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Dr. Alexander Tosiou, MD

Gastroenterology* Age 56
Dr. Alexander Tosiou, MD
3.8 (18 Ratings)
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Dr. Alexander Tosiou, MD is a Gastroenterology Specialist in Grayslake, IL.
Dr. Alexander Tosiou, MD
3.8 (18 Ratings)
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Dr. Alexander Tosiou, MD

Gastroenterology* Age 56
Grayslake, IL
Accepting new patients
31 years of experience
Dr. Alexander Tosiou, MD is a Gastroenterology Specialist in Grayslake, IL.

About

Dr. Alexander Tosiou, MD is a Gastroenterology Specialist in Grayslake, IL and has 31 years experience. They graduated from Loyola University Chicago Stritch School of Medicine in 1993 and completed a residency at Evanston Northwestern Healthcare|McGaw Medical Center of Northwestern University.They currently practice at Northwestern Medicine Gastroenterology Grayslake Outpatient Center and are affiliated with Northwestern Medicine Lake Forest Hospital. Dr. Tosiou has experience treating conditions like Hemorrhoids, Abdominal Pain and Gastroesophageal Reflux Disease (GERD) among other conditions at varying frequencies. At present, Dr. Tosiou received an average rating of 3.8/5 from patients and has been reviewed 18 times. Their office accepts new patients. Dr. Tosiou is board certified in Gastroenterology and accepts multiple insurance plans.

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Experience Check

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

Insurance Accepted

* Please verify this information when scheduling an appointment.
  • Aetna Better Health
    Aetna Choice (Aetna HealthFund) POS II
    Aetna HMO
    Aetna Savings Plus of AZ
    Aetna Student Health
    Aexcel Choice POS
    Aexcel Choice POS II
    Aexcel Elect Choice (Open Access) EPO
    Choice Plus POS II
    Elect Choice
    Limited Benefits Insurance Plan PPO
    Open Access Aetna Select
    Open Access Aetna Select (Aetna HealthFund)
    Open Access Elect Choice
    Premier Care Network
    Select
    Traditional Choice
    Value Performance Network
    Voluntary Group Medical Plan
  • National (BlueCard) PPO
  • Anthem Blue Cross Blue Shield PPO
  • Open Access
  • Blue Advantage PPO
  • Blue Advantage PPO
    Blue Card PPO
    Blue Choice PPO
    Blue HMO
  • Select Plus HMO
  • Blue Choice PPO
  • Medicare
  • HealthyBlue 2.0
    HealthyBlue Advantage
  • Choice Care (Humana)
  • Choice Fund
    Choice Fund Open Access Plus
    Cigna EPO
    Cigna Healthcare of Illinois HMO
    Cigna HMO
    Cigna POS
    Cigna PPO
    Global Health Benefits
    LocalPlus
    Network POS
    Open Access
    Open Access Plus
    Shared Administration
  • Aetna Better Health
  • Coventry Health Care of Illinois HMO
    Coventry Health Care of Illinois POS
    Coventry Health Care of Illinois PPO
    Health and Life PPO
  • First Health (Coventry Health Care)
    First Health (Coventry Health Care) PPO
  • Health Alliance
    Health Alliance PPO
  • HealthLink HMO
    HealthLink PPO
  • Interplan Health Group
  • HFN EPO
    HFN PPO
  • Choice
    Choice Care
    Choice Care POS
    Commercial EPO
    EPO PPO Open Access
    HCPS Open Access Coverage EPO
    HMO Premier HMO
    Humana EPO
    National POS
    National POS
    National POS – Open Access POS
    National Preferred PPO
  • Choice
  • MultiPlan PPO
  • Choice
    Choice Plus
    Choice Plus PPO
    Options
    Select Plus Gold PPO
    Select Plus HMO
  • Worker's Compensation WC

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

Patient Satisfaction

Likelihood to recommend Dr. Tosiou
3.8
Based on 18 Reviews
5 Stars (12)
4 Stars (1)
3 Stars (0)
2 Stars (0)
1 Star (5)

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Patient Reviews
Oct 28, 2023
dr tousio is a wonder dr
Rosemary bush — Oct 28, 2023
See more reviews on Healthgrades
Photo: Dr. Alexander Tosiou, MD
How would you rate your experience with 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
  • Hpends appropriate amount of time with patients

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About Me

Care Philosophy

  • ``Better people means better experiences. Our care team is committed to delivering results that change lives.`` 

Care Philosophy
Biography
  • Dr. Alexander Tosiou, MD is a gastroenterology specialist in Grayslake, IL and has over 30 years of experience in the medical field. He graduated from Loyola University Chicago Stritch School of Medicine in 1993. He specializes in Gastroenterology.
Biography
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.
Education

Education

Medical Education
  • Loyola University Chicago Stritch School of Medicine
    1993
Medical Education

Board Certifications

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

Internship
  • Evanston Northwestern Healthcare
    1994
Internship

Residency

Residency Hospital
  • Evanston Northwestern Healthcare|McGaw Medical Center of Northwestern University
    1996
Residency Hospital

Fellowship

Fellowship Hospital
  • Advocate Lutheran General Hospital|Northwestern University Feinberg School Of Medicine
    1999
Fellowship Hospital
Common Questions and Answers
Responses are sourced directly from patients.
Does Dr. Tosiou communicate via email?
1 user said yes.
Yes
(1)
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(0)
Does Dr. Tosiou offer telehealth services or virtual visits?
1 user said yes.
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Does Dr. Tosiou offer an online patient portal?
1 user said yes.
Yes
(1)
No
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Does Dr. Tosiou have free onsite parking?
1 user said yes.
Yes
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No
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Does Dr. Tosiou offer weekend visits?
1 user said yes.
Yes
(1)
No
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Does Dr. Tosiou offer evening visits?
1 user said yes.
Yes
(1)
No
(0)
Does Dr. Tosiou specialize in working with children or adolescents?
No responses yet.
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Does Dr. Tosiou specialize in working with seniors?
No responses yet.
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Does Dr. Tosiou specialize in couples therapy?
No responses yet.
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Does Dr. Tosiou specialize in working with LGBTQ+ community?
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Does Dr. Tosiou accept insurance?
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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. Alexander Tosiou, MD. To arrange an appointment, call the number on Dr. Tosiou's profile.

Dr. Tosiou frequently treats the following conditions: Hemorrhoids, Abdominal Pain and Gastroesophageal Reflux Disease (GERD). See more on Sharecare.

Dr. Alexander Tosiou, MD is affiliated with Northwestern Medicine Lake Forest Hospital.

Yes, Dr. Alexander Tosiou, MD holds board certification in Gastroenterology.

Hospital Affiliations

  • Northwestern Medicine Lake Forest Hospital

    1000 N Westmoreland Rd, Lake Forest, IL