Are you Mark D. Calayag, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 200 S Manchester Ave, Suite 210, Orange, CA 92868
About Dr. Calayag
Mark D. Calayag, M.D. practices child neurology in Orange, CA. Mark is also listed as specializing in neurological surgery. The provider's National Provider Identifier (NPI) is 1336373901.
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) 456-6966
- Email not available
Practice Locations
200 S MANCHESTER AVE SUITE 210
Orange, CA 92868
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.
Common questions
What is Mark D. Calayag's specialty?
Mark D. Calayag is a child neurology in Orange, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Mark D. Calayag?
Mark D. Calayag is listed at 200 S Manchester Ave Suite 210, Orange, CA 92868. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Mark D. Calayag?
The number on file is (714) 456-6966. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Mark D. Calayag?
Mark D. Calayag's National Provider Identifier is 1336373901. 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 much experience does Mark D. Calayag have?
Mark D. Calayag has 17+ years experience. Registered with an NPI since 2009. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Is Mark D. Calayag's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Mark D. Calayag. If this is you, claiming it is free.
Guide.md
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