Individual provider Active NPI

John Adam Gerlach, PH.D.

  • Medical Geneticist (PhD) Specialist/Technologist
  • East Lansing, MI
National Provider Identifier
1285703538
Registry record updated Jun 26, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Medical Geneticist (PhD) Specialist/TechnologistTaxonomy code 246ZG1000X
Practice address
B228 Life Science
East Lansing, MI 48824-1317
Phone
(517) 432-3467
Fax
(517) 353-5436
NPI assigned
Nov 8, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 26, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Other Specialist/Technologist 246Z00000X
Medical Geneticist (PhD) Specialist/Technologist 246ZG1000X Primary

Addresses

Primary practice location

B228 Life Science
East Lansing, MI 48824-1317

Mailing address

B228 Life Science
East Lansing, MI 48824-1317
Phone (517) 432-3467

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)
Not enrolled
Credentials
Doctor of Philosophy

NPI Registry JSON

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

{
    "created_epoch": "1162944000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782432000000",
    "number": "1285703538",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "B228 LIFE SCIENCE",
            "city": "EAST LANSING",
            "state": "MI",
            "postal_code": "488241317",
            "telephone_number": "517-432-3467",
            "fax_number": "517-353-5436"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "B228 LIFE SCIENCE",
            "city": "EAST LANSING",
            "state": "MI",
            "postal_code": "488241317",
            "telephone_number": "517-432-3467",
            "fax_number": "517-353-5436"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GERLACH",
        "first_name": "JOHN",
        "middle_name": "ADAM",
        "name_prefix": "Dr.",
        "credential": "PH.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-11-08",
        "last_updated": "2026-06-26",
        "certification_date": "2026-06-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "246Z00000X",
            "taxonomy_group": "",
            "desc": "Specialist/Technologist, Other",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "246ZG1000X",
            "taxonomy_group": "",
            "desc": "Specialist/Technologist, Other, Geneticist, Medical (PhD)",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in East Lansing, MI

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 26, 2026; 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.