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dr.-mark-david-blitstein-md

Specializes in Adult Gastroenterology

660 N Westmoreland Road; Suite 225
Lake Forest, IL
(847) 295-1300

Clinical interests: Inflammatory Bowel Disease, Colon Cancer Screening, Gastroesophageal Reflux Disease (GERD), ... (Read more)

Dr. Mark Blitstein's specialty is adult gastroenterology. Clinical interests for Dr. Blitstein include colonoscopy, capsule endoscopy, and inflammatory bowel disease. He is affiliated with NorthShore University HealthSystem, Northwestern Lake Forest Hospital, and Northwestern Medical Faculty Foundation. He accepts CIGNA Plans, Private Healthcare Systems (PHCS), and Aetna POS, as well as other insurance carriers. New patients are welcome to contact Dr. Blitstein's office for an appointment. He studied medicine at Loyola University Chicago, Stritch School of Medicine. He trained at McGaw Medical Center of Northwestern University for his residency. He has received the distinction of Castle Connolly Best Doctors. He speaks Spanish.

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dr.-david-m-shapiro-md

Specializes in Adult Gastroenterology

900 N. Westmoreland Road; Suite 225
Lake Forest, IL
(847) 295-1300; (847) 724-4536

Clinical interests: Interventional Endoscopy, Endoscopic Retrograde Cholangiopancreatography (ERCP), Endoscopic ... (Read more)

Dr. David Shapiro is a gastroenterologist in Lake Forest, IL, Chicago, IL, and Glenview, IL. Clinical interests for Dr. Shapiro include pancreas problems, esophageal cancer, and rectal problems. He is professionally affiliated with Northwestern Lake Forest Hospital, Northwestern Medical Faculty Foundation, and Northwestern Memorial Hospital. He studied medicine at the University of Cincinnati College of Medicine and the University of Nevada School of Medicine. For his professional training, Dr. Shapiro completed residency programs at Northwestern Memorial Hospital and Los Angeles County+USC Medical Center. CIGNA Plans, Private Healthcare Systems (PHCS), and Aetna POS are among the insurance carriers that Dr. Shapiro accepts. He has received the following distinction: Elected to Alpha Omega Alpha Honor Society. He is accepting new patients.

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dr.-john-wanyama-matseshe-md

Specializes in Adult Gastroenterology

890 Garfield Avenue; #103
Libertyville, IL
(847) 680-5858

Clinical interests: crohn's disease, irritable bowel syndrome, ulcerative colitis, biliary stone removal, colonoscopy, ... (Read more)

Dr. John Matseshe is a gastroenterologist. His areas of expertise include colonoscopy, crohn's disease, and colon polyps. He takes CIGNA Plans, United Healthcare Plans, Aetna POS, and more. Dr. Matseshe graduated from Makerere University College of Health Sciences and then he performed his residency at Northwestern Memorial Hospital. He is affiliated with Advocate Condell Medical Center and Northwestern Lake Forest Hospital. His practice is open to new patients.

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dr.-robert-allen-hadesman-md

Specializes in Adult Gastroenterology

890 Garfield Avenue; #103
Libertyville, IL
(847) 680-5858

Clinical interests: biliary stone removal, colonoscopy, endoscopic ultrasound, esophogeal gastro duodenoscopy, feeding ... (Read more)

Dr. Robert Hadesman's specialty is adult gastroenterology. Dr. Hadesman's areas of expertise include colonoscopy, colon polyps, and hemorrhoids. He accepts CIGNA Plans, United Healthcare Plans, and Aetna POS, as well as other insurance carriers. He is a graduate of Washington University in St. Louis School of Medicine and a graduate of Northwestern Memorial Hospital's residency program. He has received the following distinction: Chicago Super Doctors. His professional affiliations include NorthShore University HealthSystem, Advocate Condell Medical Center, and Northwestern Lake Forest Hospital.

