Active NPI
Ross Marnock, DO
- Family Medicine Physician
- Charleston, SC
National Provider Identifier
1154165488
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Medicine Physician
- License
- LL92472
- Practice address
- 650 Ellis Oak Dr
Charleston, SC 29412-3089 - Phone
- (843) 876-7080
- NPI assigned
- Jun 21, 2024
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Family Medicine Physician | 207Q00000X | LL92472 | SC | Primary |
| General Practice Physician | 208D00000X | 92472 | SC |
Addresses
Primary practice location
650 Ellis Oak Dr
Charleston, SC 29412-3089
Mailing address
169 Ashley Avenuie Room 202 Main Hospital MSC 333
Charleston, SC 29425-0001
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in SC
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- General Practice
- Education
- Other, 2024
- Medicare assignment
- May accept Medicare assignment
Practice addresses (Care Compare)
4055 Valley View LN
Suite 700
Dallas, TX 75244-4910
4055 Valley View LN
Suite 700
Dallas, TX 75244-5045
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Osteopathy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| LL92472 | SC | MD | Family Medicine Physician |
| 92472 | SC | MD | General Practice Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Signify Health Medical Associates, PLLC | General Practice | Current | Accepting new patients |
Locations
2 Office Park Ct
Ste 103
Columbia, SC 29223
Phone (256) 497-0032
4055 Valley View Ln
Ste 400
Dallas, TX 75244
Phone (469) 466-7037
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 and National Provider Directory roles.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1718928000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1765152000000",
"number": "1154165488",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "169 ASHLEY AVENUIE ROOM 202 MAIN HOSPITAL MSC 333",
"city": "CHARLESTON",
"state": "SC",
"postal_code": "294250001"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "650 ELLIS OAK DR",
"city": "CHARLESTON",
"state": "SC",
"postal_code": "294123089",
"telephone_number": "843-876-7080"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MARNOCK",
"first_name": "ROSS",
"credential": "DO",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2024-06-21",
"last_updated": "2025-12-08",
"certification_date": "2025-12-08",
"status": "A"
},
"taxonomies": [
{
"code": "207Q00000X",
"taxonomy_group": "",
"desc": "Family Medicine",
"state": "SC",
"license": "LL92472",
"primary": true
},
{
"code": "208D00000X",
"taxonomy_group": "",
"desc": "General Practice",
"state": "SC",
"license": "92472",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Charleston, SC
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 8, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.