Eileen Pentony, MD
Eileen Pentony is an Internal Medicine specialist based in Downers Grove, IL with over 29 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
With over 29 years in internal medicine, Eileen Pentony, MD is a long-established internist in Downers Grove. A University of Texas Medical Branch at Galveston graduate since 1997, she brings 29+ years of experience. She regularly sees Medicare patients with high cholesterol, hypertension, and arthritis (per CMS claims data).
At a glance
- Prescribes opioids less than 24% of reporting doctors in Illinois
- Uses generic medications more than 71% of reporting doctors in Illinois
- Virtual visits available — no app or travel required
Older · 1011dNPPES updated 2023-08-17 · verify NPI on CMS · Verify license at Illinois Department of Financial & Professional Regulation — Medical
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 = better3.39%
Illinois avg: 4.5 · US avg: 5.1
✓ Higher than most doctors nationally(-1.7 pts)
3.39% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Generic Rx
↑ Higher = better91.1%
Illinois avg: 82.9 · US avg: 82.8
✓ Higher than most doctors nationally(+8.3 pts)
Better than 71% of reporting doctors in IllinoisHow often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
427
Unique beneficiaries
Standard volumePrescription Recipients
592
Patients prescribed
Prescriptions Written
5,605
Total claims
Total Medicare drug cost: $386k
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 High Cholesterol, Hypertension, and Arthritis.
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↓ Fewer patients than average (-1%) — less common here
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↓ Fewer patients than average (-10%) — less common here
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-11%) — 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.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1997
University of Texas Medical Branch
Board certified · Aug 16, 2023
Self-reported via NPPES
29 years in practice
Experienced
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Taxonomy: 207R00000X
Education & Training
University of Texas Medical Branch at Galveston (Class of 1997)
Mailing address
Po Box 713260, Chicago, IL 60677-1260
Differs from practice location
Virtual Internal Medicine Care With Eileen Pentony
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Eileen Pentony for cholesterol management, blood pressure monitoring, arthritis follow-ups — no travel to Downers Grove 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 Eileen Pentony
Dr. Pentony is listed as active in the NPI registry with telehealth listed in Downers Grove, IL. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (630) 435-9888.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.
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Contact Eileen Pentony
Practice Location
5207 Main St, Downers Grove, IL 60515-4652
Mailing Address
Po Box 713260, Chicago, IL 60677-1260
This is a provider directory. Contact the office directly to schedule appointments.
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