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Optometry

Justin Treat, OD

Sees patients in Marysville, CA · Yuba City, CA · California

Summary

Dr. Justin Treat, OD is an optometrist at 1114 Yuba St, Suite 220, Marysville, CA 95901. Phone: (530) 749-3242. Accepts Medicare assignment. In 2024, Justin Treat had 692 Original Medicare patients and 8,540 services. NPI 1316553886. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Optometrist (Medicare lists Optometry)
  • Address: 1114 Yuba St, Suite 220, Marysville, CA 95901 · Directions (5 more locations)
  • Phone: (530) 749‑3242
  • Medicare: Accepts Medicare assignment
  • Group practice: Peach Tree Healthcare (+1 more)
  • Optometry school: New England 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 Justin Treat, 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 Justin Treat accept Medicare assignment?
Yes. Medicare's clinician data says Justin Treat 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 Justin Treat see?
In 2024, CMS data shows 692 Original Medicare patients and 8,540 services for Justin Treat. This counts Original Medicare only and measures volume, not quality.
What is Justin Treat's NPI number?
1316553886. 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 Justin Treat, 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 patients692
Services billed to Medicare8,540
Different services or procedures18
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Microfluid analysis of tears (83861)2,850 services
  2. Closure of tear duct opening using plug (68761)2,138 services
  3. Established patient problem focused exam of visual system (92012)929 services
  4. Imaging of optic nerve (92133)455 services
  5. Imaging of retina (92134)396 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 pressure75%
  • High cholesterol75%
  • Diabetes47%
  • Arthritis40%
  • Chronic kidney disease24%
  • Ischemic heart disease23%

Practice locations

Addresses where Justin Treat is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.

  • 1114 Yuba St, Suite 220Marysville, CA 95901
  • 120 5th St, Rm 1Marysville, CA 95901 (530) 749‑3242
  • 320 H St, Suite 4Marysville, CA 95901 (530) 743‑1873
  • 5600 Lindhurst AveMarysville, CA 95901 (530) 749‑3242
  • 5730 Packard Ave, Suite 500Marysville, CA 95901

Group practices

Medicare enrollment lists Justin Treat as a member of these groups (CMS data updated October 2, 2026).

  • Peach Tree Healthcare33 clinicians in the group
  • Ridge Eye Care Inc20 clinicians in the group

Specialties

Find other clinicians: Optometry, California →

Other optometrists in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

All optometrists in California →

Other clinicians in Peach Tree Healthcare

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

Clinician information

CredentialOD
Optometry schoolNew England 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)1316553886
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