Moonyoung S. Chung, MD

Medicare activity in 2024

Official CMS public-use data for Moonyoung S. 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.

Most frequent services

1. Established patient complete exam of visual system (92014)415 services
2. Imaging of retina (92134)294 services
3. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)131 services
4. Imaging of optic nerve (92133)128 services
5. Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)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 pressure73%
• High cholesterol70%
• Arthritis45%
• Diabetes40%
• Ischemic heart disease26%
• Anxiety26%

Hospitals where Moonyoung S. Chung works

Medicare's Facility Affiliation Data lists Moonyoung S. Chung at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

• MyMichigan Medical Center MidlandMidland, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 230222

Practice locations

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

• 2393 Schust RdSaginaw, MI 48603 (989) 793‑2820
• 407 W Wackerly StMidland, MI 48640 (989) 793‑2820

Group practices

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

• Great Lakes Eye Institute13 clinicians in the group

Specialties

• Ophthalmologyprimary

Find other Ophthalmology doctors in Michigan →

Other ophthalmologists in Saginaw

Clinicians with the same Medicare primary specialty in Saginaw, MI — not a recommendation.

• Scott M. Vandenbelt, MD
• Eric S. Collier, DO
• Christopher N. Singh, MD
• Daniel J. Lin, MD
• Sundhar R. Ramasamy, MD
• Melanie L. Mihlstin, MD
• Miriam T. Schteingart, MD
• Nicholas D. Shokoohi, MD

All ophthalmologists in Saginaw →

Other clinicians in Great Lakes Eye Institute

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

• Scott M. Vandenbelt, MD
• Patrick J. Bell, OD
• Nicholas D. Shokoohi, MD
• Donald B. Darnell, OD
• Farhad K. Shokoohi, MD
• Jennifer L. Smalley-Huber, OD

Clinician information

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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians