Jack Chen, DO
Rheumatology Internal Medicine
Jack Chen is a Rheumatology Internal Medicine specialist based in Corvallis, OR with over 12 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Also practices: INTERNAL MEDICINE
Jack Chen, DO has practiced internal medicine for 12+ years, working in group practice. He graduated from Philadelphia College of Osteopathic Medicine in 2014 and has 12+ years of clinical experience. Among his Medicare patients, common conditions include arthritis, hypertension, and high cholesterol (per CMS data).
Older · 2024dNPPES updated 2020-11-06 · verify NPI on CMS · Verify license at Oregon Medical Board
Contact & Location
Practice Location
3620 Nw Samaritan Dr Ste 202, Corvallis, OR 97330-3785
How Does This Doctor Compare?
Medicare Patients
103
Unique beneficiaries
Standard volumePrescription Recipients
78
Patients prescribed
Prescriptions Written
283
Total claims
Total Medicare drug cost: $366k
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 Arthritis, Hypertension, and High Cholesterol.
Joint inflammation causing pain, swelling, and stiffness
High blood pressure — a leading risk factor for heart disease and stroke
Elevated cholesterol or triglycerides that increase heart disease risk
Excessive worry or fear that interferes with daily life
Gradual loss of kidney function over time, often linked to diabetes or hypertension
Weakened bones that are more prone to fractures, common in older adults
Conditions affecting emotional state, including depression and bipolar disorder
A condition where the body cannot properly regulate blood sugar levels
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$383 received from industry
6 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 Jack Chen's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 2014
Philadelphia College of Osteopathic Medicine
Board certified · Nov 5, 2020
Self-reported via NPPES
12 years in practice
Established
Rheumatologists treat autoimmune and inflammatory conditions including rheumatoid arthritis, lupus, psoriatic arthritis, gout, osteoarthritis, and vasculitis. They manage biologic therapies and joint-preserving treatments.
Taxonomy: 207RR0500X
Education & Training
Philadelphia College of Osteopathic Medicine (Class of 2014)
Mailing address
Po Box 1189, Corvallis, OR 97339-1189
Differs from practice location
Virtual Internal Medicine Care With Jack Chen
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Jack Chen for arthritis follow-ups, blood pressure monitoring, cholesterol management — no travel to Corvallis 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 Jack Chen
Dr. Chen is listed as active in the NPI registry with telehealth listed in Corvallis, OR. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (541) 768-5800.
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 Jack Chen
Practice Location
3620 Nw Samaritan Dr Ste 202, Corvallis, OR 97330-3785
Mailing Address
Po Box 1189, Corvallis, OR 97339-1189
This is a provider directory. Contact the office directly to schedule appointments.
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