Sarah Elizabeth Fahnhorst, D.O.

Primary specialty

Adult Congenital Heart Disease PhysicianTaxonomy code 207RA0002X

License

5101026944 Issued in MI

Practice address

25 Michigan St NE Ste 4200
Grand Rapids, MI 49503-2559

Phone

(616) 267-9150

NPI assigned

May 30, 2013

Sex

Female

Sole proprietor

No

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

Specialties & licenses 4

Addresses

Electronic endpoints 1

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

Pediatric MedicineAlso: Adult Congenital Heart Disease (Achd)

Education

Lake Erie College of Osteopathic Medicine, Bradenton, 2013

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

• Spectrum Health Hospital, Grand Rapids, MI, CCN 230038

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: sfahnhorst553619@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

  Internal Medicine, MI

  Medicare reassignment Care Compare group NPD
• Beaumont Medical Group- Specialty Services

  • Surgery Physician
  • Royal Oak, MI
  • NPI 1578072906

  MI

  Medicare reassignment NPD
• Spectrum Health Hospitals

  • Hospitalist Physician
  • Grand Rapids, MI
  • NPI 1558407189

  Internal Medicine, MI

  Medicare reassignment NPD
• Spectrum Health Hospitals

  • General Acute Care Hospital
  • Grand Rapids, MI
  • NPI 1922090554
  NPD
• Spectrum Health Primary Care Partners

  • Internal Medicine Physician
  • Grand Rapids, MI
  • NPI 1689499667

  Internal Medicine

  NPD
• William Beaumont Hospital

  • Physician Assistant
  • Royal Oak, MI
  • NPI 1164471983
  NPD (past)

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

• Pennock Hospital

  • Critical Access Hospital
  • Hastings, MI
  • NPI 1932695525

  Hospital

  Care Compare affiliation
• Spectrum Health Hospitals

  • General Acute Care Hospital
  • Grand Rapids, MI
  • NPI 1922090554

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1369872000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771200000000",
    "number": "1699112607",
    "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": "25 MICHIGAN ST NE STE 4200",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495032559",
            "telephone_number": "616-267-9150"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3601 W 13 Mile Rd",
            "address_purpose": "LOCATION",
            "city": "Royal Oak",
            "state": "MI",
            "postal_code": "480736712",
            "country_code": "US",
            "telephone_number": "248-551-4400",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "FAHNHORST",
        "first_name": "SARAH",
        "middle_name": "ELIZABETH",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2013-05-30",
        "last_updated": "2026-02-16",
        "certification_date": "2026-02-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RA0002X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Adult Congenital Heart Disease",
            "state": "MI",
            "license": "5101026944",
            "primary": true
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "IL",
            "license": "036-141190",
            "primary": false
        },
        {
            "code": "2080P0202X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Cardiology",
            "state": "MI",
            "license": "5101026944",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "036-141190",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "sfahnhorst553619@epic00.corewelldirect.org",
            "affiliation": "N",
            "address_1": "3601 W 13 Mile Rd",
            "city": "Royal Oak",
            "state": "MI",
            "country_code": "US",
            "postal_code": "480736712",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Alexander Fagan
• Lynn Eberts Fagerman, PNP
• Christina Leonard Fahlsing, MD
• Alyssa Fahner
• James B Fahner, MD
• Alicia V Fahr, PH.D. LPC
• Daniel R Fain, MD
• Ayana Fair, LLMSW
• Kaley Suzanne Fairbairn, LMSW
• Amanda Fairbanks, OTR/L

• All providers in Grand Rapids, MI
• Adult Congenital Heart Disease Physician in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 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.
• 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.