Individual provider Active NPI

Timothy Michael McGorisk, M.D.

  • Gastroenterology Physician
  • Ypsilanti, MI
National Provider Identifier
1356637177
Registry record updated Jan 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
4301503699 Issued in MI
Practice address
5300 Elliott Dr
Ypsilanti, MI 48197-8632
Phone
(734) 434-6262
Fax
(734) 714-2820
NPI assigned
Jun 20, 2011
Last updated
Jan 13, 2026By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jan 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Gastroenterology Physician 207RG0100X 4301503699 MI Primary

Addresses

Primary practice location

5300 Elliott Dr
Ypsilanti, MI 48197-8632

Mailing address

5300 Elliott Dr
Ypsilanti, MI 48197-8632
Phone (734) 822-2826

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address hurongastro@directaddress.net Health Information Exchange (HIE)

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
I20210322002052 MI Practitioner - Gastroenterology 6608186036 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Gastroenterology
Education
Wayne State University School of Medicine, 2011
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Iha Health Services CorporationGroup PAC ID 2466351440, 1,149 clinicians

Practice addresses (Care Compare)

36475 5 Mile Rd
Livonia, MI 48154-1971
Phone (734) 655-2671

51341 W Huron River Dr
Trinity Health Iha Medical Group Primary Ca
Van Buren Township, MI 48111-2571
Phone (734) 997-0304

5333 McAuley Dr
Ypsilanti, MI 48197-1097

620 Byron Rd
Howell, MI 48843-1002
Phone (517) 545-5450

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy96
Upper gastrointestinal (GI) endoscopy for acid reflux81

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
4301503699MIMDGastroenterology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
St Mary Mercy Hospital Crna Current Accepting new patients
Huron Gastroenterology Associates PC Gastroenterology CurrentSince May 1, 2021 Accepting new patients
Huron Gastroenterology Associates PC Gastroenterology CurrentSince May 1, 2021 Accepting new patients
St Mary Mercy Hospital Professional Gastroenterology CurrentSince Sep 16, 2023 Accepting new patients
St Mary Mercy Hospital Professional Current Accepting new patients
St Mary Mercy Hospital Current Accepting new patients
Iha Health Service Corporation CurrentSince Dec 13, 2025 Accepting new patients
Iha Health Service Corporation Gastroenterology CurrentSince Dec 13, 2025 Accepting new patients
Center for Digestive Care LLC Past Accepting new patients
Iha Health Services Corporation Past Accepting new patients

Locations

620 Byron Rd
Howell, MI 48843
Phone (517) 545-5450

20555 Victor Pkwy
Stop 3A
Livonia, MI 48152

36475 5 Mile Rd
Livonia, MI 48154
Phone (734) 464-4800

36650 5 Mile Rd
Livonia, MI 48154
Phone (734) 434-6262

36650 5 Mile Rd
Ste 100
Livonia, MI 48154
Phone (734) 432-0314

36650 5 Mile Rd
Ste 101
Livonia, MI 48154
Phone (734) 434-6262

44428 Woodward Ave
Ste 102
Pontiac, MI 48341
Phone (734) 712-8700

5300 Elliott Dr
Ypsilanti, MI 48197
Phone (734) 434-6262

5333 McAuley Dr
Rm 2115
Ypsilanti, MI 48197
Phone (734) 712-3971

Interoperability endpoints

  • FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/
  • Direct secure messaging: hurongastro@directaddress.net
  • Direct secure messaging: tmcgorisk967273@direct.trinity-health.org

Organizations & group practices 11

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 4

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": "1308528000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768262400000",
    "number": "1356637177",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5300 ELLIOTT DR",
            "city": "YPSILANTI",
            "state": "MI",
            "postal_code": "481978632",
            "telephone_number": "734-822-2826",
            "fax_number": "734-434-9517"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5300 ELLIOTT DR",
            "city": "YPSILANTI",
            "state": "MI",
            "postal_code": "481978632",
            "telephone_number": "734-434-6262",
            "fax_number": "734-714-2820"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MCGORISK",
        "first_name": "TIMOTHY",
        "middle_name": "MICHAEL",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2011-06-20",
        "last_updated": "2026-01-13",
        "certification_date": "2026-01-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "MI",
            "license": "4301503699",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "hurongastro@directaddress.net",
            "affiliation": "N",
            "endpointDescription": "Direct Address",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "XML,PDF",
            "address_1": "5300 Elliott Dr",
            "city": "Ypsilanti",
            "state": "MI",
            "country_code": "US",
            "postal_code": "481978632",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Ypsilanti, MI

Sources for this page

Verify at the official NPI Registry.