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

Kristen Nicole Lefstein

Individual provider Primary Care Nurse Practitioner · NPI 1689176109

Kristen Nicole Lefstein is a Nurse Practitioner in Orange, California. Graduated from University of California, Irvine, California College of Medicine in 2017, 9 years ago. Practices with Providence Medical Foundation, a 1,465-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
9
Trained at
University of California, Irvine, California College of Medicine
Licensed in
CA
In the registry since
2018

Practice location Address checks out

1120 W La Veta Ave Ste 300
Orange, CA 92868-4246
Phone: (714) 598-1745
Show map & directions

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

Additional practice locations (1)

  • 845 W La Veta Ave Ste 105, Orange, CA 92868-3930 — (714) 289-6565

Specialties & licences

Primary Care Nurse Practitioner (primary) Taxonomy 363LP2300X · Licence 95007538 (CA)

Record details

NPI number1689176109
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedFebruary 28, 2018
Last updated in NPPESJanuary 13, 2026
Certification dateJanuary 13, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolUNIVERSITY OF CALIFORNIA, IRVINE, CALIFORNIA COLLEGE OF MEDICINE
Graduated 2017 (9 years in practice)
Group practice Providence Medical Foundation — 1465 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Orange