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Dr. Alexander Tosiou, MD

Gastroenterology
3.8 (16)
Accepting new patients
30 years of experience

Overview

Dr. Alexander Tosiou, MD is a Gastroenterology Specialist in Grayslake, IL. They specialize in Gastroenterology, has 30 years of experience. They graduated from Loyola University Of Chicago/Stritch School Of Medicine and is affiliated with Northwestern Medicine Lake Forest Hospital.

Dr. Tosiou works at Northwestern Medical Group in Grayslake, IL with other offices in Lake Forest, IL. They frequently treat conditions like Hemorrhoids, Gastroesophageal Reflux Disease (GERD) and Gastritis along with other conditions at varying frequencies. They are accepting new patients and accepts Aetna, Anthem and Anthem Blue Cross Blue Shield as well as other major insurance plans. Please call ahead to schedule an appointment and to confirm all accepted insurance plans.

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User Ratings (of at least 4.0)
Insurance Accepted
Headshot Available
Accepting New Patients
Conditions Treated and Procedures Performed

Locations

  1. 1
    Northwestern Medicine Gastroenterology Grayslake Outpatient Center - Pavilion A
    1475 E Belvidere Rd Ste 301, Grayslake, IL 60030 Icon Directions Right Arrow Directions Phone Icon (847) 535-6083
  2. 2
    Northwestern Medical Group
    800 N Westmoreland Rd Ste 100, Lake Forest, IL 60045 Icon Directions Right Arrow Directions Phone Icon (847) 535-6083

Hospital Affiliations
Admitting Hospitals

Admitting hospitals are where the provider is credentialed to see patients, perform procedures, and send patients for continuous care.

  • Northwestern Medicine Lake Forest Hospital

Experience & Treatment Frequency

NEW FEATURE

What is treatment frequency?

Our treatment frequency feature helps you understand howoften a provider performs or treats a specificprocedure/condition compared to other doctors. Providersrank in one of four frequency categories:

Very HighFrequency
HighFrequency
NormalFrequency
May Perform

Specific procedures/conditions that don’t haveenough data are indicated with “May Perform”. We encourageyou to contact the provider with questions about theirexperience.

Search for conditions or procedures.
Hemorrhoids
Gastroesophageal Reflux Disease (GERD)
Gastritis

