Dirk S. Colby, OD
Optometrist · Golden Valley, MN
Dirk S. Colby, OD is an optometrist with a practice address in Golden Valley, Minnesota, and NPI 1548266273, issued on Jun 27, 2005. Check the license (Minnesota 2668, as entered in NPPES) with the Minnesota board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Dirk S. Colby
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 2668 MN
Self-reported in NPPES; status is on the state search - Practice location
- 5851 Duluth St, Golden Valley, MN 55422
- Phone
- (763) 546-8422
- Enumerated
- Jun 27, 2005
- Record last updated
- Apr 23, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (763) 546-8114
- Medicaid ID
- 013537200 MN
- Medicare enrollment
- Enrolled (PECOS I20100320000127); accepts Medicare assignment
- Medical or professional school
- Pacific University - College Of Optometry, 1997
- Entity
- Type 1 · individual
8 nearest optometrist records → All 1,142 in Minnesota → Look up another NPI →
Also registered at 5851 Duluth St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Tara Gaffney, MS, LPCMental Health Counselor1619377256
Verify Dirk S. Colby in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Minnesota board licenses this profession
Search for license 2668Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.0 times the Medicare Part D claims of the average optometrist in 2024
1,109 Medicare Part D claims for 286 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.
Most prescribed
- Latanoprost470 claims
- Timolol Maleate192 claims
- Dorzolamide-Timolol116 claims
- Erythromycin41 claims
- Prednisolone Acetate41 claims
- Brimonidine Tartrate34 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- West Metro Ophthalmology PABuffalo, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dirk S. Colby among 1,142 optometrist records in Minnesota
Dirk S. Colby, OD is one of 1,142 optometrist records with a practice address in Minnesota. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1997 · median 2008 among the 778 with a school on file
- Record last updated2013 · 65% 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 Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Optometrist providers in Minnesota
There are 1,142 optometrist records in Minnesota.
All 1,142 in Minnesota → Every provider in Golden Valley → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Andrea Rossow, ODGolden Valley, MN 554221992060594
- Dean Stensrud, ODRobbinsdale, MN 554221720066582
- Andrea Vanmeter, O.D.Golden Valley, MN 554221518221225
- Christopher Bakouris, O.D.Richfield, MN 554231104134196
- Matthew Baumgardner, O.D.Richfield, MN 554231518167576
- Lacy Bindl, O.D.Richfield, MN 554231881956563
- Benjamin Brenner, O.D.Richfield, MN 554231013205871
- Susan Hemann, ODRichfield, MN 554231124407416
Common questions
What is Dirk S. Colby, OD's NPI number?
Dirk S. Colby, OD's National Provider Identifier (NPI) is 1548266273, issued on Jun 27, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Dirk S. Colby, OD located?
The NPPES record lists a practice address at 5851 Duluth St, Golden Valley, MN, 55422. Phone: (763) 546-8422. Providers update this record themselves, so call before visiting.
How can I verify Dirk S. Colby, OD's license?
NPPES lists Minnesota license number 2668, as entered by the provider. Search the Minnesota board that licenses this profession; the NPPES record confirms identity only.
How much does Dirk S. Colby, OD prescribe under Medicare Part D?
In 2024, Dirk S. Colby, OD had 1,109 Medicare Part D claims for 286 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.
What is Dirk S. Colby, OD's MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.