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

Helen K Chen, MD

Individual provider Specialist · NPI 1578546388

Helen K Chen, MD is a Radiation Oncology in South Pasadena, California. Graduated from University of California, San Francisco School of Medicine in 1989, 37 years ago. Practices with City of Hope Medical Foundation, a 959-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
37
Trained at
University of California, San Francisco School of Medicine
Licensed in
CA
In the registry since
2005
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

209 Fair Oaks Ave
South Pasadena, CA 91030-1814
Phone: (626) 396-2900
Fax: (626) 799-2889
Show map & directions

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

Additional practice locations (1)

  • 1500 Duarte Rd, Duarte, CA 91010-3012 — (626) 359-8111

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence G70470 (CA)
Specialist Taxonomy 174400000X · Licence G70470 (CA)

Record details

NPI number1578546388
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 25, 2005
Last updated in NPPESNovember 23, 2020
Certification dateNovember 23, 2020
Mailing addressPo Box 512185, Los Angeles, CA 90051-0185

Medicare enrollment

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

Medicare specialtyRADIATION ONCOLOGY
Medical schoolUNIVERSITY OF CALIFORNIA, SAN FRANCISCO SCHOOL OF MEDICINE
Graduated 1989 (37 years in practice)
Group practice City Of Hope Medical Foundation — 959 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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