Darren Stephen O'Neill, M.D.
Darren Stephen O'Neill is an Internal Medicine specialist based in Enfield, CT with over 32 years of clinical experience. Offers virtual telehealth visits.
Darren Stephen O'Neill, M.D. has been part of the Enfield medical community since 2006 in group practice. Trained at University of Connecticut School of Medicine (class of 1994), he has been practicing for over 32 years. Among his Medicare patients, common conditions include hypertension, high cholesterol, and arthritis (per CMS data).
At a glance
- Uses generic medications more than 62% of reporting doctors in Connecticut
- Virtual visits available — no app or travel required
Older · 5940dNPPES updated 2010-02-16 · verify NPI on CMS · Verify license at Connecticut Medical Examining Board
Contact & Location
Practice Location
701 Enfield St, Enfield, CT 06082-2961
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%↓ Fewer patients than average (-1%) — less common here
Excessive worry or fear that interferes with daily life
US avg: 34.1%↓ Fewer patients than average (-7%) — less common here
Conditions affecting emotional state, including depression and bipolar disorder
A mood disorder causing persistent sadness and loss of interest in activities
US avg: 31.8%↓ Fewer patients than average (-9%) — 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 · 1994
University of Connecticut School of Medicine
32 years in practice
Senior practitioner
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 Connecticut School of Medicine (Class of 1994)
Mailing address
2150 Main Street, Springfield, MA 01104
Differs from practice location
Virtual Internal Medicine Care With Darren Stephen O'Neill
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Darren Stephen O'Neill for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Enfield required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.
Frequently Asked Questions
Common questions about Darren Stephen O'Neill
Dr. O'Neill is listed as active in the NPI registry with telehealth listed in Enfield, CT. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (860) 741-6058.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.
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Contact Darren Stephen O'Neill
Practice Location
701 Enfield St, Enfield, CT 06082-2961
Mailing Address
2150 Main Street, Springfield, MA 01104
This is a provider directory. Contact the office directly to schedule appointments.
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