Active NPI
Cynthia S Ross, MD
- Radiation Oncology Physician
- Little Rock, AR
National Provider Identifier
1649266347
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Radiation Oncology Physician
- License
- C6148
- Practice address
- Carti Markham and University
Little Rock, AR 72205 - Phone
- (501) 296-3273
- Fax
- (501) 664-8721
- NPI assigned
- Sep 27, 2005
- Sex
- Female
- 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 |
|---|---|---|---|---|
| Radiation Oncology Physician | 2085R0001X | C6148 | AR | Primary |
Addresses
Primary practice location
Carti Markham and University
Little Rock, AR 72205
Mailing address
PO Box 56409
Little Rock, AR 72215-6409
Phone (501) 296-3273
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)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| C6148 | AR | MD | Radiation Oncology Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1127779200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1649266347",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 56409",
"city": "LITTLE ROCK",
"state": "AR",
"postal_code": "722156409",
"telephone_number": "501-296-3273",
"fax_number": "501-664-8721"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "CARTI MARKHAM AND UNIVERSITY",
"city": "LITTLE ROCK",
"state": "AR",
"postal_code": "72205",
"telephone_number": "501-296-3273",
"fax_number": "501-664-8721"
}
],
"practiceLocations": [],
"basic": {
"last_name": "ROSS",
"first_name": "CYNTHIA",
"middle_name": "S",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2005-09-27",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "2085R0001X",
"taxonomy_group": "",
"desc": "Radiology, Radiation Oncology",
"state": "AR",
"license": "C6148",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Little Rock, AR
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.