Don Cassidy Arnold, M.D.
Don Cassidy Arnold is an Urology specialist based in Herrin, IL with over 21 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Don Cassidy Arnold, M.D. has been part of the Herrin medical community since 2008 in group practice. He graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 2005 and has 21+ years of clinical experience. He regularly sees Medicare patients with hypertension, high cholesterol, and arthritis (per CMS claims data).
At a glance
- Prescribes opioids less than 19% of reporting doctors in Illinois
- Uses generic medications more than 78% of reporting doctors in Illinois
- Virtual visits available — no app or travel required
Older · 1716dNPPES updated 2021-09-10 · verify NPI on CMS · Verify license at Illinois Department of Financial & Professional Regulation — Medical
Contact & Location
Practice Location
220 S Park Ave Fl 2, Herrin, IL 62948
How Does This Doctor Compare?
Based on Medicare data, this doctor prescribes opioid pain medications conservatively, favors affordable generic drugs over brand-name ones.
Opioid Rx
↓ Lower = better4.75%
Illinois avg: 4.5 · US avg: 5.1
✓ Higher than most doctors nationally(-0.3 pts)
4.75% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Generic Rx
↑ Higher = better92.7%
Illinois avg: 82.9 · US avg: 82.8
✓ Higher than most doctors nationally(+9.9 pts)
Better than 78% of reporting doctors in IllinoisHow often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
596
Unique beneficiaries
High volumePrescription Recipients
357
Patients prescribed
Prescriptions Written
948
Total claims
Total Medicare drug cost: $54k
Percentile rankings compared against 2,844 reporting peers in Illinois.
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 Hypertension, High Cholesterol, and Arthritis.
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↑ More patients than average (+5%) — a focus area for this doctor
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+5%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↑ More patients than average (+3%) — a focus area for this doctor
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↑ More patients than average (+4%) — a focus area for this doctor
Diseases involving abnormal cell growth with potential to spread to other body parts
US avg: 20.8%↑ More patients than average (+15%) — a focus area for this doctor
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↑ More patients than average (+2%) — a focus area for this doctor
Excessive worry or fear that interferes with daily life
US avg: 34.1%↓ Fewer patients than average (-3%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$20.7k received from industry
34 transactions reported in 2024 ·High 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 Don Cassidy Arnold's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 2005
University of Illinois College of Medicine
Board certified · Sep 9, 2021
Self-reported via NPPES
21 years in practice
Experienced
A urologist manages benign and malignant medical and surgical disorders of the genitourinary system and the adrenal gland. This specialist has comprehensive knowledge of and skills in endoscopic, percutaneous and open surgery of congenital and acquired conditions of the urinary and reproductive systems and their contiguous structures.
Taxonomy: 208800000X
Education & Training
University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) (Class of 2005)
Mailing address
Po Box 3988, Carbondale, IL 62902-3988
Differs from practice location
Virtual Urology Care With Don Cassidy Arnold
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Don Cassidy Arnold for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Herrin 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 Don Cassidy Arnold
NPI records show Dr. Arnold as active with telehealth listed in Herrin, IL. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (618) 988-6240.
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 Don Cassidy Arnold
Practice Location
220 S Park Ave Fl 2, Herrin, IL 62948
Mailing Address
Po Box 3988, Carbondale, IL 62902-3988
This is a provider directory. Contact the office directly to schedule appointments.
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