Dr. John Kollar, DO
General Surgery*•Male•Age 63
General Surgery*
Dr. John Kollar, DO is a general surgery specialist in Saddle Brook, NJ and has over 36 years of experience in the medical field. He graduated from Rutgers New Jersey Medical School in 1987. He is affiliated with medical facilities such as The Valley Hospital and Chilton Medical Center. He is accepting new patients.
Practice
383 Market St Ste 4 Saddle Brook, NJ 07663Make an Appointment
Show Phone NumberAccepting new patients
Compare with other General Surgery Specialists
Compare Dr. Kollar with our nearby General Surgery Specialists at Clara Maass Medical Center.
Make an appointment at Clara Maass Medical Center today at (973) 765-6593.
These providers are on the medical staff of Clara Maass Medical Center.
Experience and Background Checks
Search for experience in a specific area
Background Check
*The information displayed here is sourced from independent information providers, such as state board websites, as of November 2023, and may not be the most up-to-date information. Healthgrades makes no representations with respect to the accuracy of any information provided here and assumes no responsibility or liability for such information.
Dr. Kollar's Reviews
Likelihood to recommend Dr. Kollar
4.8
| 5 Star | 94% | 94% |
| 4 Star | 0% | 0% |
| 3 Star | 0% | 0% |
| 2 Star | 0% | 0% |
| 1 Star | 6% | 6% |
Leave a review
How was your experience with Dr. Kollar?Overall Patient Satisfaction
Likelihood of recommending Dr. Kollar to family and friends is 4.7777777 out of 5
About Me
Care Philosophy
Specialties*
- General Surgery
- Bariatric Surgery
*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Board Certifications
Kennedy Memorial Hospital
Residency Hospital, 1992
Saddle Brook General Hospital
Internship Hospital, 1988
Rutgers New Jersey Medical School
Medical School, 1987
Rutgers College
Undergraduate School, 1982
- Healthgrades Honor Roll
Common Questions and Answers
Please call the office to learn more. (201) 712-7900
Was this information helpful?
What is the best way to schedule an appointment with Dr. John Kollar, DO?
Click here to schedule an appointment online. New patients may call (973) 765-6593 to make an appointment.
Can I use my insurance at Dr. John Kollar, DO?
Dr. John Kollar, DO accepts various insurance plans. You can easily check if your insurance provider is accepted by using the Healthgrades insurance check. We recommend verifying your insurance coverage before scheduling an appointment to ensure a seamless experience.
Does Dr. John Kollar, DO accept new patients?
New patients are generally accepted by Dr. John Kollar, DO on Healthgrades. To arrange an appointment, call the number on Dr. Kollar's profile.
What is Dr. John Kollar, DO's office address?
Dr. Kollar's office is located at 383 Market St Ste 4, Saddle Brook, NJ 07663. You can find other locations and directions on Healthgrades.
Healthgrades Top Picks on General Surgeons
Insurance Check
Search for your insurance carrier and choose your plan type
Locations
Practice
New Bridge Medical Center
Affiliated Hospitals
hospital awards
America's 100 Best Hospitals Award™ (2024, 2023)
Superior clinical outcomes in bowel obstruction treatment, colorectal surgeries, gallbladder removal, and upper gastrointestinal surgery
America's 250 Best Hospitals Award™ (2024, 2023, 2022)
Superior clinical outcomes in bowel obstruction treatment, colorectal surgeries, gallbladder removal, and upper gastrointestinal surgery
How patients felt about the care they received at this hospital.
2% higher than the national average
hospital awards
America's 250 Best Hospitals Award™ (2024, 2023)
Top in the nation for providing excellence in patient safety by preventing infections, medical errors, and other preventable complications
Patient Safety Excellence Award™ (2024, 2023, 2022)
Top in the nation for providing excellence in patient safety by preventing infections, medical errors, and other preventable complications
How patients felt about the care they received at this hospital.
1% higher than the national average
2% higher than the national average
How patients felt about the care they received at this hospital.
10% lower than the national average
7% lower than the national average
Compare with other General Surgery Specialists
Compare Dr. Kollar with our nearby General Surgery Specialists at Clara Maass Medical Center.
Make an appointment at Clara Maass Medical Center today at (973) 765-6593.
These providers are on the medical staff of Clara Maass Medical Center.
Your trust is our top concern.
We strive to keep the reviews trustworthy, honest & fair.
We monitor all reviews to ensure they comply with our guidelines and don’t include personal information, profanity, libel, defamation, harassment, obscenity or fraud.
All reviews are confirmed and audited before publication, and community members have the ability to flag inappropriate content for further review by our team.
Doctors can not pay for good reviews, nor can they pay to have negative reviews removed.
Any reviews that are deemed fraudulent or violate our guidelines will be removed immediately.