Doctor profile · Federal record

Dr. Marcellus Chow, OD

Optometrist · San Francisco, CA

  • NPI 1194890012
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3201 Mission St
San Francisco, CA 941105006
(415) 648-3600
fax (415) 648-0719

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
December 30, 2021
Specialty taxonomy
152W00000X — NUCC code
State license (1)
California #12033T

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1194890012. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$134
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Oyster Point Pharma, INC. 1 $117.83
RxSight INC 1 $15.86

By nature of payment

Food and Beverage
$134

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
361
Patients
97
Total drug cost
$6,532
Drug Type Claims Patients Total cost
Latanoprost Generic 173 76 $2,634
Dorzolamide Hcl Generic 81 21 $2,013
Timolol Maleate Generic 29 0 $451
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 26 0 $524
Levobunolol Hcl Generic 25 0 $534
Erythromycin (Erythromycin Base) Brand 15 0 $229
Brimonidine Tartrate Generic 12 0 $146

Frequently asked questions

Auto-generated from federal data
What is Dr. Marcellus Chow's medical specialty?
Dr. Marcellus Chow practices Optometrist in San Francisco, CA.
Where does Dr. Marcellus Chow practice?
Dr. Marcellus Chow practices at 3201 Mission St, San Francisco, CA 941105006. Office phone: 4156483600.
What is Dr. Marcellus Chow's NPI?
Dr. Marcellus Chow's National Provider Identifier (NPI) is 1194890012, issued by NPPES.