Individual provider Active NPI

Alyssa Kerndt, RN

  • Certified Registered Nurse Anesthetist
  • Grand Rapids, MI
National Provider Identifier
1336869452
Registry record updated Sep 19, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
4704336000 Issued in MI
Practice address
200 Jefferson Ave SE
Grand Rapids, MI 49503-4502
Phone
(616) 685-5000
NPI assigned
Aug 30, 2022
Last updated
Sep 19, 2025By the provider in NPPES
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 19, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Certified Registered Nurse Anesthetist 367500000X 4704336000 MI Primary

Addresses

Primary practice location

200 Jefferson Ave SE
Grand Rapids, MI 49503-4502

Mailing address

1532 Welling Dr
Troy, MI 48085-5084

Other practice location 1

1532 Welling Dr
Troy, MI 48085-5084
Phone (248) 824-9518

Other practice location 2

1500 E Sherman Blvd
Muskegon, MI 49444-1849
Phone (231) 672-2000

Other practice location 3

1309 Sheldon Rd
Grand Haven, MI 49417-2404
Phone (231) 672-2000 ext. 23600

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MI

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20251014001819 MI Practitioner - Certified Registered Nurse Anesthetist (Crna) 6800383803 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Certified Registered Nurse Anesthetist (Crna)
Education
Other
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)

200 Jefferson Ave SE
Grand Rapids, MI 49503-4502
Phone (734) 263-2400

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Registered Nurse

State licenses

LicenseStateTypeSpecialty
4704336000MIMDCertified Registered Nurse Anesthetist

Practice roles

OrganizationSpecialtyStatusNew patients
Saint Mary's Health Services Single Specialty CurrentSince Sep 1, 2025 Accepting new patients
Saint Mary's Health Services CurrentSince Sep 1, 2025 Accepting new patients

Locations

1309 Sheldon Rd
Grand Haven, MI 49417
Phone (616) 842-3600

200 Jefferson Ave SE
Grand Rapids, MI 49503
Phone (616) 685-5000

1500 E Sherman Blvd
Muskegon, MI 49444
Phone (231) 672-3027

Organizations & group practices 2

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.

Hospital & facility affiliations 1

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

NPI Registry JSON

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

{
    "created_epoch": "1661817600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758240000000",
    "number": "1336869452",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1532 WELLING DR",
            "city": "TROY",
            "state": "MI",
            "postal_code": "480855084"
        },
        {
            "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": "1532 Welling Dr",
            "address_purpose": "LOCATION",
            "city": "Troy",
            "state": "MI",
            "postal_code": "480855084",
            "country_code": "US",
            "telephone_number": "248-824-9518",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1500 E Sherman Blvd",
            "address_purpose": "LOCATION",
            "city": "Muskegon",
            "state": "MI",
            "postal_code": "494441849",
            "country_code": "US",
            "telephone_number": "231-672-2000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1309 Sheldon Rd",
            "address_purpose": "LOCATION",
            "city": "Grand Haven",
            "state": "MI",
            "postal_code": "494172404",
            "country_code": "US",
            "telephone_number": "231-672-2000 x23600",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KERNDT",
        "first_name": "ALYSSA",
        "credential": "RN",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2022-08-30",
        "last_updated": "2025-09-19",
        "certification_date": "2025-09-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "MI",
            "license": "4704336000",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Grand Rapids, MI

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 19, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • 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.