Quick answers
- Does Zachary B. Dirks accept Medicare assignment?
- Yes. Medicare's clinician data says Zachary B. Dirks accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Zachary B. Dirks see?
- In 2024, CMS data shows 239 Original Medicare patients and 2,775 services for Zachary B. Dirks. This counts Original Medicare only and measures volume, not quality.
- What is Zachary B. Dirks's NPI number?
- 1366640377. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Zachary B. Dirks, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 239 |
|---|---|
| Services billed to Medicare | 2,775 |
| Different services or procedures | 23 |
| Participating Medicare provider | Yes |
| Average age of these patients | 68 |
Most frequent services
- Removal of cataract with insertion of prosthetic lens (66984)1,796 services
- Established patient complete exam of visual system (92014)163 services
- Photography of the retina (92250)89 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)77 services
- Exam of visual field with extended testing (92083)46 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol60%
- High blood pressure57%
- Arthritis34%
- Anxiety31%
- Diabetes29%
- Depression27%
Practice locations
Addresses where Zachary B. Dirks is enrolled with Medicare (CMS data updated October 2, 2026).
- 101 Main St S, Suite 103105Le Sueur, MN 56058 (507) 665‑3366
- 168 Commerce Dr EBelle Plaine, MN 56011 (952) 873‑5554
- 168 Commerce E DrBelle Plaine, MN 56011
- 320 Sunrise Dr, Suite ASaint Peter, MN 56082 (507) 931‑6436
Group practices
Medicare enrollment lists Zachary B. Dirks as a member of these groups (CMS data updated October 2, 2026).
- St. Peter Eyecare Center4 clinicians in the group
- Le Sueur Eyecare Center LLC3 clinicians in the group
- Belle Plaine Eyecare Center LLC2 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Minnesota
Clinicians with the same Medicare primary specialty in Minnesota — not a recommendation.
Other clinicians in St. Peter Eyecare Center
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Optometry school | Southern California College Of Optometry |
| Graduation year | 2007 (19 years since optometry school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1366640377 |
| 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 October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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