Nelson Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Josephs Hospital
Acute Care Hospitals · Tampa, FLPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 33701 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAINT PETERSBURG, FL 33701
ST PETERSBURG, FL 33701
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is William Nelson's NPI number?
The NPI number for William Nelson is 1851372536. It was assigned to this individual provider in the NPPES registry on November 9, 2005.
Where is William Nelson located?
William Nelson practices at 501 6th Ave S Dept #6580070407, St Petersburg, FL 33701. The listed phone number is (727) 767-8480.
What is William Nelson's specialty?
The primary specialty registered for this NPI is Anesthesiology, specializing in Pediatric Anesthesiology, with taxonomy code 207LP3000X.
Is William Nelson enrolled in Medicare?
Yes. William Nelson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
What insurance does William Nelson accept?
Health plans from Oscar Health Maintenance Organization of Florida and Oscar Insurance Company list William Nelson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is William Nelson affiliated with any hospitals?
According to CMS data, William Nelson is affiliated with St Josephs Hospital.
When was this NPI record last updated?
The NPPES record for William Nelson was last updated on March 5, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.