Mark Francis Grenquist, DO

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

5101014936 Issued in MI

Practice address

775 S Main St
Chelsea, MI 48118-1383

Phone

(734) 593-6000

NPI assigned

Sep 24, 2006

Last updated

Sep 6, 2016By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 4

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

Michigan State University College of Human Medicine, 2001

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Apogee Medical Group Michigan PCGroup PAC ID 9931347879, 42 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Oaklawn Hospital Hospital, Marshall, MI, CCN 230217
• Borgess Medical Center Hospital, Kalamazoo, MI, CCN 230117

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

Practice roles

Locations

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

• Apogee Medical Group, Michigan, PC

  • Internal Medicine Physician
  • Scottsdale, AZ
  • NPI 1053655134

  MI

  Medicare reassignment Care Compare group NPD
• Iha Health Services Corporation

  dba IHA Canton Obstetrics and Gynecology

  • Obstetrics & Gynecology Physician
  • Canton, MI
  • NPI 1457408965
  Medicare reassignment NPD
• Iha Health Service Corporation

  dba Trinity Health IHA Medical Group OB/GYN Float

  • Obstetrics & Gynecology Physician
  • Ypsilanti, MI
  • NPI 1831053701
  NPD
• Iha Health Services Corporation

  dba IHA Hospitalist

  • Hospitalist Physician
  • Ypsilanti, MI
  • NPI 1306121405
  NPD
• Ella E. M. Brown Charitable Circle

  dba Oaklawn Hospital

  • General Acute Care Hospital
  • Marshall, MI
  • NPI 1861475360
  NPD (past)
• Hospitalist Medicine Physicians of Calhoun County, PLLC

  • Internal Medicine Physician
  • Battle Creek, MI
  • NPI 1144455494
  NPD (past)

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

• Beacon Kalamazoo Inc

  dba Beacon Kalamazoo

  • General Acute Care Hospital
  • Kalamazoo, MI
  • NPI 1568416311
  Care Compare affiliation
• Ella E. M. Brown Charitable Circle

  dba Oaklawn Hospital

  • General Acute Care Hospital
  • Marshall, MI
  • NPI 1861475360
  Care Compare affiliation

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

{
    "created_epoch": "1159056000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1473120000000",
    "number": "1942300454",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "24 FRANK LLOYD WRIGHT DR",
            "address_2": "PO BOX 0446 - LOBBY J",
            "city": "ANN ARBOR",
            "state": "MI",
            "postal_code": "481059484",
            "telephone_number": "734-747-6766",
            "fax_number": "734-222-3100"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "775 S MAIN ST",
            "city": "CHELSEA",
            "state": "MI",
            "postal_code": "481181383",
            "telephone_number": "734-593-6000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GRENQUIST",
        "first_name": "MARK",
        "middle_name": "FRANCIS",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-09-24",
        "last_updated": "2016-09-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MI",
            "license": "5101014936",
            "primary": true
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "MI",
            "license": "5101014936",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS INDIVIDUAL PIN",
            "identifier": "5331090",
            "state": "MI"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "4631106",
            "state": "MI"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1942300454",
            "state": "MI"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBSM - BRONSON BATTLE CREEK",
            "identifier": "1417961137",
            "state": "MI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Abigail Grace Goodenow
• Helene Miriam Graham, P.T.
• Marnie Loree Grant, DDS
• Greater Chelsea Bone & Joint Surgery, PLC
• Jenna Burk Greenberg, M.D.
• Celeste Renee Groenenberg, CPM, LM
• Anne Gronos
• Growth Zone LLC
• Alexandra Guajardo, PHD, MS, PA-C
• Victoria Haehl, PT, PHD

• Internal Medicine Physician in Chelsea, MI
• Providers in Chelsea, 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 Sep 6, 2016; 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.