Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Hailen Mak, MD

Individual provider Allergy Physician · NPI 1225083868

Dr. Hailen Mak, MD is an Allergy Physician in Palo Alto, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1101 Welch Rd Ste A-2
Palo Alto, CA 94304-1924
Phone: (650) 322-3847
Fax: (650) 322-3249
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Allergy Physician (primary) Taxonomy 207KA0200X · Licence G29821 (CA)

Record details

NPI number1225083868
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 23, 2006
Last updated in NPPESJuly 8, 2007

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