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Dr. Tamer Atassi, MD
Gastroenterology* Age 57
Dr. Tamer Atassi, MD
Dr. Tamer Atassi, MD is a Gastroenterologist in New Lenox, IL.
Dr. Tamer Atassi, MD

Dr. Tamer Atassi, MD

Gastroenterology* Age 57
New Lenox, IL
Accepting new patients
33 years of experience
Dr. Tamer Atassi, MD is a Gastroenterologist in New Lenox, IL.
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About Dr. Tamer Atassi, MD

Dr. Atassi graduated from Damascus University in 1993 and completed a residency at IU Health University. Dr. Tamer Atassi, MD is a Gastroenterologist in New Lenox, IL and has 33 years experience. Dr. Atassi has experience treating conditions like Pancreatitis, Liver Damage from Alcohol, Intestinal Obstruction, Ileus, Constipation, Alcoholic Cirrhosis, Enteritis, Intestinal Diverticulitis, Infectious Diarrheal Disease, Anemia, Dysphagia, Gastrointestinal Bleeding, Gallstones, Duodenal Ulcer, Cirrhosis, Bile Duct Obstruction, Esophageal Varices, Alcoholic Hepatitis, Gastric Ulcer and Diarrhea among other conditions at varying frequencies. Dr. Atassi's office accepts new patients. Dr. Atassi also speaks Arabic. Dr. Atassi is board certified in Gastroenterology and accepts multiple insurance plans.

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Experience Check

Enter a condition or procedure
Pancreatitis
Liver Damage from Alcohol
Intestinal Obstruction
Pancreatitis
Liver Damage from Alcohol
Intestinal Obstruction
Ileus
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Constipation
Alcoholic Cirrhosis
Enteritis
Intestinal Diverticulitis
Infectious Diarrheal Disease
Anemia
  • View other providers who treat Anemia
Dysphagia
Gastrointestinal Bleeding
Gallstones
Duodenal Ulcer
Cirrhosis
Bile Duct Obstruction
Esophageal Varices
Alcoholic Hepatitis
Gastric Ulcer
Diarrhea
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Intestinal Ulcer
Hypokalemia
Ascites
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Gastritis
ERCP (Endoscopic Retrograde Cholangiopancreatography)
Vomiting Disorders
Gastroesophageal Reflux Disease (GERD)
Laparoscopic Removal of Stones from Biliary Tract
Abdominal Pain
Noninfectious Gastroenteritis and Colitis
Irritable Bowel Syndrome
Barrett's Esophagus
Manometry
Rigid Proctosigmoidoscopy
Flexible Sigmoidoscopy
Inflammatory Bowel Disease
Esophageal Motility Disorders
Metabolic Dysfunction Associated Steatotic Liver Disease (MASLD)
Ulcerative Colitis
Retroperitoneum Cancer
Pyloric Stenosis
Hemorrhoids
Gastroparesis
Diaphragmatic and Hiatal Hernia
Nausea
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Pancreas Surgeries
Esophageal Ulcer
Gastroptosis
Dehydration
Endoscopy
Duodenal Polypectomy
Intestinal Diverticulosis
Malnutrition
Esophageal Achalasia and Cardiospasm
Esophagitis
Gastrojejunal Ulcer
Crohn's Disease
Colonoscopy
Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
Viral Enteritis
Duodenitis
Anal or Rectal Pain
Unexplained Weight Loss
Eosinophilic Esophagitis
Chronic Gastritis
Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage)
Gas-Bloat Syndrome
Indigestion
Acute Gastritis
Colorectal Polyp
Heartburn
Sigmoidoscopy
Hepatitis C
Upper Digestive Tract Cancer
Reflux Esophagitis
Cyclical Vomiting
Hemorrhoidectomy or Excision of Anal Tags
Gastrointestinal Malabsorption
Vitamin_Deficiency
Familial Adenomatous Polyposis
Dysentery
Celiac Disease
Alcoholic Fatty Liver
Alcoholic Gastritis
Alcoholic Hepatic Failure
All Types of Food Poisoning
Autoimmune Hepatitis
Bacterial Dysentery
Barretts Esophagus with Dysplasia
Benign Neoplasm of the Digestive System
Biliary Cirrhosis
Boerhaave's Syndrome
Bowel Strangulation
Cholangitis
Chronic Cholecystitis
Colon Cancer
Congenital Achalasia
Congenital Anomaly Bile Duct
Congenital Anomaly Esophagus
Congenital Anomaly Intestine
Diffuse Esophageal Spasm
Duodenal Cancer
E. coli Food Poisoning
Esophageal Diverticulum
Feculent Vomiting
Folate Deficiency Anemia
Food Allergy
Food Poisoning
Giardiasis
Hemochromatosis
Hepatitis A
Hepatitis B
Hepatorenal Syndrome
Hernia
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Hiatal Hernia
Hiatal Hernia with Obstruction
Intestinal Fistula
Intestinal Prolapse
Ischemic Colitis
Jejunum Cancer
Lactose Intolerance
Liver Abscess
Long COVID Disorder
Mallory-Weiss Syndrome
Megacolon
Neoplasm of Gastrointestinal Tract
Neurogenic Bowel
Non-Neonatal Jaundice
Pancreatic Pseudocyst
Pelvic Abscess
Peptic Ulcer
Pernicious Anemia
Primary Biliary Cholangitis
Primary Sclerosing Cholangitis
Proctoptosis
Pylorospasm
Rectal Prolapse
Rectal Ulcer
Salmonella Food Poisoning
Sclerosing Mesenteritis
Small Intestine Infarction
Splenic Infarct
Splenomegaly
Stomach Stenosis
Thiamin Deficiency
Toxic Megacolon
Viral Hepatitis
Vitamin B Complex Deficiency
Vitamin B12 Anemia
Bile Duct Procedure
Biliary Drainage
Colon Cancer Screening
Colorectal Cancer Screening
Gallbladder Scan
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
Screening Colonoscopy
Transendoscopic Stent Placement
Ultrasound, Endoanal
Ultrasound, Esophageal
VAP Lipid Testing
Wireless pH Testing

