Organization Active NPI

Gmos Oral Surgery, PC

  • Oral and Maxillofacial Surgery (Dentist)
  • Flint, MI
National Provider Identifier
1194675223
Registry record updated Jan 29, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Oral and Maxillofacial Surgery (Dentist)Taxonomy code 1223S0112X
Legal business name
GMOS ORAL SURGERY, PC
Practice address
5417 Gateway Ctr
Flint, MI 48507-3980
Phone
(810) 424-0705
NPI assigned
Jan 29, 2026
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Jan 29, 2026

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

Authorized official

Name
Dr. Robert C. Lesneski, DDS
Title
Doctor/Ceo
Phone
(989) 892-9341

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Oral and Maxillofacial Surgery (Dentist)Group: 193400000X SINGLE SPECIALTY GROUP 1223S0112X Primary

Addresses

Primary practice location

5417 Gateway Ctr
Flint, MI 48507-3980

Mailing address

5417 Gateway Ctr
Flint, MI 48507-3980
Phone (810) 424-0705

Other practice location 1

5220 Eastman Ave
Midland, MI 48640-2598
Phone (989) 874-3500

Other practice location 2

5150 Cardinal Square Blvd
Saginaw, MI 48604-9434
Phone (989) 401-6591

Other practice location 3

4161 Shrestha Dr
Bay City, MI 48706-2171
Phone (989) 892-9341

Other practice location 4

113 N Washington St
Oxford, MI 48371-4670
Phone (248) 969-9500

Other practice location 5

306 N Gould St
Owosso, MI 48867-2417
Phone (989) 723-3882

National Provider Directory

National Provider Directory

Locations

4161 Shrestha Dr
Bay City, MI 48706
Phone (989) 892-9341

306 N Gould St
Owosso, MI 48867
Phone (989) 723-3882

5150 Cardinal Square Blvd
Saginaw, MI 48604
Phone (989) 401-6591

Practitioners & affiliated clinicians

Practitioners 2

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1769644800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1769644800000",
    "number": "1194675223",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5417 GATEWAY CTR",
            "city": "FLINT",
            "state": "MI",
            "postal_code": "485073980",
            "telephone_number": "810-424-0705",
            "fax_number": "810-424-0750"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5417 GATEWAY CTR",
            "city": "FLINT",
            "state": "MI",
            "postal_code": "485073980",
            "telephone_number": "810-424-0705"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "5220 Eastman Ave",
            "address_purpose": "LOCATION",
            "city": "Midland",
            "state": "MI",
            "postal_code": "486402598",
            "country_code": "US",
            "telephone_number": "989-874-3500",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "5150 Cardinal Square Blvd",
            "address_purpose": "LOCATION",
            "city": "Saginaw",
            "state": "MI",
            "postal_code": "486049434",
            "country_code": "US",
            "telephone_number": "989-401-6591",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4161 Shrestha Dr",
            "address_purpose": "LOCATION",
            "city": "Bay City",
            "state": "MI",
            "postal_code": "487062171",
            "country_code": "US",
            "telephone_number": "989-892-9341",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "113 N Washington St",
            "address_purpose": "LOCATION",
            "city": "Oxford",
            "state": "MI",
            "postal_code": "483714670",
            "country_code": "US",
            "telephone_number": "248-969-9500",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "306 N Gould St",
            "address_purpose": "LOCATION",
            "city": "Owosso",
            "state": "MI",
            "postal_code": "488672417",
            "country_code": "US",
            "telephone_number": "989-723-3882",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "GMOS ORAL SURGERY, PC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-01-29",
        "last_updated": "2026-01-29",
        "certification_date": "2026-01-29",
        "status": "A",
        "authorized_official_last_name": "LESNESKI",
        "authorized_official_first_name": "ROBERT",
        "authorized_official_middle_name": "C.",
        "authorized_official_title_or_position": "DOCTOR/CEO",
        "authorized_official_telephone_number": "989-892-9341",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "DDS"
    },
    "taxonomies": [
        {
            "code": "1223S0112X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Dentist, Oral and Maxillofacial Surgery",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Flint, MI

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 29, 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.