CHARLENE HSIAOCHING CHANG NP
NPI 1043670441
Nurse Practitioner - Family in San Mateo, CA

Q: What is Charlene Chang's NPI number?

The NPI number for Charlene Chang is 1043670441. It was assigned to this individual provider in the NPPES registry on February 26, 2016.

Q: What is Charlene Chang's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Q: When was this NPI record last updated?

The NPPES record for Charlene Chang was last updated on June 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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 26, 2016PECOS Enrolled

86.35/100

CMS Quality Rating

1100 PARK PL STE 80, SAN MATEO, CA 94403(925) 867-1800 Get Directions Write a Review

NPPES record last updated: June 30, 2026. Verified against the NPPES registry weekly; last sync: October 11, 2026.

Record update history: Jun 11, 2018, Feb 26, 2016 (2 updates tracked since 2016).

On this page

About Charlene Hsiaoching Chang Np NPPES

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

CHARLENE HSIAOCHING CHANG NP (NPI 1043670441) is an individual family provider in San Mateo, California, licensed in California (95003411) and active in the NPI registry since February 2016. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1043670441

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameCHARLENE HSIAOCHING CHANGCredential: NP

Location Address1100 PARK PL STE 80San Mateo, CA 94403-7115

Mailing Address1100 Park Pl Ste 80San Mateo, CA 94403-7115 · (925) 867-1800

Phone(925) 867-1800

Sole ProprietorNo

Enumeration DateFebruary 26, 2016

Last NPPES UpdateJune 30, 20262 updates tracked since enumeration

NPPES CertifiedJune 30, 2026

✔ NPI 1043670441 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

License✔ Licensed in CA · 95003411

1100 PARK PL STE 80, San Mateo, CA 94403

Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Charlene Hsiaoching Chang Np 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 94403 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

86.35/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

77.06

Improvement Activities

Cost

90.15

Other Providers at the Same Location NPPES

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

VITORIA DE SOUZA BSN, RN

Student in an Organized Health Care Education/Training Program

1100 PARK PL STE 80
SAN MATEO, CA 94403

San Mateo County (925) 867-1800

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 Charlene Chang's NPI number?

The NPI number for Charlene Chang is 1043670441. It was assigned to this individual provider in the NPPES registry on February 26, 2016.

Where is Charlene Chang located?

Charlene Chang practices at 1100 Park Pl Ste 80, San Mateo, CA 94403. The listed phone number is (925) 867-1800.

What is Charlene Chang's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Charlene Chang enrolled in Medicare?

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

When was this NPI record last updated?

The NPPES record for Charlene Chang was last updated on June 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.