Herschel D Wallen, M.D.
Medical Oncology Internal Medicine
Herschel D Wallen is a Medical Oncology Internal Medicine specialist based in Corvallis, OR with over 27 years of clinical experience. Offers virtual telehealth visits.
Herschel D Wallen, M.D. has been part of the Corvallis medical community since 2006 in group practice. Trained at University of Michigan Medical School (class of 1999), he has been practicing for over 27 years. Among his Medicare patients, common conditions include hypertension, high cholesterol, and cancer (per CMS data).
Older · 1020dNPPES updated 2023-08-07 · verify NPI on CMS · Verify license at Oregon Medical Board
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 Hypertension, High Cholesterol, and Cancer.
High blood pressure — a leading risk factor for heart disease and stroke
Elevated cholesterol or triglycerides that increase heart disease risk
Diseases involving abnormal cell growth with potential to spread to other body parts
Joint inflammation causing pain, swelling, and stiffness
Chronic Obstructive Pulmonary Disease — a group of lung diseases that block airflow
Gradual loss of kidney function over time, often linked to diabetes or hypertension
A condition where the body cannot properly regulate blood sugar levels
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1999
University of Michigan Medical School
Board certified · Aug 6, 2023
Self-reported via NPPES
27 years in practice
Experienced
Medical oncologists diagnose and treat cancer using chemotherapy, immunotherapy, targeted therapy, and hormone therapy. They coordinate care with surgical oncologists and radiation oncologists for comprehensive cancer treatment.
Taxonomy: 207RX0202X
Education & Training
University of Michigan Medical School (Class of 1999)
Mailing address
Po Box 1189, Corvallis, OR 97339-1189
Differs from practice location
Virtual Medical Oncology Care With Herschel D Wallen
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Herschel D Wallen for blood pressure monitoring, cholesterol management, follow-up consultations — no travel to Corvallis required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.
Frequently Asked Questions
Common questions about Herschel D Wallen
Dr. Wallen 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) 768-4950.
Sourced from CMS NPPES · OIG LEIE · CMS Physician Comparator. See Data Methodology.
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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.
Contact Herschel D Wallen
Practice Location
441 Nw Elks Dr Ste 100, Corvallis, OR 97330-3744
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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