Browse Health
Internist, Geriatric Specialist (elderly care)
34 years of experience
Accepting new patients
Video profile
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. Dennis O'Neill:

View the full profile to get information on:

  1. Qualifications
  2. What's important to you

View full profile

Patient Reviews

Patient comments (0)

The overall average patient rating of Dr. Dennis O'Neill is Average. Dr. O'Neill has been reviewed by 3 patients who have provided 0 comments. The rating is 2.5 out of 5 stars.

Patient Ratings
Ease of Appointment 1.0
Promptness 1.0
Courteous Staff 3.0
Accurate Diagnosis 3.0
Bedside Manner 3.0
Spends Time with Me 3.0
Follows Up After Visit 1.0

Specialties & Research

Dr. Dennis O'Neill, MD is board certified in Internal Medicine and Geriatric Medicine.

  • He has special expertise in 1 area:
  • Alzheimer's Disease

Education & Awards

Dr. O'Neill graduated from Drexel University , Philadelphia.


Dr. O'Neill has 7 hospital affiliations:

  • Riverside Regional Medical Center 
  • Riverside Tappahannock Hosp Inc 


  • French

> > > > Dr. Dennis O'Neill, MD

Similar doctors nearby

Dr. Karen Knudsen

Internal Medicine
7 years experience
Newport News, VA

Dr. Anne Leddy

Internal Medicine
42 years experience
Newport News, VA

Dr. Maricel Ridella

Internal Medicine
19 years experience
Newport News, VA

Dr. Herbert Wilson

Internal Medicine
37 years experience
Newport News, VA

Dr. Jeffrey Harris

Internal Medicine
30 years experience
Newport News, VA

Dr. Sharon Hopson

Internal Medicine
17 years experience
Newport News, VA
Search All Similar Doctors
Additional Information
Dr. Dennis Michael O'Neill MD is a male Internist, has 34 years of experience and practices in Internal Medicine and Geriatric Medicine.
Where does Dr. Dennis M. O'Neill practice?
Dr. Dennis O'Neill has 4 office locations.
Dr. Dennis O'Neill practices Internal Medicine and Geriatric Medicine near Newport News, VA.
Additional practice locations include: Hampton, VA and Gloucester, VA.
See Newport News Internists and Newport News Geriatric Doctors.