Provider Profile
Erin S. Duncan, OD
Unclaimed ProfileAbout Dr. Duncan
Erin S. Duncan, OD is an optometrist based in San Dimas, CA. Erin is a 2002 graduate of State University of New York - State College Optometry.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (909) 394-5380
- Email not available
Practice Locations
1255 W ARROW HWY
San Dimas, CA 91773
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other optometrists in San Dimas 8
Same specialty, same city.
Trained at State University of New York - State College Optometry 8
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 2002 at State University of New York - State College Optometry 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Dr. Duncan?
Dr. Duncan is an optometrist in San Dimas, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Dr. Duncan's address?
Dr. Duncan is listed at 1255 W Arrow Hwy, San Dimas, CA 91773. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Duncan?
The number on file is (909) 394-5380. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Duncan's NPI number?
Dr. Duncan's National Provider Identifier is 1821191222. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Duncan train?
Dr. Duncan attended State University of New York - State College Optometry, graduating in 2002. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Duncan been practicing?
Dr. Duncan has 24 years experience. Calculated from a graduation year of 2002, reported in the CMS National Downloadable File.
CMS public data
Has Dr. Duncan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Duncan. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.