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Optometry

Zachary Willits, OD

Sees patients in Ontario, OR · Oregon

Summary

Dr. Zachary Willits, OD is an optometrist at 350 E Ln S, Ontario, OR 97914. Phone: (541) 889-2020. Accepts Medicare assignment. In 2024, Zachary Willits had 424 Original Medicare patients and 986 services. NPI 1578170387. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Optometrist (Medicare lists Optometry)
  • Address: 350 E Ln S, Ontario, OR 97914 · Directions
  • Phone: (541) 889‑2020
  • Medicare: Accepts Medicare assignment
  • Group practice: Family Eye Center PA
  • Optometry school: Pacific University - College Of Optometry · graduated 2020 (6 years since optometry school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Zachary Willits, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Zachary Willits accept Medicare assignment?
Yes. Medicare's clinician data says Zachary Willits 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 Willits see?
In 2024, CMS data shows 424 Original Medicare patients and 986 services for Zachary Willits. This counts Original Medicare only and measures volume, not quality.
What is Zachary Willits's NPI number?
1578170387. 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 Willits, 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 patients424
Services billed to Medicare986
Different services or procedures11
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Established patient complete exam of visual system (92014)348 services
  2. Photography of the retina (92250)260 services
  3. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)127 services
  4. Removal of cataract with insertion of prosthetic lens (66984)86 services
  5. Exam of visual field with extended testing (92083)58 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 blood pressure68%
  • High cholesterol56%
  • Arthritis38%
  • Diabetes29%
  • Ischemic heart disease17%
  • Depression16%

Practice locations

Addresses where Zachary Willits is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Zachary Willits as a member of this group (CMS data updated October 2, 2026).

  • Family Eye Center PA6 clinicians in the group

Specialties

Find other clinicians: Optometry, Oregon →

Other optometrists in Ontario

Clinicians with the same Medicare primary specialty in Ontario, OR — not a recommendation.

All optometrists in Ontario →

Other clinicians in Family Eye Center PA

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialOD
Optometry schoolPacific University - College Of Optometry
Graduation year2020 (6 years since optometry school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1578170387
CorrectionsReport 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

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians