Overview
John Kollar is a Bariatric Medicine specialist and a General Surgeon practicing medicine in Saddle Brook, New Jersey.
Dr. Kollar is highly rated in 2 conditions, according to our data. His clinical expertise encompasses Cellulitis, Diastasis Recti, Gallbladder Disease, Hernia Surgery, and Gastrectomy.
Dr. Kollar is board certified in American Osteopathic Board Of Surgery. Dr. Kollar is currently accepting new patients.
Specialties
Licenses
Board Certifications
Hospital Affiliations
Languages Spoken
Gender
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- PPO
- INSURANCE PLAN
- MEDICARE MAPD
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- EPO
- POS
- HMO
- INDEMNITY
- POS
- PPO
- EPO
- HMO
- PPO
- EPO
- HMO
- POS
- PPO
- MEDICARE DISCOUNT CARD
- MEDICARE PDP
- OTHER MEDICARE
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
383 Market Street, Suite 4B, Saddle Brook, NJ 07663
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Rockefeller Outpatient Pavilion
William Jarnagin is a General Surgeon practicing medicine in New York, New York. Dr. Jarnagin is highly rated in 42 conditions, according to our data. His clinical expertise encompasses Cholangiocarcinoma (Bile Duct Cancer), Pancreatic Cancer, Gallbladder Cancer, Hepatectomy, and Pancreatectomy. Dr. Jarnagin is currently accepting new patients.
New York University
As a hepatobiliary and pancreatic surgeon, my expertise is in the surgical care of people who have cancer or benign disease of the pancreas, gallbladder, liver, and ampulla. However, my main area of expertise is pancreatic cancer.I chose to specialize in pancreatic cancer for a variety of reasons. It is a complex and aggressive disease that requires surgical and medical management based on innovative research. In addition, providing surgical treatment for pancreatic cancer demands great technical skills, and effective treatment requires a team of experts with access to the most sophisticated technology available.At Perlmutter Cancer Center, we perform more than 100 Whipple procedures—a complex surgery for cancer in the head of the pancreas—each year with outstanding outcomes. The mortality rate of Whipple procedures at our center is among the lowest in the world. I have performed more than 1,200 of these procedures.Our team has expertise in robotic surgery of the pancreas and liver, as well as in the removal of pancreatic tumors that involve major vessels, which is also known as locally advanced pancreatic cancer. We use transplants to manage certain types of liver tumors and offer precision treatment for all stages of pancreatic cancer. Our patients have access to the most advanced clinical trials.I feel privileged to share in the lives of people who have received a diagnosis of pancreatic cancer and shepherd them through treatment. One of the most rewarding parts of. Dr. Wolfgang is highly rated in 22 conditions, according to our data. His clinical expertise encompasses Pancreatic Cancer, Pancreatic Ductal Adenocarcinoma, Pancreatic Islet Cell Tumor, Pancreaticoduodenectomy, and Pancreatectomy.
Frequently Asked Questions about Dr. John C. Kollar
How do I make an appointment with Dr. John C. Kollar?
You can book an appointment with Dr. John C. Kollar by calling their office at 201-712-7900. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.
Is Dr. John C. Kollar a top-rated expert for Cellulitis?
MediFind is an objective health platform that identifies experts based on real-world data. Dr. John C. Kollar is classified as an Advanced expert for Cellulitis, meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.
What conditions does Dr. John C. Kollar specialize in?
While Dr. John C. Kollar is a Bariatric Medicine, they have specific expertise in Cellulitis, Diastasis Recti, and Gallbladder Disease. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Bariatric Medicine.
Does Dr. John C. Kollar accept my insurance?
Dr. John C. Kollar accepts most major insurance plans, including Aetna and Blue Cross Blue Shield. We recommend calling the office directly at 201-712-7900 to verify that your specific plan is currently accepted before your visit.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Advanced
- CellulitisDr. Kollar isAdvanced. Learn about Cellulitis.
- Diastasis RectiDr. Kollar isAdvanced. Learn about Diastasis Recti.
- Experienced
- CholecystitisDr. Kollar isExperienced. Learn about Cholecystitis.
- CholedocholithiasisDr. Kollar isExperienced. Learn about Choledocholithiasis.
- Gallbladder DiseaseDr. Kollar isExperienced. Learn about Gallbladder Disease.
- GallstonesDr. Kollar isExperienced. Learn about Gallstones.
- GastrectomyDr. Kollar isExperienced. Learn about Gastrectomy.
- Gastrointestinal FistulaDr. Kollar isExperienced. Learn about Gastrointestinal Fistula.
- Gastrointestinal PerforationDr. Kollar isExperienced. Learn about Gastrointestinal Perforation.
- GastrostomyDr. Kollar isExperienced. Learn about Gastrostomy.
- HemorrhoidsDr. Kollar isExperienced. Learn about Hemorrhoids.
- HerniaDr. Kollar isExperienced. Learn about Hernia.
- Hernia SurgeryDr. Kollar isExperienced. Learn about Hernia Surgery.
- Juvenile AngiofibromaDr. Kollar isExperienced. Learn about Juvenile Angiofibroma.
- LymphadenectomyDr. Kollar isExperienced. Learn about Lymphadenectomy.
- NecrosisDr. Kollar isExperienced. Learn about Necrosis.
- ObesityDr. Kollar isExperienced. Learn about Obesity.
- Obesity in ChildrenDr. Kollar isExperienced. Learn about Obesity in Children.
- Peptic UlcerDr. Kollar isExperienced. Learn about Peptic Ulcer.
- Retroperitoneal InflammationDr. Kollar isExperienced. Learn about Retroperitoneal Inflammation.
- Umbilical HerniaDr. Kollar isExperienced. Learn about Umbilical Hernia.

