KATERINA PEREZ NP
NPI 1205227089
Nurse Practitioner in Fullerton, CA

Active since February 14, 2015PECOS EnrolledAccepts Medicare Assignment
101 E VALENCIA MESA DR, FULLERTON, CA 92835(714) 992-3969 Get Directions Write a Review

NPPES record last updated: January 8, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Katerina Perez Np NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KATERINA PEREZ NP (NPI 1205227089) is an individual nurse practitioner in Fullerton, California, licensed in California (95002055) and active in the NPI registry since February 2015. She is enrolled in Medicare PECOS, maintains a secondary practice location in Long Beach, and is a graduate of Other (2014).

NPPES Registry Identity

NPI1205227089
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameKATERINA PEREZCredential: NP
Location Address101 E VALENCIA MESA DRFullerton, CA 92835-3809
Mailing Address101 E Valencia Mesa DrFullerton, CA 92835-3809 · (714) 992-3969
Sole ProprietorYes
Medical School CMSOtherGraduated 2014
Enumeration DateFebruary 14, 2015
Last NPPES UpdateJanuary 8, 2025
NPPES CertifiedJanuary 8, 2025
✔ NPI 1205227089 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in CA · 95002055
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
101 E VALENCIA MESA DR, Fullerton, CA 92835

Secondary Practice Location 1

Location 16213 E Seaside Walk # ALong Beach, CA 90803-5655 · Phone (323) 204-6765

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

Katerina Perez Np 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 ID6204142581
PECOS Enrollment IDI20150901001870
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

2

Medicare enrollment records show Katerina Perez reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Family Medicine
955 W IMPERIAL HWY STE 110
Brea, CA 92821
  • Reassigned Medicare billing, California enrollment
  • 1,699 clinicians in this Medicare group
Addiction Medicine
14591 NEWPORT AVE
Tustin, CA 92780
  • Reassigned Medicare billing, California enrollment
  • 2,052 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 92835 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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.

Internal Medicine
101 E VALENCIA MESA DR
FULLERTON, CA 92835
Neurological Surgery
101 E VALENCIA MESA DR
FULLERTON, CA 92835
Anesthesiology
101 E VALENCIA MESA DR
FULLERTON, CA 92835
Nurse Practitioner (Adult Health)
101 E VALENCIA MESA DR
FULLERTON, CA 92835
Nurse Practitioner (Family)
101 E VALENCIA MESA DR
FULLERTON, CA 92835
Pharmacist (Pharmacotherapy)
101 E VALENCIA MESA DR
FULLERTON, CA 92835
Pathology (Anatomic Pathology & Clinical Pathology)
101 E VALENCIA MESA DR
FULLERTON, CA 92835
Nurse Practitioner (Family)
101 E VALENCIA MESA DR
FULLERTON, CA 92835

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 Katerina Perez's NPI number?

The NPI number for Katerina Perez is 1205227089. It was assigned to this individual provider in the NPPES registry on February 14, 2015.

Where is Katerina Perez located?

Katerina Perez practices at 101 E Valencia Mesa Dr, Fullerton, CA 92835. The listed phone number is (714) 992-3969.

What is Katerina Perez's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Katerina Perez enrolled in Medicare?

Yes. Katerina Perez 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 Katerina Perez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katerina Perez reassigns Medicare benefits to 2 organizations: Providence Medical Foundation (Brea, CA) and Healthcare Partners Affiliates Medical Group (Tustin, 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 Katerina Perez'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 Katerina Perez was last updated on January 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.