Treatment frequency



Many providers have expertise treating multiple conditions or procedures. FindCare uses a variety of data sources to determine which conditions or procedures a provider treats and their level of experience.
Hemorrhoids Chevron Icon
Gastroesophageal Reflux Disease (GERD) Chevron Icon
Gastritis Chevron Icon
Abdominal Pain Chevron Icon
Constipation Chevron Icon
Diaphragmatic and-or Hiatal Hernia Chevron Icon
Diarrhea Chevron Icon
  • View other providers who treat Diarrhea
Diverticulitis, Intestinal Chevron Icon
Diverticulosis, Intestinal Chevron Icon
Dysphagia Chevron Icon
Eosinophilic Esophagitis Chevron Icon
Esophagitis Chevron Icon
Gas-Bloat Syndrome Chevron Icon
Hernia Chevron Icon
  • View other providers who treat Hernia
Hiatal Hernia Chevron Icon
Irritable Bowel Syndrome Chevron Icon
Noninfectious Gastroenteritis and Colitis Chevron Icon
Osteoarthritis of Ankle and Foot Chevron Icon
Reflux Esophagitis Chevron Icon
Arthritis Chevron Icon
Arthritis of the Elbow Chevron Icon
Esophageal Motility Disorders Chevron Icon
Nausea Chevron Icon
  • View other providers who treat Nausea
Osteoarthritis of Shoulder Chevron Icon
ADHD and-or ADD Chevron Icon
Anal or Rectal Pain Chevron Icon
Anemia Chevron Icon
  • View other providers who treat Anemia
Anxiety Chevron Icon
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Asthma Chevron Icon
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Barrett's Esophagus Chevron Icon
Benign Neoplasm of the Digestive System Chevron Icon
Chest Pain Chevron Icon
Colon Cancer Screening Chevron Icon
Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy Chevron Icon
Colorectal Cancer Screening Chevron Icon
COPD (Chronic Obstructive Pulmonary Disease) Chevron Icon
Cough Chevron Icon
  • View other providers who treat Cough
Crohn's Disease Chevron Icon
Diabetes Type 2 Chevron Icon
Diabetes With Renal Manifestations Chevron Icon
Duodenal Polypectomy Chevron Icon
Duodenitis Chevron Icon
Dysentery Chevron Icon
Dyslipidemia Chevron Icon
Endoscopy (Esophagus, Stomach, Small Intestine) Chevron Icon
Enlarged Prostate (BPH) Chevron Icon
Enteritis Chevron Icon
Esophageal Ulcer Chevron Icon
Fibromyalgia Chevron Icon
Gallbladder Scan Chevron Icon
Gastric Ulcer Chevron Icon
Gout Chevron Icon
  • View other providers who treat Gout
Heart Disease Chevron Icon
Heartburn Chevron Icon
Hepatitis A Screening Chevron Icon
Hepatitis B Virus Screening Chevron Icon
Hepatitis C Virus Screening Chevron Icon
Hepatitis Screening Chevron Icon
Hyperlipidemia Chevron Icon
Hypertension Chevron Icon
Hypothyroidism Chevron Icon
Impedance Testing Chevron Icon
Inflammatory Bowel Disease Chevron Icon
Instrumental Diagnostic Evaluation for Dysphagia Chevron Icon
Lactose Intolerance Chevron Icon
Lipid Disorders Chevron Icon
Liver Function Test Chevron Icon
Non-Alcoholic Fatty Liver Disease Chevron Icon
Obesity Chevron Icon
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Osteoarthritis Chevron Icon
Osteoarthritis of Hand or Wrist Chevron Icon
Osteoarthritis of Hands Chevron Icon
Osteoarthritis of Knee Chevron Icon
Osteopenia Chevron Icon
Osteoporosis Chevron Icon
Overweight Chevron Icon
pH Probe Chevron Icon
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Polyneuropathy Chevron Icon
Screening Colonoscopy Chevron Icon
Shortness of Breath Chevron Icon
Sleep Apnea Chevron Icon
Tobacco Use Disorder Chevron Icon
Ulcerative Colitis Chevron Icon
Ultrasound, Endoanal Chevron Icon
Ultrasound, Esophageal Chevron Icon
Unexplained Weight Loss Chevron Icon
VAP Lipid Testing Chevron Icon
Vitamin D Deficiency Chevron Icon
Vomiting Disorders Chevron Icon
Wheezing Chevron Icon
  • View other providers who treat Wheezing
Wireless pH Testing Chevron Icon
Acidosis Chevron Icon
  • View other providers who treat Acidosis
Acute Deep Vein Thrombosis (DVT) Chevron Icon
Acute Venous Embolism Thrombosis Chevron Icon
Alkalosis Chevron Icon
All Headaches (incl. Migraine) Chevron Icon
Allergic Rhinitis Chevron Icon
Animal Allergies Chevron Icon
Asymptomatic Post-Menopausal Status Chevron Icon
Ataxia Chevron Icon
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Atherosclerosis Chevron Icon
Back Pain Chevron Icon
Bedsores Chevron Icon
  • View other providers who treat Bedsores
Benign Chronic Pain Syndrome Chevron Icon
Bladder Infection Chevron Icon
Blood in Urine (Hematuria) Chevron Icon
