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

Dr. Andrew Tzong-Yow Chen, DO

Individual provider Hematology & Oncology Physician · NPI 1124081096

Dr. Andrew Tzong-Yow Chen, DO is a Hematology/Oncology in Bend, Oregon. Qualified in 2002, 24 years ago. Practices with St Charles Health System Inc, a 383-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Oregon.

Years since qualifying
24
Licensed in
OR
In the registry since
2006
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

2500 NE Neff Rd
Bend, OR 97701-6015
Phone: (541) 706-5800
Fax: (541) 706-5911
Show map & directions

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

Additional practice locations (1)

  • 1501 Ne Medical Center Dr, Bend, OR 97701-6051 — (541) 382-2811

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence DO25841 (OR)

Record details

NPI number1124081096
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedApril 10, 2006
Last updated in NPPESJanuary 3, 2023
Certification dateJanuary 3, 2023

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Also practisesINTERNAL MEDICINE, MEDICAL ONCOLOGY
Medical schoolOTHER
Graduated 2002 (24 years in practice)
Group practice St Charles Health System Inc — 383 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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