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Dr. Thomas Nealis, MD

Gastroenterology* Age 47
Dr. Thomas Nealis, MD
4.1 (8 Ratings)

Offers telehealth

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Dr. Thomas Nealis, MD is a Gastroenterologist in Naperville, IL.
Dr. Thomas Nealis, MD
4.1 (8 Ratings)
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Dr. Thomas Nealis, MD

Gastroenterology* Age 47
Naperville, IL
Accepting new patients
18 years of experience

Offers telehealth

Dr. Thomas Nealis, MD is a Gastroenterologist in Naperville, IL.

About

Dr. Nealis graduated from Georgetown University School of Medicine. Dr. Thomas Nealis, MD is a Gastroenterologist in Naperville, IL and has 18 years experience. Dr. Nealis currently practices at Practice and are affiliated with Northwestern Medicine Central Dupage Hospital and Northwestern Memorial Hospital. Dr. Nealis has experience treating conditions like Unexplained Weight Loss, Constipation and Familial Adenomatous Polyposis among other conditions at varying frequencies. At present, Dr. Nealis received an average rating of 4.1/5 from patients and has been reviewed 8 times. Dr. Nealis' office accepts new patients and telehealth appointments. Dr. Nealis is board certified in Gastroenterology and accepts multiple insurance plans.

Offers Telehealth

This provider offers telehealth appointments. Call the office to schedule.

Trustworthy

Patients said this doctor is trustworthy.

Friendly Staff

Patients said the staff was friendly.

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These providers are on the medical staff of Cleveland Clinic
These providers are on the medical staff of Cleveland Clinic.
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Experience Check

Enter a condition or procedure
Unexplained Weight Loss
Constipation
Familial Adenomatous Polyposis
Unexplained Weight Loss
Constipation
Familial Adenomatous Polyposis
Unexplained Weight Loss
Constipation
Familial Adenomatous Polyposis
Hemorrhoids
Abdominal Pain
Anemia
  • View other providers who treat Anemia
Ascites
  • View other providers who treat Ascites
Barrett's Esophagus
Celiac Disease
Chronic Gastritis
Cirrhosis
Colorectal Polyp
Diaphragmatic and Hiatal Hernia
Diarrhea
  • View other providers who treat Diarrhea
Duodenal Cancer
Duodenal Ulcer
Duodenitis
Dysphagia
Esophageal Motility Disorders
Esophagitis
Gallstones
Gas-Bloat Syndrome
Gastric Ulcer
Gastritis
Gastroesophageal Reflux Disease (GERD)
Gastrointestinal Bleeding
Gastrointestinal Malabsorption
Gastroptosis
Heartburn
Inflammatory Bowel Disease
Intestinal Diverticulitis
Intestinal Diverticulosis
Intestinal Ulcer
Irritable Bowel Syndrome
Nausea
  • View other providers who treat Nausea
Non-Alcoholic Fatty Liver Disease
Noninfectious Gastroenteritis and Colitis
Reflux Esophagitis
Upper Digestive Tract Cancer
Vitamin_Deficiency
Vomiting Disorders
Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
Duodenal Polypectomy
Flexible Sigmoidoscopy
Manometry
Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage)
Rigid Proctosigmoidoscopy
Acute Gastritis
Alcoholic Cirrhosis
All Types of Food Poisoning
Anal or Rectal Pain
Anal Sphincter Dysplasia
Barretts Esophagus with Dysplasia
Benign Neoplasm of the Digestive System
Biliary Cirrhosis
Coccygeal Pain
Congenital Anomaly Esophagus
Congenital Anomaly Intestine
Crohn's Disease
Dehydration
Diffuse Esophageal Spasm
Diverticulitis
Diverticulosis
Dysentery
Enteritis
Eosinophilic Esophagitis
Esophageal Diverticulum
Esophageal Ulcer
Esophageal Varices
Food Poisoning
Gastrojejunal Ulcer
Gastroparesis
Hemochromatosis
Hepatitis B
Hepatorenal Syndrome
Hernia
  • View other providers who treat Hernia
Hiatal Hernia
Ileus
  • View other providers who treat Ileus
Indigestion
Intestinal Obstruction
Intestinal Prolapse
Ischemic Colitis
Lactose Intolerance
Liver Damage from Alcohol
Mallory-Weiss Syndrome
Malnutrition
Neoplasm of Gastrointestinal Tract
Non-Neonatal Jaundice
Pancreatitis
Peptic Ulcer
Pernicious Anemia
Primary Biliary Cholangitis
Pyloric Stenosis
Retroperitoneum Cancer
Salmonella Food Poisoning
Splenomegaly
Stomal Ulcer
Ulcerative Colitis
Viral Enteritis
Visceroptosis
Vitamin B12 Anemia
Anoscopy
  • View other providers who treat Anoscopy
Colon Cancer Screening
Colonoscopy
Colorectal Cancer Screening
Endoscopy
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
Proctosigmoidoscopy
Screening Colonoscopy
Ultrasound
Ultrasound, Endoanal
Ultrasound, Esophageal
VAP Lipid Testing
Wireless pH Testing

