MRS. CATHLEEN ERIN SHAFFER FNP
NPI 1720587561
Nurse Practitioner - Family in Escondido, CA

Active since February 07, 2018PECOS EnrolledAccepts Medicare Assignment
460 N ELM ST, ESCONDIDO, CA 92025(619) 277-6183 Get Directions Write a Review

NPPES record last updated: April 2, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Apr 2, 2025, May 12, 2022, Feb 6, 2020 (3 updates tracked since 2020).

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

NPI1720587561
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMRS. CATHLEEN ERIN SHAFFERCredential: FNP
Location Address460 N ELM STEscondido, CA 92025-3002
Mailing AddressPo Box 1911Lakeside, CA 92040-0919
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateFebruary 7, 2018
Last NPPES UpdateApril 2, 20253 updates tracked since enumeration
NPPES CertifiedApril 2, 2025
✔ NPI 1720587561 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in CA · 95008499
460 N ELM ST, Escondido, CA 92025

Other Names 1

Former Name (1)Cathleen Erin Reilly

Other Identifiers 1

Other95008499CA · Board Of Registered Nurses

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.

PECOS PAC ID4880936111
PECOS Enrollment IDI20220407000037
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

4

Medicare 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.

Federally Qualified Health Center (FQHC)
460 N ELM ST
Escondido, CA 92025
  • Reassigned Medicare billing, California enrollment
  • 332 clinicians in this Medicare group
Health Maintenance Organization
1540 BRIDGEGATE DR
Diamond Bar, CA 91765
  • Reassigned Medicare billing, California enrollment
  • 283 clinicians in this Medicare group
Family Medicine
887 E SECOND ST
Pomona, CA 91766
  • Reassigned Medicare billing, California enrollment
  • 339 clinicians in this Medicare group
Family Medicine
21540 30TH DR SE STE 400
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.

New Patient
$94.87 typical visit price
range $62.10 – $184.71
Typical copayment $23.71 (range $15.52 – $46.17)
Most-billed visit code 99203
Established Patient
$108.42 typical visit price
range $20.62 – $151.42
Typical copayment $27.10 (range $5.15 – $37.85)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Nurse Practitioner
460 N ELM ST
ESCONDIDO, CA 92025
Internal Medicine
460 N ELM ST
ESCONDIDO, CA 92025
Nurse Practitioner (Family)
460 N ELM ST
ESCONDIDO, CA 92025
Nurse Practitioner (Primary Care)
460 N ELM ST
ESCONDIDO, CA 92025
Internal Medicine (Pulmonary Disease)
460 N ELM ST
ESCONDIDO, CA 92025
Family Medicine
460 N ELM ST
ESCONDIDO, CA 92025
Pharmacist
460 N ELM ST
ESCONDIDO, CA 92025
Pediatrics
460 N ELM ST
ESCONDIDO, CA 92025

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.