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

Dr William E Kergosien, MD is a medicare enrolled "Family Medicine" physician in Bay St Louis, Mississippi. He graduated from medical school in 1986 and has 38 years of diverse experience with area of expertise as Emergency Medicine. He is a member of the group practice St. Bernard Emergency Group, Llc and 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 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 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
SpecialityEmergency Medicine
Experience38 Years
Location109 Carroll Ave, Bay St Louis, Mississippi
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 William E Kergosien graduated from medical school in 1986
  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: I20081009000436

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

Medical Facilities Affiliation

Facility NameLocationFacility Type
Highland Community HospitalPicayune, MSHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
St. Bernard Emergency Group, Llc478996097221

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 NameSt. Bernard Emergency Group, Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1306386685
PECOS PAC ID: 4789960972
Enrollment ID: O20170425001231

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


Family Medicine Doctors in Bay St Louis, MS

Dr. Ayslin Marie Beckett, M.D.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 149 Drinkwater Rd, Bay St Louis, MS 39520
Phone: 228-220-5200    Fax: 228-395-1294
Jessica Lynn Douglas, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 149 Drinkwater Rd, Bay St Louis, MS 39520
Phone: 228-467-8600    Fax: 228-395-1225
Dr. Sidney Albert Chevis, MD
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 644 Dunbar Ave, Bay St Louis, MS 39520
Phone: 228-467-9238    Fax: 228-467-4685
Bertin C Chevis, M.D.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 149 Drinkwater Rd, Suite C, Bay St Louis, MS 39520
Phone: 228-467-8989    Fax: 228-467-3805
Sahiba Ahluwalia, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 149 Drinkwater Rd, Bay St Louis, MS 39520
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.