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Optometry

Kate L. Trinh, OD

Sees patients in Coolidge, AZ · Casa Grande, AZ · Arizona

Summary

Dr. Kate L. Trinh, OD is an optometrist at 371 W Central, Coolidge, AZ 85128. Phone: (520) 723-3000. Accepts Medicare assignment. In 2024, Kate L. Trinh had 452 Original Medicare patients and 904 services. NPI 1043773708. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Optometrist (Medicare lists Optometry)
  • Address: 371 W Central, Coolidge, AZ 85128 · Directions (1 more location)
  • Phone: (520) 723‑3000
  • Medicare: Accepts Medicare assignment
  • Group practice: Southwestern Eye Center Ltd
  • Optometry school: Southern California College Of Optometry · graduated 2019 (7 years since optometry school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Kate L. Trinh, 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 Kate L. Trinh accept Medicare assignment?
Yes. Medicare's clinician data says Kate L. Trinh 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 Kate L. Trinh see?
In 2024, CMS data shows 452 Original Medicare patients and 904 services for Kate L. Trinh. This counts Original Medicare only and measures volume, not quality.
What is Kate L. Trinh's NPI number?
1043773708. 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 Kate L. Trinh, 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 patients452
Services billed to Medicare904
Different services or procedures18
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Established patient complete exam of visual system (92014)201 services
  2. Imaging of retina (92134)141 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)119 services
  4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)115 services
  5. New patient complete exam of visual system (92004)79 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 cholesterol74%
  • High blood pressure68%
  • Arthritis41%
  • Diabetes35%
  • Ischemic heart disease25%
  • Chronic kidney disease23%

Practice locations

Addresses where Kate L. Trinh is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Kate L. Trinh as a member of this group (CMS data updated October 2, 2026).

  • Southwestern Eye Center Ltd116 clinicians in the group

Specialties

Find other clinicians: Optometry, Arizona →

Other optometrists in Arizona

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

All optometrists in Arizona →

Other clinicians in Southwestern Eye Center Ltd

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

Clinician information

CredentialOD
Optometry schoolSouthern California College Of Optometry
Graduation year2019 (7 years since optometry school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1043773708
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