Dr. Alexander Tosiou, MD

Dr. Alexander Tosiou, MD

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Gastroenterology  |  
Male  |  
50 y/o
(10)

Accepting new patients

Dr. Alexander Tosiou, MD is a gastroenterology specialist in Lake Forest, IL and has been practicing for 19 years. He graduated from Loyola University Of Chicago/Stritch School Of Medicine in 1993 and specializes in gastroenterology and internal medicine.

Northwestern Medical Group

800 N Westmoreland Rd Ste 102

Lake Forest, IL 60045
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Accepted insurance

  • Aetna
  • Blue Cross Blue Shield
  • Cigna
  • First Health (Coventry Health Care)
  • HFN
  • Humana
  • MultiPlan
  • UnitedHealthCare

Learn about Dr. Tosiou

Be confident in your decisions by checking out your provider's top areas of care, education, patient reviews and more. Learn about finding the right doctor for you

Top Care Areas

new

See how frequently Dr. Tosiou performs your care needs compared to other doctors.

Diarrhea
very high
more than 99% of peers
Abdominal Disorders
very high
more than 99% of peers
Gastrointestinal Diseases
very high
more than 99% of peers

Dr. Tosiou's percentages are based on the rate of treatment compared to peers nationwide from insurance data. Learn more info about our data and this Top Care Areas component.

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Care Philosophy

This content was provided by Dr. Tosiou ""Better people means better experiences. Our care team is committed to delivering results that change lives." "
2

Specialties

  • Gastroenterology
  • Internal Medicine
2

Board Certifications

  • Gastroenterology
    Accredited by: American Board of Internal Medicine*
  • Internal Medicine
    Accredited by: American Board of Internal Medicine*
72

Conditions Treated

  • Abdominal Disorders
  • Abdominal Pain
  • Abscess
  • Anal Prolapse
  • Anal or Rectal Pain
  • Anemia
  • Autoimmune Diseases
  • Barrett's Esophagus
  • Benign Neoplasm of the Digestive System
  • Benign Tumor
  • Blood Disorders
  • Cancer
  • Celiac Disease
  • Cholecystitis and Gallstones
  • Cholelithiasis
  • Cirrhosis
  • Colitis
  • Colorectal Cancer
  • Constipation
  • Crohn's Disease
  • Dehydration
  • Diaphragmatic and-or Hiatal Hernia
  • Diarrhea
  • Diverticulitis, Intestinal
  • Diverticulosis, Intestinal
  • Duodenal Ulcer
  • Duodenitis
  • Dysentery
  • Dysphagia
  • Enteritis
  • Esophageal Achalasia and Cardiospasm
  • Esophageal Diseases
  • Esophageal Diverticulum
  • Esophageal Ulcer
  • Esophageal Varices
  • Esophagitis
  • Gas-Bloat Syndrome
  • Gastric Ulcer
  • Gastritis
  • Gastroesophageal Reflux Disease (GERD)
  • Gastrointestinal Bleeding
  • Gastrointestinal Diseases
  • Gastrointestinal Malabsorption
  • Gastroparesis
  • Heartburn
  • Hemochromatosis
  • Hemorrhoids
  • Hernia
  • Ileus
  • Indigestion
  • Inflammatory Bowel Disease
  • Intestinal Ischemia
  • Intestinal Obstruction
  • Irritable Bowel Syndrome
  • Liver Damage from Alcohol
  • Malnutrition
  • Mesenteric Panniculitis
  • Nausea
  • Neoplasm of Gastrointestinal Tract
  • Non-Alcoholic Fatty Liver Disease
  • Noninfectious Gastroenteritis and Colitis
  • Pancreatitis
  • Peptic Ulcer
  • Pyloric Stenosis
  • Reflux Esophagitis
  • Small Intestine Cancer
  • Stomach Diseases
  • Stomach and Small Intestine Cancer
  • Ulcer
  • Ulcerative Colitis
  • Unexplained Weight Loss
  • Vomiting Disorders

More

Read More
8

Procedures

  • Colonoscopy
  • Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
  • Endoscopy
  • Endoscopy (Esophagus, Stomach, Small Intestine)
  • Flexible Sigmoidoscopy
  • Gastroenterology Procedures
  • Liver Biopsy
  • Pyloromyotomy

Background Check

0 Malpractice Claims

No malpractice history found for Illinois.

