Melissa Rebecca Sundermann, DO

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

5101013879 Issued in MI

Practice address

435 Ionia Ave SW Ste A210
Grand Rapids, MI 49503-5161

Phone

(616) 486-0385

NPI assigned

Aug 29, 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

Electronic endpoints 2

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

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.

Opted out of Medicare

Yes, effective Nov 29, 2022 through Nov 29, 2026

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Interoperability endpoints

• Direct secure messaging: msundermann3246402@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

  dba Corewell Health Medical Group West

  • Internal Medicine Physician
  • Grand Rapids, MI
  • NPI 1235188673
  NPD (past)

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

{
    "created_epoch": "1156809600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750896000000",
    "number": "1851400543",
    "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": "435 IONIA AVE SW STE A210",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495035161",
            "telephone_number": "616-486-0385"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SUNDERMANN",
        "first_name": "MELISSA",
        "middle_name": "REBECCA",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-08-29",
        "last_updated": "2025-06-26",
        "certification_date": "2025-06-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MI",
            "license": "5101013879",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "msundermann3246402@epic00.corewelldirect.org",
            "affiliation": "N",
            "address_1": "435 Ionia Ave SW Ste A210",
            "city": "Grand Rapids",
            "state": "MI",
            "country_code": "US",
            "postal_code": "495035161",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicarr02.spectrumhealth.org/EpicFHIR/api/FHIR/R4/",
            "affiliation": "N",
            "address_1": "435 Ionia Ave SW Ste A210",
            "city": "Grand Rapids",
            "state": "MI",
            "country_code": "US",
            "postal_code": "495035161",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Hanna Marie Summers
• Meghan Marie Summey, PA-C
• Alison Sumners
• Brittany Monique Sumrell, BSW
• Carol Sunday-Rasche, MA
• Daniel R Sundin, PHD
• Holly Kristine Sundstrom, M.S., CCC-SLP
• Lily Lai-Ling Sung, MD
• Sunshine Counseling LLC
• Falgun Sunuwar

• Internal Medicine Physician in Grand Rapids, MI
• Providers in Grand Rapids, 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 Jun 26, 2025; 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; Opt Out Affidavits.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.