Accepted Insurance Plans

* Please verify this information when scheduling an appointment.
  • Navigate POS
    Navigate HMO
    Options PPO
    Medica Choice
    Nexus Open Access
    Choice Plus POS
  • Curative PPO
    Curative EPO
    Curative PPO Plus
  • Blue Card PPO
    Blue Card High Performance Network HPN
  • First Health (Coventry Health Care) PPO
  • Blue Cross Blue Shield of Illinois PPO
    Blue Choice Select PPO
    BlueCare Direct HMO
    Blue Print PPO
  • HMO Premier HMO
    Preferred PPO
    Choice POS
    Choice Care PPO
    Choice Care Network PPO
  • Elect Choice (Open Access) EPO
    Open Choice PPO
    Premier Care Network Plus - Innovation Health
    Choice Plus POS II
    Aetna
    Managed Choice (Open Access) POS

Where Dr. Tamer Atassi, MD Sees Patients

  1. 1 Office
    678 Cedar Crossings Dr Ste 100, New Lenox, IL 60451
  2. 2 Office
    210 N Hammes Ave Ste 208, Joliet, IL 60435
  3. 3 Midwest Center for Digestive Health SC
    9921 Southwest Hwy, Oak Lawn, IL 60453

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Meet Dr. Tamer Atassi, MD

Languages Spoken
Arabic
Languages Spoken
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.
Common Questions and Answers
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Does Dr. Atassi communicate via email?
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Does Dr. Atassi offer telehealth services or virtual visits?
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Does Dr. Atassi offer an online patient portal?
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Does Dr. Atassi have free onsite parking?
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Does Dr. Atassi specialize in working with children or adolescents?
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FAQs About Dr. Atassi's Practice

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. Tamer Atassi, MD. To arrange an appointment, call the number on Dr. Atassi's profile.

Dr. Atassi frequently treats the following conditions: Pancreatitis, Liver Damage from Alcohol, Intestinal Obstruction, Ileus, Constipation, Alcoholic Cirrhosis, Enteritis, Intestinal Diverticulitis, Infectious Diarrheal Disease, Anemia, Dysphagia, Gastrointestinal Bleeding, Gallstones, Duodenal Ulcer, Cirrhosis, Bile Duct Obstruction, Esophageal Varices, Alcoholic Hepatitis, Gastric Ulcer and Diarrhea. See more on Sharecare.

Dr. Tamer Atassi, MD is affiliated with Advocate Christ Medical Center, Northwestern Medicine Central Dupage Hospital and Silver Cross Hospital.

Yes, Dr. Tamer Atassi, MD holds board certification in Gastroenterology.

Training & Medical Education
Medical Education
  • Damascus University
    1993
Medical Education
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.
Internship
  • IU Health University
    1997
Internship
Residency Hospital
  • IU Health University
    1999
Residency Hospital
Fellowship Hospital
  • The Johns Hopkins Hospital
    2002
Fellowship Hospital

Hospitals Where Dr. Tamer Atassi, MD Practices

  • Advocate Christ Medical Center

    4440 W 95th St, Oak Lawn, IL

  • Northwestern Medicine Central Dupage Hospital

    25 N Winfield Rd, Winfield, IL

  • Silver Cross Hospital

    1900 Silver Cross Blvd, New Lenox, IL

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