Colin James Sigmund, OD
Optometrist · Green Bay, WI
Colin James Sigmund, OD is an optometrist with a practice address in Green Bay, Wisconsin, and NPI 1811568850, issued on Jul 9, 2021. Check the license (Wisconsin 3691, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Colin James Sigmund
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 3691 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1543 Park PL Ste 400, Green Bay, WI 54304
- Phone
- (920) 497-0100
- Enumerated
- Jul 9, 2021
- Record last updated
- Jul 9, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210909002497); accepts Medicare assignment
- Medical or professional school
- Indiana University - School Of Optometry, 2021
- Entity
- Type 1 · individual
8 nearest optometrist records → All 1,161 in Wisconsin → Look up another NPI →
Verify Colin James Sigmund in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 3691Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% more Medicare Part D claims than the average optometrist in 2024
319 Medicare Part D claims for 92 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 39% of claims.
Most prescribed
- Latanoprost70 claims
- Timolol Maleate36 claims
- Prednisolone Acetate32 claims
- Brimonidine Tartrate28 claims
- Dorzolamide-Timolol25 claims
- Tyrvaya13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $300.77
9 payments; by number, the most common kind was food and beverage; the largest payer was Tarsus Pharmaceuticals, Inc. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Valley Eye AssociatesAppleton, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Colin James Sigmund among 1,161 optometrist records in Wisconsin
Colin James Sigmund, OD is one of 1,161 optometrist records with a practice address in Wisconsin. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 87% of them.
- NPI issued2021 · 87% of these records are older, 11% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2021 · median 2008 among the 752 with a school on file
- Record last updated2021 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Optometrist providers in Wisconsin
There are 1,161 optometrist records in Wisconsin.
All 1,161 in Wisconsin → Every provider in Green Bay → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Teresa ElmGreen Bay, WI 543041124113402
- James Elm, O.D.Green Bay, WI 543041053479147
- James Fornes , Od, O.D.Green Bay, WI 543041265484042
- Thomas Hanseter, O.D.Green Bay, WI 543041306943972
- Jessica Hilbert, O.D.Green Bay, WI 543041922440429
- Craig Keller, O.D.Green Bay, WI 543041780971499
- Kyle Klika, O.D.Green Bay, WI 543041205090990
- Katie Kyles, ODGreen Bay, WI 543041962278747
Common questions
What is Colin James Sigmund, OD's NPI number?
Colin James Sigmund, OD's National Provider Identifier (NPI) is 1811568850, issued on Jul 9, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Colin James Sigmund, OD located?
The NPPES record lists a practice address at 1543 Park PL Ste 400, Green Bay, WI, 54304. Phone: (920) 497-0100. Providers update this record themselves, so call before visiting.
How can I verify Colin James Sigmund, OD's license?
NPPES lists Wisconsin license number 3691, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Colin James Sigmund, OD prescribe under Medicare Part D?
In 2024, Colin James Sigmund, OD had 319 Medicare Part D claims for 92 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.