See All Gastroenterologists in Voorhees, NJ

Dr. John Kolnik, DO

Gastroenterology* Age 54
Dr. John Kolnik, DO
5.0 (3 Ratings)

Offers telehealth

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Dr. John Kolnik, DO is a Gastroenterologist in Voorhees, NJ.
Dr. John Kolnik, DO
5.0 (3 Ratings)
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Dr. John Kolnik, DO

Gastroenterology* Age 54
Voorhees, NJ
Accepting new patients
32 years of experience

Offers telehealth

Dr. John Kolnik, DO is a Gastroenterologist in Voorhees, NJ.
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About

Dr. Kolnik graduated from PHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE. Dr. John Kolnik, DO is a Gastroenterologist in Voorhees, NJ and has 32 years experience. Dr. Kolnik currently practices at Virtua Gastroenterology - Voorhees at Centennial Blvd and are affiliated with Virtua Mount Holly Hospital. Dr. Kolnik has experience treating conditions like Intestinal Diverticulosis, Gastroparesis and Gastritis among other conditions at varying frequencies. At present, Dr. Kolnik received an average rating of 5.0/5 from patients and has been reviewed 3 times. Dr. Kolnik's office accepts new patients and telehealth appointments. Dr. Kolnik is board certified in Gastroenterology and accepts multiple insurance plans.

Offers Telehealth

This provider offers telehealth appointments. Call the office to schedule.

Explains Conditions Well

Patients said this doctor explains conditions well.

Trustworthy

Patients said this doctor is trustworthy.

Friendly Staff

Patients said the staff was friendly.

Locations

  1. 1 Virtua Gastroenterology - Voorhees at Centennial Blvd
    502 Centennial Blvd Ste 3, Voorhees, NJ 08043
  2. 2 Virtua Gastroenterology
    239 Hurffville Crosskeys Rd Ste 360, Sewell, NJ 08080
  3. 3 Virtua Gastroenterology - Haddon Heights
    217 White Horse Pike, Haddon Heights, NJ 08035

Experience and Background Check

Intestinal Diverticulosis
Gastroparesis
Gastritis
Intestinal Diverticulosis
Gastroparesis
Gastritis
Celiac Disease
Chronic Gastritis
Constipation
Esophagitis
Gastroesophageal Reflux Disease (GERD)
Hemorrhoids
Reflux Esophagitis
Abdominal Pain
Anal or Rectal Pain
Anemia
  • View other providers who treat Anemia
Barrett's Esophagus
Cirrhosis
Colorectal Polyp
Crohn's Disease
Diaphragmatic and Hiatal Hernia
Diarrhea
  • View other providers who treat Diarrhea
Diffuse Esophageal Spasm
Duodenal Ulcer
Duodenitis
Dysentery
Dysphagia
Enteritis
Esophageal Motility Disorders
Esophageal Ulcer
Esophageal Varices
Gallstones
Gas-Bloat Syndrome
Gastric Ulcer
Gastrointestinal Bleeding
Gastrointestinal Malabsorption
Gastroptosis
Hepatitis C
Infectious Diarrheal Disease
Inflammatory Bowel Disease
Intestinal Diverticulitis
Intestinal Obstruction
Intestinal Ulcer
Irritable Bowel Syndrome
Malnutrition
Nausea
  • View other providers who treat Nausea
Non-Alcoholic Fatty Liver Disease
Noninfectious Gastroenteritis and Colitis
Peptic Ulcer
Pouchitis
Ulcerative Colitis
Unexplained Weight Loss
Viral Enteritis
Vitamin_Deficiency
Vomiting Disorders
Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
Duodenal Polypectomy
Flexible Sigmoidoscopy
Manometry
Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage)
Rigid Proctosigmoidoscopy
Acute Gastritis
Alcoholic Cirrhosis
Ascites
  • View other providers who treat Ascites
Barretts Esophagus with Dysplasia
Benign Neoplasm of the Digestive System
Bile Duct Obstruction
Biliary Cirrhosis
Bowel Strangulation
Cholangitis
Congenital Anomaly Esophagus
Congenital Anomaly Intestine
Cyclical Vomiting
Dehydration
Diverticulitis
Diverticulosis
Duodenal Cancer
Eosinophilic Esophagitis
Esophageal Achalasia and Cardiospasm
Esophageal Diverticulum
Familial Adenomatous Polyposis
Folate Deficiency Anemia
Food Allergy
Heartburn
Hemochromatosis
Hepatitis B
Hepatitis B - Immune Response
Hepatitis D
Hepatorenal Syndrome
Hernia
  • View other providers who treat Hernia
Hiatal Hernia
Ileus
  • View other providers who treat Ileus
Indigestion
Intestinal Malabsorption Carbohydrate
Ischemic Colitis
Lactose Intolerance
Liver Damage from Alcohol
Mallory-Weiss Syndrome
Mesenteric Panniculitis
Neoplasm of Gastrointestinal Tract
Pancreatic Pseudocyst
Pancreatitis
Pelvic Abscess
Pernicious Anemia
Primary Biliary Cholangitis
Primary Sclerosing Cholangitis
Proctoptosis
Pyloric Stenosis
Rectal Prolapse
Rectal Ulcer
Retroperitoneum Cancer
Splenic Infarct
Stomal Ulcer
Upper Digestive Tract Cancer
Viral Hepatitis
Viral Infection
Vitamin B12 Anemia
Bile Duct Procedure
Colon Cancer Screening
Colonoscopy
Colorectal Cancer Screening
ERCP (Endoscopic Retrograde Cholangiopancreatography)
Gallbladder Scan
Hemorrhoidectomy or Excision of Anal Tags
Hepatitis A Screening
Hepatitis B Virus Screening
Hepatitis C Virus Screening
Hepatitis Screening
Impedance Testing
Instrumental Diagnostic Evaluation for Dysphagia
Liver Biopsy
Liver Function Test
pH Probe
  • View other providers who treat pH Probe
Proctosigmoidoscopy
Screening Colonoscopy
Ultrasound
VAP Lipid Testing
Wireless pH Testing

