Doctor profile · Federal record

Dr. Kolby Knox, O.D.

Optometrist (CMS: Optometry) · Zanesville, OH

  • NPI 1346680576
  • 13 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2008 Maple Ave
Zanesville, OH 437012240
(740) 454-8581
fax (740) 454-8810

Credentials & registration

NPPES · NUCC
NPI registered
July 2013 — 13 yrs on file
Profile last updated
July 20, 2020
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
Ohio #6208
Medicaid
OH #0088357

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1346680576. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
246
Distinct HCPCS
7
Medicare allowed
$16,817
HCPCS Description Services Patients Avg allowed
92014 Established patient complete exam of visual system 98 98 $85
99212 Established patient office or other outpatient visit, 10-19 minutes 37 31 $52
92134 Imaging of retina 31 31 $38
92004 New patient complete exam of visual system 25 25 $93
99213 Established patient office or other outpatient visit, 20-29 minutes 21 20 $74
92083 Exam of visual field with extended testing 17 15 $58
92133 Imaging of optic nerve 17 17 $34

In context: peer comparison

Among 6 peers in Zanesville Optometrist, average services per provider: 46. This provider delivers 5.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$28
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Lombart Brothers, INC. 1 $28.41

By nature of payment

Food and Beverage
$28

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
158
Patients
47
Total drug cost
$2,041
Drug Type Claims Patients Total cost
Timolol Maleate Generic 74 16 $534
Latanoprost Generic 64 13 $1,237
Neomycin-Polymyxin-Dexameth (Neomycin/Polymyxin B/Dexametha) Brand 20 18 $270

Frequently asked questions

Auto-generated from federal data
What is Dr. Kolby Knox's medical specialty?
Dr. Kolby Knox practices Optometrist in Zanesville, OH.
Where does Dr. Kolby Knox practice?
Dr. Kolby Knox practices at 2008 Maple Ave, Zanesville, OH 437012240. Office phone: 7404548581.
What is Dr. Kolby Knox's NPI?
Dr. Kolby Knox's National Provider Identifier (NPI) is 1346680576, issued by NPPES.
Does Dr. Kolby Knox accept Medicare assignment?
Dr. Kolby Knox does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Kolby Knox commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Established patient office or other outpatient visit (HCPCS 99212); Imaging of retina (HCPCS 92134). Source: CMS Medicare Physician & Other Practitioners file.