Marcella Ruth Clark, MD - Medicare Addiction Medicine in Detroit, MI

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Marcella Ruth Clark, MD is a medicare enrolled "Internal Medicine" physician in Detroit, Michigan. She went to Wayne State University School Of Medicine and graduated in 1989 and has 36 years of diverse experience with area of expertise as Addiction Medicine. She is a member of the group practice Western Wayne Family Health Centers and her current practice location is 7700 2nd Ave, Detroit, Michigan. You can reach out to her office (for appointments etc.) via phone at (313) 202-8785.

Marcella Ruth Clark is licensed to practice in Michigan (license number 4301054607) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1902028913.

Contact Information

Marcella Ruth Clark, MD
7700 2nd Ave,
Detroit, MI 48202-2411
(313) 202-8785
(313) 202-6870

Map and Direction




Physician's Profile

Full NameMarcella Ruth Clark
GenderFemale
SpecialityAddiction Medicine
Experience36 Years
Location7700 2nd Ave, Detroit, Michigan
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Marcella Ruth Clark attended and graduated from Wayne State University School Of Medicine in 1989
  NPI Data:
  • NPI Number: 1902028913
  • Provider Enumeration Date: 05/02/2007
  • Last Update Date: 10/02/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 9234236431
  • Enrollment ID: I20070523000335

Medical Identifiers

Medical identifiers for Marcella Ruth Clark such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1902028913NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208D00000XGeneral Practice 4301054607 (Michigan)Secondary
207R00000XInternal Medicine 4301054607 (Michigan)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Western Wayne Family Health Centers408261799811

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. Marcella Ruth Clark allows following entities to bill medicare on her behalf.
Entity NameMetropolitan Rehabilitation Clinics, Inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1811020035
PECOS PAC ID: 8022039742
Enrollment ID: O20051209000233
Entity NameWestern Wayne Family Health Centers
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1972530277
PECOS PAC ID: 4082617998
Enrollment ID: O20060926000287
Entity NameInstitute Of Supportive Services Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1346613403
PECOS PAC ID: 0840565388
Enrollment ID: O20171009002482

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. Marcella Ruth Clark 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
Marcella Ruth Clark, MD
21040 Greenfield Rd,
Oak Park, MI 48237-3025

Ph: (248) 967-6130		Marcella Ruth Clark, MD
7700 2nd Ave,
Detroit, MI 48202-2411

Ph: (313) 202-8785

Reviews and Comments


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Maria Diab,
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Phone: 800-653-6568    Fax: 313-876-1305

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.