Summary

Dr. Dennis Oneill is a board-certified internal medicine physician with specialized expertise in geriatric medicine and hospital medicine. He earned his medical degree from Hahnemann University School of Medicine and completed his residency training at the prestigious Cleveland Clinic Health System. With nearly five decades of clinical experience, Dr. Oneill brings extensive knowledge to caring for adult patients, particularly older adults who require specialized medical attention.

Dr. Oneill practices at multiple respected healthcare facilities, including Sentara Careplex Hospital and Riverside Regional Medical Center, serving patients throughout Hampton and Newport News, Virginia. His practice encompasses comprehensive internal medicine care with a particular focus on the unique healthcare needs of geriatric patients. He also provides specialized hospital medicine services, caring for patients during their inpatient stays. Patients rate Dr. Oneill 2.3 out of 5 stars on average.

Overview based on verified provider data

Quick Facts

  • 2.3
  • 49 years of experience
  • Cleveland Clinic Health System
  • 3 specialties
  • 3 areas of expertise
  • 3 hospital affiliations
  • 2 office locations
  • Male

Office Locations

Dr. Dennis M Oneill has 2 locations

Sentara Careplex Hospital

3000 Coliseum DrHampton, VA 23666

Riverside Regional Medical Center

500 J Clyde Morris BlvdNewport News, VA 23601

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Dr. Dennis M Oneill, MDAlexa R. KulickDr. Adewumi Bakare DMSc, PA-CDr. Sohan Varma, MD
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients
2.3 
4.5 
49 Years of Experience 5 Years of Experience 5 Years of Experience 16 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English Speaks English, Spanish, Yoruba, French, Russian, Arabic, Chinese, Chinese (Mandarin) Speaks English, Hindi, Punjabi, Urdu
Hampton , VAFairfax , VAMesquite , TXChantilly , VA
Med School: Hahnemann University School Of Medicine Med School: University of Lynchburg - DMSc Med School: Ross University School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Dennis M Oneill

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. Dennis M Oneill has the following 3 specialties

Specialty Expertise

Dr. Dennis M Oneill has the following 3 areas of expertise

  • Alzheimer's Disease
  • Geriatric Medicine
  • Hospital Medicine

Certifications, License, & Education

49 Years Experience

Dr. Dennis M Oneill holds an expired medical license in the state of Virginia.

Medical License

Medical Doctor with an expired medical license in the state of Virginia that expired in 2026.

Education & Training

Residency

Completed their residency at Cleveland Clinic Health System.

Medical School

Graduated from Hahnemann University School Of Medicine in 1977.

NPI Number

Dr. Oneill's NPI number is 1639160716.

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Frequently Asked Questions

Does Dr. Dennis Oneill accept virtual/telehealth appointments?
Dr. Dennis Oneill has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Where is Dr. Dennis Oneill's office located?
Dr. Dennis Oneill's office is located at 3000 Coliseum Dr, Hampton, VA, 23666.
Which hospitals is Dr. Dennis Oneill affiliated with?
Dr. Dennis Oneill is affiliated with Sentara Careplex Hospital, Riverside Regional Medical Center, and Bon Secours Mary Immaculate Hospital.
Is Dr. Dennis Oneill accepting new patients?
Dr. Dennis Oneill has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
How can I make an appointment with Dr. Dennis Oneill?
You can find contact information for Dr. Dennis Oneill here on Vitals.

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