5
4 Ratings with 1 written Review
Summary
Dr. Oneill graduated from the Royal College of Surgeons In Ireland School of Medicine in 1987. He works in Marshfield, WI and 1 other location and specializes in Anesthesiology and Other Specialty. Dr. Oneill is affiliated with Marshfield Medical Center.
Quick Facts
- 39 years of experience
- speaks Chinese, English, Russian
- Royal College Of Surgeons In Ireland School Of Medicine
- 1 written review
- 2 specialties
- 2 areas of expertise
- 1 hospital affiliation
- 2 office locations
- Male
Patients’ Perspective
- Gave an accurate diagnosis
- Had a good bedside manner
- Spent time with me
Based on patient feedback. Read the reviews
Office Locations
Dr. Dermot Anthony Oneill has 2 locationsMarshfield Clinic Marshfield Center
1000 N Oak AveMarshfield, WI 54449 Tel: (715) 387-5511
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed
Ministry St Josephs Hospital
611 N Saint Joseph AveMarshfield, WI 54449 Tel: (715) 387-1713
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  |  |  |
| Dr. Dermot Anthony Oneill, MD | Dr. Anthony Bonyoung Koo, MD | Dr. Ronald Charles Knuth, MD | Dr. Duane Jaden Myklejord, MD |
| Anesthesiology | Anesthesiology | Anesthesiology | Anesthesiology |
| Accepts New Patients | Accepts New Patients | ||
| 39 Years of Experience | 19 Years of Experience | 44 Years of Experience | 31 Years of Experience |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks Chinese, English, Russian | Speaks English, Spanish | Speaks Chinese, English, Russian | Speaks Chinese, Russian |
| Marshfield , WI | Phoenix , AZ | Marshfield , WI | Marshfield , WI |
| Med School: Royal College Of Surgeons In Ireland School Of Medicine | Med School: Rush Medical College Of Rush University Medical Center | Med School: University Of Wisconsin School Of Medicine & Public Health | Med School: Universidad Central Del Ecuador Facultad De Ciencias Medicas |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Dermot Anthony Oneill
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. Dermot Anthony Oneill has the following 2 specialties
Specialty Expertise
Dr. Dermot Anthony Oneill has the following 2 areas of expertise
Certifications, License, & Education
39 Years Experience
Dr. Dermot Anthony Oneill holds an expired medical license in the state of Wisconsin.
Medical License
Medical Doctor with an expired medical license in the state of Wisconsin that expired in 2025.
Education & Training
Medical School
Graduated from Royal College Of Surgeons In Ireland School Of Medicine in 1987.
NPI Number
Dr. Oneill's NPI number is 1750460424.
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Frequently Asked Questions
- What languages does Dr. Dermot Oneill speak?
- Dr. Dermot Oneill speaks Chinese, English, and Russian.
- How can I make an appointment with Dr. Dermot Oneill?
- You can find contact information for Dr. Dermot Oneill here on Vitals.
- Does Dr. Dermot Oneill accept virtual/telehealth appointments?
- Dr. Dermot Oneill has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Where is Dr. Dermot Oneill's office located?
- Dr. Dermot Oneill's office is located at 1000 N Oak Ave, Marshfield, WI, 54449.
- Which hospitals is Dr. Dermot Oneill affiliated with?
- Dr. Dermot Oneill is affiliated with Marshfield Medical Center.
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