DR. MERIDETH ANN WIRSTIUK PSY.D.
NPI 1760820187
Psychologist - Clinical Child & Adolescent in Madera, CA

Q: What is Merideth Wirstiuk's NPI number?

The NPI number for Merideth Wirstiuk is 1760820187. It was assigned to this individual provider in the NPPES registry on June 7, 2013.

Q: What is Merideth Wirstiuk's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical Child & Adolescent, with taxonomy code 103TC2200X.

Q: When was this NPI record last updated?

The NPPES record for Merideth Wirstiuk was last updated on April 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.

Active since June 07, 2013PECOS Enrolled

9300 VALLEY CHILDRENS PL, MADERA, CA 93636(559) 353-6735(559) 353-6755 Get Directions Write a Review

NPPES record last updated: April 28, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Dr. Merideth Ann Wirstiuk Psy.d. NPPES

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

DR. MERIDETH ANN WIRSTIUK PSY.D. (NPI 1760820187) is an individual clinical child & adolescent provider in Madera, California, licensed in Maryland (05698) and active in the NPI registry since June 2013. She is enrolled in Medicare PECOS and maintains a secondary practice location in Baltimore.

NPPES Registry Identity

NPI1760820187

Entity TypeIndividualFemale

Primary Taxonomy103TC2200X

Provider Legal NameDR. MERIDETH ANN WIRSTIUKCredential: PSY.D.

Location Address9300 VALLEY CHILDRENS PLMadera, CA 93636

Mailing Address6201 Greenleigh AveMiddle River, MD 21220-2004 · (410) 933-0000 · Fax (410) 500-4266

Phone(559) 353-6735

Fax(559) 353-6755

Sole ProprietorNo

Enumeration DateJune 7, 2013

Last NPPES UpdateApril 28, 2025

NPPES CertifiedApril 28, 2025

✔ NPI 1760820187 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychologist · Clinical Child & AdolescentBehavioral Health & Social Service Providers

Taxonomy Code103TC2200X

License✔ Licensed in MD · 05698

Definition

A psychologist who develops and applies scientific knowledge to the delivery of psychological services to infants, toddlers, children and adolescents within their social context. Of particular importance to the specialty of clinical child psychology is an understanding of the basic psychological needs of children and adolescents, and how the family and other social contexts influence the socio-emotional adjustment, cognitive development, behavioral adaptation and health status of children and adolescents.

Also ListedPsychologistTaxonomy 103T00000X · License PSY29255 (CA)

9300 VALLEY CHILDRENS PL, Madera, CA 93636

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Secondary Practice Location 1

Location 11800 Orleans StBaltimore, MD 21287-0010 · Phone (410) 502-2037 · Fax (410) 955-0737

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Merideth Ann Wirstiuk 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 Merideth Wirstiuk reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Kennedy Krieger Associates

2,324 mi

Pediatrics

11830 W MARKET PL STE NQ
Fulton, MD 20759

Reassigned Medicare billing, Maryland enrollment
352 clinicians in this Medicare group

NPI 1962211953 (443) 923-9327

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

DENISE L. HAMAN PT

Physical Therapist (Pediatrics)

9300 VALLEY CHILDRENS PL
MADERA, CA 93636

Madera County (559) 353-6800

WILLIAM ARTHUR KOOLE JR. PHARM.D.

Pharmacist

9300 VALLEY CHILDRENS PL
MADERA, CA 93636

Madera County (559) 353-5559

KRISTIN VAN HORN

Occupational Therapist

9300 VALLEY CHILDRENS PL
MADERA, CA 93636

Madera County (559) 353-3000

RACHEL GARCIA-WALKER

Social Worker (Clinical)

9300 VALLEY CHILDRENS PL
MADERA, CA 93636

Madera County (559) 353-3000

DR. KATHERINE DANIELLE SHAH MD

Student in an Organized Health Care Education/Training Program

9300 VALLEY CHILDRENS PL
MADERA, CA 93636

Madera County (559) 353-5168

DR. MEERA RAMAYYA MD

Pediatrics (Pediatric Endocrinology)

9300 VALLEY CHILDRENS PL, MB23
MADERA, CA 93636

Madera County (559) 353-6600

DR. WHITNEY LYN KALIN M.D.

Pediatrics

9300 VALLEY CHILDRENS PL
MADERA, CA 93636

Madera County (559) 353-5700

PAMELA REBECCA MARSH PNP-BC

Nurse Practitioner (Pediatrics)

9300 VALLEY CHILDRENS PL
MADERA, CA 93636

Madera County (559) 801-1997

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 Merideth Wirstiuk's NPI number?

The NPI number for Merideth Wirstiuk is 1760820187. It was assigned to this individual provider in the NPPES registry on June 7, 2013.

Where is Merideth Wirstiuk located?

Merideth Wirstiuk practices at 9300 Valley Childrens Pl, Madera, CA 93636. The listed phone number is (559) 353-6735.

What is Merideth Wirstiuk's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical Child & Adolescent, with taxonomy code 103TC2200X.

Is Merideth Wirstiuk enrolled in Medicare?

Yes. Merideth Wirstiuk is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Merideth Wirstiuk's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Merideth Wirstiuk reassigns Medicare benefits to Kennedy Krieger Associates (Fulton, MD). 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 Merideth Wirstiuk'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 Merideth Wirstiuk was last updated on April 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.