Insurance Accepted

* Please verify this information when scheduling an appointment.
  • Choice
  • Medicare
  • National (BlueCard) PPO
  • Blue Advantage PPO
  • Anthem Blue Cross Blue Shield PPO
  • Tricare
  • Cigna
    Cigna POS
    LocalPlus
    Open Access Plus
    Cigna HMO
    Great West Healthcare-Cigna
    Cigna PPO
  • Medicaid
  • Aetna PPO
    Aetna POS
    Aetna HMO
    Aetna
    Choice Plus POS II
  • HealthLink
  • Blue Advantage PPO
    Blue Card PPO
    Blue Cross and Blue Shield
    Blue Cross Blue Shield PPO
  • MultiPlan PPO
    PHCS Network PPO
  • Select HMO
    United Healthcare
    Choice
    Choice Plus
  • Beech Street (Multiplan)
  • Medicaid
  • Curative EPO
    Curative PPO Plus
    Curative PPO
  • UniCare PPO
    UniCare
  • HealthyBlue 2.0
    HealthyBlue Advantage
  • Tricare
  • Health Alliance PPO
  • HFN
  • Coventry Health Care
    Coventry Health Care PPO
  • Humana
    Preferred PPO
    Choice Care PPO
    Select HMO
  • First Health (Coventry Health Care) PPO

Locations

  1. 1 Northwestern Medicine Regional Medical Group
    636 Raymond Dr Ste 204, Naperville, IL 60563
    Icon Directions Right Arrow Directions Phone Icon (331) 732-4750
  2. 2 Northwestern Medicine Regional Medical Group
    25 N Winfield Rd Ste 420420, Winfield, IL 60190
    Icon Directions Right Arrow Directions Phone Icon (630) 682-8700
  3. 3 Northwestern Medicine Regional Medical Group
    233 S Gary Ave, Bloomingdale, IL 60108
    Icon Directions Right Arrow Directions Phone Icon (630) 208-6775
  4. 4 Northwestern Medicine Regional Medical Group
    302 Randall Rd Ste 105, Geneva, IL 60134
    Icon Directions Right Arrow Directions Phone Icon (630) 262-7400

Patient Satisfaction

Likelihood to recommend Dr. Nealis
4.1
Based on 8 Reviews
5 Stars (6)
4 Stars (0)
3 Stars (0)
2 Stars (1)
1 Star (1)

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Patient Reviews
Feb 19, 2022
Dr. Nealis was great! Able to answer all my questions and kind.
— Feb 19, 2022
See more reviews on Healthgrades
Photo: Dr. Thomas Nealis, MD
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Dr. Nealis' 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. Nealis

  • 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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Telehealth Options
This provider has not specified a telehealth appointment method. Would you still like to make an appointment with Dr. Nealis?
Call now to make an appointment
(331) 732-4750

About Me

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
  • Georgetown University School of Medicine
    2006
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.

Fellowship

Fellowship Hospital
  • McGaw Medical Center of Northwestern University
    2012
Fellowship Hospital
Common Questions and Answers
Responses are sourced directly from patients.
Does Dr. Nealis communicate via email?
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Does Dr. Nealis offer telehealth services or virtual visits?
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Does Dr. Nealis offer an online patient portal?
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Does Dr. Nealis have free onsite parking?
1 user said yes.
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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. Thomas Nealis, MD. To arrange an appointment, call the number on Dr. Nealis' profile.

Dr. Nealis frequently treats the following conditions: Unexplained Weight Loss, Constipation and Familial Adenomatous Polyposis. See more on Sharecare.

Dr. Thomas Nealis, MD is affiliated with Northwestern Medicine Central Dupage Hospital and Northwestern Memorial Hospital.

Yes, Dr. Thomas Nealis, MD holds board certification in Gastroenterology.

Hospital Affiliations

  • Northwestern Medicine Central Dupage Hospital

    25 N Winfield Rd, Winfield, IL

  • Northwestern Memorial Hospital

    251 E Huron St, Chicago, IL