SONJA LEAHY FNP
NPI 1861764326
Nurse Practitioner - Family in Valencia, CA
About Sonja Leahy Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SONJA LEAHY FNP (NPI 1861764326) is an individual family provider in Valencia, California, licensed in California (18385) and active in the NPI registry since January 2012. She is enrolled in Medicare PECOS, maintains a secondary practice location in Newhall, and is a graduate of Other (2008).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Sonja Leahy Fnp 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.
Medicare Billing Reassignments
2Medicare enrollment records show Sonja Leahy reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Valencia, CA 91355
- Reassigned Medicare billing, California enrollment
- 684 clinicians in this Medicare group
Santa Clarita, CA 91387
- Reassigned Medicare billing, California enrollment
- 13,921 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91355 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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SANTA CLARITA, CA 91355
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 Sonja Leahy's NPI number?
The NPI number for Sonja Leahy is 1861764326. It was assigned to this individual provider in the NPPES registry on January 30, 2012. The provider is also known as Sonja Skendzic-Kellogg Fnp.
Where is Sonja Leahy located?
Sonja Leahy practices at 23861 Mcbean Pkwy Ste A4, Valencia, CA 91355. The listed phone number is (661) 202-3248.
What is Sonja Leahy's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Sonja Leahy enrolled in Medicare?
Yes. Sonja Leahy 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.
Which organizations bill Medicare for Sonja Leahy's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sonja Leahy reassigns Medicare benefits to 2 organizations: Providence Facey Medical Foundation (Valencia, CA) and Southern California Permanente Medical Group (Santa Clarita, CA). Each 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 Sonja Leahy'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 Sonja Leahy was last updated on February 5, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Sonja Leahy, FNP · NPI 1861764326
Family physician in Valencia, California. Individual provider, active in the CMS NPPES registry since January 30, 2012.
## Identity
- **NPI:** 1861764326 (Entity type: Individual)
- **Enumerated:** January 30, 2012
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 18385 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 23861 MCBEAN PKWY STE A4, Valencia, CA 91355-2003
- **Phone:** (661) 202-3248 · **Fax:** (661) 888-1270
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Providence Facey Medical Foundation (NPI 1710031588, Valencia, CA); Southern California Permanente Medical Group (NPI 1316409410, Santa Clarita, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2008
## Record status
- **NPPES last updated:** February 5, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1861764326) · Data from the CMS NPPES public registry.