NPIMap

Individual provider Active NPI

Steven Alexander Latosinsky, MD

  • Emergency Medicine Physician
  • Grand Rapids, MI
National Provider Identifier
1457839052
Registry record updated Jun 29, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
4301504588 Issued in MI
Practice address
100 Michigan St NE
Grand Rapids, MI 49503-2560
Phone
(616) 988-8220
NPI assigned
Aug 6, 2018
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 29, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology Physician 207L00000X 4301504588 MI
Emergency Medicine Physician 207P00000X 01099546A IN
Emergency Medicine Physician 207P00000X 4301504588 MI Primary

Addresses

Primary practice location

100 Michigan St NE
Grand Rapids, MI 49503-2560

Mailing address

4100 Embassy Dr SE Ste 400
Grand Rapids, MI 49546-2416

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MI, IN2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20210628002140 MI Practitioner - Emergency Medicine 5395094585 Reassigns benefits to 4 organizations
I20260414003205 IN Practitioner - Emergency Medicine 5395094585 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Other, 2018
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Ecs Western Michigan PCGroup PAC ID 8628327384, 202 clinicians
Southwestern Michigan Emergency Services, PCGroup PAC ID 1456265891, 69 clinicians

Practice addresses (Care Compare)

100 Michigan Ave NE
Grand Rapids, MI 49503-2560
Phone (616) 391-1680

601 John St
Kalamazoo, MI 49007-5341
Phone (269) 341-7654

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
4301504588MIMDAnesthesiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Southwestern Michigan Emergency Services, PC CurrentSince Sep 10, 2025 Accepting new patients
Cep America LLC Emergency Medicine CurrentSince Mar 1, 2024 Accepting new patients
Cep America LLC Emergency Medicine CurrentSince Mar 1, 2024 Accepting new patients
Visionary Medical Services PC Anesthesiology CurrentSince Jan 17, 2025 Accepting new patients
Ecs Western Michigan PC Anesthesiology CurrentSince Aug 1, 2022 Accepting new patients

Locations

1601 Cummins Dr
Ste D
Modesto, CA 95358
Phone (510) 350-2663

555 Linn St
Allegan, MI 49010
Phone (269) 673-8424

212 S Sullivan Ave
Fremont, MI 49412
Phone (231) 924-1212

100 Michigan St NE
Grand Rapids, MI 49503
Phone (616) 391-1680

615 S Bower St
Greenville, MI 48838
Phone (616) 754-4341

601 John St
Kalamazoo, MI 49007
Phone (269) 341-7100

408 Hazen St
Paw Paw, MI 49079
Phone (269) 341-8481

4599 Towne Centre Rd
Saginaw, MI 48604
Phone (989) 497-3000

Interoperability endpoints

  • Direct secure messaging: slatosinsky120178@mymichiganhealth.midirect.net

Organizations & group practices 6

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 6

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": "1533513600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782691200000",
    "number": "1457839052",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4100 EMBASSY DR SE STE 400",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495462416"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 MICHIGAN ST NE",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495032560",
            "telephone_number": "616-988-8220"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LATOSINSKY",
        "first_name": "STEVEN",
        "middle_name": "ALEXANDER",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-08-06",
        "last_updated": "2026-06-29",
        "certification_date": "2026-06-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "MI",
            "license": "4301504588",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "IN",
            "license": "01099546A",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "MI",
            "license": "4301504588",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Grand Rapids, MI

Sources for this page

Verify at the official NPI Registry.