Andrew Tzong-Yow Chen, D.O.
Andrew Tzong-Yow Chen is a Hematology & Oncology specialist based in Bend, OR with over 24 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Also practices: INTERNAL MEDICINE, MEDICAL ONCOLOGY
Andrew Tzong-Yow Chen, D.O. has been part of the Bend medical community since 2006 in group practice. He has been in practice for 24+ years. He regularly sees Medicare patients with high cholesterol, hypertension, and arthritis (per CMS claims data).
Older · 1237dNPPES updated 2023-01-03 · verify NPI on CMS · Verify license at Oregon Medical Board
Contact & Location
Practice Location
2500 Ne Neff Rd, Bend, OR 97701-6015
How Does This Doctor Compare?
Opioid Rx
↓ Lower = better7.9%
Oregon avg: 7 · US avg: 5.1
⚠ Lower than most doctors nationally(+2.8 pts)
7.9% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Medicare Patients
314
Unique beneficiaries
Standard volumePrescription Recipients
157
Patients prescribed
Prescriptions Written
1,215
Total claims
Total Medicare drug cost: $4.92M
Percentile rankings compared against 1,341 reporting peers in Oregon.
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages High Cholesterol, Hypertension, and Arthritis.
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+1%) — a focus area for this doctor
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↓ Fewer patients than average (-2%) — less common here
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-6%) — less common here
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%Diseases involving abnormal cell growth with potential to spread to other body parts
US avg: 20.8%↑ More patients than average (+7%) — a focus area for this doctor
An irregular, often rapid heartbeat that increases the risk of stroke
US avg: 22%↑ More patients than average (+3%) — a focus area for this doctor
Conditions affecting emotional state, including depression and bipolar disorder
A mood disorder causing persistent sadness and loss of interest in activities
US avg: 31.8%↓ Fewer patients than average (-9%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$436 received from industry
4 transactions reported in 2024 ·Low tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to Andrew Tzong-Yow Chen's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Board certified · Jan 2, 2023
Self-reported via NPPES
24 years in practice
Experienced
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
Taxonomy: 207RH0003X
Mailing address
1501 Ne Medical Center Dr, Bend, OR 97701-6051
Differs from practice location
Virtual Hematology & Oncology Care With Andrew Tzong-Yow Chen
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Andrew Tzong-Yow Chen for cholesterol management, blood pressure monitoring, arthritis follow-ups — no travel to Bend required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about Andrew Tzong-Yow Chen
NPI records show Dr. Chen as active with telehealth listed in Bend, OR. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (541) 706-5800.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
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Contact Andrew Tzong-Yow Chen
Practice Location
2500 Ne Neff Rd, Bend, OR 97701-6015
Mailing Address
1501 Ne Medical Center Dr, Bend, OR 97701-6051
This is a provider directory. Contact the office directly to schedule appointments.
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