0 Sanctions

No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

No board actions found for the years that Healthgrades collects data.

Education

  • Loyola University
    Undergraduate School | Graduated 1989
  • Loyola University Of Chicago/Stritch School Of Medicine
    Medical School | Graduated 1993
  • Evanston Northwestern Healthcare
    Internship Hospital | Completed 1994
  • McGaw Medical Center of Northwestern University
    Residency Hospital | Completed 1996
  • Advocate Lutheran General Hospital
    Fellowship Hospital | Completed 1999
  • Northwestern University Feinberg School of Medicine
    Fellowship Hospital | Completed

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
  • Alpha Sigma Nu National Jesuit Honor Award, 1994
  • Alpha Epsilon Delta Pre-Medical Honor Society, 1989
  • Janssen Fellow World Congress of Gastro Scholarship, 1998
  • Maurice M. Nesset Research Award, 1999
Media & Publications

Dr. Tosiou has no media or publications listed.

Languages Spoken

  • English

Memberships & Professional Affiliations

Dr. Tosiou does not have any memberships or affiliations listed. If you are Dr. Tosiou and would like to add memberships or affiliations, please update your profile.

Dr. Tosiou's Reviews

Likelihood of recommending Dr. Tosiou to family and friends
4.2
based on 10 total reviews (4 with comments)

Likelihood to Recommend (10)

  • 5
    (8)
  • 4
    (0)
  • 3
    (0)
  • 2
    (0)
  • 1
    (2)

Dr. Tosiou's Performance

Trustworthiness
EXCELLENT
Explains condition(s) well
EXCELLENT
Answers Questions
EXCELLENT
Time well spent
EXCELLENT

Office & Staff Performance

Scheduling
EXCELLENT
Office environment
EXCELLENT
Staff friendliness
EXCELLENT
Average wait time
Under 10 minutes

Patient Comments (4)

in North Chicago, IL |
He's straight forward and direct. That may put some people off, but I'd rather know what I'm dealing with and how easily fixed.
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Lake Villa, IL |
Dr. Tosseou has horrible communication skills with patient and patients family. He never called once when test results came back; leaving me to interpret them myself from the online report. Also, he should not talk about patient when just receiving anesthsia and still fully awake. Dr. Tosseou...more
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in Round Lake Park, IL |
Very thorough before starting treating me for Hep C. During treatment, monitored me very closely, actually saw him every two weeks during treatment. Due to his care, been Hep C free for over 10 years.
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in Waukegan il |
Great he is very pleasant. Takes time for all the issues. He was very respectful of my nursing background and not condescending discussed med history. Had good discussion about RX, procedures and prognosis r/t to my complicated list of problems I appreciated his honest approach without any sugar...more
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Visit Dr. Tosiou

Now Accepting New Patients
Dr. Tosiou accepts 8 insurance carriers
  • Aetna
    Aetna POS
    Aetna PPO
  • Blue Cross Blue Shield
    Blue Cross Blue Shield PPO
  • Cigna
    Cigna PPO
    Great West Healthcare-Cigna PPO
  • First Health (Coventry Health Care)
    First Health (Coventry Health Care) PPO
  • HFN
    HFN PPO
  • Humana
    Choice Care PPO
  • MultiPlan
    MultiPlan PPO
    PHCS Network PPO
  • UnitedHealthCare
    United Healthcare HMO
    United Healthcare POS
    United Healthcare PPO

*Please verify this information when scheduling an appointment.

Hospitals where Dr. Tosiou has admitting privileges

Northwestern Medicine Lake Forest Hospital
660 N Westmoreland Rd
Lake Forest, IL 60045
View Hospital Profile

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