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MR. WILLIAM JAMES GIBSON DO
NPI 1649731472
Internal Medicine - Hematology & Oncology in St Petersburg, FL

Active since March 26, 2019PECOS EnrolledAccepts Medicare Assignment
620 10TH ST N STE 2E, ST PETERSBURG, FL 33705(727) 824-8206(727) 824-7110 Get Directions Write a Review

NPPES record last updated: February 26, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 12, 2025, Nov 7, 2025, May 28, 2025 (3 updates tracked since 2025).

About Mr. William James Gibson Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. WILLIAM JAMES GIBSON DO (NPI 1649731472) is an individual hematology & oncology provider in St Petersburg, Florida, licensed in Florida (OS22359) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, is affiliated with St Anthonys Hospital, and is a graduate of William Carey University College Of Osteopathic Medicine (2019).

NPPES Registry Identity

NPI1649731472
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameMR. WILLIAM JAMES GIBSONCredential: DO
Location Address620 10TH ST N STE 2ESt Petersburg, FL 33705-1407
Mailing Address2995 Drew St Fl 2Clearwater, FL 33759-3012 · (727) 532-0002
Phone(727) 824-8206
Fax(727) 824-7110
Sole ProprietorNo
Medical School CMSWilliam Carey University College Of Osteopathic MedicineGraduated 2019
Enumeration DateMarch 26, 2019
Last NPPES UpdateFebruary 26, 20263 updates tracked since enumeration
NPPES CertifiedFebruary 26, 2026
✔ NPI 1649731472 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in FL · OS22359
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
620 10TH ST N STE 2E, St Petersburg, FL 33705
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter of Alabama, AvMed and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mr. William James Gibson Do 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.

PECOS PAC ID4981930138
PECOS Enrollment IDI20251013002828
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show William Gibson reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Baycare Medical Group, Inc.
14 mi
General Practice
2995 DREW ST FL 2
Clearwater, FL 33759
  • Reassigned Medicare billing, Florida enrollment
  • 2,009 clinicians in this Medicare group
NPI 1043269871 (727) 281-9065
Baptist Health Medical Group Inc
738 mi
Urgent Care
1901 CAMPUS PL
Louisville, KY 40299
  • Reassigned Medicare billing, Indiana enrollment
  • 532 clinicians in this Medicare group
NPI 1508269200 (502) 253-4911

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

St Anthonys Hospital

Acute Care Hospitals · Saint Petersburg, FL
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number100067
Location1200 Seventh Ave NSaint Petersburg, FL 33705 · Pinellas County
Emergency services

St Josephs Hospital

Acute Care Hospitals · Tampa, FL
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number100075
Location3001 W Martin Luther King Jr BlvdTampa, FL 33677 · Hillsborough County
Emergency services Birthing friendly

Morton Plant Hospital

Acute Care Hospitals · Clearwater, FL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100127
Location300 Pinellas StClearwater, FL 33756 · Pinellas County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 33705 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$171.84 typical visit price
range $56.00 – $171.84
Typical copayment $42.96 (range $14.00 – $42.96)
Most-billed visit code 99205
Established Patient
$99.16 typical visit price
range $17.57 – $139.16
Typical copayment $24.79 (range $4.39 – $34.79)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JESSICA RYMSZA
Nurse Practitioner
620 10TH ST N STE 2E
ST PETERSBURG, FL 33705
Pinellas County (727) 824-8206
BAYCARE MEDICAL GROUP INC
Internal Medicine (Rheumatology)
620 10TH ST N STE 2E
ST PETERSBURG, FL 33705
Pinellas County (727) 824-8325
MADISON ALEXANDRA GRAY PA-C
Physician Assistant (Medical)
620 10TH ST N STE 2E
ST PETERSBURG, FL 33705
Pinellas County (727) 824-8206
BAYCARE MEDICAL GROUP INC
Internal Medicine (Hematology & Oncology)
620 10TH ST N STE 2E
ST PETERSBURG, FL 33705
Pinellas County (727) 824-8206

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 Gibson's NPI number?

The NPI number for William Gibson is 1649731472. It was assigned to this individual provider in the NPPES registry on March 26, 2019.

Where is William Gibson located?

William Gibson practices at 620 10th St N Ste 2E, St Petersburg, FL 33705. The listed phone number is (727) 824-8206.

What is William Gibson's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is William Gibson enrolled in Medicare?

Yes. William Gibson 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.

Which organizations bill Medicare for William Gibson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Gibson reassigns Medicare benefits to 2 organizations: Baycare Medical Group, Inc. (Clearwater, FL) and Baptist Health Medical Group Inc (Louisville, KY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for William Gibson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Gibson accept?

Health plans from Ambetter Health, Ambetter of Alabama, AvMed, CareSource and Florida Blue (BlueCross BlueShield FL) and 1 other insurer list William Gibson 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 Gibson affiliated with any hospitals?

According to CMS data, William Gibson is affiliated with St Anthonys Hospital, St Josephs Hospital and Morton Plant Hospital.

When was this NPI record last updated?

The NPPES record for William Gibson was last updated on February 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.