Active NPI
Mark T Karnes, DO
- Gynecology Physician
- Muskegon, MI
National Provider Identifier
1013912237
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Gynecology Physician
- License
- MK008760
- Practice address
- 1775 Wells Ave
Muskegon, MI 49442-2459 - Phone
- (231) 773-9048
- Fax
- (231) 777-1218
- NPI assigned
- Jun 15, 2005
- Last updated
- Jul 13, 2026
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Gynecology Physician | 207VG0400X | MK008760 | MI | Primary |
Addresses
Primary practice location
1775 Wells Ave
Muskegon, MI 49442-2459
Mailing address
1775 Wells Ave
Muskegon, MI 49442-2459
Phone (231) 773-9048
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 Osteopathy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| MK008760 | MI | MD | Gynecology Physician |
Organizations & group practices 1
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
- Specialist
- Muskegon, MI
- NPI 1366478026
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1118793600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1013912237",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1775 WELLS AVE",
"city": "MUSKEGON",
"state": "MI",
"postal_code": "494422459",
"telephone_number": "231-773-9048",
"fax_number": "231-777-1218"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1775 WELLS AVE",
"city": "MUSKEGON",
"state": "MI",
"postal_code": "494422459",
"telephone_number": "231-773-9048",
"fax_number": "231-777-1218"
}
],
"practiceLocations": [],
"basic": {
"last_name": "KARNES",
"first_name": "MARK",
"middle_name": "T",
"name_prefix": "Dr.",
"credential": "DO",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2005-06-15",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "207VG0400X",
"taxonomy_group": "",
"desc": "Obstetrics & Gynecology, Gynecology",
"state": "MI",
"license": "MK008760",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Muskegon, MI
Sources for this page
- 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.