Individual provider Active NPI

Mohammad Riahi, MD

  • Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
  • Grand Rapids, MI
National Provider Identifier
1356374243
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianTaxonomy code 208G00000X
License
4301032811 Issued in MI
Practice address
250 Cherry St SE
Grand Rapids, MI 49503
Phone
(616) 752-5600
NPI assigned
Jul 7, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Surgery Physician 208600000X 4301032811 MI
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X 4301032811 MI Primary

Addresses

Primary practice location

250 Cherry St SE
Grand Rapids, MI 49503

Mailing address

245 State St SE
Grand Rapids, MI 49503-4328

Other identifiers 2

IdentifierTypeStateIssuer
4782620MedicaidMI
4877993MedicaidMI

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
4301032811MIMDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician

NPI Registry JSON

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

{
    "created_epoch": "1152230400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1356374243",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "245 STATE ST SE",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495034328",
            "fax_number": "616-913-1818"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "250 CHERRY ST SE",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "49503",
            "telephone_number": "616-752-5600"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "RIAHI",
        "first_name": "MOHAMMAD",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-07",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "MI",
            "license": "4301032811",
            "primary": false
        },
        {
            "code": "208G00000X",
            "taxonomy_group": "",
            "desc": "Thoracic Surgery (Cardiothoracic Vascular Surgery)",
            "state": "MI",
            "license": "4301032811",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "4782620",
            "state": "MI"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "4877993",
            "state": "MI"
        }
    ],
    "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 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.