Doctor profile · Federal record

Dr. Timothy Walker, OD

Optometrist (CMS: Optometry) · Grand Blanc, MI

  • NPI 1265928717
  • Accepts Medicare
  • 8 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
11225 S Saginaw St
Grand Blanc, MI 484391285
(810) 694-3937

Credentials & registration

NPPES · NUCC
NPI registered
July 2018 — 8 yrs on file
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
Michigan #4901005136

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1265928717. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
277
Distinct HCPCS
7
Medicare allowed
$21,080
HCPCS Description Services Patients Avg allowed
92014 Established patient complete exam of visual system 54 54 $119
99213 Established patient office or other outpatient visit, 20-29 minutes 54 46 $86
92250 Photography of the retina 47 47 $35
92083 Exam of visual field with extended testing 39 33 $58
92133 Imaging of optic nerve 34 29 $32
99214 Established patient office or other outpatient visit, 30-39 minutes 30 29 $114
92012 Established patient problem focused exam of visual system 19 19 $84

In context: peer comparison

Among 4 peers in Grand Blanc Optometrist, average services per provider: 35. This provider delivers 7.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$111
Transactions
6
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Sun Pharmaceutical Industries INC. 3 $54.12
Abbvie INC. 1 $23.80
Bausch & Lomb Americas INC. 1 $18.68
Alcon Vision LLC 1 $14.51

By nature of payment

Food and Beverage
$111

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
229
Patients
44
Total drug cost
$67,150
Drug Type Claims Patients Total cost
Latanoprost Generic 121 44 $3,642
Lumigan (Bimatoprost) Brand 21 0 $13,750
Timolol Maleate Generic 19 0 $537
Brimonidine Tartrate Generic 16 0 $2,936
Restasis Multidose (Cyclosporine) Brand 15 0 $17,475
Xiidra (Lifitegrast) Brand 13 0 $10,745
Cyclosporine Generic 12 0 $7,287
Restasis (Cyclosporine) Brand 12 0 $10,777

Frequently asked questions

Auto-generated from federal data
What is Dr. Timothy Walker's medical specialty?
Dr. Timothy Walker practices Optometrist in Grand Blanc, MI.
Where does Dr. Timothy Walker practice?
Dr. Timothy Walker practices at 11225 S Saginaw St, Grand Blanc, MI 484391285. Office phone: 8106943937.
What is Dr. Timothy Walker's NPI?
Dr. Timothy Walker's National Provider Identifier (NPI) is 1265928717, 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 99213); Photography of the retina (HCPCS 92250). Source: CMS Medicare Physician & Other Practitioners file.