Individual provider Active NPI

Trystan Robert Thayer, MS, RD

  • Registered Dietitian
  • Grand Rapids, MI
National Provider Identifier
1457100034
Registry record updated Jul 8, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Registered DietitianTaxonomy code 133V00000X
Practice address
221 Michigan St NE Ste 200
Grand Rapids, MI 49503-2533
Phone
(616) 267-8950
NPI assigned
May 15, 2024
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 8, 2024

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Registered Dietitian 133V00000X Primary

Addresses

Primary practice location

221 Michigan St NE Ste 200
Grand Rapids, MI 49503-2533

Mailing address

100 Michigan St NE # Mc845
Grand Rapids, MI 49503-2560

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20240604000656 MI Practitioner - Registered Dietitian Or Nutrition Professional 8527500750 Reassigns benefits to 1 organization

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Master of Science

Practice roles

OrganizationSpecialtyStatusNew patients
Spectrum Health Primary Care Partners Current Accepting new patients

Locations

100 Michigan St NE
#845
Grand Rapids, MI 49503
Phone (616) 391-8242

221 Michigan St NE
Ste 200
Grand Rapids, MI 49503
Phone (616) 391-8635

221 Michigan St NE
Grand Rapids, MI 49503
Phone (616) 391-1405

4444 Kalamazoo Ave SE
Ste 200
Kentwood, MI 49508
Phone (616) 391-5600

Organizations & group practices 1

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.

NPI Registry JSON

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

{
    "created_epoch": "1715731200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1720396800000",
    "number": "1457100034",
    "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": "221 MICHIGAN ST NE STE 200",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495032533",
            "telephone_number": "616-267-8950"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "THAYER",
        "first_name": "TRYSTAN",
        "middle_name": "ROBERT",
        "credential": "MS, RD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2024-05-15",
        "last_updated": "2024-07-08",
        "certification_date": "2024-07-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "133V00000X",
            "taxonomy_group": "",
            "desc": "Dietitian, Registered",
            "state": null,
            "license": null,
            "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 Jul 8, 2024; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.