Doctor profile · Federal record

Dr. Timothy Walker, O.D.

Optometrist (CMS: Optometry) · Duncan, OK

  • NPI 1275641359
  • Accepts Medicare
  • 34 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1601 W Jones Ave
Duncan, OK 735331731
(580) 255-7399
fax (580) 255-7879

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
February 20, 2008
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
Oklahoma #2086

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1275641359. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
509
Distinct HCPCS
5
Medicare allowed
$57,662
HCPCS Description Services Patients Avg allowed
92014 Established patient complete exam of visual system 289 279 $116
99214 Established patient office or other outpatient visit, 30-39 minutes 94 62 $119
99213 Established patient office or other outpatient visit, 20-29 minutes 69 41 $84
92004 New patient complete exam of visual system 34 34 $138
66984 Removal of cataract with insertion of prosthetic lens 23 13 $100

In context: peer comparison

Among 3 peers in Duncan Optometrist, average services per provider: 75. This provider delivers 6.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
121
Patients
29
Total drug cost
$2,086
Drug Type Claims Patients Total cost
Latanoprost Generic 55 0 $927
Neomycin-Polymyxin-Dexameth (Neomycin/Polymyxin B/Dexametha) Brand 44 29 $619
Azelastine Hcl Generic 11 0 $418
Timolol Maleate Generic 11 0 $121

Frequently asked questions

Auto-generated from federal data
What is Dr. Timothy Walker's medical specialty?
Dr. Timothy Walker practices Optometrist in Duncan, OK.
Where does Dr. Timothy Walker practice?
Dr. Timothy Walker practices at 1601 W Jones Ave, Duncan, OK 735331731. Office phone: 5802557399.
What is Dr. Timothy Walker's NPI?
Dr. Timothy Walker's National Provider Identifier (NPI) is 1275641359, issued by NPPES.
Does Dr. Timothy Walker accept Medicare assignment?
Yes. Dr. Timothy Walker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Timothy Walker 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 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.