Individual provider Active NPI

Nicholas George Keinath, OD

  • Optometrist
  • Saint Joseph, MI
National Provider Identifier
1124886460
Registry record updated Sep 2, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
OptometristTaxonomy code 152W00000X
License
4901005868 Issued in MI
Practice address
2848 Niles Rd
Saint Joseph, MI 49085-3352
Phone
(269) 428-3300
Fax
(269) 428-5005
NPI assigned
Mar 11, 2024
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 2, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Optometrist 152W00000X 4901005868 MI Primary
Optometrist 152W00000X 18004564 IN

Addresses

Primary practice location

2848 Niles Rd
Saint Joseph, MI 49085-3352

Mailing address

2848 Niles Rd
Saint Joseph, MI 49085-3352
Phone (269) 428-3300

Other practice location 1

120 Longmeadow Village Dr
Niles, MI 49120-7808
Phone (269) 684-6400

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IN, MI2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: No
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20250721001326 IN Practitioner - Optometry 4082152533 Reassigns benefits to 1 organization
I20250721002386 MI Practitioner - Optometry 4082152533 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Optometry
Education
Ferris State College - College of Optometry, 2024
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Great Lakes Eye Care PCGroup PAC ID 8426091992, 12 clinicians

Practice addresses (Care Compare)

120 Longmeadow Village Dr
Niles, MI 49120-7808
Phone (269) 684-6400

3550 Park PL W
Suite 200
Mishawaka, IN 46545-3573
Phone (574) 222-1403

Hospital & facility affiliations

  • Lakeland Hospital, St Joseph Hospital, St Joseph, MI, CCN 230021

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
18004564INMDOptometrist
4901005868MIMDOptometrist

Practice roles

OrganizationSpecialtyStatusNew patients
Great Lakes Eye Care PC Optometrist CurrentSince Sep 8, 2025 Accepting new patients
Great Lakes Eye Care, P.C. PastSince Jan 29, 2023 Accepting new patients

Locations

3550 Park Pl W
Ste 200
Mishawaka, IN 46545
Phone (574) 222-1403

120 Longmeadow Village Dr
Niles, MI 49120
Phone (269) 684-6400

2848 Niles Rd
Saint Joseph, MI 49085
Phone (269) 428-3300

570 Broadway St
South Haven, MI 49090
Phone (269) 428-3300

Interoperability endpoints

  • Direct secure messaging: nicholas.keinath.p1@direct.cei.nextgenshare.com

Organizations & group practices 2

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": "1710115200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756771200000",
    "number": "1124886460",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2848 NILES RD",
            "city": "SAINT JOSEPH",
            "state": "MI",
            "postal_code": "490853352",
            "telephone_number": "269-428-3300",
            "fax_number": "269-428-5005"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2848 NILES RD",
            "city": "SAINT JOSEPH",
            "state": "MI",
            "postal_code": "490853352",
            "telephone_number": "269-428-3300",
            "fax_number": "269-428-5005"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "120 Longmeadow Village Dr",
            "address_purpose": "LOCATION",
            "city": "Niles",
            "state": "MI",
            "postal_code": "491207808",
            "country_code": "US",
            "telephone_number": "269-684-6400",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KEINATH",
        "first_name": "NICHOLAS",
        "middle_name": "GEORGE",
        "credential": "OD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2024-03-11",
        "last_updated": "2025-09-02",
        "certification_date": "2025-09-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "152W00000X",
            "taxonomy_group": "",
            "desc": "Optometrist",
            "state": "MI",
            "license": "4901005868",
            "primary": true
        },
        {
            "code": "152W00000X",
            "taxonomy_group": "",
            "desc": "Optometrist",
            "state": "IN",
            "license": "18004564",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Saint Joseph, MI

Sources for this page

Verify at the official NPI Registry.