Calcium Metabolism Disorders Chevron Icon
Candidiasis of Skin and Nails Chevron Icon
Celiac Disease Chevron Icon
Cellulitis Chevron Icon
Chronic Fatigue Syndrome Chevron Icon
Chronic Neck Pain Chevron Icon
Chronic Pain Chevron Icon
Cirrhosis Chevron Icon
Deep Vein Thrombosis (DVT) Chevron Icon
Dehydration Chevron Icon
Dermatitis Chevron Icon
Diabetes Chevron Icon
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Diabetes Counseling Chevron Icon
Diabetes Mellitus, Secondary Chevron Icon
Diabetes Type 1 Chevron Icon
Diabetic Polyneuropathy Chevron Icon
Difficulty With Walking Chevron Icon
Diffuse Esophageal Spasm Chevron Icon
Diverticulitis Chevron Icon
Diverticulosis Chevron Icon
Dizziness Chevron Icon
Duodenal Ulcer Chevron Icon
Electrocardiogram (EKG) Chevron Icon
Emphysema Chevron Icon
Esophageal Diverticulum Chevron Icon
Esophageal Varices Chevron Icon
Essential Tremor Chevron Icon
Familial Adenomatous Polyposis Chevron Icon
Fecal Occult Blood Test for Colorectal Cancer Chevron Icon
Food Allergy Chevron Icon
Gait Abnormality Chevron Icon
Gallstones Chevron Icon
Gastrointestinal Bleeding Chevron Icon
Gastrointestinal Malabsorption Chevron Icon
Gastroparesis Chevron Icon
Genital Warts Chevron Icon
Hair Loss Chevron Icon
Headache Chevron Icon
  • View other providers who treat Headache
Hemochromatosis Chevron Icon
Hepatitis B - Immune Response Chevron Icon
Hepatorenal Syndrome Chevron Icon
Hyperkalemia Chevron Icon
Hypoglycemia Chevron Icon
Hypokalemia Chevron Icon
Hypotension Chevron Icon
Hypotension (Excluding Maternal) Chevron Icon
Ileus Chevron Icon
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Insomnia Chevron Icon
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Intertrigo Chevron Icon
Intestinal Obstruction Chevron Icon
Iodine Deficiency Chevron Icon
Iron Metabolism Disorders Chevron Icon
Ischemic Colitis Chevron Icon
Itchy Skin Chevron Icon
Joint Pain Chevron Icon
Leg and Foot Ulcers Chevron Icon
Limb Swelling Caused by Fluid Overload Chevron Icon
Liver Damage from Alcohol Chevron Icon
Low Back Pain Chevron Icon
Magnesium Metabolism Disorders Chevron Icon
Malaise and Fatigue Chevron Icon
Malnutrition Chevron Icon
Menopausal and Postmenopausal Disorders Chevron Icon
Menstrual Disorders (incl. Dysmenorrhea) Chevron Icon
Migraine Chevron Icon
  • View other providers who treat Migraine
Mineral Metabolism Disorders Chevron Icon
Muscle Spasm Chevron Icon
Muscle Weakness Chevron Icon
Nasopharyngitis Chevron Icon
Nighttime Urination (Nocturia) Chevron Icon
Non-Neonatal Jaundice Chevron Icon
Osteoarthritis of Hip Chevron Icon
Osteoarthritis of Hip and Thigh Chevron Icon
Osteoarthritis of Spine Chevron Icon
Painful Urination (Dysuria) Chevron Icon
Pancreatitis Chevron Icon
Patellofemoral Pain Syndrome or Knee Pain Chevron Icon
Pericardial Disease Chevron Icon
Phlebitis and Thrombophlebitis Chevron Icon
Pneumonia Chevron Icon
Pollen Allergy Chevron Icon
Polymyalgia Rheumatica (PMR) Chevron Icon
Polymyositis Chevron Icon
Polyuria Chevron Icon
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Potassium Deficiency Chevron Icon
Pouchitis Chevron Icon
Primary Biliary Cholangitis Chevron Icon
Primary Sclerosing Cholangitis Chevron Icon
Purpura Chevron Icon
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Radiculopathy (Not Due to Disc Displacement) Chevron Icon
Restless Leg Syndrome Chevron Icon
Rosacea Chevron Icon
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Salivary Gland Cyst Chevron Icon
Salivary Gland Stones and Inflammation Chevron Icon
Sciatica (Not Due to Disc Displacement) Chevron Icon
Sexually Transmitted Diseases (STDs) Chevron Icon
Shingles Chevron Icon
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Sickle Cell Disease Chevron Icon
Sinus Tachycardia Chevron Icon
Symptomatic Menopause Chevron Icon
Thyroid Goiter Chevron Icon
Trigeminal Neuralgia Chevron Icon
Urinary Incontinence Chevron Icon
Urinary Stones Chevron Icon
Urinary Tract Infection (UTI) Chevron Icon
Venous Embolism and Thrombosis Chevron Icon
Venous Insufficiency Chevron Icon
Vertigo Chevron Icon
  • View other providers who treat Vertigo
Viral Hepatitis Chevron Icon
Vitamin B Deficiency Chevron Icon
Vitamin B12 Deficiency Chevron Icon
Warts Chevron Icon
  • View other providers who treat Warts
Check your insurance
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    Please double-check when making an appointment.

