JK
32 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Kollar, Surgeon in Saddle Brook, NJ?
Dr. John Kollar, DO is a Surgeon, who primarily practices in Saddle Brook, NJ with 2 additional practice locations. He has been practicing for over 32 years and is board certified. Dr. Kollar is fluent in English, and is currently seeing new patients. Dr. Kollar’s practice accepts Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Kollar’s office at (201) 712-7900.
What languages does Dr. Kollar speak?
Dr. Kollar and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Kollar treat?
As a Surgeon, Dr. Kollar diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Kollar. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Groin Hernia (One Side)
- Umbilical Hernia
- Ventral Hernia
- Diaphragmatic Hernia
- Hernia
- Inguinal Hernia
- Unilateral Inguinal Hernia
- Single Groin Hernia
- Hernia in One Groin
- Belly Button Hernia
- Navel Hernia
- Umbilical Rupture
- Abdominal Wall Hernia
- Epigastric Hernia
- Spigelian Hernia
- Hiatal Hernia
- Hernia of the Diaphragm
ICD-10 Codes:
- K4090: Unilateral inguinal hernia, without obstruction or gangrene, not specified as recurrent
- K429: Umbilical hernia without obstruction or gangrene
- K439: Ventral hernia without obstruction or gangrene
- K449: Diaphragmatic hernia without obstruction or gangrene
Also known as:
- Severe Obesity
- Obesity
- Helping Your Child Who Is Overweight
- Take Charge of Your Health: A Guide for Teenagers
- Understanding Adult Overweight & Obesity
- Body Weight
- Morbid Obesity
- Extreme Obesity
- Class 3 Obesity
- High Body Mass Index
ICD-10 Codes:
- E6601: Morbid (severe) obesity due to excess calories
- Z684: Body mass index [BMI] 40 or greater, adult
Also known as:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
Also known as:
- Acute Appendicitis
- Appendicitis
- Inflamed Appendix
- Sudden Appendix Inflammation
- Appendicitis Attack
ICD-10 Codes:
- K3580: Unspecified acute appendicitis
Also known as:
- Sleep Apnea
- Breathing Pauses During Sleep
- Snoring Disorder
ICD-10 Codes:
- G4730: Sleep apnea, unspecified
Also known as:
- Bariatric Surgery Status
- Weight Loss Surgery
- Weight-loss (Metabolic & Bariatric) Surgery
- Weight Loss Surgery History
- Gastric Bypass Status
- Sleeve Gastrectomy Status
ICD-10 Codes:
- Z9884: Bariatric surgery status
Also known as:
- Acute Gallbladder Inflammation
- Gallbladder Disease
- Sudden Gallbladder Attack
- Acute Cholecystitis
- Sudden Gallbladder Infection
ICD-10 Codes:
- K810: Acute cholecystitis
Also known as:
- Acid Reflux
- GERD
- Acid Reflux (GER & GERD) in Adults
- Acid Reflux (GER & GERD) in Children
- Acid Reflux (GER & GERD) in Infants
- Gastroesophageal Reflux
- Heartburn
- Indigestion
ICD-10 Codes:
- K219: Gastro-esophageal reflux disease without esophagitis
Also known as:
- Primary Generalized Osteoarthritis
- Osteoarthritis
- Primary Widespread Arthritis
- Idiopathic Generalized Osteoarthritis
- Generalized Degenerative Joint Disease
ICD-10 Codes:
- M150: Primary generalized (osteo)arthritis
Also known as:
- Mixed High Cholesterol and Triglycerides
- Cholesterol
- Triglycerides
- Mixed hyperlipidemia
- Combined hyperlipidemia
- High lipids
ICD-10 Codes:
- E782: Mixed hyperlipidemia
Also known as:
- Gallstones
- Cholelithiasis
- Biliary Calculi
- Gallbladder Stones
ICD-10 Codes:
- K8080: Other cholelithiasis without obstruction
Also known as:
- Iron Deficiency Anemia
- Anemia
- Iron
- Anemia from Iron Lack
- Low Iron Anemia
- Sideropenic Anemia
ICD-10 Codes:
- D509: Iron deficiency anemia, unspecified
Also known as:
- Pilonidal Cyst
- Tailbone Disorder
- Sacrococcygeal cyst
- Pilonidal sinus
- Tailbone cyst
ICD-10 Codes:
- L0591: Pilonidal cyst without abscess
Also known as:
- Type 2 Diabetes
- Diabetes Type 2
- Type 2 diabetes
- Diabetes Mellitus Type 2
- Adult-Onset Diabetes
- Non-Insulin Dependent Diabetes
ICD-10 Codes:
- E119: Type 2 diabetes mellitus without complications
Also known as:
- Abdominal Pain
- Stomach Ache
- Belly Pain
- Stomach Pain
ICD-10 Codes:
- R109: Unspecified abdominal pain
Which procedures does Dr. Kollar perform as a Surgeon?
