Dr Mark H Williams, MD - Medicare Family Practice in Lafayette, IN

Dr Mark H Williams, MD is a medicare enrolled "Family Medicine" physician in Lafayette, Indiana. He went to Georgetown University School Of Medicine and graduated in 1989 and has 35 years of diverse experience with area of expertise as Family Practice. He is a member of the group practice Unity Healthcare Llc and his current practice location is 2525 South St, Lafayette, Indiana. You can reach out to his office (for appointments etc.) via phone at (765) 807-2320.

Dr Mark H Williams is licensed to practice in Indiana (license number 01047376A) 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 1700859873.

Contact Information

Dr Mark H Williams, MD
2525 South St,
Lafayette, IN 47904-3028
(765) 807-2320
(765) 807-2330

Map and Direction




Physician's Profile

Full NameDr Mark H Williams
GenderMale
SpecialityFamily Practice
Experience35 Years
Location2525 South St, Lafayette, Indiana
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 Mark H Williams attended and graduated from Georgetown University School Of Medicine in 1989
  NPI Data:
  • NPI Number: 1700859873
  • Provider Enumeration Date: 02/09/2006
  • Last Update Date: 03/21/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 9133217318
  • Enrollment ID: I20071126000204

Medical Identifiers

Medical identifiers for Dr Mark H Williams such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1700859873NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208M00000XHospitalist 01047376A (Indiana)Secondary
207Q00000XFamily Medicine 01047376A (Indiana)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Franciscan Home CareLafayette, INHome health agency
Franciscan Health CrawfordsvilleCrawfordsville, INHospital
Franciscan Health LafayetteLafayette, INHospital
Indiana University Health Arnett HospitalLafayette, INHospital
Ascension St Vincent WilliamsportWilliamsport, INHospital
Indiana University Health White Memorial HospitalMonticello, INHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Unity Healthcare Llc024412336271

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 Mark H Williams allows following entities to bill medicare on his behalf.
Entity NameUnity Healthcare Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1619929098
PECOS PAC ID: 0244123362
Enrollment ID: O20040203001083

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 Mark H 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 Mark H Williams, MD
Po Box 4699,
Lafayette, IN 47903-4699

Ph: (765) 449-2732
Dr Mark H Williams, MD
2525 South St,
Lafayette, IN 47904-3028

Ph: (765) 807-2320

Reviews and Comments


Family Medicine Doctors in Lafayette, IN

Ian Reed, DO
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2525 South St, Lafayette, IN 47904
Phone: 765-807-2320    Fax: 765-807-2330
Martin Scheidt, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1 Walter Scholer Dr, Lafayette, IN 47909
Phone: 765-448-8000    Fax: 765-448-8257
Alison Wright, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 3750 Landmark Dr Ste A, Lafayette, IN 47905
Phone: 765-448-4511    Fax: 765-447-7312
Jeffrey C Wang, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 5177 Mccarty Ln, Lafayette, IN 47905
Phone: 765-448-8000    Fax: 765-448-7613
Toluwanimi A Oyedele, MD
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 5177 Mccarty Ln, Lafayette, IN 47905
Phone: 765-838-7101    
Dr. Jhon M Nogales Pimienta, MD
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 5165 Mccarty Ln, Lafayette, IN 47905
Phone: 765-838-7101    
Navid Ahsani, DO
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 3920 St Francis Way Ste 209, Lafayette, IN 47905
Phone: 765-775-2830    

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.