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Edit this profileAt a glance
- 1101 Welch Rd, Suite A-2, Palo Alto, CA 94304
About Dr. Mak
Hailen Mak, MD practices allergy in Palo Alto, CA. The provider's National Provider Identifier (NPI) is 1225083868.
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
- (650) 322-3847
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
1101 WELCH RD SUITE A-2
Palo Alto, CA 94304
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 allergy specialists at this location 1
Same specialty, same street address — most likely the same department or group.
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 allergy specialists in Palo Alto 2
Same specialty, same city.
Common questions
What does Dr. Mak specialize in?
Dr. Mak is an allergy in Palo Alto, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Dr. Mak located?
Dr. Mak is listed at 1101 Welch Rd Suite A-2, Palo Alto, CA 94304. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Mak's phone number?
The number on file is (650) 322-3847. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Mak's NPI number?
Dr. Mak's National Provider Identifier is 1225083868. 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. Mak been practicing?
Dr. Mak 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 Dr. Mak confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Mak. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.