Doctor profile · Federal record

Dr. Colin Sigmund, OD

Optometrist (CMS: Optometry) · Green Bay, WI

  • NPI 1811568850
  • Accepts Medicare
  • 5 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1543 Park Pl Ste 400
Green Bay, WI 543041970
(920) 497-0100
Mailing address
115 E Walnut St Apt 710
Green Bay, WI 543014226

Credentials & registration

NPPES · NUCC
NPI registered
July 2021 — 5 yrs on file
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
Wisconsin #3691

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1811568850. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
162
Distinct HCPCS
7
Medicare allowed
$16,086
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 44 31 $85
92014 Established patient complete exam of visual system 33 33 $121
92004 New patient complete exam of visual system 18 18 $144
92133 Imaging of optic nerve 18 18 $34
99214 Established patient office or other outpatient visit, 30-39 minutes 17 15 $121
92134 Imaging of retina 16 13 $38
99204 New patient office or other outpatient visit, 45-59 minutes 16 16 $156

In context: peer comparison

Among 10 peers in this city , average services per provider: 49. This provider delivers 3.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$301
Transactions
9
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Tarsus Pharmaceuticals, Inc. 2 $139.64
Oyster Point Pharma, Inc. 3 $59.29
SUN PHARMACEUTICAL INDUSTRIES INC. 2 $45.44
Astellas Pharma US Inc 1 $32.14
Alcon Vision LLC 1 $24.26

By nature of payment

Food and Beverage
$301

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
161
Patients
40
Total drug cost
$9,113
Drug Type Claims Patients Total cost
Latanoprost Generic 54 17 $1,591
Timolol Maleate Generic 31 11 $320
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 19 0 $639
Prednisolone Acetate Generic 15 12 $721
Rocklatan (Netarsudil Mesylat/Latanoprost) Brand 15 0 $5,174
Brimonidine Tartrate Generic 14 0 $198
Valacyclovir (Valacyclovir Hcl) Brand 13 0 $469

Frequently asked questions

Auto-generated from federal data
What is Dr. Colin Sigmund's medical specialty?
Dr. Colin Sigmund practices Optometrist in Green Bay, WI.
Where does Dr. Colin Sigmund practice?
Dr. Colin Sigmund practices at 1543 Park Pl Ste 400, Green Bay, WI 543041970. Office phone: 9204970100.
What is Dr. Colin Sigmund's NPI?
Dr. Colin Sigmund's National Provider Identifier (NPI) is 1811568850, issued by NPPES.
Does Dr. Colin Sigmund accept Medicare assignment?
Yes. Dr. Colin Sigmund accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Colin Sigmund commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient complete exam of visual system (HCPCS 92014); New patient complete exam of visual system (HCPCS 92004). Source: CMS Medicare Physician & Other Practitioners file.