Active NPI
Robert Joseph Knox Jr, DDS
- Periodontics
- Greensboro, NC
National Provider Identifier
1982601233
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Periodontics
- License
- 5721
- Practice address
- 301 E Wendover Ave
Suite 315
Greensboro, NC 27401-1230 - Phone
- (336) 379-8377
- Fax
- (336) 275-2078
- NPI assigned
- Jul 1, 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 |
|---|---|---|---|---|
| Periodontics | 1223P0300X | 5721 | NC | Primary |
Addresses
Primary practice location
301 E Wendover Ave
Suite 315
Greensboro, NC 27401-1230
Mailing address
301 E Wendover Ave
Suite 315
Greensboro, NC 27401-1230
Phone (336) 379-8377
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: No
- Hospice: Yes
- Opted out of Medicare
- Yes, effective Aug 4, 2021 through Aug 4, 2027
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 5721 | NC | MD | Periodontist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1120176000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1982601233",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "301 E WENDOVER AVE",
"address_2": "SUITE 315",
"city": "GREENSBORO",
"state": "NC",
"postal_code": "274011230",
"telephone_number": "336-379-8377",
"fax_number": "336-275-2078"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "301 E WENDOVER AVE",
"address_2": "SUITE 315",
"city": "GREENSBORO",
"state": "NC",
"postal_code": "274011230",
"telephone_number": "336-379-8377",
"fax_number": "336-275-2078"
}
],
"practiceLocations": [],
"basic": {
"last_name": "KNOX JR",
"first_name": "ROBERT",
"middle_name": "JOSEPH",
"name_prefix": "Dr.",
"credential": "DDS",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2005-07-01",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "1223P0300X",
"taxonomy_group": "",
"desc": "Dentist, Periodontics",
"state": "NC",
"license": "5721",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Greensboro, NC
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.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring; Opt Out Affidavits.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.