KRISTEN NICOLE LEFSTEIN
NPI 1689176109
Nurse Practitioner - Primary Care in Orange, CA
About Kristen Nicole Lefstein NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KRISTEN NICOLE LEFSTEIN (NPI 1689176109) is an individual primary care provider in Orange, California, licensed in California (95007538) and active in the NPI registry since February 2018. She is enrolled in Medicare PECOS, maintains a secondary practice location in Orange, and is a graduate of University Of California, Irvine, California College Of Medicine (2017).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Kristen Nicole Lefstein is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92868 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 18
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ORANGE, CA 92868
ORANGE, CA 92868
ORANGE, CA 92868
ORANGE, CA 92868
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Kristen Lefstein's NPI number?
The NPI number for Kristen Lefstein is 1689176109. It was assigned to this individual provider in the NPPES registry on February 28, 2018.
Where is Kristen Lefstein located?
Kristen Lefstein practices at 1120 W La Veta Ave Ste 300, Orange, CA 92868. The listed phone number is (714) 598-1745.
What is Kristen Lefstein's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Primary Care, with taxonomy code 363LP2300X.
Is Kristen Lefstein enrolled in Medicare?
Yes. Kristen Lefstein is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
When was this NPI record last updated?
The NPPES record for Kristen Lefstein was last updated on January 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.