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

STEPHANIE CHANG
NPI 1942159744
Nurse Practitioner - Psychiatric/Mental Health in Hayward, CA

Active since January 24, 2026PECOS Enrolled

NPPES record last updated: July 6, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Jul 6, 2026, Jan 24, 2026 (2 updates tracked since 2026).

About Stephanie Chang NPPES

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

STEPHANIE CHANG (NPI 1942159744) is an individual psychiatric/mental health provider in Hayward, California, licensed in California (407402) and active in the NPI registry since January 2026. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1942159744
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameSTEPHANIE CHANG
Location Address1628 B STHayward, CA 94541-3020
Mailing Address1628 B StHayward, CA 94541-3020
Sole ProprietorNo
Enumeration DateJanuary 24, 2026
Last NPPES UpdateJuly 6, 20262 updates tracked since enumeration
NPPES CertifiedJuly 6, 2026
NPI 1942159744 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 · 407402
1628 B ST, Hayward, CA 94541

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Stephanie Chang 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94541 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
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
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 18

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

Occupational Therapist
1628 B ST
HAYWARD, CA 94541
Occupational Therapist
1628 B ST
HAYWARD, CA 94541
Occupational Therapy Assistant
1628 B ST
HAYWARD, CA 94541
Skilled Nursing Facility
1628 B ST
HAYWARD, CA 94541
Occupational Therapist
1628 B ST
HAYWARD, CA 94541
Occupational Therapy Assistant
1628 B ST
HAYWARD, CA 94541
Speech-Language Pathologist
1628 B ST
HAYWARD, CA 94541
Occupational Therapist
1628 B ST
HAYWARD, CA 94541

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 Stephanie Chang's NPI number?

The NPI number for Stephanie Chang is 1942159744. It was assigned to this individual provider in the NPPES registry on January 24, 2026.

Where is Stephanie Chang located?

Stephanie Chang practices at 1628 B St, Hayward, CA 94541. The listed phone number is (510) 582-4636.

What is Stephanie Chang's specialty?

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

Is Stephanie Chang enrolled in Medicare?

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

When was this NPI record last updated?

The NPPES record for Stephanie Chang was last updated on July 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 55 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.