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

Nancy E. Siskowic, NP, CNS

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1114133576

Nancy E. Siskowic, NP, CNS is a Psychiatric/Mental Health Nurse Practitioner in Rolling Hills Estates, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2007
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.
CNS — Clinical Nurse Specialist
An advanced practice nurse specialising in a patient population or setting.

See every abbreviation used in this directory →

Practice location Address checks out

608 Silver Spur Rd Ste 270
Rolling Hills Estates, CA 90274-3602
Phone: (310) 872-4640
Fax: (310) 375-8415
Show map & directions

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

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence RN139580 (CA)

Record details

NPI number1114133576
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP , CNS
Sole proprietorYes
NPI enumeratedMay 15, 2007
Last updated in NPPESJuly 8, 2007
Mailing address720 Via Somonte, Palos Verdes Estates, CA 90274-1629