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dr.-philip-nana-adjei-md

Specializes in Adult Gastroenterology

890 Garfield Avenue; #103
Libertyville, IL
(847) 680-5858

(Average of 1 in 1 rating)

Clinical interests: colon polyps, biliary stone removal, colonoscopy, endoscopic ultrasound, esophogeal gastro ... (Read more)

Dr. Philip Adjei practices adult gastroenterology. He has indicated that his clinical interests include colonoscopy, hemorrhoids, and colon polyps. He takes CIGNA Plans, United Healthcare Plans, Aetna POS, and more. Dr. Adjei is a graduate of the University of Ghana Medical School. Dr. Adjei's medical residency was performed at Howard University Hospital and Mayo Clinic. He is professionally affiliated with Advocate Condell Medical Center and Northwestern Lake Forest Hospital. His practice is open to new patients.

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dr.-arkan-i-alrashid-md

Specializes in Adult Gastroenterology

1880 W Winchester Road; Suite 201
Libertyville, IL
(847) 247-0187

(Average of 5 in 1 rating)

Clinical interests: endoscopic banding of hemorrhoids, endoscopy of the bile duct, liver biopsy, sigmoidoscopy ... (Read more)

Dr. Arkan Alrashid is a gastroenterologist. Dr. Alrashid speaks Arabic. His clinical interests include liver biopsy. He is professionally affiliated with Advocate Condell Medical Center. Before performing his residency at Chicago Medical School, Dr. Alrashid attended Al-Mustansiriya College of Medicine for medical school. He is an in-network provider for CIGNA Plans, Private Healthcare Systems (PHCS), United Healthcare Plans, and more.

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dr.-alexander-steve-tosiou-md

Specializes in Adult Gastroenterology

660 N Westmoreland Road; Suite 225
Lake Forest, IL
(847) 295-1300

Clinical interests: Inflammatory Bowel Disease, Colon Cancer Screening, Gastroesophageal Reflux Disease (GERD), ... (Read more)

Dr. Alexander Tosiou's medical specialty is adult gastroenterology. Clinical interests for Dr. Tosiou include colonoscopy, capsule endoscopy, and inflammatory bowel disease. Dr. Tosiou is professionally affiliated with Northwestern Lake Forest Hospital, Northwestern Medical Faculty Foundation, and Northwestern University Feinberg School of Medicine. He is an in-network provider for several insurance carriers, including CIGNA Plans, Private Healthcare Systems (PHCS), and Aetna POS. New patients are welcome to contact his office for an appointment. He is a graduate of Loyola University Chicago, Stritch School of Medicine. Dr. Tosiou's medical residency was performed at Evanston Hospital, Evanston Northwestern Healthcare, and McGaw Medical Center of Northwestern University.

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dr.-tara-n-troy-md

Specializes in Adult Gastroenterology

660 N Westmoreland Road; Suite 225
Lake Forest, IL
(847) 295-1300

(Average of 5 in 2 ratings)

Clinical interests: Colon Cancer Screening, Irritable Bowel Syndrome, Liver/Hepatic Disease, Gastroesophageal Reflux ... (Read more)

Dr. Tara Troy specializes in adult gastroenterology and practices in Lake Forest, IL, Chicago, IL, and Grayslake, IL. Her areas of clinical interest consist of colorectal cancer screening, inflammatory bowel disease, and irritable bowel syndrome (IBS). She is an in-network provider for CIGNA Plans, Private Healthcare Systems (PHCS), and Aetna POS, in addition to other insurance carriers. Dr. Troy attended medical school at Rush Medical College. Her training includes a residency program at the University of Chicago Medical Center. She is professionally affiliated with NorthShore University HealthSystem, Northwestern Lake Forest Hospital, and Northwestern Medical Faculty Foundation. Dr. Troy is open to new patients.

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No Photo

Specializes in Adult Gastroenterology

225 N. Milwaukee Avenue; Suite 1500
Vernon Hills, IL
(847) 657-1900

(Average of 5 in 1 rating)

Clinical interests: Colorectal Cancer, Gerd, Irritable Bowel Syndrome

Dr. Monica Borkar specializes in adult gastroenterology. She has a special interest in colorectal cancer (colon cancer), irritable bowel syndrome (IBS), and acid reflux (GERD). Her professional affiliations include NorthShore University HealthSystem Medical Group and NorthShore University HealthSystem Faculty Practice Associates. Dr. Borkar honors CIGNA Plans, Private Healthcare Systems (PHCS), and Aetna, as well as other insurance carriers. She obtained her medical school training at Northwestern University, Feinberg School of Medicine and performed her residency at Boston Medical Center. Dr. Borkar speaks French.

