Dr John P Williams, DO - Medicare Pathology in Gulfport, FL

Dr John P Williams, DO is a medicare enrolled "Pathology - Cytopathology" physician in Gulfport, Florida. He went to At Still University Of Health Sciences, College Of Osteo Med, Kirksville and graduated in 1983 and has 41 years of diverse experience with area of expertise as Pathology. He is a member of the group practice West Central Gastroenterology Llp, Surgical Pathology Laboratories Pa and his current practice location is 2821 Seabreeze Dr S, Gulfport, Florida. You can reach out to his office (for appointments etc.) via phone at (727) 667-2074.

Dr John P Williams is licensed to practice in Florida (license number OS4755) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1598744393.

Contact Information

Dr John P Williams, DO
2821 Seabreeze Dr S,
Gulfport, FL 33707-3931
(727) 667-2074
(727) 343-4716

Map and Direction




Physician's Profile

Full NameDr John P Williams
GenderMale
SpecialityPathology
Experience41 Years
Location2821 Seabreeze Dr S, Gulfport, Florida
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr John P Williams attended and graduated from At Still University Of Health Sciences, College Of Osteo Med, Kirksville in 1983
  NPI Data:
  • NPI Number: 1598744393
  • Provider Enumeration Date: 01/11/2006
  • Last Update Date: 02/20/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 8820056369
  • Enrollment ID: I20051003000524

Medical Identifiers

Medical identifiers for Dr John P Williams such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1598744393NPI-NPPES
274114800MedicaidFL

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207ZP0102XPathology - Anatomic Pathology & Clinical Pathology OS4755 (Florida)Secondary
207ZC0500XPathology - Cytopathology OS4755 (Florida)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
West Central Gastroenterology Llp064832236271
Surgical Pathology Laboratories Pa43857858807

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr John P Williams allows following entities to bill medicare on his behalf.
Entity NameMark A Nagrani Md Pa
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1326194713
PECOS PAC ID: 4284533290
Enrollment ID: O20040108000026
Entity NameAbsolute Surgical Specialists, Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1548305782
PECOS PAC ID: 0941233258
Enrollment ID: O20050916000584
Entity NameAmeripath Hospital Services-florida Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1124091509
PECOS PAC ID: 8022027572
Enrollment ID: O20060412000199
Entity NameWest Central Gastroenterology Llp
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1144454703
PECOS PAC ID: 0648322362
Enrollment ID: O20090710000085
Entity NameAdvanced Gastroenterology Associates Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1619200482
PECOS PAC ID: 6608917315
Enrollment ID: O20100104000163
Entity NameSurgical Pathology Laboratories Pa
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1184698086
PECOS PAC ID: 4385785880
Enrollment ID: O20100106000251

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr John P Williams is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr John P Williams, DO
2821 Seabreeze Dr S,
Gulfport, FL 33707-3931

Ph: (727) 667-2074
Dr John P Williams, DO
2821 Seabreeze Dr S,
Gulfport, FL 33707-3931

Ph: (727) 667-2074

Reviews and Comments


Pathology Doctors in Gulfport, FL


Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

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