Zachary Dirks, O.D.
NPI 1366640377 · Optometrist · Saint Peter, MN
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zachary Dirks, O.D. is a Optometrist provider in Saint Peter, MN (NPI 1366640377).
Provider details
- NPI number
- 1366640377
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 3080 (MN)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,300 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 1,796 | $1 |
| Established Patient Complete Exam of Visual System92014 | 163 | $124 |
| Photography of the Retina92250 | 89 | $36 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 77 | $124 |
| Exam of Visual Field With Extended Testing92083 | 46 | $63 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 39 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 182 | 43 |
| Timolol Maleate | 69 | 15 |
| Erythromycin Basebrand: Erythromycin | 41 | 18 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 33 | — |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 28 | 21 |
| Brimonidine Tartrate | 21 | — |
| Bimatoprostbrand: Lumigan | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$69 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-07-11
- Last updated
- 2008-02-29
Frequently asked questions
- What is Zachary Dirks's NPI number?
- Zachary Dirks's National Provider Identifier (NPI) is 1366640377, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zachary Dirks's specialty?
- Zachary Dirks is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Zachary Dirks located?
- Zachary Dirks's practice location on file with NPPES is 320 Sunrise Dr, Saint Peter, MN 56082-1352.
- What is Zachary Dirks's phone number?
- The practice phone number listed in the NPPES registry for Zachary Dirks is (507) 931-6436.
- Does Zachary Dirks accept Medicare?
- Zachary Dirks is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zachary Dirks's NPI active?
- Yes — Zachary Dirks's NPI (1366640377) is active in the NPPES registry as of the last update on 2008-02-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.