Quick answers
- Where does Gregory M. Macik see patients?
- Medicare's clinician data lists 2 practice locations, including Willmar, MN and New London, MN. Call before your visit to confirm the address.
- What is Gregory M. Macik's specialty?
- Medicare lists Optometry as the primary specialty.
- Does Gregory M. Macik accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory M. Macik accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Gregory M. Macik?
- (320) 231-5000, as listed in official Medicare / NPI Registry data.
- What is Gregory M. Macik's NPI number?
- 1922004514. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Gregory M. Macik is enrolled with Medicare (CMS data updated 2026-10-02).
- 1604 1st St SWillmar, MN 56201 (320) 231‑5000
- 600 Peterson PkwyNew London, MN 56273 (320) 354‑2222
Group practices
Medicare enrollment lists Gregory M. Macik as a member of this group (CMS data updated 2026-10-02).
- CentraCare Clinic Southwest LLC170 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Willmar
Clinicians with the same Medicare primary specialty in Willmar, MN — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Medical school | Southern College Of Optometry |
| Graduation year | 2004 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1922004514 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians