Chien C. Ou, MD
Ophthalmology Physician · Lewisburg, PA
Chien C. Ou, MD is an ophthalmology physician with a practice address in Lewisburg, Pennsylvania, and NPI 1790916385, issued on Jul 31, 2009. Check the license (Pennsylvania MD448876, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Chien C. Ou
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- MD448876 PA
Self-reported in NPPES; status is on the state search - Practice location
- 137 Jpm RD, Lewisburg, PA 17837
- Phone
- (866) 995-3937
- Enumerated
- Jul 31, 2009
- Record last updated
- Feb 10, 2026
- Fax
- (570) 966-5586
- Medicaid ID
- 102854464 PA
- Medicare enrollment
- Enrolled (PECOS I20131014001431); accepts Medicare assignment
- Medical or professional school
- Ohio State University College Of Medicine, 2009
- Entity
- Type 1 · individual
Also registered at 137 Jpm RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Donnel Apuzzio, PA-CPhysician Assistant1598734303
- Patricia Braunegg, CRNPAdult Health Nurse Practitioner1710110200
- Rachel Fritz Kishel, ODOptometrist1245646561
- Scott Hartzell, MDOphthalmology Physician1528163466
- Jerry Hensel, ODOptometrist1851488126
- Carol Keller, PA-CPhysician Assistant1811098346
Verify Chien C. Ou in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD448876Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% more Medicare Part D claims than the average ophthalmology physician in 2024
2,977 Medicare Part D claims for 656 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.
Most prescribed
- Latanoprost846 claims
- Dorzolamide-Timolol345 claims
- Brimonidine Tartrate277 claims
- Prednisolone Acetate273 claims
- Timolol Maleate271 claims
- Ofloxacin195 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $378.31
4 payments; by number, the most common kind was food and beverage; the largest payer was RxSight Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Bernstein, Hilliker, Hartzell Eye Center, LLPLewisburg, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ophthalmology Physician providers in Pennsylvania
There are 1,088 ophthalmology physician records in Pennsylvania.
Other ophthalmology physician records in Pennsylvania
- Omar Abbasi, MDPittsburgh, PA1598967630
- Javaneh Abbasian, M.DPhiladelphia, PA1790951036
- Salwa Abdel-Aziz, MDPittsburgh, PA1295961043
- Michael Abendroth, MDPhiladelphia, PA1750743498
- Mouhammed Abuattieh, MDWilkes Barre, PA1790931186
- Luis Acaba-BerrocalPhiladelphia, PA1336768852
- Stacey Ackerman, MDPhiladelphia, PA1508868498
- Wesley Adams, M.D.Williamsport, PA1184809956
- Houman Ahdieh, M.D.Allentown, PA1659371060
- Christopher Ahmed, MDPhiladelphia, PA1013647577
Common questions
What is Chien C. Ou, MD's NPI number?
Chien C. Ou, MD's National Provider Identifier (NPI) is 1790916385, issued on Jul 31, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Chien C. Ou, MD located?
The NPPES record lists a practice address at 137 Jpm RD, Lewisburg, PA, 17837. Phone: (866) 995-3937. Providers update this record themselves, so call before visiting.
How can I verify Chien C. Ou, MD's license?
NPPES lists Pennsylvania license number MD448876, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Chien C. Ou, MD prescribe under Medicare Part D?
In 2024, Chien C. Ou, MD had 2,977 Medicare Part D claims for 656 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Chien C. Ou, MD's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.