Robert R Mcwilliams, M.D.
Medical Oncology Internal Medicine
Robert R Mcwilliams is a Medical Oncology Internal Medicine specialist based in Peoria, IL with over 29 years of clinical experience. Offers virtual telehealth visits.
Patients across IL can see Robert R Mcwilliams, M.D. in person in Peoria or via virtual visit — no travel required. He graduated from George Washington University School of Medicine in 1997 and has 29+ years of clinical experience. Among his Medicare patients, common conditions include hypertension, high cholesterol, and cancer (per CMS data).
Older · 167dNPPES updated 2025-12-08 · verify NPI on CMS · Verify license at Illinois Department of Financial & Professional Regulation — Medical
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
US avg: 70.2%↓ Fewer patients than average (-3%) — less common here
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↓ Fewer patients than average (-8%) — less common here
Diseases involving abnormal cell growth with potential to spread to other body parts
US avg: 20.8%↑ More patients than average (+18%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-19%) — less common here
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↓ Fewer patients than average (-7%) — less common here
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↓ Fewer patients than average (-3%) — less common here
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↓ Fewer patients than average (-9%) — less common here
An irregular, often rapid heartbeat that increases the risk of stroke
US avg: 22%↓ Fewer patients than average (-2%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
Patient Reviews
No patient reviews yet. If you've seen Robert R Mcwilliams, your feedback helps other patients.
Review PolicyAll feedback is moderated before publishing. We verify reviewer identity where possible and enforce a one-review-per-provider policy. Full guidelines →
Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1997
George Washington University School of Medicine
Board certified · Dec 7, 2025
Self-reported via NPPES
29 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
George Washington University School of Medicine (Class of 1997)
Mailing address
30791 High Rd, Fountain, MN 55935-5147
Differs from practice location
Virtual Medical Oncology Care With Robert R Mcwilliams
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Robert R Mcwilliams for blood pressure monitoring, cholesterol management, follow-up consultations — no travel to Peoria required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.
Frequently Asked Questions
Common questions about Robert R Mcwilliams
NPI records show Dr. Mcwilliams as active with telehealth listed in Peoria, IL. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (309) 655-2000.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.
Is this your profile?
Verify credentials, update practice details, and manage telehealth.
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 Robert R Mcwilliams
Practice Location
530 Ne Glen Oak Ave, Peoria, IL 61637-0001
Mailing Address
30791 High Rd, Fountain, MN 55935-5147
This is a provider directory. Contact the office directly to schedule appointments.
Related Providers