MOONYOUNG S CHUNG (M.D.) – Ophthalmology Physician, NPI 1689685463
Ophthalmology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
844 OPHTHALMOLOGY in MI
Provider Addresses for MOONYOUNG S CHUNG (M.D.)
345 N State St
Caro, MI 487231537
Phone: (989) 872-3800
Fax: (989) 755-1463
Type: Location
800 Woodside Ave
Bay City, MI 487085468
Phone: (989) 892-6616
Fax: (989) 755-1463
Type: Location
406 W Genesee St
Frankenmuth, MI 487341335
Phone: (989) 652-2020
Fax: (989) 755-1463
Type: Location
623 W Warwick Dr
Alma, MI 488011177
Phone: (989) 463-1126
Fax: (989) 755-1463
Type: Location
407 W Wackerly St
Midland, MI 486402739
Phone: (989) 631-1345
Fax: (989) 755-1463
Type: Location
1671 E US 23
East Tawas, MI 487309302
Phone: (989) 362-4401
Fax: (989) 755-1463
Type: Location
Great Lakes Eye Institute, 2393, Schust Road, Saginaw Charter Township, Saginaw County, Michigan, 48603, United States
SAGINAW, MI 486031334
Phone: (989) 793-2820
Fax: (989) 755-1463
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 17 Open Payments records for all available years, with a total value of $541.
Total Amount is formed as General ($541) + Research ($0) + Ownership ($0) = $541.
Last reported payment date: 2024-11-21 • Largest payer in this snapshot: Alcon Vision LLC ($143).
Total Amount
$541
General + Research + Ownership
Payments
17
Total payment records
General Amount
$541
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-21
Latest reported date
Top Companies
Largest payers in this snapshot
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2004-04-27
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20040427000394 | I | Ophthalmology | MI | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 92014 | Established patient complete exam of visual system | 432 | 422 | $0 |
| 92134 | Imaging of retina | 265 | 238 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 191 | 191 | $0 |
| 92133 | Imaging of optic nerve | 149 | 145 | $0 |
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | 91 | 72 | $0 |
Insurance plans in this area (ZIP 48723)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| OPHTHALMOLOGY | MI | 92012 | Eye and medical examination for diagnosis and treatment, established patient | 98 | 73 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| O P T O M E T R Y | MI | |
| O P H T H A L M O L O G Y | MI | |
| O P H T H A L M O L O G Y | MI | |
| O P T O M E T R Y | MI | |
| O P H T H A L M O L O G Y | MI | |
| O P T O M E T R Y | MI | |
| O P H T H A L M O L O G Y | MI | |
| O P H T H A L M O L O G Y | MI | |
| O P H T H A L M O L O G Y | MI | |
| O P H T H A L M O L O G Y | MI |
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