As a Surgeon, procedures performed by a Dr. John Kollar may include:
- Abdominal Wall Reconstruction
- Amputation
- Appendicitis / Appendectomy
- Brain Aneurysm Treatment
- Brain Surgery
- Brain Tumor Evaluation
- Central Line Placement
- Cerebral Shunt
For detailed information, please contact Dr. Kollar's office.
Does Dr. Kollar accept my insurance?
Dr. Kollar accepts most major insurance plans. Important: Please call our office at (201) 712-7900 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Kollar accept in Saddle Brook, NJ?
Dr. Kollar in Saddle Brook, NJ accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Benefit Administrative Systems LLC
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Express Scripts
Horizon BlueCross BlueShield
Medicaid
Medicare
Oscar Health Insurance Co
UnitedHealthcare
View All Insurances
Where is Dr. Kollar's office located?
Dr. John Kollar's Primary Practice
383 Market St Ste 4 Bldg B
Saddle Brook, NJ 07663
(201) 712-7900
What is Dr. Kollar's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Kollar's National Provider Identifier (NPI) number is 1841227352.
What common questions do patients ask about Dr. Kollar?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Kollar
What is Dr. John Kollar's specialty?
Dr. Kollar is a Surgeon near Saddle Brook, NJ. General surgeons are experts in diagnosing and managing surgical conditions which includes preoperative, operative, and postoperative care, as well as addressing complications. Their expertise include the areas such as the alimentary tract, breast, abdomen, skin and soft tissue, endocrine system, head and neck, pediatric surgery, surgical critical care, surgical oncology, trauma, burns, and vascular surgery. General surgeons increasingly utilize minimally invasive and endoscopic techniques to provide proper care. In addition to this, many general surgeons have expertise in transplantation, plastic, and cardiothoracic surgery. Contact Dr. Kollar to book an appointment today.
Is this Dr. John Kollar affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Kollar is affiliated with Chilton Medical Center - Pompton Plains, Nj which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
Where can I learn more about Surgeon?
Explore Surgeon with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is John Kollar accepting new patients in Saddle Brook, NJ?
Yes, Dr. John Kollar is accepting new patients at this time.
Does Dr. John Kollar offer online booking?
Please contact Dr. Kollar's office at (201) 712-7900 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with John Kollar?
Please contact Dr. Kollar's office at (201) 712-7900 for information regarding telehealth appointment availability or for scheduling assistance.
Other Surgeon Near Saddle Brook, NJ
SU
Accepting patientsDr. Steven Ugras, MD is a General Surgeon - Hand Surgery Specialist, who primarily practices in Paramus, NJ with 1 additional practice location. He is board certified by the American Board of Surgery.
Paramus, NJ
NA
Plastic Surgeon
Accepting patientsDr. Nebil Aydin, MD is a Plastic Surgeon, who primarily practices in Paramus, NJ with 2 additional practice locations. He is board certified by the American Board of Plastic Surgery and American Board of Surgery.
Paramus, NJ
DB
Surgeon
Accepting patientsDr. Douglas Benson, MD is a Surgeon, who primarily practices in Hackensack, NJ with 1 additional practice location. He has been practicing for over 48 years and is board certified by the American Board of Surgery.
Hackensack, NJ