Doctor profile · Federal record
Dr. Irving Gan, O.D.
Optometrist (CMS: Optometry) · Frederick, MD
- NPI 1679792683
- Accepts Medicare
- 29 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
8925 Fingerboard RD, Suite E
Frederick, MD 217048163
(301) 810-5104
fax (301) 810-5105
Credentials & registration
- NPI registered
- April 2007 — 19 yrs on file
- Profile last updated
- May 27, 2010
- Year of graduation
- 1997 — 29 yrs since
- Specialty taxonomy
- 152W00000X — NUCC code
- State license (1)
- Maryland #TA1469
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1679792683. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$121
Transactions
5
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| CooperVision Inc. | 3 | $89.80 | |
| Johnson & Johnson Vision Care, Inc. | 2 | $31.65 |
By nature of payment
Frequently asked questions
What is Dr. Irving Gan's medical specialty?
Dr. Irving Gan practices Optometrist in Frederick, MD.
Where does Dr. Irving Gan practice?
Dr. Irving Gan practices at 8925 Fingerboard RD, Frederick, MD 217048163. Office phone: 3018105104.
What is Dr. Irving Gan's NPI?
Dr. Irving Gan's National Provider Identifier (NPI) is 1679792683, issued by NPPES.
Does Dr. Irving Gan accept Medicare assignment?
Yes. Dr. Irving Gan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.