Dr William E Kergosien, MD - Medicare Family Medicine in Bay St Louis, MS

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Dr William E Kergosien, MD is a medicare enrolled "Family Medicine" physician in Bay St Louis, Mississippi. His current practice location is 109 Carroll Ave, Bay St Louis, Mississippi. You can reach out to his office (for appointments etc.) via phone at (228) 467-6733.

Dr William E Kergosien is licensed to practice in Mississippi (license number 12138) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1730109018.

Contact Information

Dr William E Kergosien, MD
109 Carroll Ave,
Bay St Louis, MS 39520-4503
(228) 467-6733
Not Available

Map and Direction




Physician's Profile

Full NameDr William E Kergosien
GenderMale
SpecialityFamily Medicine
Location109 Carroll Ave, Bay St Louis, Mississippi
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1730109018
  • Provider Enumeration Date: 07/20/2006
  • Last Update Date: 01/07/2013
  Medicare PECOS Information:
  • PECOS PAC ID: 9436101003
  • Enrollment ID: I20050211000680

Medical Identifiers

Medical identifiers for Dr William E Kergosien such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1730109018NPI-NPPES
00019189MedicaidMS

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 12138 (Mississippi)Primary

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 William E Kergosien allows following entities to bill medicare on his behalf.
Entity NameForrest County General Hospital
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1295837631
PECOS PAC ID: 1052397767
Enrollment ID: O20040624001351
Entity NameKeystone Medical Services Of Ms Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1174691059
PECOS PAC ID: 7618075177
Enrollment ID: O20070606000447
Entity NameHancock Emergency Group Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1295142396
PECOS PAC ID: 8022237015
Enrollment ID: O20140924002285
Entity NameRh Emergency Medicine Of Marion General Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1841064110
PECOS PAC ID: 0648623744
Enrollment ID: O20240124004763
Entity NameRh Emergency Medicine Of Highland Community Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1033987946
PECOS PAC ID: 4587017918
Enrollment ID: O20240201000844
Entity NameRh Hospitalist Medicine Of Walthall General Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1053173237
PECOS PAC ID: 2365881091
Enrollment ID: O20240415002150
Entity NameRh Emergency Medicine Of Jefferson Davis Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1356103527
PECOS PAC ID: 4789023201
Enrollment ID: O20240417001265
Entity NameRh Emergency Medicine Of Walthall General Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1336901511
PECOS PAC ID: 7517306830
Enrollment ID: O20240419001361
Entity NameRh Hospitalist Medicine Of Jefferson Davis Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1174385355
PECOS PAC ID: 6103265145
Enrollment ID: O20240423003254

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 William E Kergosien 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 William E Kergosien, MD
109 Carroll Ave,
Bay St Louis, MS 39520-4503

Ph: (228) 467-6733		Dr William E Kergosien, MD
109 Carroll Ave,
Bay St Louis, MS 39520-4503

Ph: (228) 467-6733

Reviews and Comments


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Phone: 228-220-5200    

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).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.