Gregory M. Macik, OD
Optometrist · Willmar, MN
Gregory M. Macik, OD is an optometrist with a practice address in Willmar, Minnesota, and NPI 1922004514, issued on Jun 28, 2005. Check the license (Minnesota MN2973, as entered in NPPES) with the Minnesota board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregory M. Macik
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- MN2973 MN
Self-reported in NPPES; status is on the state search - Practice location
- 101 Willmar Ave SW, Willmar, MN 56201
- Phone
- (320) 231-5000
- Enumerated
- Jun 28, 2005
- Record last updated
- Mar 28, 2023
- Fax
- (220) 231-5067
- Medicaid ID
- 650127300 MN
- Medicare enrollment
- Enrolled (PECOS I20041108001215); accepts Medicare assignment
- Medical or professional school
- Southern College Of Optometry, 2004
- Entity
- Type 1 · individual
8 nearest optometrist records → All 1,142 in Minnesota → Look up another NPI →
Also registered at 101 Willmar Ave SW
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Scott Abrams, M.D.Family Medicine Physician1265498430
- Yasin AhmedPhysician Assistant1760103345
- Katherine AndersonPharmacist1730798760
- Michael Anderson, MDInternal Medicine Physician1760459127
- Norris Anderson, MDFamily Medicine Physician1598732893
- James Andresen, PHYSICAL THERAPISTPhysical Therapist1386708907
Verify Gregory M. Macik in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Minnesota board licenses this profession
Search for license MN2973Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.1 times the Medicare Part D claims of the average optometrist in 2024
1,143 Medicare Part D claims for 327 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.
Most prescribed
- Latanoprost552 claims
- Dorzolamide-Timolol186 claims
- Timolol Maleate98 claims
- Lumigan50 claims
- Prednisolone Acetate34 claims
- Dorzolamide Hcl31 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.
Bills Medicare through one group practice
- Centracare Clinic Southwest LLCWillmar, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory M. Macik among 1,142 optometrist records in Minnesota
Gregory M. Macik, 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
- Graduated2004 · median 2008 among the 778 with a school on file
- Record last updated2023 · 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).
10 optometrist records list a practice address in Willmar
They are 10 of the 805 NPPES records with a practice address in Willmar, and 1,142 optometrist records in Minnesota.
All 1,142 in Minnesota → Every provider in Willmar → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Jared Fairbanks, O.D.Willmar, MN 562011881031524
- Jennifer Fairbanks, O.DWillmar, MN 562011386081065
- Shane JahrausWillmar, MN 562011366752248
- Jonathan Larson, ODWillmar, MN 562011912061458
- Thomas Mueller, ODWillmar, MN 562011285602888
- Sam Skoviera, ODWillmar, MN 562011912018128
- Whitney Stock, ODWillmar, MN 562011073004289
- Bruce Watland, ODWillmar, MN 562011902872658
Common questions
What is Gregory M. Macik, OD's NPI number?
Gregory M. Macik, OD's National Provider Identifier (NPI) is 1922004514, issued on Jun 28, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gregory M. Macik, OD located?
The NPPES record lists a practice address at 101 Willmar Ave SW, Willmar, MN, 56201. Phone: (320) 231-5000. Providers update this record themselves, so call before visiting.
How can I verify Gregory M. Macik, OD's license?
NPPES lists Minnesota license number MN2973, as entered by the provider. Search the Minnesota board that licenses this profession; the NPPES record confirms identity only.
How much does Gregory M. Macik, OD prescribe under Medicare Part D?
In 2024, Gregory M. Macik, OD had 1,143 Medicare Part D claims for 327 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.