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

MELINDA CHANG MS, CGC
NPI 1790466209
Genetic Counselor, MS in Sunnyvale, CA

Active since July 27, 2023
301 OLD SAN FRANCISCO RD, SUNNYVALE, CA 94086(408) 730-6145 Get Directions Write a Review

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

Record update history: Aug 11, 2026, Jul 27, 2023 (2 updates tracked since 2023).

About Melinda Chang Ms, Cgc NPPES

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

MELINDA CHANG MS, CGC (NPI 1790466209) is an individual genetic counselor, ms provider in Sunnyvale, California, licensed in California (GC001824) and active in the NPI registry since July 2023.

NPPES Registry Identity

NPI1790466209
Entity TypeIndividualFemale
Primary Taxonomy170300000X
Provider Legal NameMELINDA CHANGCredential: MS, CGC
Location Address301 OLD SAN FRANCISCO RDSunnyvale, CA 94086-6386
Mailing Address301 Old San Francisco RdSunnyvale, CA 94086-6386 · (408) 730-6145
Sole ProprietorNo
Enumeration DateJuly 27, 2023
Last NPPES UpdateAugust 11, 20262 updates tracked since enumeration
NPPES CertifiedAugust 11, 2026
NPI 1790466209 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyGenetic Counselor, MSOther Service Providers
Taxonomy Code170300000X
License Licensed in CA · GC001824
Definition
A masters trained health care provider who collects and interprets genetic family histories; assesses the risk of disease occurrence or recurrence; identifies interventions to manage or ameliorate disease risk; educates about inheritance, testing, management, prevention, ethical issues, resources, and research; and counsels to promote informed choices and adaptation. Certification was established in 1993 by the American Board of Genetic Counseling and prior to that by the American Board of Medical Genetics. Requirements for experience, licensure, and job responsibilities vary among the states.
301 OLD SAN FRANCISCO RD, Sunnyvale, CA 94086

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.

Internal Medicine
301 OLD SAN FRANCISCO RD
SUNNYVALE, CA 94086
Family Medicine
301 OLD SAN FRANCISCO RD
SUNNYVALE, CA 94086
Internal Medicine
301 OLD SAN FRANCISCO RD
SUNNYVALE, CA 94086
Nurse Practitioner
301 OLD SAN FRANCISCO RD
SUNNYVALE, CA 94086
Family Medicine
301 OLD SAN FRANCISCO RD
SUNNYVALE, CA 94086
Social Worker (Clinical)
301 OLD SAN FRANCISCO RD
SUNNYVALE, CA 94086
Physical Therapist
301 OLD SAN FRANCISCO RD
SUNNYVALE, CA 94086
Nurse Practitioner (Family)
301 OLD SAN FRANCISCO RD
SUNNYVALE, CA 94086

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 Melinda Chang's NPI number?

The NPI number for Melinda Chang is 1790466209. It was assigned to this individual provider in the NPPES registry on July 27, 2023.

Where is Melinda Chang located?

Melinda Chang practices at 301 Old San Francisco Rd, Sunnyvale, CA 94086. The listed phone number is (408) 730-6145.

What is Melinda Chang's specialty?

The primary specialty registered for this NPI is Genetic Counselor, MS with taxonomy code 170300000X.

When was this NPI record last updated?

The NPPES record for Melinda Chang was last updated on August 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 27 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.