MS. CATHRYN LEE LEFF LMFT
NPI 1992817621
Marriage & Family Therapist in Temecula, CA
About Ms. Cathryn Lee Leff Lmft NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. CATHRYN LEE LEFF LMFT (NPI 1992817621) is an individual marriage & family therapist in Temecula, California, licensed in California (MFC 33119) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Ms. Cathryn Lee Leff Lmft is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Cathryn Leff reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Diego, CA 92101
- Reassigned Medicare billing, California enrollment
- 545 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Cathryn Leff's NPI number?
The NPI number for Cathryn Leff is 1992817621. It was assigned to this individual provider in the NPPES registry on August 31, 2006.
Where is Cathryn Leff located?
Cathryn Leff practices at 29291 Providence Rd, Temecula, CA 92591. The listed phone number is (951) 296-9460.
What is Cathryn Leff's specialty?
The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.
Is Cathryn Leff enrolled in Medicare?
Yes. Cathryn Leff is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Cathryn Leff's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cathryn Leff reassigns Medicare benefits to Cyti Health PC (San Diego, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Cathryn Leff's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Cathryn Leff was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.