Doctor profile · Federal record

Dr. Timothy Corgan, O.D.

Optometrist (CMS: Optometry) · Optometrist · Marinette, WI

  • NPI 1790731743
  • Accepts Medicare
  • 30 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1400 University Dr, Suite 101
Marinette, WI 541435105
(715) 732-4181

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
March 7, 2023
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
152W00000X — NUCC code
State licenses (2)
Wisconsin #2655-035 · Michigan #4901003841
Medicaid
WI #38597500

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1790731743. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,107
Distinct HCPCS
10
Medicare allowed
$48,233
HCPCS Description Services Patients Avg allowed
66984 Removal of cataract with insertion of prosthetic lens 2,519 16 $1
92014 Established patient complete exam of visual system 163 163 $108
92250 Photography of the retina 78 56 $35
92083 Exam of visual field with extended testing 77 45 $60
92133 Imaging of optic nerve 77 56 $35
99213 Established patient office or other outpatient visit, 20-29 minutes 65 50 $85
99214 Established patient office or other outpatient visit, 30-39 minutes 54 35 $120
92134 Imaging of retina 30 27 $39
92004 New patient complete exam of visual system 27 27 $133
99212 Established patient office or other outpatient visit, 10-19 minutes 17 17 $53

In context: peer comparison

Among 1 peers in this city , average services per provider: 310. This provider delivers 10× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$18
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Johnson & Johnson Vision Care, Inc. 1 $17.57

By nature of payment

Food and Beverage
$18

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
496
Patients
123
Total drug cost
$22,932
Drug Type Claims Patients Total cost
Latanoprost Generic 241 61 $7,732
Timolol Maleate Generic 133 49 $1,404
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 34 0 $1,382
Brimonidine Tartrate Generic 30 13 $767
Dorzolamide Hcl Generic 16 0 $758
Levobunolol Hcl Generic 16 0 $295
Brimonidine Tartrate-Timolol (Brimonidine Tartrate/Timolol) Brand 13 0 $5,043
Combigan (Brimonidine Tartrate/Timolol) Brand 13 0 $5,552

Frequently asked questions

Auto-generated from federal data
What is Dr. Timothy Corgan's medical specialty?
Dr. Timothy Corgan practices Optometrist in Marinette, WI.
Where does Dr. Timothy Corgan practice?
Dr. Timothy Corgan practices at 1400 University Dr, Marinette, WI 541435105. Office phone: 7157324181.
What is Dr. Timothy Corgan's NPI?
Dr. Timothy Corgan's National Provider Identifier (NPI) is 1790731743, issued by NPPES.
Does Dr. Timothy Corgan accept Medicare assignment?
Yes. Dr. Timothy Corgan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Timothy Corgan commonly perform?
Top Medicare-reported procedures in 2023: Removal of cataract with insertion of prosthetic lens (HCPCS 66984); Established patient complete exam of visual system (HCPCS 92014); Photography of the retina (HCPCS 92250). Source: CMS Medicare Physician & Other Practitioners file.