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Edit this profileWhere to find Karen Y. Quan, MD, MS
- Orange location main office
101 the City Dr S Bldg 3, Orange, CA 92868 - Orange location
3800 W Chapman Ave Ste 500, Orange, CA 92868 - Santa Ana location
800 N Main St, Santa Ana, CA 92701 - Laguna Hills location
23291 Mill Creek Dr Ste 200, Laguna Hills, CA 92653
About Dr. Quan
Karen Y. Quan, MD, MS is a healthcare provider in Orange, CA specializing in psychiatry. This provider record is associated with NPI 1023713450.
Factual summary compiled by Guide.md from public records; not written by this provider.
Specialty
Credentials & Licensing
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
- (714) 456-5770
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
101 THE CITY DR S BLDG 3
Orange, CA 92868
3800 W Chapman Ave Ste 500
Orange, CA 92868
800 N Main St
Santa Ana, CA 92701
23291 Mill Creek Dr Ste 200
Laguna Hills, CA 92653
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other psychiatrists at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
More connections — 7 related providers in 1 group
Common questions
What kind of doctor is Dr. Quan?
Dr. Quan is a psychiatrist in Orange, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychiatry”.
NPI registry
What is Dr. Quan's address?
Dr. Quan is listed at 101 the City Dr S Bldg 3, Orange, CA 92868. 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. Quan?
The number on file is (714) 456-5770. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Quan's NPI number?
Dr. Quan's National Provider Identifier is 1023713450. 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
How long has Dr. Quan been practicing?
Dr. Quan has 3+ years experience. Registered with an NPI since 2023. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Has Dr. Quan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Quan. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.