Moonyoung Chung, M.D.
NPI 1689685463 · Ophthalmology Physician · Saginaw, MI
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Provider details
- NPI number
- 1689685463
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 4301067674 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
7 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,132 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Complete Exam of Visual System92014 | 415 | $117 |
| Imaging of Retina92134 | 294 | $38 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 131 | $161 |
| Imaging of Optic Nerve92133 | 128 | $33 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 58 | $53 |
| Established Patient Problem Focused Exam of Visual System92012 | 54 | $83 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Erythromycin Basebrand: Erythromycin | 637 | 426 |
| Latanoprost | 507 | 157 |
| Prednisolone Acetate | 402 | 356 |
| Brimonidine Tartrate | 247 | 75 |
| Cyclosporinebrand: Restasis | 161 | 70 |
| Doxycycline Hyclate | 152 | 93 |
| Bimatoprostbrand: Lumigan | 140 | 40 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$115 across 6 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (6)
- 623 W Warwick DrAlma, MI 48801-1177Phone: (989) 463-1126Fax: (989) 755-1463
- 800 Woodside AveBay City, MI 48708-5468Phone: (989) 892-6616Fax: (989) 755-1463
- 345 N State StCaro, MI 48723-1537Phone: (989) 872-3800Fax: (989) 755-1463
- 1671 E US 23East Tawas, MI 48730-9302Phone: (989) 362-4401Fax: (989) 755-1463
- 406 W Genesee StFrankenmuth, MI 48734-1335Phone: (989) 652-2020Fax: (989) 755-1463
- 407 W Wackerly StMidland, MI 48640-2739Phone: (989) 631-1345Fax: (989) 755-1463
Registry dates
- Enumerated
- 2006-08-10
- Last updated
- 2023-09-19
- Certified
- 2023-09-19
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.