Timothy Young Chou, M.D.
Ophthalmology Physician · Stony Brook, NY
Timothy Young Chou, M.D. is an ophthalmology physician with a practice address in Stony Brook, New York, and NPI 1588669469, issued on Jun 16, 2005. Check the license (New York 197291, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Timothy Young Chou
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 197291 NY
Self-reported in NPPES; status is on the state search - Practice location
- Suny Stony Brk, Stony Brook, NY 11794
- Phone
- (631) 444-1448
- Enumerated
- Jun 16, 2005
- Record last updated
- Nov 20, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (631) 444-1543
- Medicaid ID
- 02630582 NY
- Medicare enrollment
- Enrolled (PECOS I20040819000825); accepts Medicare assignment
- Medical or professional school
- Uniformed Services Uhs Fe Hebert School Of Med, 1984
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 1,822 in New York → Look up another NPI →
Also registered at Suny Stony Brk
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jacob Cho, MDStudent in an Organized Health Care Education/Training Program1922441039
- Jacqueline Skarre, N.P.Adult Health Nurse Practitioner1578869897
Verify Timothy Young Chou in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 197291Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% fewer Medicare Part D claims than the average ophthalmology physician in 2024
1,196 Medicare Part D claims for 392 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 51% of claims.
Most prescribed
- Prednisolone Acetate145 claims
- Latanoprost85 claims
- Brimonidine Tartrate74 claims
- Restasis72 claims
- Miebo69 claims
- Cyclosporine65 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.
The MIPS final score for 2023 (Medicare payment program): 98.5 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,277.84
49 payments; by number, the most common kind was food and beverage; the largest payer was Mallinckrodt Hospital Products 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
- Stony Brook Ophthalmology, University Faculty Practice CorporationStony Brook, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Timothy Young Chou among 1,822 ophthalmology physician records in New York
Timothy Young Chou, M.D. is one of 1,822 ophthalmology physician records with a practice address in New York. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 84% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1984 · median 1995 among the 1,215 with a school on file
- Record last updated2008 · 71% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in New York
There are 1,822 ophthalmology physician records in New York.
All 1,822 in New York → Every provider in Stony Brook → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Nataliya Antonova, MDWantagh, NY 117931902300296
- Jonathan Benjamin, M.D.Wantagh, NY 117931558332072
- Jason Flicker, M.D.Wantagh, NY 117931528039286
- Pauline Lask, MDWantagh, NY 117931528099926
- Gregory Persak, M.D.West Islip, NY 117951952372245
- Alexander Rabinovich, MDWest Islip, NY 117951245411743
- Eva Raparia, MDWantagh, NY 117931669836102
- Carolyn Shih, M.D.Wantagh, NY 117931093935413
Common questions
What is Timothy Young Chou, M.D.'s NPI number?
Timothy Young Chou, M.D.'s National Provider Identifier (NPI) is 1588669469, issued on Jun 16, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Timothy Young Chou, M.D. located?
The NPPES record lists a practice address at Suny Stony Brk, Stony Brook, NY, 11794. Phone: (631) 444-1448. Providers update this record themselves, so call before visiting.
How can I verify Timothy Young Chou, M.D.'s license?
NPPES lists New York license number 197291, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Timothy Young Chou, M.D. prescribe under Medicare Part D?
In 2024, Timothy Young Chou, M.D. had 1,196 Medicare Part D claims for 392 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Timothy Young Chou, M.D.'s MIPS final score?
The 2023 MIPS final score is 98.5 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.