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

Ilana Withop, NP

Individual provider Nurse Practitioner · NPI 1154374361

Ilana Withop, NP is a Nurse Practitioner in San Francisco, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
Specialties on file
2
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

See every abbreviation used in this directory →

Practice location Address checks out

400 Parnassus Ave
San Francisco, CA 94143-2202
Phone: (415) 353-2771
Fax: (415) 353-2657
Show map & directions

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

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence NP 11701 (CA)
Registered Nurse Taxonomy 163W00000X · Licence NP 11701 (CA)

Record details

NPI number1154374361
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedMay 18, 2006
Last updated in NPPESJuly 13, 2026

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