Summary

Dr. John Kolnik is a gastroenterologist with a secondary focus in family medicine who brings 34 years of medical experience to his practice. He earned his medical degree from Philadelphia College of Osteopathic Medicine and completed his residency at UMDNJ. His dual specialty training allows him to provide both specialized digestive care and comprehensive primary care services. Dr. Kolnik is fluent in Spanish and Russian, enabling him to serve diverse patient populations.

Dr. Kolnik practices at multiple Virtua Health locations throughout New Jersey, including facilities in Voorhees, Haddon Heights, Camden, Mount Holly, and Marlton. He specializes in treating colon polyps, diverticular disease, and diverticulosis. His procedural expertise includes performing lower GI endoscopy and colonoscopy with sedation services. Patients have given him an average rating of 4.0 stars for his care.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4
  • 34 years of experience
  • 48 insurance plans accepted
  • speaks Spanish, Russian
  • Umdnj
  • 8 written reviews
  • 2 specialties
  • 48 areas of expertise
  • 1 hospital affiliation
  • 8 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. John Paul Kolnik has 8 locations

Virtua Gastroenterology Voorhees At Centennial Blvd

502 Centennial Blvd Ste 3Voorhees, NJ 08043
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Virtua Gastroenterology Haddon Heights

217 White Horse PikeHaddon Heights, NJ 08035
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Virtua Voorhees Hospital

100 Bowman DrVoorhees, NJ 08043

Virtua Our Lady Of Lourdes Hospital

1600 Haddon AveCamden, NJ 08103

Virtua Mount Holly Hospital

175 Madison AveMount Holly, NJ 08060

Centennial Surgery Center

502 CENTENNIAL BLVD STE 9VOORHEES, NJ 08043
Mon6:30 am - 4:00 pm
Tue6:30 am - 4:00 pm
Wed6:30 am - 4:00 pm
Thu6:30 am - 4:00 pm
Fri6:30 am - 4:00 pm
SatClosed
SunClosed

Centennial Surgery Center

502 Centennial Blvd Ste 1Voorhees, NJ 08043
Mon6:30 am - 4:00 pm
Tue6:30 am - 4:00 pm
Wed6:30 am - 4:00 pm
Thu6:30 am - 4:00 pm
Fri6:30 am - 4:00 pm
SatClosed
SunClosed

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Dr. John Paul Kolnik, DOAmanda M. Shulski, PA-CMalorie SimonsDr. Dhruvan N. Patel, MD
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
34 Years of Experience 12 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks Spanish, Russian Speaks English
Voorhees , NJDarby , PAPhiladelphia , PADarby , PA
Med School: Philadelphia College Of Osteopathic Medicine Med School: Albany Medical College Med School: Medical College Baroda (India)
Current Profile
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Insurance Plans Accepted by Dr. John Paul Kolnik

  • Accepts Medicare
  • Accepts Medicaid
  • AARP
  • Aetna
  • Aetna - Medicare
  • Aetna Better Health
  • Aetna Better Health - Medicaid (Managed)
  • Ambetter - Medicare
  • AmeriGroup
  • AmeriHealth
  • AmeriHealth - HMO
  • AmeriHealth - PPO
  • Anthem Blue Cross
  • Assurant Health
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Mississippi
  • Braven Health (Horizon Blue Cross Blue Shield of New Jersey)
  • CHAMPVA
  • Cigna
  • Cigna-HealthSpring
  • Cigna-HealthSpring - Medicare (Advantage HMO)
  • Clover Health
  • Clover Health - Medicare (Advantage HMO)
  • EmblemHealth
  • GEHA
  • Horizon Blue Cross Blue Shield of New Jersey
  • Horizon NJ Health
  • Humana
  • Humana - Medicare
  • Humana - Medicare (Advantage HMO)
  • Independence Blue Cross
  • Keystone First
  • Liberty HealthShare
  • MagnaCare
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Meritain Health
  • SAMBA
  • STLDentalPlan| LLC
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - Medicare
  • UnitedHealthcare Community Plan
  • UnitedHealthcare Community Plan - Medicaid (Managed)
  • UnitedHealthcare Oxford
  • US Family Health Plan
  • Wellcare

Medical Specialties

Dr. John Paul Kolnik has the following 2 specialties

Specialty Expertise

Dr. John Paul Kolnik has the following 48 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Acid Reflux Disease (GERD)
  • Barrett Esophagus
  • Capsule Endoscopy
  • Celiac Disease
  • Clostridium Infections
  • Colectomy
  • Colitis
  • Colon Cancer
  • Colon Tumor (Adenomatous Polyps)
  • Colonic Diverticulitis
  • Colonoscopy
  • Colorectal Surgery
  • Constipation
  • Crohn's Disease
  • Diarrhea
  • Endoscopic Retrograde Cholangiopancreatography (ERCP)
  • Esophageal Diseases
  • Esophagectomy
  • Esophagitis
  • Family Medicine
  • Fecal Incontinence
  • Functional Colonic Diseases (Functional Bowel Disorders)
  • Gallstones
  • Gastritis
  • Gastrointestinal Surgery
  • Gastroparesis
  • H. Pylori bacteria (Helicobacter Infections)
  • Heartburn
  • Hemorrhoids
  • Hepatitis
  • Hepatitis B
  • Hepatitis C
  • Inflammatory Bowel Diseases (IBD)
  • Intestinal Diseases
  • Irritable Bowel Syndrome (IBS)
  • Lactose Intolerance
  • Liver Disease (Alcoholic)
  • Nausea
  • Nutritional Support
  • Obesity
  • Pancreas inflammation (Pancreatitis)
  • Peptic Ulcer
  • Sigmoidoscopy
  • Swallowing disorder (Deglutition Disorder)
  • Viral Human Hepatitis
  • Vomiting

Certifications, License, & Education

34 Years Experience

Dr. John Paul Kolnik holds an active medical license in the state of New Jersey.

Medical License

Doctor Of Osteopathy with an active medical license in the state of New Jersey that expires in 2027.

Education & Training

Residency

Completed their residency at Umdnj.

Medical School

Graduated from Philadelphia College Of Osteopathic Medicine in 1992.

NPI Number

Dr. Kolnik's NPI number is 1902894496.

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Frequently Asked Questions

How can I make an appointment with Dr. John Kolnik?
You can find contact information for Dr. John Kolnik here on Vitals.
Does Dr. John Kolnik accept virtual/telehealth appointments?
Dr. John Kolnik has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
What languages does Dr. John Kolnik speak?
Dr. John Kolnik speaks Spanish and Russian.
Where is Dr. John Kolnik's office located?
Dr. John Kolnik's office is located at 502 Centennial Blvd Ste 3, Voorhees, NJ, 08043.
Which hospitals is Dr. John Kolnik affiliated with?
Dr. John Kolnik is affiliated with Virtua Marlton Hospital.

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