Individual provider Active NPI

Riley Kaiser

  • Family Medicine Physician
  • Grand Rapids, MI
National Provider Identifier
1881335891
Registry record updated Dec 5, 2022
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
4351049052 Issued in MI
Practice address
300 Lafayette Ave SE Ste 4000
Grand Rapids, MI 49503-4692
Phone
(616) 685-6922
NPI assigned
Apr 5, 2022
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 5, 2022

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X 4351049052 MI Primary

Addresses

Primary practice location

300 Lafayette Ave SE Ste 4000
Grand Rapids, MI 49503-4692

Mailing address

200 Jefferson Ave SE Ste 305
Grand Rapids, MI 49503-4502
Phone (616) 685-6874

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20250804002249 MI Practitioner - Family Practice 2860871167 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
Wayne State University School of Medicine, 2022
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Center for Physical Rehabilitation IncGroup PAC ID 6901717768, 352 clinicians
Center for Physical Rehabilitation and Therapy LPGroup PAC ID 0941513303, 365 clinicians

Practice addresses (Care Compare)

1471 E Beltline Ave NE
201 Trinity Health Med Group
Grand Rapids, MI 49525-4548
Phone (616) 685-8620

5060 Cascade Rd
Suite a
Grand Rapids, MI 49546-3808

5060 Cascade Rd SE
Suite a
Grand Rapids, MI 49546-3808

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Advantage Health Saint Mary's Medical Group CurrentSince Aug 15, 2025 Accepting new patients
Advantage Health/Saint Mary's Medical Group CurrentSince Aug 15, 2025 Accepting new patients
Advantage Health Saint Mary's Medical Group Past Accepting new patients

Locations

10047 Crossroad Ct SE
Caledonia, MI 49316
Phone (616) 685-8850

1471 E Beltline Ave NE
Ste 201
Grand Rapids, MI 49525
Phone (616) 685-8620

200 Jefferson Ave SE
Ste 305
Grand Rapids, MI 49503
Phone (616) 685-6741

300 Lafayette Ave SE
Ste 4000
Grand Rapids, MI 49503
Phone (616) 685-6741

Interoperability endpoints

  • Direct secure messaging: rkaiser1855172@direct.trinity-health.org

Organizations & group practices 4

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.

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": "1649116800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1670198400000",
    "number": "1881335891",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "200 JEFFERSON AVE SE STE 305",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495034502",
            "telephone_number": "616-685-6874"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 LAFAYETTE AVE SE STE 4000",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495034692",
            "telephone_number": "616-685-6922"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KAISER",
        "first_name": "RILEY",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-04-05",
        "last_updated": "2022-12-05",
        "certification_date": "2022-12-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "MI",
            "license": "4351049052",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Grand Rapids, MI

Sources for this page

Verify at the official NPI Registry.