1. Home
  2. Directory
  3. California
  4. Azusa
  5. Nurse Practitioner
  6. NPI Profile

ILENE CHANG PMHNP - BC
NPI 1316822273
Nurse Practitioner - Psychiatric/Mental Health in Azusa, CA

Active since August 09, 2025PECOS Enrolled
901 E ALOSTA AVE, AZUSA, CA 91702(714) 401-2471 Get Directions Write a Review

NPPES record last updated: August 9, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Ilene Chang Pmhnp - Bc NPPES

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

ILENE CHANG PMHNP - BC (NPI 1316822273) is an individual psychiatric/mental health provider in Azusa, California, licensed in California (95033809) and active in the NPI registry since August 2025. She is enrolled in Medicare PECOS and is a graduate of Other (2024).

NPPES Registry Identity

NPI1316822273
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameILENE CHANGCredential: PMHNP - BC
Location Address901 E ALOSTA AVEAzusa, CA 91702-2701
Mailing Address901 E Alosta AveAzusa, CA 91702-2701
Phone(714) 401-2471
Sole ProprietorNo
Medical School CMSOtherGraduated 2024
Enumeration DateAugust 9, 2025
NPPES CertifiedAugust 9, 2025
✔ NPI 1316822273 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in CA · 95033809
901 E ALOSTA AVE, Azusa, CA 91702
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)

Ilene Chang Pmhnp - Bc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3375013337
PECOS Enrollment IDI20260531000016
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 Ilene Chang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Vortex Mental Health
29 mi
Psychiatry
1760 TERMINO AVE STE 100
Long Beach, CA 90804
  • Reassigned Medicare billing, California enrollment
  • 20 clinicians in this Medicare group
NPI 1841834694 (310) 552-0146

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 91702 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.

KAITLYN O'CONNOR
Student in an Organized Health Care Education/Training Program
901 E ALOSTA AVE
AZUSA, CA 91702
Los Angeles County (626) 969-3434
MARY A RAWLINGS
Social Worker (Clinical)
901 E ALOSTA AVE
AZUSA, CA 91702
Los Angeles County (626) 815-6000
STANTON T EMERSON DO
Family Medicine
901 E ALOSTA AVE
AZUSA, CA 91702
Los Angeles County (626) 815-2100
CADE JEFFREY UKRAINETZ
Student in an Organized Health Care Education/Training Program
901 E ALOSTA AVE
AZUSA, CA 91702
Los Angeles County (626) 969-3434
ROBERTO QUINTERO III
Specialist/Technologist (Athletic Trainer)
901 E ALOSTA AVE
AZUSA, CA 91702
Los Angeles County (855) 440-2824
KEILONI MARIE SMITH
Specialist/Technologist (Athletic Trainer)
901 E ALOSTA AVE
AZUSA, CA 91702
Los Angeles County (626) 969-3434
CHARLES STEVEN GREAVES ATC
Specialist/Technologist (Athletic Trainer)
901 E ALOSTA AVE
AZUSA, CA 91702
Los Angeles County (626) 815-6000
MICHAELA PEREZ VASQUEZ RN
Registered Nurse (Cardiac Rehabilitation)
901 E ALOSTA AVE
AZUSA, CA 91702
Los Angeles County (626) 969-3434

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 Ilene Chang's NPI number?

The NPI number for Ilene Chang is 1316822273. It was assigned to this individual provider in the NPPES registry on August 9, 2025.

Where is Ilene Chang located?

Ilene Chang practices at 901 E Alosta Ave, Azusa, CA 91702. The listed phone number is (714) 401-2471.

What is Ilene Chang's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Ilene Chang enrolled in Medicare?

Yes. Ilene Chang is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Ilene Chang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ilene Chang reassigns Medicare benefits to Vortex Mental Health (Long Beach, 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 Ilene Chang'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 Ilene Chang was last updated on August 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.