Active NPI
Gmos Oral Surgery, PC
- Oral and Maxillofacial Surgery (Dentist)
- Flint, MI
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Oral and Maxillofacial Surgery (Dentist)
- 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
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) | Code | License | State | Primary |
|---|---|---|---|---|
| Oral and Maxillofacial Surgery (Dentist) | 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 DirectoryLocations
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.
-
- Oral and Maxillofacial Surgery (Dentist)
- Owosso, MI
- NPI 1467609719
-
- Oral & Maxillofacial Surgery (D.M.D.)
- Harrison, AR
- NPI 1487829420
Oral and Maxillofacial Surgery
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.