CHRISTINE SANGMI CHANG MD
NPI 1750807764
Pediatrics in Sunnyvale, CA

Q: What is Christine Chang's NPI number?

The NPI number for Christine Chang is 1750807764. It was assigned to this individual provider in the NPPES registry on August 22, 2017.

Q: What is Christine Chang's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Q: When was this NPI record last updated?

The NPPES record for Christine Chang was last updated on December 10, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years 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 August 22, 2017PECOS Enrolled

301 OLD SAN FRANCISCO RD, SUNNYVALE, CA 94086(408) 730-4251 Get Directions Write a Review

NPPES record last updated: December 10, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 10, 2018, Aug 22, 2017 (2 updates tracked since 2017).

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About Christine Sangmi Chang Md NPPES

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

CHRISTINE SANGMI CHANG MD (NPI 1750807764) is an individual pediatrics provider in Sunnyvale, California, licensed in California (A147446) and active in the NPI registry since August 2017. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1750807764

Entity TypeIndividualFemale

Primary Taxonomy208000000X

Provider Legal NameCHRISTINE SANGMI CHANGCredential: MD

Location Address301 OLD SAN FRANCISCO RDSunnyvale, CA 94086-6386

Mailing Address2350 W El Camino Real Fl 2Mountain View, CA 94040-6203

Phone(408) 730-4251

Sole ProprietorNo

Enumeration DateAugust 22, 2017

Last NPPES UpdateDecember 10, 20182 updates tracked since enumeration

✔ NPI 1750807764 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in CA · A147446

Definition

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

301 OLD SAN FRANCISCO RD, Sunnyvale, CA 94086

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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)

Christine Sangmi Chang Md 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 Christine Chang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Sutter Bay Medical Foundation

8.7 mi

Multi-Specialty

795 EL CAMINO REAL
Palo Alto, CA 94301

Reassigned Medicare billing, California enrollment
4,479 clinicians in this Medicare group

NPI 1013950807 (650) 321-4121

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 94086 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

$106.47 typical visit price

range $70.37 – $206.04

Typical copayment $26.61 (range $17.59 – $51.51)

Most-billed visit code 99203

Established Patient

$121.77 typical visit price

range $23.96 – $169.60

Typical copayment $30.44 (range $5.99 – $42.40)

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.

DR. TAN MICHAEL NGUYEN MD

Internal Medicine