Doctor profile · Federal record

Dr. John Williams, DO

Cytopathology Physician (CMS: Pathology) · Anatomic Pathology & Clinical Pathology Physician · Gulfport, FL

  • NPI 1598744393
  • Accepts Medicare
  • 43 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2821 Seabreeze Dr S
Gulfport, FL 337073931
(727) 667-2074
fax (727) 343-4716
Additional location
1046 Cypress Village Blvd
Sun City Center, FL 335736845
(813) 633-0081
fax (813) 633-0082

Credentials & registration

NPPES · NUCC
NPI registered
January 2006 — 20 yrs on file
Profile last updated
February 20, 2020
Year of graduation
1983 — 43 yrs since
Specialty taxonomy
207ZC0500X — NUCC code
State license (1)
Florida #OS4755
Medicaid
FL #274114800

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598744393. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
21,101
Distinct HCPCS
8
Medicare allowed
$1,476,250
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 11,957 4,857 $68
88332 Pathology examination of specimen during surgery, each additional tissue block 4,682 429 $53
88342 Special stained specimen slides to examine tissue, initial procedure 2,372 1,902 $94
88313 Special stained specimen slides to examine tissue including interpretation and report 1,139 954 $77
88331 Pathology examination of specimen during surgery, first tissue block 667 429 $98
88312 Special stained specimen slides to identify organisms including interpretation and report 106 72 $97
88341 Special stained specimen slides to examine tissue, each additional procedure 91 30 $58
87506 Detection test by nucleic acid for digestive tract pathogen, multiple types or subtypes, 6-11 targets 87 86 $258

In context: peer comparison

Among 1 peers in Gulfport Cytopathology Physician, average services per provider: 2,637. This provider delivers 8.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. John Williams's medical specialty?
Dr. John Williams practices Cytopathology Physician in Gulfport, FL.
Where does Dr. John Williams practice?
Dr. John Williams practices at 2821 Seabreeze Dr S, Gulfport, FL 337073931. Office phone: 7276672074.
What is Dr. John Williams's NPI?
Dr. John Williams's National Provider Identifier (NPI) is 1598744393, issued by NPPES.
Does Dr. John Williams accept Medicare assignment?
Yes. Dr. John Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Williams commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Pathology examination of specimen during surgery, each additional tissue block (HCPCS 88332); Special stained specimen slides to examine tissue, initial procedure (HCPCS 88342). Source: CMS Medicare Physician & Other Practitioners file.