MRS. CATHLEEN ERIN SHAFFER FNP
NPI 1720587561
Nurse Practitioner - Family in Escondido, CA
About Mrs. Cathleen Erin Shaffer Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. CATHLEEN ERIN SHAFFER FNP (NPI 1720587561) is an individual family provider in Escondido, California, licensed in California (95008499) and active in the NPI registry since February 2018. She is enrolled in Medicare PECOS and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 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
Mrs. Cathleen Erin Shaffer 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
4Medicare enrollment records show Cathleen Shaffer reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Escondido, CA 92025
- Reassigned Medicare billing, California enrollment
- 332 clinicians in this Medicare group
Diamond Bar, CA 91765
- Reassigned Medicare billing, California enrollment
- 283 clinicians in this Medicare group
Pomona, CA 91766
- Reassigned Medicare billing, California enrollment
- 339 clinicians in this Medicare group
Bothell, WA 98021
- Reassigned Medicare billing, Washington enrollment
- 207 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 92025 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Cathleen Shaffer's NPI number?
The NPI number for Cathleen Shaffer is 1720587561. It was assigned to this individual provider in the NPPES registry on February 7, 2018. The provider is also known as Cathleen Erin Reilly.
Where is Cathleen Shaffer located?
Cathleen Shaffer practices at 460 N Elm St, Escondido, CA 92025. The listed phone number is (619) 277-6183.
What is Cathleen Shaffer's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Cathleen Shaffer enrolled in Medicare?
Yes. Cathleen Shaffer 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 Cathleen Shaffer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cathleen Shaffer reassigns Medicare benefits to 4 organizations: Neighborhood Healthcare (Escondido, CA), Central Health Plan Of California, Inc. (Diamond Bar, CA), Molina Healthcare Of California (Pomona, CA) and Molina Healthcare Of Washington, Inc (Bothell, WA). 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 Cathleen Shaffer'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 Cathleen Shaffer was last updated on April 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months 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.