Doctor profile · Federal record

Dr. Brian Chen, M.D.

Ophthalmology Physician (CMS: Ophthalmology) · Internal Medicine Physician · Ophthalmology Physician · Ophthalmology Physician · Glaucoma Specialist (Ophthalmology) Physician · San Gabriel, CA

  • NPI 1952631632
  • Accepts Medicare
  • MIPS 75.0 / 100 · 2023
  • 17 yrs in practice
  • Licensed in 3 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
207 S Santa Anita St Ste P25
San Gabriel, CA 917761145
(626) 284-8448

Credentials & registration

NPPES · NUCC
NPI registered
January 2010 — 16 yrs on file
Profile last updated
August 7, 2020
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207W00000X — NUCC code
State licenses (4)
California #127719 · Pennsylvania #MT195228 · Florida #TRN19262 · California #A127719

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1952631632. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,162
Distinct HCPCS
10
Medicare allowed
$345,605
HCPCS Description Services Patients Avg allowed
92014 Established patient complete exam of visual system 594 578 $141
99214 Established patient office or other outpatient visit, 30-39 minutes 374 232 $138
92133 Imaging of optic nerve 353 340 $41
76514 Ultrasound scan of cornea to determine thickness 305 276 $12
92020 Exam of the internal drainage system of eye 290 283 $31
92083 Exam of visual field with extended testing 273 269 $71
99213 Established patient office or other outpatient visit, 20-29 minutes 226 203 $98
92136 Measurement of corneal curvature and depth of eye 214 142 $47
92250 Photography of the retina 131 130 $42
92134 Imaging of retina 114 114 $45

In context: peer comparison

Among 4 peers in San Gabriel Ophthalmology Physician, average services per provider: 190. This provider delivers 17× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$453
Transactions
8
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 4 $203.97
Glaukos Corporation 1 $178.05
Alcon Vision LLC 2 $43.99
Amgen INC. 1 $26.97

By nature of payment

Food and Beverage
$453

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
7,469
Patients
2,656
Total drug cost
$644,006
Drug Type Claims Patients Total cost
Latanoprost Generic 2,178 416 $30,518
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 872 211 $29,890
Prednisolone Acetate Generic 818 513 $55,025
Ketorolac Tromethamine Generic 769 473 $28,718
Ofloxacin Generic 768 488 $11,104
Brimonidine Tartrate Generic 711 200 $18,846
Timolol Maleate Generic 314 92 $5,555
Restasis (Cyclosporine) Brand 243 59 $188,507
Lumigan (Bimatoprost) Brand 164 44 $81,565
Dorzolamide Hcl Generic 163 40 $5,185

Frequently asked questions

Auto-generated from federal data
What is Dr. Brian Chen's medical specialty?
Dr. Brian Chen practices Ophthalmology Physician in San Gabriel, CA.
Where does Dr. Brian Chen practice?
Dr. Brian Chen practices at 207 S Santa Anita St Ste P25, San Gabriel, CA 917761145. Office phone: 6262848448.
What is Dr. Brian Chen's NPI?
Dr. Brian Chen's National Provider Identifier (NPI) is 1952631632, issued by NPPES.
Does Dr. Brian Chen accept Medicare assignment?
Yes. Dr. Brian Chen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Brian Chen commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Established patient office or other outpatient visit (HCPCS 99214); Imaging of optic nerve (HCPCS 92133). Source: CMS Medicare Physician & Other Practitioners file.