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

Katherine Ohanlan, MD

Individual provider Gynecologic Oncology Physician · NPI 1467486407

Katherine Ohanlan, MD is a Gynecologic Oncology Physician in Portola Valley, 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

4370 Alpine Rd Ste 104
Portola Valley, CA 94028-7952
Phone: (650) 851-6669
Fax: (650) 851-9747
Show map & directions

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

Specialties & licences

Gynecologic Oncology Physician (primary) Taxonomy 207VX0201X · Licence G70108 (CA)

Record details

NPI number1467486407
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 10, 2006
Last updated in NPPESMarch 27, 2013