WENDY PAIK PSY.D.
NPI 1891183935
Psychologist - Clinical in Walnut Creek, CA

Active since December 23, 2014PECOS Enrolled
710 S BROADWAY, STE 300, WALNUT CREEK, CA 94596(925) 295-3999 Get Directions Write a Review

NPPES record last updated: February 11, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Wendy Paik Psy.d. NPPES

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

WENDY PAIK PSY.D. (NPI 1891183935) is an individual clinical provider in Walnut Creek, California, licensed in California (26854) and active in the NPI registry since December 2014. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1891183935
Entity TypeIndividualFemale
Primary Taxonomy103TC0700X
Provider Legal NameWENDY PAIKCredential: PSY.D.
Location Address710 S BROADWAY, STE 300Walnut Creek, CA 94596-5294
Mailing Address710 S Broadway, Ste 300Walnut Creek, CA 94596-5294
Sole ProprietorYes
Enumeration DateDecember 23, 2014
Last NPPES UpdateFebruary 11, 2022
✔ NPI 1891183935 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in CA · 26854
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.
710 S BROADWAY, Walnut Creek, CA 94596

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Wendy Paik Psy.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Wendy Paik reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Internal Medicine
901 NEVIN
Richmond, CA 94801
  • Reassigned Medicare billing, California enrollment
  • 20,078 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 94596 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
$202.35 typical visit price
range $69.00 – $202.35
Typical copayment $50.58 (range $17.25 – $50.58)
Most-billed visit code 99205
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
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.

Marriage & Family Therapist
710 S BROADWAY
WALNUT CREEK, CA 94596
Psychologist
710 S BROADWAY, SUITE #209
WALNUT CREEK, CA 94596
Psychologist (Clinical)
710 S BROADWAY, SUITE 300
WALNUT CREEK, CA 94596
Social Worker (Clinical)
710 S BROADWAY
WALNUT CREEK, CA 94596
Counselor (Addiction (Substance Use Disorder))
710 S BROADWAY
WALNUT CREEK, CA 94596
Psychologist (Addiction (Substance Use Disorder))
710 S BROADWAY
WALNUT CREEK, CA 94596
Psychologist
710 S BROADWAY
WALNUT CREEK, CA 94596
Health Maintenance Organization
710 S BROADWAY
WALNUT CREEK, CA 94596

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 Wendy Paik's NPI number?

The NPI number for Wendy Paik is 1891183935. It was assigned to this individual provider in the NPPES registry on December 23, 2014.

Where is Wendy Paik located?

Wendy Paik practices at 710 S Broadway Ste 300, Walnut Creek, CA 94596. The listed phone number is (925) 295-3999.

What is Wendy Paik's specialty?

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

Is Wendy Paik enrolled in Medicare?

Yes. Wendy Paik is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Wendy Paik's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Wendy Paik reassigns Medicare benefits to Permanente Medical Group Inc (Richmond, 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 Wendy Paik'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 Wendy Paik was last updated on February 11, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.