Patient Satisfaction

Likelihood to recommend Dr. Kolnik
5.0
Based on 3 Reviews
5 Stars (3)
4 Stars (0)
3 Stars (0)
2 Stars (0)
1 Star (0)

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Patient Reviews
Jul 06, 2024
Dr. Kolnik is an asset to Virtua. He takes his time, he listens to you. He knows my history. He answers questions thoroughly. Dr. Kolnik is concerned with your health; so he asks about other issues in your lifestyle that may affect your condition. He’s very knowledgeable and keeps a breast of medical Changes.
Patricia Azores — Jul 06, 2024
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Dr. Kolnik's Office & Staff

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Insurance Accepted

* Please verify this information when scheduling an appointment.
  • Curative EPO
    Curative PPO Plus
    Curative PPO
  • Aetna
  • MagnaCare PPO
    MagnaCare
  • Cigna PPO
    Open Access Plus
    Cigna
  • Liberty Mutual Insurance Company
  • Harvard Pilgrim Health Care PPO

About Me

Biography
  • Dr. John Kolnik, DO is a gastroenterologist in Voorhees, NJ and has over 31 years of experience in the medical field. He graduated from PHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE in 1992. He specializes in Gastroenterology.
Biography
Specialties*
Gastroenterology
Specialties*
  • *Sharecare does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Education

Medical Education

Medical Education
  • PHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE
    1992
Medical Education

Board Certifications

Board Certifications
  • Gastroenterology
Board Certifications
What’s a board certification and why is it important that my provider has one?

A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.
Common Questions and Answers
Responses are sourced directly from patients.
Does Dr. Kolnik communicate via email?
1 user said yes.
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Does Dr. Kolnik offer telehealth services or virtual visits?
1 user said yes.
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Does Dr. Kolnik offer an online patient portal?
1 user said yes.
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Does Dr. Kolnik have free onsite parking?
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Does Dr. Kolnik offer weekend visits?
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Frequently Asked Questions

Find contact information here to make an appointment.

A list of accepted insurance providers is available on the Sharecare insurance check. It is always a good idea to verify your insurance when making an appointment.

New patients are generally accepted by Dr. John Kolnik, DO. To arrange an appointment, call the number on Dr. Kolnik's profile.

Dr. Kolnik frequently treats the following conditions: Intestinal Diverticulosis, Gastroparesis and Gastritis. See more on Sharecare.

Dr. John Kolnik, DO is affiliated with Virtua Mount Holly Hospital.

Yes, Dr. John Kolnik, DO holds board certification in Gastroenterology.

Dr. Kolnik has over 32 years of healthcare experience.

Hospital Affiliations

  • Virtua Mount Holly Hospital

    175 Madison Ave, Mount Holly, NJ

Dr. John Kolnik, DO

Dr. John Kolnik, DO

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