IRENE ZHANG PHD
NPI 1184489296
Psychologist - Clinical in Washington, DC

Q: What is Irene Zhang's NPI number?

The NPI number for Irene Zhang is 1184489296. It was assigned to this individual provider in the NPPES registry on February 19, 2024.

Q: What is Irene Zhang's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Irene Zhang was last updated on October 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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 February 19, 2024PECOS Enrolled

111 MICHIGAN AVE NW, WASHINGTON, DC 20010(202) 476-5000 Get Directions Write a Review

NPPES record last updated: October 3, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

On this page

About Irene Zhang Phd NPPES

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

IRENE ZHANG PHD (NPI 1184489296) is an individual clinical provider in Washington, District Of Columbia, licensed in Maryland (07497) and active in the NPI registry since February 2024. She is enrolled in Medicare PECOS and is a graduate of Other (2024).

NPPES Registry Identity

NPI1184489296

Entity TypeIndividualFemale

Primary Taxonomy103TC0700X

Provider Legal NameIRENE ZHANGCredential: PHD

Location Address111 MICHIGAN AVE NWWashington, DC 20010-2916

Mailing AddressPo Box 744785Atlanta, GA 30374-4785 · (202) 476-5000

Phone(202) 476-5000

Sole ProprietorNo

Medical School CMSOtherGraduated 2024

Enumeration DateFebruary 19, 2024

Last NPPES UpdateOctober 3, 2025

NPPES CertifiedOctober 3, 2025

✔ NPI 1184489296 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 MD · 07497✔ Licensed in DC · PSYA200001496

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.

111 MICHIGAN AVE NW, Washington, DC 20010

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

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

PECOS PAC ID7012493018

PECOS Enrollment IDI20260109000252

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

Children's Hospital

Same address

Pediatrics

111 MICHIGAN AVE NW
Washington, DC 20010

Reassigned Medicare billing, District of Columbia enrollment
1,417 clinicians in this Medicare group

NPI 1780800128 (202) 476-5000

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 20010 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

$194.86 typical visit price

range $65.18 – $194.86

Typical copayment $48.71 (range $16.29 – $48.71)

Most-billed visit code 99205

Established Patient

$113.72 typical visit price

range $21.40 – $158.88

Typical copayment $28.43 (range $5.35 – $39.72)

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.

DR. ANDREA BADILLO MD

Surgery

111 MICHIGAN AVE NW
WASHINGTON, DC 20010

District of Columbia (202) 476-2451

DR. TALITA MICHELLE JORDAN MD

Pediatrics

111 MICHIGAN AVE NW
WASHINGTON, DC 20010

District of Columbia (202) 476-5000

YUE-HIN LOKE MD

Pediatrics (Pediatric Cardiology)

111 MICHIGAN AVE NW, W3.5, 600
WASHINGTON, DC 20010

District of Columbia (202) 476-3670

ELSHADEY YAYEHYERADE BEKELE

Pediatrics

111 MICHIGAN AVE NW
WASHINGTON, DC 20010

District of Columbia (301) 565-4279

NOURA AL DHAHERI MD

Student in an Organized Health Care Education/Training Program

111 MICHIGAN AVE NW, W3.5, 600
WASHINGTON, DC 20010

District of Columbia (202) 476-3670

JIA LIU MD

Anesthesiology (Pediatric Anesthesiology)

111 MICHIGAN AVE NW
WASHINGTON, DC 20010

District of Columbia (202) 476-5000

DR. CHARLES JOHN BILLINGTON JR. MD

Medical Genetics (Clinical Genetics (M.D.))

111 MICHIGAN AVE NW, W3.5, 600
WASHINGTON, DC 20010

District of Columbia (202) 476-3670

GINA JIN LEE PHARMD

Pharmacist (Pharmacotherapy)

111 MICHIGAN AVE NW
WASHINGTON, DC 20010

District of Columbia (202) 476-4080

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 Irene Zhang's NPI number?

The NPI number for Irene Zhang is 1184489296. It was assigned to this individual provider in the NPPES registry on February 19, 2024.

Where is Irene Zhang located?

Irene Zhang practices at 111 Michigan Ave NW, Washington, DC 20010. The listed phone number is (202) 476-5000.

What is Irene Zhang's specialty?

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

Is Irene Zhang enrolled in Medicare?

Yes. Irene Zhang is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Irene Zhang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Irene Zhang reassigns Medicare benefits to Children's Hospital (Washington, DC). 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 Irene Zhang'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 Irene Zhang was last updated on October 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.