Doctor profile · Federal record

Dr. Timothy Chou, M.D.

Ophthalmology Physician (CMS: Ophthalmology) · Stony Brook, NY

  • NPI 1588669469
  • Accepts Medicare
  • MIPS 91.4 / 100 · 2023
  • 42 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Suny Stony Brk, Hsc L2, Room 152
Stony Brook, NY 117940001
(631) 444-1448
fax (631) 444-1543

Credentials & registration

NPPES · NUCC
NPI registered
June 2005 — 21 yrs on file
Profile last updated
November 20, 2008
Year of graduation
1984 — 42 yrs since
Specialty taxonomy
207W00000X — NUCC code
State license (1)
New York #197291
Medicaid
NY #02630582

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1588669469. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,001
Distinct HCPCS
10
Medicare allowed
$257,951
HCPCS Description Services Patients Avg allowed
92012 Established patient problem focused exam of visual system 520 315 $106
92014 Established patient complete exam of visual system 447 421 $147
92136 Measurement of corneal curvature and depth of eye 237 228 $53
92133 Imaging of optic nerve 148 138 $42
92025 Ct scan of cornea 105 97 $41
66984 Removal of cataract with insertion of prosthetic lens 94 70 $631
92004 New patient complete exam of visual system 84 83 $174
83861 Microfluid analysis of tears 81 41 $22
92083 Exam of visual field with extended testing 74 63 $74
92202 Extended exam of the back part of the eye with optic nerve drawing 71 70 $18

In context: peer comparison

Among 1 peers in this city , average services per provider: 125. This provider delivers 16× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,278
Transactions
49
Manufacturers
12
Payer (manufacturer) Industry Txns Amount
Mallinckrodt Hospital Products Inc. 12 $373.01
Oyster Point Pharma, Inc. 9 $227.89
Tarsus Pharmaceuticals, Inc. 4 $111.75
Bausch & Lomb Americas Inc. 5 $105.34
Alcon Vision LLC 4 $94.51
ABBVIE INC. 3 $83.41
Harrow Eye, LLC 3 $77.68
Dompe US, Inc. 2 $56.68
BIOTISSUE HOLDINGS INC. 2 $46.60
SUN PHARMACEUTICAL INDUSTRIES INC. 2 $37.12
Ocular Therapeutix, Inc. 2 $33.55
ANI Pharmaceuticals, Inc. 1 $30.30

By nature of payment

Food and Beverage
$1,278

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
777
Patients
401
Total drug cost
$318,527
Drug Type Claims Patients Total cost
Prednisolone Acetate Generic 124 87 $6,467
Latanoprost Generic 93 37 $1,689
Restasis (Cyclosporine) Brand 77 37 $122,128
Erythromycin (Erythromycin Base) Brand 74 40 $1,661
Brimonidine Tartrate Generic 64 36 $3,501
Xiidra (Lifitegrast) Brand 63 28 $131,589
Neomycin-Polymyxin-Dexameth (Neomycin/Polymyxin B/Dexametha) Brand 62 35 $811
Ofloxacin Generic 41 35 $676
Ketorolac Tromethamine Generic 34 25 $1,349
Cyclosporine Generic 31 18 $21,960

Frequently asked questions

Auto-generated from federal data
What is Dr. Timothy Chou's medical specialty?
Dr. Timothy Chou practices Ophthalmology Physician in Stony Brook, NY.
Where does Dr. Timothy Chou practice?
Dr. Timothy Chou practices at Suny Stony Brk, Stony Brook, NY 117940001. Office phone: 6314441448.
What is Dr. Timothy Chou's NPI?
Dr. Timothy Chou's National Provider Identifier (NPI) is 1588669469, issued by NPPES.
Does Dr. Timothy Chou accept Medicare assignment?
Yes. Dr. Timothy Chou accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Timothy Chou commonly perform?
Top Medicare-reported procedures in 2023: Established patient problem focused exam of visual system (HCPCS 92012); Established patient complete exam of visual system (HCPCS 92014); Measurement of corneal curvature and depth of eye (HCPCS 92136). Source: CMS Medicare Physician & Other Practitioners file.