Keith Marcus, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

4301050045 Issued in MI

Practice address

1 Atkinson Dr
Ludington, MI 49431-1906

Phone

(616) 391-3139

NPI assigned

Jun 7, 2006

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in MI

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

HospitalistAlso: Internal Medicine

Education

University of Iowa, RJ & L Carver College of Medicine, 1985

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Spectrum Health Primary Care PartnersGroup PAC ID 4587568647, 2,283 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Corewell Health Ludington Hospital Hospital, Ludington, MI, CCN 230110

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: kmarcus3728@epic00.corewelldirect.org

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Spectrum Health Primary Care Partners

  • Internal Medicine Physician
  • Grand Rapids, MI
  • NPI 1235188673
  Medicare reassignment Care Compare group NPD
• Hospitalist Medicine Physicians of Michigan, PLLC

  • Internal Medicine Physician
  • Adrian, MI
  • NPI 1013180181
  Medicare reassignment NPD
• Sound Inpatient Physicians-Michigan, PLLC

  • Internal Medicine Physician
  • Kalamazoo, MI
  • NPI 1093967861
  Medicare reassignment NPD
• Hospitalist Medicine Physicians of Michigan PLLC

  • Internal Medicine Physician
  • Adrian, MI
  • NPI 1033370283
  NPD
• Mercy Specialty Services

  • Internal Medicine Physician
  • Muskegon, MI
  • NPI 1629010384
  NPD
• Sound Inpatient Physicians - Michigan, PLLC

  • Hospitalist Physician
  • Escanaba, MI
  • NPI 1366768178

  Internal Medicine

  NPD
• Indigo Hospital Medicine - Traverse City, PLC

  • Internal Medicine Physician
  • Traverse City, MI
  • NPI 1124370580
  NPD (past)
• Memorial Medical Center of West Michigan

  • General Acute Care Hospital
  • Ludington, MI
  • NPI 1972589489
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Memorial Medical Center of West Michigan

  • General Acute Care Hospital
  • Ludington, MI
  • NPI 1972589489
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1149638400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1709251200000",
    "number": "1255371365",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "100 MICHIGAN ST NE # MC845",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495032560"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 ATKINSON DR",
            "city": "LUDINGTON",
            "state": "MI",
            "postal_code": "494311906",
            "telephone_number": "616-391-3139"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARCUS",
        "first_name": "KEITH",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-07",
        "last_updated": "2024-03-01",
        "certification_date": "2024-03-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MI",
            "license": "4301050045",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Ted J Lutz, HEARING AID DEALER
• Courtney Madsen, RN
• Stephen Joseph Manuszak, M.D.
• Kay Lynn Marble, LMSW, ACSW, CAC-R
• Marc E Keen, M.D. P.C.
• Margaret E Gustafson MD PC
• Alma Lynne Martin, PH.D.
• Jason Richard Martin, D.D.S.
• Rachel A Martz, CHW
• Mary K O'Callaghan DO PC

• Internal Medicine Physician in Ludington, MI
• Providers in Ludington, MI by specialty
• Internal Medicine Physician in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 1, 2024; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.