    View All Accepted Carriers

    • Aetna
    • Anthem
    • Anthem Blue Cross Blue Shield
    • Beech Street (Multiplan)
    • Blue Cross Blue Shield
    • CareFirst Blue Cross Blue Shield
    • Cigna
    • Cofinity
    • Coventry Health Care
    • Coventry Health Care of Illinois
    • First Health
    • Galaxy Health Network
    • HAP Insurance
    • HealthLink
    • HealthSmart - Interplan Health Group
    • HFN
    • Humana
    • Medicare
    • MultiPlan
    • UnitedHealthCare
    • Worker's Compensation

    * Please verify this information when scheduling an appointment.

    Ratings & Reviews
    Reviews are displayed in date order and collected from patients who have agreed to reporting accurate and fair reviews. Providers with no reviews may have a new FindCare profile, or no submitted reviews on FindCare yet.

    Learn more about how FindCare's ratings and reviews work

    3.8
    Average provider rating
    Based on 16 ratings
    Patient Ratings (16)
    5 Star
    (11)
    4 Star
    (0)
    3 Star
    (0)
    2 Star
    (0)
    1 Star
    (5)
    Leave a review

    How was your appointment with Dr. Tosiou?

    May 12, 2021
    Very pleasant Dr. Highly recommend.
    Natalie — May 12, 2021
    Read more reviews on Healthgrades
    Photo: Dr. Alexander Tosiou, MD
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    Dr. Tosiou's Office & Staff

    • Ease of scheduling urgent appointments
    • Office environment, cleanliness, comfort, etc.
    • Staff friendliness and courteousness
    • Total wait time (waiting & exam rooms)

    Experience with Dr. Tosiou

    • Level of trust in provider's decisions
    • How well provider explains medical condition(s)
    • How well provider listens and answers questions
    • Spends appropriate amount of time with patients

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    About Dr. Alexander Tosiou, MD

    Specialties
    • Gastroenterology
    Specialties
    Years of Experience
    • 30 years of experience
    Years of Experience
    Years of experience represents how long a provider has been practicing in their field since graduating from medical school. Not all providers will have this information available.

    Languages Spoken
    • English
    Languages Spoken
    NPI Number
    • 1184602732
    NPI Number
    A National Provider Identifier (NPI) is a unique 10-digit identifier issued by the government to healthcare providers.

    Education & Certifications

    Fellowship
    • Advocate Lutheran General Hospital|Northwestern University Feinberg School Of Medicine
    Fellowship
    Residency
    • Evanston Northwestern Healthcare|McGaw Medical Center of Northwestern University
    Residency
    Internship
    • Evanston Northwestern Healthcare
    Internship
    Medical Education
    • Loyola University Of Chicago/Stritch School Of Medicine
    Medical Education

    Frequently Asked Questions

    Dr. Alexander Tosiou, MD is accepting new patients on Healthline FindCare. You can check to see if Dr. Tosiou is offering online scheduling or call the provider’s office for more information.

    Dr. Tosiou has an average wait time of Over 45 minutes at their office(s).

    Dr. Tosiou has indicated that they do offer telehealth services. Please call the provider’s office at for more information.

    Dr. Tosiou has seen patients for Hemorrhoids, Gastroesophageal Reflux Disease (GERD) and Gastritis, and more. You can see other conditions treated by Dr. Tosiou on their profile. Please call the provider’s office to confirm all visit reasons.

    16 patients have reviewed Dr. Tosiou. The overall rating for this provider is 3.8. You can read verified reviews and ratings and leave your own review based on your experience with Dr. Tosiou.

    Whether a person prefers to schedule an appointment online or over the phone with Dr. Tosiou, there are benefits to both methods. A person calling to schedule an with Dr. Tosiou appointment can ask questions about the practice, provider availability, conditions treated, procedures performed, and if their insurance carrier is accepted. While online scheduling is quicker, easier, allows one to view a wide range of appointment times, and may provide the ability to sync with a personal calendar.

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