Active NPI
Robert Earl Walker, MD
- Ophthalmology Physician
- Oak Ridge, TN
National Provider Identifier
1609860386
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Ophthalmology Physician
- License
- MD0000009233
- Practice address
- 90 Vermont Ave
The Eye Center of Oak Ridge PC
Oak Ridge, TN 37830-6478 - Phone
- (865) 482-8890
- Fax
- (865) 482-7400
- NPI assigned
- Sep 8, 2005
- 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 |
|---|---|---|---|---|
| Ophthalmology Physician | 207W00000X | MD0000009233 | TN | Primary |
Addresses
Primary practice location
90 Vermont Ave
The Eye Center of Oak Ridge PC
Oak Ridge, TN 37830-6478
Mailing address
90 Vermont Ave
The Eye Center of Oak Ridge PC
Oak Ridge, TN 37830-6478
Phone (865) 482-8890
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 3183402 | Medicaid | TN |
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 |
|---|---|---|---|
| MD0000009233 | TN | MD | Ophthalmology Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1126137600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1609860386",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "90 VERMONT AVE",
"address_2": "THE EYE CENTER OF OAK RIDGE PC",
"city": "OAK RIDGE",
"state": "TN",
"postal_code": "378306478",
"telephone_number": "865-482-8890",
"fax_number": "865-482-7400"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "90 VERMONT AVE",
"address_2": "THE EYE CENTER OF OAK RIDGE PC",
"city": "OAK RIDGE",
"state": "TN",
"postal_code": "378306478",
"telephone_number": "865-482-8890",
"fax_number": "865-482-7400"
}
],
"practiceLocations": [],
"basic": {
"last_name": "WALKER",
"first_name": "ROBERT",
"middle_name": "EARL",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2005-09-08",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "207W00000X",
"taxonomy_group": "",
"desc": "Ophthalmology",
"state": "TN",
"license": "MD0000009233",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "3183402",
"state": "TN"
}
],
"endpoints": [],
"other_names": []
}Other providers in Oak Ridge, TN
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.