Doctor profile · Federal record

Dr. Chee Tan, M.D., PH.D.

Ophthalmology Physician (CMS: Ophthalmology) · Pasadena, CA

  • NPI 1346263357
  • Accepts Medicare
  • MIPS 75.9 / 100 · 2023
  • 33 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
625 S Fair Oaks Ave, Suite 285
Pasadena, CA 911052613
(626) 817-4747
fax (626) 817-4748
Mailing address
800 Fairmount Ave, Suite 215
Pasadena, CA 911053150

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
January 16, 2015
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207W00000X — NUCC code
State license (1)
California #A111014

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1346263357. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,153
Distinct HCPCS
10
Medicare allowed
$261,011
HCPCS Description Services Patients Avg allowed
92014 Established patient complete exam of visual system 656 518 $143
92012 Established patient problem focused exam of visual system 562 279 $102
92133 Imaging of optic nerve 222 183 $40
92083 Exam of visual field with extended testing 157 144 $72
92134 Imaging of retina 143 129 $46
92250 Photography of the retina 88 83 $42
92136 Measurement of corneal curvature and depth of eye 87 55 $53
66984 Removal of cataract with insertion of prosthetic lens 66 44 $595
92020 Exam of the internal drainage system of eye 47 34 $31
65855 Laser repair to improve eye fluid flow 43 33 $274

In context: peer comparison

Among 17 peers in this city , average services per provider: 112. This provider delivers 19× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$22
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Alcon Vision LLC 1 $22.06

By nature of payment

Food and Beverage
$22

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,181
Patients
482
Total drug cost
$60,445
Drug Type Claims Patients Total cost
Latanoprost Generic 403 120 $7,924
Prednisolone Acetate Generic 156 95 $6,090
Diclofenac Sodium Generic 121 74 $1,232
Ofloxacin Generic 110 90 $1,408
Timolol Maleate Generic 108 41 $1,441
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 95 34 $2,662
Brimonidine Tartrate Generic 92 28 $2,285
Travoprost Generic 26 0 $5,648
Tafluprost (Tafluprost/Pf) Brand 23 0 $4,711
Restasis (Cyclosporine) Brand 19 0 $21,204

Frequently asked questions

Auto-generated from federal data
What is Dr. Chee Tan's medical specialty?
Dr. Chee Tan practices Ophthalmology Physician in Pasadena, CA.
Where does Dr. Chee Tan practice?
Dr. Chee Tan practices at 625 S Fair Oaks Ave, Pasadena, CA 911052613. Office phone: 6268174747.
What is Dr. Chee Tan's NPI?
Dr. Chee Tan's National Provider Identifier (NPI) is 1346263357, issued by NPPES.
Does Dr. Chee Tan accept Medicare assignment?
Yes. Dr. Chee Tan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Chee Tan commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Established patient problem focused exam of visual system (HCPCS 92012); Imaging of optic nerve (HCPCS 92133). Source: CMS Medicare Physician & Other Practitioners file.