Dr. Kostelnik's Background
Research training, expertise and qualifications
Dr. Kostelnik's Specialties
- Gastroenterology, Board Certified
- View all 2 specialties
More About Dr. Kostelnik's Background
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Hospital Quality
The right hospital is as important as the right doctor
- Saint Clare's Hospital/Denville
- 25 Pocono Road
- Denville, NJ 07834
Healthgrades
9 Facts About Hospital Quality
Did you know that differences in hospital quality can result in a 75% lower chance of dying at a 5-star hospital? See why choosing the right hospital is critical to your health. View Slideshow
Patient Satisfaction
Patients' feedback on their experience with Dr. Kostelnik
Likelihood of recommending Dr. Kostelnik to family and friends is out of 5
See More Survey Results
Healthgrades
8 Facts About Patient Satisfaction Surveys
Patient satisfaction surveys provide a standardized way of reporting about healthcare experiences. But there can be more that meets the eye when reviewing scores. Here's what you should know
Appointments & Offices
Check insurance plans, locations and make an appointment
Accepted Insurances
- Aetna
- Amerihealth
- CIGNA
- CoreSource
- Coventry Health Care
- See all 12 insurances accepted
- MICHAEL EDWARD KOSTELNIK
- 52 Main St Suite 1
- Succasunna, NJ 07876
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7 Tips to Prepare for Your Appointment
The key to a successful appointment is communication. To get the most out of your visit, prepare ahead of time so you can lead the conversation with your doctor. These 7 tips will get you ready
