Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Justin Duong-Mac, OD

Individual provider Optometrist · NPI 1568089738

Justin Duong-Mac, OD is an Optometry in San Francisco, California. Graduated from University of California - School of Optometry in 2020, 6 years ago. Practices with Permanente Medical Group Inc, a 10,941-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
6
Trained at
University of California - School of Optometry
Licensed in
CA
In the registry since
2020
What do these letters mean?
OD — Doctor of Optometry
An optometrist: examines eyes, prescribes glasses and contacts, and treats many eye conditions.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

4150 Clement St
San Francisco, CA 94121-1563
Phone: (415) 221-4810
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 34538 (CA)

Record details

NPI number1568089738
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorYes
NPI enumeratedJuly 2, 2020
Last updated in NPPESJuly 3, 2020
Certification dateJuly 3, 2020
Mailing address4150 Clement St, San Francisco, CA 94121-1563

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOPTOMETRY
Medical schoolUNIVERSITY OF CALIFORNIA - SCHOOL OF OPTOMETRY
Graduated 2020 (6 years in practice)
Group practice Permanente Medical Group Inc — 10941 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in San Francisco