Active NPI
Presson Eye Care, PLLC
Doing business as Karns Vision Center
- Optometrist
- Knoxville, TN
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Optometrist
- License
- 1671
- Legal business name
- PRESSON EYE CARE, PLLC
- Doing business as
- Karns Vision Center
- Practice address
- 7686 Oak Ridge Hwy
Knoxville, TN 37931-3335 - Phone
- (865) 247-7715
- Fax
- (865) 247-7716
- NPI assigned
- Apr 11, 2008
- Last updated
- Sep 9, 2025
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Alan Shane Presson, O.D.
- Title
- Optometrist
- Phone
- (865) 247-5419
Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Optometrist | 152W00000X | 1671 | TN | Primary |
Addresses
Primary practice location
7686 Oak Ridge Hwy
Knoxville, TN 37931-3335
Mailing address
7686 Oak Ridge Hwy
Knoxville, TN 37931-3335
Phone (865) 247-7715
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 1504810 | Medicaid | TN |
Other names 1
- Karns Vision Center
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in TN
Enrollment records 2
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| O20080521000642 | TN | Part B Supplier - Clinic/Group Practice | 9638248354 |
Receives reassigned benefits from 3 practitioners 1 other NPI on this enrollment This NPI is an additional NPI on the enrollment Practice locations: Knoxville, TN |
| O20100930008339 | TN | DME Supplier - Physician - Optometrist | 9638248354 | Practice locations: Knoxville, TN |
Other NPIs with the same Medicare PAC ID 1
NPIs whose Medicare enrollments share a PECOS associate control ID (the same enrolled entity).
Other NPIs on the same Medicare enrollment 1
NPIs listed together on one Medicare enrollment, typically parts of the same organization.
Laboratory certificates & supplier records
Derived by NPIMapThese CMS records do not include an NPI. They are shown because their name and street address match this provider’s.
Medicare medical equipment & supply locations
| Supplier | Supplies | Medicare assignment |
|---|---|---|
| Presson Eye Care, PLLC | Prosthetic Lenses: Conventional Eyeglasses|Prosthetic Lenses: Conventional Contact Lenses|Prosthetic Lenses: Prosthetics Cataract Lenses | Accepts assignment |
National Provider Directory
National Provider Directory- Tax ID family
- Presson Eye Care PLLC
Other organizations with this tax ID 1
Organizations that report the same tax identification number in the National Provider Directory.
-
- Optometrist
- Knoxville, TN
- NPI 1962673889
Locations
7686 Oak Ridge Hwy
Knoxville, TN 37931
Phone (865) 247-7715
Practitioners & affiliated clinicians
Practitioners 4
Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.
-
- Optometrist
- Knoxville, TN
- NPI 1346251584
-
- Optometrist
- Knoxville, TN
- NPI 1679921696
-
- Optometrist
- Knoxville, TN
- NPI 1811828734
-
- Optometrist
- Knoxville, TN
- NPI 1225049380
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1207872000000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1757376000000",
"number": "1649443409",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "7686 OAK RIDGE HWY",
"city": "KNOXVILLE",
"state": "TN",
"postal_code": "379313335",
"telephone_number": "865-247-7715",
"fax_number": "865-247-7716"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "7686 OAK RIDGE HWY",
"city": "KNOXVILLE",
"state": "TN",
"postal_code": "379313335",
"telephone_number": "865-247-7715",
"fax_number": "865-247-7716"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "PRESSON EYE CARE, PLLC",
"organizational_subpart": "NO",
"enumeration_date": "2008-04-11",
"last_updated": "2025-09-09",
"certification_date": "2025-09-09",
"status": "A",
"authorized_official_last_name": "PRESSON",
"authorized_official_first_name": "ALAN",
"authorized_official_middle_name": "SHANE",
"authorized_official_title_or_position": "OPTOMETRIST",
"authorized_official_telephone_number": "865-247-5419",
"authorized_official_credential": "O.D."
},
"taxonomies": [
{
"code": "152W00000X",
"taxonomy_group": "",
"desc": "Optometrist",
"state": "TN",
"license": "1671",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "1504810",
"state": "TN"
}
],
"endpoints": [],
"other_names": [
{
"organization_name": "Karns Vision Center",
"code": "3",
"type": "Doing Business As"
}
]
}
Other providers in Knoxville, TN
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 9, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
- 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.