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

Dr. Irving Gan, OD

Individual provider Optometrist · NPI 1679792683

Dr. Irving Gan, OD is an Optometry in Frederick, Maryland. Graduated from Pennsylvania College of Optometry in 1997, 29 years ago. Accepts Medicare assignment. Licensed in Maryland.

Years since qualifying
29
Trained at
Pennsylvania College of Optometry
Licensed in
MD
In the registry since
2007
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

8925 Fingerboard Rd Ste E
Frederick, MD 21704-8163
Phone: (301) 810-5104
Fax: (301) 810-5105
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 TA1469 (MD)

Record details

NPI number1679792683
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorNo
NPI enumeratedApril 25, 2007
Last updated in NPPESMay 27, 2010

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolPENNSYLVANIA COLLEGE OF OPTOMETRY
Graduated 1997 (29 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Frederick