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Dr. John Kniaz, DO

Gastroenterology* Age 54
Dr. John Kniaz, DO
2.7 (30 Ratings)
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Dr. John Kniaz, DO is a Gastroenterologist in Highland, IN.
Dr. John Kniaz, DO
2.7 (30 Ratings)
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Dr. John Kniaz, DO

Gastroenterology* Age 54
Highland, IN
Accepting new patients
52 years of experience
Dr. John Kniaz, DO is a Gastroenterologist in Highland, IN.

About

Dr. Kniaz graduated from PHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE. Dr. John Kniaz, DO is a Gastroenterologist in Highland, IN and has 52 years experience. Dr. Kniaz currently practices at Practice and are affiliated with Community Hospital, Franciscan Health Crown Point, Franciscan Health Dyer, Franciscan Health Munster and Northwestern Medicine Central Dupage Hospital. Dr. Kniaz has experience treating conditions like Reflux Esophagitis among other conditions at varying frequencies. At present, Dr. Kniaz received an average rating of 2.7/5 from patients and has been reviewed 30 times. Dr. Kniaz's office accepts new patients. Dr. Kniaz accepts multiple insurance plans.

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These providers are on the medical staff of Cleveland Clinic
These providers are on the medical staff of Cleveland Clinic.
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Experience Check

Enter a condition or procedure
Reflux Esophagitis
Esophagitis
Flexible Sigmoidoscopy
Reflux Esophagitis
Esophagitis
Flexible Sigmoidoscopy
Reflux Esophagitis
Esophagitis
Flexible Sigmoidoscopy
Abdominal Pain
Anemia
  • View other providers who treat Anemia
Chronic Gastritis
Constipation
Dysphagia
Esophageal Ulcer
Gastritis
Gastroesophageal Reflux Disease (GERD)
Hemorrhoids
Inflammatory Bowel Disease
Intestinal Diverticulosis
Intestinal Ulcer
Noninfectious Gastroenteritis and Colitis
Ulcerative Colitis
Manometry
Rigid Proctosigmoidoscopy
Alcoholic Cirrhosis
Anal or Rectal Pain
Barrett's Esophagus
Benign Neoplasm of the Digestive System
Celiac Disease
Cirrhosis
Colorectal Polyp
Congenital Achalasia
Crohn's Disease
Dehydration
Diaphragmatic and Hiatal Hernia
Diarrhea
  • View other providers who treat Diarrhea
Diffuse Esophageal Spasm
Duodenal Ulcer
Duodenitis
Dysentery
Enteritis
Eosinophilic Esophagitis
Esophageal Achalasia and Cardiospasm
Esophageal Motility Disorders
Esophageal Varices
Familial Adenomatous Polyposis
Food Allergy
Gallstones
Gas-Bloat Syndrome
Gastric Ulcer
Gastrointestinal Bleeding
Gastrointestinal Malabsorption
Gastroparesis
Gastroptosis
Heartburn
Hepatitis B - Immune Response
Hepatitis C
Hernia
  • View other providers who treat Hernia
Hiatal Hernia
Ileus
  • View other providers who treat Ileus
Indigestion
Intestinal Diverticulitis
Intestinal Obstruction
Irritable Bowel Syndrome
Ischemic Colitis
Lactose Intolerance
Liver Damage from Alcohol
Mallory-Weiss Syndrome
Malnutrition
Nausea
  • View other providers who treat Nausea
Non-Alcoholic Fatty Liver Disease
Non-Neonatal Jaundice
Pancreatitis
Peptic Ulcer
Primary Biliary Cholangitis
Stomal Ulcer
Unexplained Weight Loss
Viral Enteritis
Viral Hepatitis
Vitamin_Deficiency
Vomiting Disorders
Colon Cancer Screening
Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
Colorectal Cancer Screening
Duodenal Polypectomy
Endoscopy
Gallbladder Scan
Hepatitis A Screening
Hepatitis B Virus Screening
Hepatitis C Virus Screening
Hepatitis Screening
Impedance Testing
Instrumental Diagnostic Evaluation for Dysphagia
Liver Function Test
pH Probe
  • View other providers who treat pH Probe
Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage)
Screening Colonoscopy
Ultrasound, Endoanal
Ultrasound, Esophageal
VAP Lipid Testing
Wireless pH Testing

