Gregory Stephen Herzler, D.D.S.

Primary specialty

General Practice DentistryTaxonomy code 1223G0001X

License

12605 Issued in MI

Practice address

4977 Mackinaw Rd
Saginaw, MI 48603-7248

Phone

(989) 793-7733

Fax

(989) 793-6347

NPI assigned

Nov 1, 2005

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

State licenses

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

{
    "created_epoch": "1130803200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1235120064",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "971 CANTERBURY DR",
            "city": "SAGINAW",
            "state": "MI",
            "postal_code": "486385861",
            "telephone_number": "989-793-2204"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4977 MACKINAW RD",
            "city": "SAGINAW",
            "state": "MI",
            "postal_code": "486037248",
            "telephone_number": "989-793-7733",
            "fax_number": "989-793-6347"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HERZLER",
        "first_name": "GREGORY",
        "middle_name": "STEPHEN",
        "name_prefix": "Dr.",
        "credential": "D.D.S.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-11-01",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1223G0001X",
            "taxonomy_group": "",
            "desc": "Dentist, General Practice",
            "state": "MI",
            "license": "12605",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Tamara Hernandez
• Elizabeth Suzanne Hernden, FNP-BC
• Sandra Elizabeth Hernick, PHARM.D.
• Ashton Hero
• Daniel Herrera IV
• Onyx Hess
• Samantha Marie Hess
• Christopher Hesterly, MD
• Ann Hetzner
• Richard P Heuschele, MD

• General Practice Dentistry in Saginaw, MI
• Providers in Saginaw, MI by specialty
• General Practice Dentistry in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.