Summary

Dr. Cormac Oneill treats benign prostatic hyperplasia, nephrolithiasis, and polyuria, and performs urodynamic testing and post-void residual urine testing. He practices urology and surgery and has 20 years of experience. He speaks English and Spanish.

Dr. Oneill earned his medical degree from the Royal College of Surgeons in Ireland School of Medicine. He is affiliated with Wentworth Douglass Hospital and Portsmouth Regional Hospital, and sees patients in Dover and Portsmouth, New Hampshire. Patients on Vitals rate Dr. Oneill 5 out of 5.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 5
  • 20 years of experience
  • speaks English, Spanish
  • Royal College Of Surgeons In Ireland
  • 2 specialties
  • 2 areas of expertise
  • 2 hospital affiliations
  • 4 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Cormac Eoin Oneill has 4 locations

Manchester Urology Associates At Dover

10 Members Way Ste 402Dover, NH 03820
Mon8:00 am - 4:30 pm
Tue8:00 am - 4:30 pm
Wed8:00 am - 4:30 pm
Thu8:00 am - 4:30 pm
Fri8:00 am - 4:30 pm
SatClosed
SunClosed

Portsmouth Regional Hospital

333 Borthwick AvePortsmouth, NH 03801

Manchester Urology Associates Pa

330 Borthwick Ave Ste 210Portsmouth, NH 03801
Mon8:00 am - 4:30 pm
Tue8:00 am - 4:30 pm
Wed8:00 am - 4:30 pm
Thu8:00 am - 4:30 pm
Fri8:00 am - 4:30 pm
SatClosed
SunClosed

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Dr. Cormac Eoin Oneill, MD
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Dr. Cormac Eoin Oneill, MDDr. Dmytro Mykolayovych Havaleshko, MDDr. Cynthia Dawn Barbarits, MDDr. Hernan Orlando Altamar, MD
UrologySurgerySurgeryUrology
Accepts New Patients Accepts New Patients
5 
5 
4.3 
4.8 
20 Years of Experience 32 Years of Experience 29 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish Speaks English Speaks English Speaks English, Spanish
Dover , NHDover , NHDover , NHPortsmouth , NH
Med School: Royal College Of Surgeons In Ireland Med School: Cernovickij Medical Institute Med School: University Of Texas Southwestern Medical School Med School: Uniformed Services Univ Of The Health Sciences F E Hebert Schl Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Cormac Eoin Oneill

  • Accepts Medicare
  • Accepts Medicaid

Medical Specialties

Dr. Cormac Eoin Oneill has the following 2 specialties

Specialty Expertise

Dr. Cormac Eoin Oneill has the following 2 areas of expertise

  • Laparoscopic Surgery (Laparoscopy)
  • Surgery

Certifications, License, & Education

20 Years Experience

Dr. Cormac Eoin Oneill holds an expired medical license in the state of New Hampshire.

Medical License

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

Education & Training

Medical School

Graduated from Royal College Of Surgeons In Ireland and Royal College Of Surgeons In Ireland School Of Medicine in 2006.

NPI Number

Dr. Oneill's NPI number is 1710147541.

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Frequently Asked Questions

Does Dr. Cormac Oneill accept my insurance?
You can see the insurance plans that Dr. Cormac Oneill accepts on their Vitals profile.
Is Dr. Cormac Oneill accepting new patients?
Dr. Cormac Oneill is accepting new patients on Vitals. View Dr. Cormac Oneill's profile on Vitals to make an appointment.
Where is Dr. Cormac Oneill's office located?
Dr. Cormac Oneill's office is located at 10 Members Way Ste 402, Dover, NH, 03820.
Does Dr. Cormac Oneill accept virtual/telehealth appointments?
Dr. Cormac Oneill has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
How can I make an appointment with Dr. Cormac Oneill?
You can find contact information for Dr. Cormac Oneill here on Vitals.

Data Sources

This provider profile is built using data from:

  • NPPES NPI Registry
  • State medical licensing boards
  • Healthcare system and provider network data

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