Insurance Accepted

* Please verify this information when scheduling an appointment.
  • HealthSync Options POS
  • Encore Health Network PPO
  • Blue Card PPO
  • Sagamore Plus PPO
  • Anthem Blue Cross Blue Shield PPO
    Anthem Blue Cross Blue Shield HMO
    Blue Preferred Plus POS
  • Blueprint Health
    Blue Cross Blue Shield of Illinois PPO

Locations

  1. 1 Munster Primary Care PC
    9731 Prairie Ave, Highland, IN 46322
    Icon Directions Right Arrow Directions Phone Icon (219) 922-4900
  2. 2 Digestive Disease Center
    9410 Calumet Ave Ste 401, Munster, IN 46321
    Icon Directions Right Arrow Directions Phone Icon (219) 922-4900
  3. 3 Rush Center For Structural Heart Disease-Dyer
    16000 W 101st Ave, Dyer, IN 46311
    Icon Directions Right Arrow Directions Phone Icon (219) 922-4900

Patient Satisfaction

Likelihood to recommend Dr. Kniaz
2.7
Based on 30 Reviews
5 Stars (11)
4 Stars (1)
3 Stars (0)
2 Stars (4)
1 Star (14)

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Patient Reviews
Feb 27, 2021
Dr. Kniaz has been my gastroenterologist since 2003. He has always been knowledgeable, kind, patient and accurate with his advise and diagnosis. I wouldn't go anywhere else.
Sue Murray — Feb 27, 2021
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Photo: Dr. John Kniaz, DO
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Dr. Kniaz's Office & Staff

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Experience with Dr. Kniaz

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  • How well provider explains medical condition(s)
  • How well provider listens and answers questions
  • Hpends appropriate amount of time with patients

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About Me

Specialties*
Gastroenterology
Internal Medicine
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

Education

Medical Education
  • PHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE
    1972
Medical Education
Common Questions and Answers
Responses are sourced directly from patients.
Does Dr. Kniaz communicate via email?
No responses yet.
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(0)
No
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Does Dr. Kniaz offer telehealth services or virtual visits?
No responses yet.
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Does Dr. Kniaz offer an online patient portal?
No responses yet.
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Does Dr. Kniaz have free onsite parking?
No responses yet.
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Does Dr. Kniaz offer weekend visits?
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Does Dr. Kniaz offer evening visits?
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Does Dr. Kniaz specialize in working with children or adolescents?
No responses yet.
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Does Dr. Kniaz specialize in working with seniors?
No responses yet.
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Does Dr. Kniaz specialize in couples therapy?
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(0)
No
(0)
Does Dr. Kniaz specialize in working with LGBTQ+ community?
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(0)
No
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Does Dr. Kniaz accept insurance?
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(0)
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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 Kniaz, DO. To arrange an appointment, call the number on Dr. Kniaz's profile.

Dr. John Kniaz, DO is affiliated with Community Hospital, Franciscan Health Crown Point, Franciscan Health Dyer, Franciscan Health Munster and Northwestern Medicine Central Dupage Hospital.

Hospital Affiliations

  • Community Hospital

    901 MacArthur Blvd, Munster, IN

  • Franciscan Health Crown Point

    12750 Saint Francis Dr, Crown Point, IN

  • Franciscan Health Dyer

    24 Joliet St, Dyer, IN

  • Franciscan Health Munster

    701 Superior Ave, Munster, IN

  • Northwestern Medicine Central Dupage Hospital

    25 N Winfield Rd, Winfield, IL