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DR. HELEN CHIH SHEN CHANG M.D.
NPI 1427278688
Internal Medicine in Los Gatos, CA

Active since April 27, 2007
15195 NATIONAL AVE, SUITE 205, LOS GATOS, CA 95032(408) 358-9917(408) 358-9927 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Helen Chih Shen Chang M.d. NPPES

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

DR. HELEN CHIH SHEN CHANG M.D. (NPI 1427278688) is an individual internal medicine provider in Los Gatos, California, licensed in California (A37547) and active in the NPI registry since April 2007.

NPPES Registry Identity

NPI1427278688
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. HELEN CHIH SHEN CHANGCredential: M.D.
Location Address15195 NATIONAL AVE, SUITE 205Los Gatos, CA 95032-2631
Mailing Address15195 National Ave.,, Suite 205Los Gatos,, CA 95032 · (408) 358-9917 · Fax (408) 358-9927
Phone(408) 358-9917
Fax(408) 358-9927
Sole ProprietorYes
Enumeration DateApril 27, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1427278688 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A37547
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
15195 NATIONAL AVE, Los Gatos, CA 95032
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Other Names 1

Other Name (5)Dr. Chih Shen Chang

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.

GREGORY SCOTT MACDONELL M.D.
Anesthesiology
15195 NATIONAL AVE, #100
LOS GATOS, CA 95032
Santa Clara County (408) 356-0454
NEERAJ KOCHHAR MD
Family Medicine
15195 NATIONAL AVE, 205
LOS GATOS, CA 95032
Santa Clara County (408) 358-9917
MRS. ESTHER LOIS CROWELL C.N.M.
Advanced Practice Midwife
15195 NATIONAL AVE, SUITE 207
LOS GATOS, CA 95032
Santa Clara County (408) 358-1881
WENTWORTH PARTNERS INC.
Family Medicine
15195 NATIONAL AVE, 205
LOS GATOS, CA 95032
Santa Clara County (408) 358-9917
ARUN VILLIVALAM, MD INC
Clinic/Center (Primary Care)
15195 NATIONAL AVE, SUITE 205
LOS GATOS, CA 95032
Santa Clara County (408) 502-6040
DR. DIPA H. PATEL MD
Radiology (Diagnostic Radiology)
15195 NATIONAL AVE, SUITE 201
LOS GATOS, CA 95032
Santa Clara County (408) 800-5247
DR. IRVING WILLIAM OLENDER M.D.
Obstetrics & Gynecology (Gynecology)
15195 NATIONAL AVE, SUITE 201
LOS GATOS, CA 95032
Santa Clara County (408) 358-2788
NILIMA B PAREKHJI M.D.
Obstetrics & Gynecology
15195 NATIONAL AVE, STE 207
LOS GATOS, CA 95032
Santa Clara County (408) 358-1881

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 Helen Chang's NPI number?

The NPI number for Helen Chang is 1427278688. It was assigned to this individual provider in the NPPES registry on April 27, 2007. The provider is also known as Dr. Chih Shen Chang.

Where is Helen Chang located?

Helen Chang practices at 15195 National Ave Suite 205, Los Gatos, CA 95032. The listed phone number is (408) 358-9917.

What is Helen Chang's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Helen Chang was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.