CHIEN C. OU (MD) – Ophthalmology Physician, NPI 1790916385
Ophthalmology Physician
Main info
Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
1,144 OPHTHALMOLOGY in PA
Provider Addresses for CHIEN C. OU (MD)
137 JPM RD
LEWISBURG, PA 178379313
Phone: (866) 995-3937
Fax: (570) 966-5586
Type: Location
88 HARDEES DR
MIFFLINBURG, PA 178447062
Phone: (570) 538-6002
Fax: (570) 966-5586
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 15 Open Payments records for all available years, with a total value of $653.
Total Amount is formed as General ($653) + Research ($0) + Ownership ($0) = $653.
Last reported payment date: 2024-07-23 • Largest payer in this snapshot: Alcon Vision LLC ($211).
Total Amount
$653
General + Research + Ownership
Payments
15
Total payment records
General Amount
$653
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-07-23
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: 2013-10-14
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 |
|---|---|---|---|---|
| I20131014001431 | I | Ophthalmology | PA | 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 | 1,115 | 870 | $0 |
| 92012 | Established patient problem focused exam of visual system | 480 | 339 | $0 |
| 92133 | Imaging of optic nerve | 417 | 327 | $0 |
| 92134 | Imaging of retina | 401 | 256 | $0 |
| 66984 | Removal of cataract with insertion of prosthetic lens | 264 | 146 | $0 |
Insurance plans in this area (ZIP 17837)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| OPHTHALMOLOGY | PA | 92012 | Eye and medical examination for diagnosis and treatment, established patient | 16 | 15 |
| OPHTHALMOLOGY | PA | 92083 | Measurement of field of vision during daylight conditions | 43 | 38 |
| OPHTHALMOLOGY | PA | 92134 | Diagnostic imaging of retina | 63 | 53 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | PA | |
| O P H T H A L M O L O G Y | PA | |
| O P T O M E T R Y | PA | |
| O P T O M E T R Y | PA | |
| O P T O M E T R Y | PA | |
| - | PA | |
| O P T O M E T R Y | PA | |
| O P H T H A L M O L O G Y | PA | |
| O P H T H A L M O L O G Y | PA | |
| Physician Assistant | PA |
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