4.1
7 Ratings with 1 written Review
Summary
Dr. John Oholleran is a surgeon with nearly four decades of experience in the field. He earned his medical degree from the University of Nebraska College of Medicine and completed his residency training at Exempla Healthcare. With 39 years of dedicated practice, Dr. Oholleran has built extensive expertise in surgical care. He communicates with patients in both English and Spanish.
Dr. Oholleran is affiliated with Sequoia Hospital and practices at multiple locations in Sterling, Illinois, and Oregon City, Oregon. His surgical expertise includes treating conditions such as ventral hernias and appendicitis. He also provides care for patients experiencing cancer-related constipation. The procedures he performs include sedation services and specialized imaging studies like CT scans and CT enterography to help diagnose and guide treatment plans. Patients have given Dr. Oholleran an average rating of 4.1 out of 5 stars.
Dr. Oholleran is affiliated with Sequoia Hospital and practices at multiple locations in Sterling, Illinois, and Oregon City, Oregon. His surgical expertise includes treating conditions such as ventral hernias and appendicitis. He also provides care for patients experiencing cancer-related constipation. The procedures he performs include sedation services and specialized imaging studies like CT scans and CT enterography to help diagnose and guide treatment plans. Patients have given Dr. Oholleran an average rating of 4.1 out of 5 stars.
AI-generated from data on this provider profile.
Quick Facts
- accepting new patients
- 39 years of experience
- 30 insurance plans accepted
- speaks English
- Exempla St Joseph General Surgery Residency Program
- 1 written review
- 2 specialties
- 3 areas of expertise
- 2 board certifications
- 1 hospital affiliation
- 1 office location
- Male
Office Location
Providence Surgery Clinic - Southeast at Willamette Falls
1510 Division St Ste 210Oregon City, OR 97045 Tel: (503) 723-6525
Compare with Similar Doctors
 |  |  |  |
| Dr. John David O'holleran, MD | Dr. Matthew Lewis, MD | Dr. Anna Aitsi Kuang, MD | Dr. Michele Lynn Babicky, MD |
| Surgery | Surgery | Plastic Surgery | Surgical Oncology |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 39 Years of Experience | 16 Years of Experience | 32 Years of Experience | 18 Years of Experience |
| Virtual Visit Available | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English | Speaks English | Speaks Spanish, Chinese, French, English | |
| Oregon City , OR | Portland , OR | Portland , OR | Portland , OR |
| Med School: University of Nebraska | Med School: Oregon Health & Science University School Of Medicine | Med School: Weill Cornell Medical College | Med School: Keck School Of Medicine Of The University Of Southern California |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. John David O'holleran
Medical Specialties
Dr. John David O'holleran has the following 2 specialties
Specialty Expertise
Dr. John David O'holleran has the following 3 areas of expertise
Certifications, License, & Education
39 Years Experience
MEDICAL LICENSE
Medical Doctor, Oregon, 2025, Expired
EDUCATION & TRAINING
Residency
Exempla St Joseph General Surgery Residency Program1992
Medical School
University of NebraskaGraduated in 1987
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Frequently Asked Questions
- What languages does Dr. John O'holleran speak?
- Dr. John O'holleran speaks English.
- How can I make an appointment with Dr. John O'holleran?
- You can find contact information for Dr. John O'holleran here on Vitals.
- Does Dr. John O'holleran accept virtual/telehealth appointments?
- Yes, Dr. John O'holleran accepts virtual/telehealth appointments. Click the virtual visit button on their Vitals profile.
- Where is Dr. John O'holleran's office located?
- Dr. John O'holleran's office is located at 1510 Division St Ste 210, Oregon City, OR, 97045.
- Which hospitals is Dr. John O'holleran affiliated with?
- Dr. John O'holleran is affiliated with Sequoia Hospital.
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