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No Photo

Specializes in Adult Gastroenterology

225 N. Milwaukee Avenue; Suite 1500
Vernon Hills, IL
(847) 657-1900; (847) 941-7900

Clinical interests: Advanced Therapeutic Endoscopy, Pancreaticobiliary Disease

Dr. Shailesh Bajaj sees patients in Highland Park, IL and Vernon Hills, IL. His medical specialty is adult gastroenterology. His areas of expertise include pancreas problems and biliary disorders (gallbladder and bile ducts). He is affiliated with NorthShore University HealthSystem Medical Group and NorthShore University HealthSystem Faculty Practice Associates. Dr. Bajaj is an in-network provider for CIGNA Plans, Private Healthcare Systems (PHCS), and Aetna, in addition to other insurance carriers. He studied medicine at S.N. Medical College, Agra. His training includes a residency program at Aurora Health Care. Dr. Bajaj speaks Hindi.

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dr.-nazneen-s-ahmed-md

Specializes in Adult Gastroenterology

890 Garfield Avenue; #103
Libertyville, IL
(847) 680-5858

(Average of 5 in 2 ratings)

Clinical interests: barrett's esophagus, biliary stone removal, colonoscopy, endoscopic ultrasound, esophogeal gastro ... (Read more)

Dr. Nazneen Ahmed sees patients in Libertyville, IL. Her medical specialty is adult gastroenterology. Before performing her residency at John Stroger Hospital of Cook County, Dr. Ahmed attended Mymensingh Medical College and Dhaka Medical College for medical school. These areas are among her clinical interests: colonoscopy, barrett's esophagus, and colon polyps. Dr. Ahmed is an in-network provider for CIGNA Plans, United Healthcare Plans, and Aetna POS, in addition to other insurance carriers. In addition to English, Dr. Ahmed speaks Hindi and Bengali. She is professionally affiliated with Advocate Condell Medical Center and Northwestern Lake Forest Hospital. New patients are welcome to contact her office for an appointment.

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richard-h-sandler-md

Specializes in Pediatric Gastroenterology, Adult Hepatology

900 N. Westmoreland Road; Suite 100
Lake Forest, IL

(Average of 5 in 1 rating)

Clinical interests: Inflammatory Bowel Disease, Abdominal Pain, Irritable Bowel Syndrome, Neurological Complications - ... (Read more)

Dr. Richard Sandler is a specialist in pediatric gastroenterology and adult hepatology. He works in Chicago, IL and Lake Forest, IL. His areas of clinical interest consist of nutritional deficiencies, inflammatory bowel disease, and abdominal pain. He is professionally affiliated with Northwestern Lake Forest Hospital. Dr. Sandler honors Medicare insurance. He welcomes new patients. Before performing his residency at a hospital affiliated with MSU College of Human Medicine, Dr. Sandler attended Michigan State University College of Human Medicine for medical school. He has received the distinction of Chicago Super Doctors.

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miguel-saps-md

Specializes in Pediatric Gastroenterology

900 N. Westmoreland Road; Suite 209
Lake Forest, IL
(847) 535-8246; (847) 486-6550

Clinical interests: Pediatric Gastroenterology, Gastrointestinal Motility, Functional Gastrointestinal Disorders in ... (Read more)

Dr. Miguel Saps sees patients in Chicago, IL, Lake Forest, IL, and Glenview, IL. His medical specialty is pediatric gastroenterology. He is a graduate of the University of the Republic Faculty of Medicine. For his residency, Dr. Saps trained at Maimonides Medical Center. His areas of expertise include the following: gastrointestinal motility and pain. He honors CIGNA Plans, Private Healthcare Systems (PHCS), and United Healthcare Plans, in addition to other insurance carriers. Dr. Saps (or staff) is conversant in Spanish and Hebrew. Dr. Saps is professionally affiliated with Ann & Robert H. Lurie Children's Hospital of Chicago, Northwestern Lake Forest Hospital, and Northwestern Memorial Hospital. His practice is open to new patients.

