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

Joanne M. Seitz, RNC, NP

Individual provider Women's Health Nurse Practitioner · NPI 1457356230

Joanne M. Seitz, RNC, NP is a Women's Health Nurse Practitioner in Castro Valley, California. Licensed in California. Registered with an NPI since 2005.

Licensed in
CA
In the registry since
2005
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

19845 Lake Chabot Rd Ste 302
Castro Valley, CA 94546-4055
Phone: (510) 886-3400
Fax: (510) 886-0861
Show map & directions

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

Specialties & licences

Women's Health Nurse Practitioner (primary) Taxonomy 363LW0102X · Licence 384671 (CA)

Record details

NPI number1457356230
Entity typeIndividual (Type 1)
GenderFemale
Credentials RNC , NP
Sole proprietorNo
NPI enumeratedJune 17, 2005
Last updated in NPPESJuly 13, 2026