Melissa H Olken, MD, PHD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

4301054011 Issued in MI

Practice address

2215 Fuller Rd
Ann Arbor, MI 48105-2303

Phone

(734) 769-7100

NPI assigned

Aug 27, 2006

Sex

Female

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine, Doctor of Philosophy

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 and National Provider Directory roles.

• Ascension Borgess Hospital

  • General Acute Care Hospital
  • Kalamazoo, MI
  • NPI 1568416311
  Medicare reassignment NPD
• Western Michigan University School of Medicine

  • Multi-Specialty Clinic/Center
  • Kalamazoo, MI
  • NPI 1316212343
  Medicare reassignment NPD
• Ascension Borgess Hospital

  • Diagnostic Radiology Physician
  • Kalamazoo, MI
  • NPI 1518753441
  NPD
• Ascension Borgess Hospital

  • Hospitalist Physician
  • Plainwell, MI
  • NPI 1821045212

  Internal Medicine

  NPD
• Michigan State University Kalamazoo Center for Medical Studies

  • Multi-Specialty Clinic/Center
  • Kalamazoo, MI
  • NPI 1568467249
  NPD
• Ipc Hospitalists of New England, P.C.

  • Internal Medicine Physician
  • Springfield, MA
  • NPI 1659555266
  NPD (past)

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

{
    "created_epoch": "1156636800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773619200000",
    "number": "1265540611",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2215 FULLER RD",
            "city": "ANN ARBOR",
            "state": "MI",
            "postal_code": "481052303",
            "telephone_number": "734-769-7100"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2215 FULLER RD",
            "city": "ANN ARBOR",
            "state": "MI",
            "postal_code": "481052303",
            "telephone_number": "734-769-7100"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OLKEN",
        "first_name": "MELISSA",
        "middle_name": "H",
        "credential": "MD, PHD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-08-27",
        "last_updated": "2026-03-16",
        "certification_date": "2026-03-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MI",
            "license": "4301054011",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Rocio Oliva, MD, MS
• Anthony Oliveira
• Andrea Lyn Oliverio, MD
• Antoinette Marie Oliverio
• Rebecca Leigh Olivier, MSW, LLMSW
• Layal Sam Ollaik
• Tanner Olmos
• Pamela Ann Olmstead, N.P.
• Olo Physical Therapy and Wellness
• Joseph Casey Olofsson, PT, DPT

• Internal Medicine Physician in Ann Arbor, MI
• Providers in Ann Arbor, 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 16, 2026; 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.