Are you Mark S. Lum, PsyD? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 1801 E Heim Ave, Suite 204, Orange, CA 92865
About Dr. Lum
Mark S. Lum, PsyD is a psychologist — clinical based in Orange, CA. The provider's National Provider Identifier (NPI) is 1083648752.
Factual summary compiled by Guide.md from public records; not written by this provider.
Specialty
Credentials & Licensing
Contact Information
- (714) 282-9713
- Email not available
Practice Locations
1801 E HEIM AVE SUITE 204
Orange, CA 92865
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 3
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Common questions
What kind of doctor is Mark S. Lum?
Mark S. Lum is a psychologist in Orange, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychologist — Clinical”.
NPI registry
What is Mark S. Lum's address?
Mark S. Lum is listed at 1801 E Heim Ave Suite 204, Orange, CA 92865. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Mark S. Lum?
The number on file is (714) 282-9713. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Mark S. Lum's NPI number?
Mark S. Lum's National Provider Identifier is 1083648752. 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 Mark S. Lum been practicing?
Mark S. Lum has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Has Mark S. Lum confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Mark S. Lum. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.