Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Winnie W Chan, MD

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1538521281

Winnie W Chan, MD is an Emergency Medicine in Castro Valley, California. Graduated from University of California, San Francisco School of Medicine in 2016, 10 years ago. Practices with Eden Emergency Medical Group Inc, a 27-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
10
Trained at
University of California, San Francisco School of Medicine
Licensed in
CA
In the registry since
2016
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

20103 Lake Chabot Rd
Castro Valley, CA 94546-5305
Phone: (877) 346-2211
Fax: (626) 623-1227
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence A152574 (CA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1538521281
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 22, 2016
Last updated in NPPESMay 31, 2022
Certification dateMay 31, 2022
Mailing address1370 8th Ave Apt 4, San Francisco, CA 94122-2435

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Medical schoolUNIVERSITY OF CALIFORNIA, SAN FRANCISCO SCHOOL OF MEDICINE
Graduated 2016 (10 years in practice)
Group practice Eden Emergency Medical Group Inc — 27 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Castro Valley