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Ophthalmology

Paul Y. Chung, MD

Sees patients in Great Falls, MT · Tualatin, OR · Chehalis, WA … · Montana, Oregon, Washington

Summary

Dr. Paul Y. Chung, MD is an ophthalmologist at 1621 Market Place Dr, Great Falls, MT 59404. Phone: (406) 454-2202. Accepts Medicare assignment. In 2024, Paul Y. Chung had 1,245 Original Medicare patients and 3,456 services. NPI 1306953617. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Ophthalmologist (Medicare lists Ophthalmology)
  • Address: 1621 Market Place Dr, Great Falls, MT 59404 · Directions (3 more locations)
  • Phone: (406) 454‑2202
  • Medicare: Accepts Medicare assignment
  • Group practice: Pacific Cataract and Laser Institute Inc PC
  • Medical school: Loma Linda University School Of Medicine · graduated 1991 (35 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Paul Y. Chung, 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 Paul Y. Chung accept Medicare assignment?
Yes. Medicare's clinician data says Paul Y. Chung 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 Paul Y. Chung see?
In 2024, CMS data shows 1,245 Original Medicare patients and 3,456 services for Paul Y. Chung. This counts Original Medicare only and measures volume, not quality.
What is Paul Y. Chung's NPI number?
1306953617. 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 Paul Y. Chung, 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 patients1,245
Services billed to Medicare3,456
Different services or procedures31
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Measurement of corneal curvature and depth of eye (92136)1,927 services
  2. Removal of cataract with insertion of prosthetic lens (66984)1,073 services
  3. Extracapsular removal of cataract with insertion of artificial lens and insertion of drainage device in front chamber of eye (66991)124 services
  4. Complex removal of cataract with insertion of prosthetic lens (66982)75 services
  5. Removal of recurring cataract in lens capsule using a laser (66821)69 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 pressure65%
  • High cholesterol62%
  • Arthritis36%
  • Diabetes24%
  • Ischemic heart disease18%
  • Chronic kidney disease16%

Practice locations

Addresses where Paul Y. Chung is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Paul Y. Chung as a member of this group (CMS data updated October 2, 2026).

  • Pacific Cataract and Laser Institute Inc PC74 clinicians in the group

Specialties

Find other Ophthalmology doctors in Montana →

Other ophthalmologists in Great Falls

Clinicians with the same Medicare primary specialty in Great Falls, MT — not a recommendation.

All ophthalmologists in Great Falls →

Other clinicians in Pacific Cataract and Laser Institute Inc PC

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

Clinician information

CredentialMD
Medical schoolLoma Linda University School Of Medicine
Graduation year1991 (35 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1306953617
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