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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

KATHERINE WU PHD
NPI 1730791070
Psychologist - Clinical in Irvine, CA

Active since August 18, 2020PECOS Enrolled

NPPES record last updated: September 16, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 16, 2026, Feb 13, 2023, Aug 18, 2020 (3 updates tracked since 2020).

About Katherine Wu Phd NPPES

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

KATHERINE WU PHD (NPI 1730791070) is an individual clinical provider in Irvine, California, licensed in California (PSY33602) and active in the NPI registry since August 2020. She is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1730791070
Entity TypeIndividualFemale
Primary Taxonomy103TC0700X
Provider Legal NameKATHERINE WUCredential: PHD
Location Address10 ANZIOIrvine, CA 92614-7309
Mailing Address10 AnzioIrvine, CA 92614-7309 · (949) 861-0907
Phone(949) 861-0907
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateAugust 18, 2020
Last NPPES UpdateSeptember 16, 20263 updates tracked since enumeration
NPPES CertifiedSeptember 16, 2026
✔ NPI 1730791070 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
Licenses✔ Licensed in CA · PSY33602✔ Licensed in WA · PY61286126✔ Licensed in DC · PSY20000173
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
10 ANZIO, Irvine, CA 92614
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Katherine Wu Phd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4789156480
PECOS Enrollment IDI20260613000464
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 Reassignment

Medicare enrollment records show Katherine Wu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Wu Psychological Services, Inc.
Same address
Clinical
10 ANZIO
Irvine, CA 92614
  • Reassigned Medicare billing, California enrollment
NPI 1841121837 (949) 216-0317

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 92614 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
$187.60 typical visit price
range $62.96 – $187.60
Typical copayment $46.90 (range $15.74 – $46.90)
Most-billed visit code 99205
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

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

WU PSYCHOLOGICAL SERVICES, INC.
Psychologist (Clinical)
10 ANZIO
IRVINE, CA 92614
Orange County (949) 216-0317

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 Katherine Wu's NPI number?

The NPI number for Katherine Wu is 1730791070. It was assigned to this individual provider in the NPPES registry on August 18, 2020.

Where is Katherine Wu located?

Katherine Wu practices at 10 Anzio, Irvine, CA 92614. The listed phone number is (949) 861-0907.

What is Katherine Wu's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Is Katherine Wu enrolled in Medicare?

Yes. Katherine Wu is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Katherine Wu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Wu reassigns Medicare benefits to Wu Psychological Services, Inc. (Irvine, 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 Katherine Wu'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 Katherine Wu was last updated on September 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 34 days 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.