Doctor profile · Federal record

Dr. Nicholas Chan, OD

Optometrist (CMS: Optometry) · San Mateo, CA

  • NPI 1407870074
  • Accepts Medicare
  • MIPS 85.3 / 100 · 2023
  • 25 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
228 E 3Rd Ave
San Mateo, CA 944014015
(415) 713-0674

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
April 2, 2012
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
California #11614
Medicaid
AZ #SD0116140

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1407870074. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
72
Distinct HCPCS
3
Medicare allowed
$4,764
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 47 45 $75
92012 Established patient problem focused exam of visual system 13 13 $59
99212 Established patient office or other outpatient visit, 10-19 minutes 12 11 $40

In context: peer comparison

Among 9 peers in San Mateo Optometrist, average services per provider: 52. This provider delivers 1.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
788
Patients
252
Total drug cost
$45,204
Drug Type Claims Patients Total cost
Latanoprost Generic 373 128 $9,746
Brimonidine Tartrate Generic 140 48 $15,120
Timolol Maleate Generic 137 47 $3,166
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 52 11 $1,373
Azelastine Hcl Generic 31 18 $1,813
Dorzolamide Hcl Generic 29 0 $980
Cosopt Pf (Dorzolamide/Timolol/Pf) Brand 13 0 $3,138
Restasis (Cyclosporine) Brand 13 0 $9,867

Frequently asked questions

Auto-generated from federal data
What is Dr. Nicholas Chan's medical specialty?
Dr. Nicholas Chan practices Optometrist in San Mateo, CA.
Where does Dr. Nicholas Chan practice?
Dr. Nicholas Chan practices at 228 E 3Rd Ave, San Mateo, CA 944014015. Office phone: 4157130674.
What is Dr. Nicholas Chan's NPI?
Dr. Nicholas Chan's National Provider Identifier (NPI) is 1407870074, issued by NPPES.
Does Dr. Nicholas Chan accept Medicare assignment?
Yes. Dr. Nicholas Chan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nicholas Chan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient problem focused exam of visual system (HCPCS 92012); Established patient office or other outpatient visit (HCPCS 99212). Source: CMS Medicare Physician & Other Practitioners file.