Dr Thomas St Clair Williams Sr, MD - Medicare Family Practice in Monroe, LA

Dr Thomas St Clair Williams Sr, MD is a medicare enrolled "Family Medicine" physician in Monroe, Louisiana. He graduated from medical school in 1995 and has 29 years of diverse experience with area of expertise as Family Practice. He is a member of the group practice West Carroll Health Systems, Llc and his current practice location is 516 Lincoln Rd, Monroe, Louisiana. You can reach out to his office (for appointments etc.) via phone at (318) 343-6487.

Dr Thomas St Clair Williams Sr is licensed to practice in Louisiana (license number 022964) 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 1467422048.

Contact Information

Dr Thomas St Clair Williams Sr, MD
516 Lincoln Rd,
Monroe, LA 71203-4252
(318) 343-6487
(318) 343-7884

Map and Direction




Physician's Profile

Full NameDr Thomas St Clair Williams Sr
GenderMale
SpecialityFamily Practice
Experience29 Years
Location516 Lincoln Rd, Monroe, Louisiana
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 Thomas St Clair Williams Sr graduated from medical school in 1995
  NPI Data:
  • NPI Number: 1467422048
  • Provider Enumeration Date: 01/25/2006
  • Last Update Date: 12/14/2009
  Medicare PECOS Information:
  • PECOS PAC ID: 8426104084
  • Enrollment ID: I20090923000281

Medical Identifiers

Medical identifiers for Dr Thomas St Clair Williams Sr such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1467422048NPI-NPPES
1685895MedicaidLA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 022964 (Louisiana)Primary
207P00000XEmergency Medicine MD022964 (Louisiana)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
West Carroll Mem. Hospital HomeOak grove, LAHome health agency
Elara CaringMonroe, LAHome health agency
West Carroll Memorial HospitalOak grove, LAHospital
St Francis Medical CenterMonroe, LAHospital
Morehouse General HospitalBastrop, LAHospital
Carroll Health And Rehab LlcOak grove, LANursing home
West Carroll Care Center, IncOak grove, LANursing home

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
West Carroll Health Systems, Llc529462777410

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 Thomas St Clair Williams Sr allows following entities to bill medicare on his behalf.
Entity NameWest Carroll Health Systems, Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1386700888
PECOS PAC ID: 5294627774
Enrollment ID: O20040402000229
Entity NameWest Carroll Health Systems, Llc
Entity TypePart A Provider - Critical Access Hospital
Entity IdentifiersNPI Number: 1255455390
PECOS PAC ID: 5294627774
Enrollment ID: O20230605001961
Entity NameWest Carroll Health Systems, Llc
Entity TypePart A Provider - Critical Access Hospital
Entity IdentifiersNPI Number: 1306843826
PECOS PAC ID: 5294627774
Enrollment ID: O20230609000635

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 Thomas St Clair Williams Sr 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 Thomas St Clair Williams Sr, MD
Po Box 13430,
Monroe, LA 71213-3430

Ph: (318) 343-6487
Dr Thomas St Clair Williams Sr, MD
516 Lincoln Rd,
Monroe, LA 71203-4252

Ph: (318) 343-6487

Reviews and Comments


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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.