DR. WILLIAM WINSTON NELSON (MD) – Pediatric Anesthesiology Physician, NPI 1851372536

DR. WILLIAM WINSTON NELSON (MD) is a healthcare provider. based in St petersburg, Florida. specializing in ANESTHESIOLOGY. They hold the professional credentials MD. They hold a License No. ME96917 (FL). The NPI Number for DR. WILLIAM WINSTON NELSON (MD) is 1851372536

Main info

Male
40 Years Of Experience
Accepts Medicare Assignment
Name
DR. WILLIAM WINSTON NELSON (MD)
NPI
1851372536
Phone
(727) 767-8480
Address
501 6TH AVE S
Enumeration Date
9 November 2005
Last Update Date
5 March 2026

Doctor Profile

Medical School Name
OTHER
Secondary Phone
7207335260
Graduation Year
1986 (40 years ago)
PAC ID
8628044195
Group Practice PAC ID
9638208549
Professional Enrollment ID
I20230328000234
Address ID
CO801047419CA4404XLNXX302
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience64
Completeness85
Years active:20State licenses:1Digital endpointsOther names

3,340 ANESTHESIOLOGY in FL

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Provider Addresses for DR. WILLIAM WINSTON NELSON (MD)

  • Johns Hopkins All Children's Hospital, 501, 6th Avenue South, Roser Park, Saint Petersburg, Pinellas County, Florida, 33701, United States

    DEPT #6580070407

    ST PETERSBURG, FL 337014634

    Phone: (727) 767-8480

    Fax: (727) 767-8420

    Type: Location

  • 501 6TH AVE S DEPT

    ST PETERSBURG, FL 337014634

    Phone: (727) 767-8480

    Fax: (727) 767-8420

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2023-03-28

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking 2 Medicare enrollment records; no due dates published yet.

Enrollment records

2

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20070802000507IAnesthesiologyFLTBD
I20230328000234IAnesthesiologyCOTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 33701)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 9638208549View full group profile

Reviews

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Frequently asked questions

How is DR. WILLIAM WINSTON NELSON (MD) identified in CMS data?
CMS-hosted NPPES data lists DR. WILLIAM WINSTON NELSON (MD) with NPI 1851372536.
Can I rely on DR. WILLIAM WINSTON NELSON (MD) being an active provider?
As of the registry snapshot, DR. WILLIAM WINSTON NELSON (MD) is marked active.
What taxonomy line describes DR. WILLIAM WINSTON NELSON (MD)?
For research purposes, treat DR. WILLIAM WINSTON NELSON (MD) as Pediatric Anesthesiology Physician in this dataset. Clinical services aligned with this taxonomy classification.
What area does DR. WILLIAM WINSTON NELSON (MD) serve?
DR. WILLIAM WINSTON NELSON (MD)'s listing highlights St Petersburg, Florida; more addresses can appear in NPPES.
Why does DR. WILLIAM WINSTON NELSON (MD) have multiple addresses?
3 practice locations appear in the available data. Multiple addresses are common for hospital privileges, telehealth, or multi-site groups.

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