Kenneth Hayes, M.D.

Primary specialty

Anesthesiology PhysicianTaxonomy code 207L00000X

License

4301504549 Issued in MI

Practice address

200 Jefferson Ave SE
Grand Rapids, MI 49503-4502

Phone

(616) 685-5000

NPI assigned

May 23, 2016

Last updated

Aug 11, 2025By 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 3

Addresses

Medicare fee-for-service enrollment

Enrolled in MI, CA2 enrollments

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 2

Specialty

Anesthesiology

Education

Other, 2016

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Saint Mary's Health ServicesGroup PAC ID 4981500436, 175 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mercy Health Saint Mary's Hospital, Grand Rapids, MI, CCN 230059

Merit-based Incentive Payment System (MIPS)

Final score

67.5 of 100Reported as group

Quality

58.12

Improvement activities

40

Cost

68.45

Merit-based Incentive Payment System (MIPS)

Final score

34.63 of 100Reported as group

Quality

23.09

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: khayes1118452@direct.trinity-health.org

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.

• Saint Mary's Health Services

  • Anesthesiology Physician
  • Grand Rapids, MI
  • NPI 1124063078
  Medicare reassignment Care Compare group NPD
• Anesthesia Associates of Ann Arbor, PLLC

  • Anesthesiology Physician
  • Westland, MI
  • NPI 1669581997
  Medicare reassignment NPD
• St Mary Mercy Hospital Crna

  • Certified Registered Nurse Anesthetist
  • Livonia, MI
  • NPI 1063602092

  Anesthesiology

  Medicare reassignment NPD
• Southern California Permanente Medical Group

  • Health Maintenance Organization
  • Baldwin Park, CA
  • NPI 1770515280
  Medicare reassignment
• Saint Mary's Health Services

  dba Mercy Health Saint Mary's

  • General Acute Care Hospital
  • Grand Rapids, MI
  • NPI 1639111057
  NPD
• A4 of Ohio, LLC

  • Anesthesiology Physician
  • Toledo, OH
  • NPI 1255996567
  NPD
• Southern California Permanente Medical Group

  dba Target Clinic Medical Associates of Southern California

  • Health Maintenance Organization
  • San Diego, CA
  • NPI 1023425972
  NPD
• Southern California Permanente Medical Group

  • Health Maintenance Organization
  • Santa Clarita, CA
  • NPI 1316409410
  NPD

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

• Saint Mary's Health Services

  dba Mercy Health Saint Mary's

  • General Acute Care Hospital
  • Grand Rapids, MI
  • NPI 1639111057
  Care Compare affiliation

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

{
    "created_epoch": "1463961600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1754870400000",
    "number": "1346697174",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2319 NAUDAIN ST",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191461119",
            "telephone_number": "616-581-1909"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "200 JEFFERSON AVE SE",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495034502",
            "telephone_number": "616-685-5000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3400 Spruce St",
            "address_purpose": "LOCATION",
            "city": "Philadelphia",
            "state": "PA",
            "postal_code": "191044238",
            "country_code": "US",
            "telephone_number": "616-581-1909",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "5301 McAuley Dr",
            "address_purpose": "LOCATION",
            "city": "Ypsilanti",
            "state": "MI",
            "postal_code": "481971051",
            "country_code": "US",
            "telephone_number": "734-712-3456",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HAYES",
        "first_name": "KENNETH",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-05-23",
        "last_updated": "2025-08-11",
        "certification_date": "2025-08-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "PA",
            "license": "MD471145",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "MI",
            "license": "MT211095",
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "MI",
            "license": "4301504549",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Josiah Daniel Hayden
• Ahnuh Lynn Hayes, LMSW
• Chynna A Hayes, CPT
• Elizabeth Hayes
• Erin Leanne Hayes, DO
• Kevin Joseph Hayes, D.O.
• Kirsten Hayes
• Madeline Hayes
• Stephanie Nicole Hayes, DO
• Erin Kinney Hayhow, D.O.

• Anesthesiology Physician in Grand Rapids, MI
• Providers in Grand Rapids, MI by specialty
• Anesthesiology Physician in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 11, 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.
• 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.