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thirumazhisai-s-gunasekaran-md,-faap

Specializes in Pediatric Gastroenterology

890 Garfield; Suite 202
Libertyville, IL
(847) 723-7700

(Average of 4 in 5 ratings)

Clinical interests: abdominal pain, constipation, dietician / nutrition counseling, gastro esophogeal reflux disease, ... (Read more)

Dr. T. Gunasekaran is a pediatric gastroenterology specialist in Park Ridge, IL, Chicago, IL, and Maywood, IL. Patients gave him an average rating of 4.0 stars out of 5. Dr. Gunasekaran's areas of expertise include crohn's disease, vomiting, and ulcerative colitis. His professional affiliations include Advocate Condell Medical Center, St. Alexius Medical Center, and Advocate Lutheran General Hospital. Dr. Gunasekaran accepts CIGNA Plans, United Healthcare Plans, and Aetna POS, in addition to other insurance carriers. He studied medicine at Madras Medical College. His medical residency was performed at Government General Hospital and a hospital affiliated with the University of British Columbia. Dr. Gunasekaran has received professional recognition including the following: Chicago Super Doctors. He is conversant in Tamil.

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dr.-trevor-warren-lissoos-md

Specializes in Adult Gastroenterology

660 N Westmoreland Road; Suite 225
Lake Forest, IL
(847) 295-0013; (847) 295-1300

Clinical interests: Hepatology, Colon Cancer Screening

Dr. Trevor Lissoos specializes in adult gastroenterology and practices in Chicago, IL, Lake Forest, IL, and Grayslake, IL. In his practice, he is particularly interested in colorectal cancer screening and hepatology. Dr. Lissoos honors several insurance carriers, including CIGNA Plans, Private Healthcare Systems (PHCS), and Aetna POS. He obtained his medical school training at the University of the Witwatersrand, Johannesburg and performed his residency at Michael Reese Hospital and The Charlotte Maxeke Johannesburg Academic Hospital. He has received the distinction of Chicago Super Doctors. He is professionally affiliated with Northwestern Lake Forest Hospital, Northwestern Medical Faculty Foundation, and Northwestern University Feinberg School of Medicine. Dr. Lissoos is accepting new patients.

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dr.-frank-g-martini-md

Specializes in Adult Gastroenterology

660 N Westmoreland Road; Suite 225
Lake Forest, IL
(847) 295-1300; (847) 615-2299

(Average of 5 in 2 ratings)

Clinical interests: Inflammatory Bowel Disease, Colon Cancer Screening, Gastroesophageal Reflux Disease (GERD), ... (Read more)

Dr. Frank Martini's specialty is adult gastroenterology. He obtained his medical school training at Loyola University Chicago, Stritch School of Medicine and performed his residency at a hospital affiliated with Loyola University. His areas of clinical interest consist of colonoscopy, capsule endoscopy, and inflammatory bowel disease. Dr. Martini accepts CIGNA Plans, Private Healthcare Systems (PHCS), and Aetna POS, as well as other insurance carriers. He is professionally affiliated with Northwestern Lake Forest Hospital, Northwestern Medical Faculty Foundation, and Northwestern University Feinberg School of Medicine. He is accepting new patients.

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What is Gastroenterology?

A gastroenterologist is a doctor that specializes in the normal function and diseases of the digestive tract, which includes the stomach, intestines, spleen, pancreas, and liver. As a specialty, gastroenterology is the study of how food moves through the body, how nutrients are absorbed by the body, and how waste is removed by the body. A few of the conditions that a gastroenterologist might treat are:
  • ulcerative colitis (a condition where inflammation and sores affect the lower intestine)
  • gallbladder disease (where bile stored in the gallbladder thickens and causes inflammation or gallstones)
  • gastroesophageal reflux disease, or GERD (stomach acid flows back into the throat and causes a burning sensation and tissue damage)

One unique trait that really sets gastroenterologists apart is their training and skill with endoscopy, a procedure where tiny flexible tubes are inserted into the body. These tubes are equipped with lights and cameras to provide the practitioner with a close, inside look at what is going on inside the patient’s body. Tools can even be inserted through the tubes to perform certain procedures, such as removing polyps or cancers, stretching open passageways that have narrowed, or applying lasers to stop bleeding.

Gastroenterologists do not perform surgery, but they do perform endoscopic procedures, as well as biopsies to determine if cancer is affecting the digestive tract. Although other physicians can use endoscopes, gastroenterologists devote a significant portion of their medical training and practice to endoscopy. They learn how and when to use endoscopy, the safest and most efficient methods to use, and how to interpret what they see through the endoscope.

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