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Dr. Alexander Brun, MD
Gastroenterology* Age 43
Dr. Alexander Brun, MD

Offers telehealth

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Dr. Alexander Brun, MD is a Gastroenterologist in Staten Island, NY.
Dr. Alexander Brun, MD
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Dr. Alexander Brun, MD

Gastroenterology* Age 43
Staten Island, NY
Accepting new patients
17 years of experience

Offers telehealth

Dr. Alexander Brun, MD is a Gastroenterologist in Staten Island, NY.
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About Dr. Alexander Brun, MD

Dr. Brun graduated from State University of New York Downstate Health Sciences University College of Medicine. Dr. Alexander Brun, MD is a Gastroenterologist in Staten Island, NY and has 17 years experience. Dr. Brun has experience treating conditions like Abdominal Pain, Gastroesophageal Reflux Disease (GERD), Constipation, Gas-Bloat Syndrome, Acute Gastritis, Gastric Ulcer, Enteritis, Gastritis, Reflux Esophagitis, Metabolic Dysfunction Associated Steatotic Liver Disease (MASLD), Intestinal Ulcer, Noninfectious Gastroenteritis and Colitis, Anal or Rectal Pain, Peptic Ulcer, Dysentery, Infectious Diarrheal Disease, Esophagitis, Indigestion, Lactose Intolerance, Gastrointestinal Bleeding, Irritable Bowel Syndrome, Nausea, Diarrhea, Unexplained Weight Loss, Diaphragmatic and Hiatal Hernia, Hemorrhoids and Hepatitis B among other conditions at varying frequencies. Dr. Brun's office accepts new patients and telehealth appointments. Dr. Brun is board certified in Gastroenterology and accepts multiple insurance plans.

Offers Telehealth

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

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These providers are on the medical staff of Newyork-Presbyterian Brooklyn Methodist Hospital
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Experience Check

Enter a condition or procedure
Abdominal Pain
Gastroesophageal Reflux Disease (GERD)
Constipation
Abdominal Pain
Gastroesophageal Reflux Disease (GERD)
Constipation
Abdominal Pain
Gastroesophageal Reflux Disease (GERD)
Constipation
Gas-Bloat Syndrome
Acute Gastritis
Gastric Ulcer
Enteritis
Gastritis
Reflux Esophagitis
Metabolic Dysfunction Associated Steatotic Liver Disease (MASLD)
Intestinal Ulcer
Noninfectious Gastroenteritis and Colitis
Anal or Rectal Pain
Peptic Ulcer
Dysentery
Infectious Diarrheal Disease
Esophagitis
Indigestion
Lactose Intolerance
Gastrointestinal Bleeding
Irritable Bowel Syndrome
Nausea
  • View other providers who treat Nausea
Diarrhea
  • View other providers who treat Diarrhea
Unexplained Weight Loss
Duodenal Polypectomy
Endoscopy
Diaphragmatic and Hiatal Hernia
Hemorrhoids
Hepatitis B
Sigmoidoscopy
Heartburn
Colonoscopy
Hepatitis C
Flexible Sigmoidoscopy
Manometry
Rigid Proctosigmoidoscopy
Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
Barrett's Esophagus
Hemorrhoidectomy or Excision of Anal Tags
Anemia
  • View other providers who treat Anemia
Gastroptosis
Gallstones
Dysphagia
Vomiting Disorders
Ulcerative Colitis
Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage)
Intestinal Diverticulosis
Inflammatory Bowel Disease
Colorectal Polyp
Viral Enteritis
Intestinal Diverticulitis
Cirrhosis
Chronic Gastritis
Duodenitis
Duodenal Ulcer
Celiac Disease
Crohn's Disease
Upper Digestive Tract Cancer
Gastrointestinal Malabsorption
Familial Adenomatous Polyposis
Gastroparesis
Hypokalemia
Vitamin_Deficiency
Vitamin B12 Anemia
Eosinophilic Esophagitis
Alcoholic Cirrhosis
Alcoholic Fatty Liver
Alcoholic Hepatitis
All Types of Food Poisoning
Anal Sphincter Dysplasia
Ascites
  • View other providers who treat Ascites
Autoimmune Hepatitis
Barretts Esophagus with Dysplasia
Benign Neoplasm of the Digestive System
Biliary Cirrhosis
Chronic Cholecystitis
Colon Cancer
Congenital Achalasia
Congenital Anomaly Intestine
Cyclical Vomiting
Cyclical Vomiting Syndrome
Dehydration
Diffuse Esophageal Spasm
Duodenal Cancer
E. coli Food Poisoning
Esophageal Achalasia and Cardiospasm
Esophageal Diverticulum
Esophageal Motility Disorders
Esophageal Ulcer
Esophageal Varices
Food Allergy
Gastrojejunal Ulcer
Giardiasis
Hemochromatosis
Hepatitis B - Immune Response
Hepatorenal Syndrome
Hernia
  • View other providers who treat Hernia
Hiatal Hernia
Hiatal Hernia with Obstruction
Illeum Cancer
Intestinal Obstruction
Intestinal Prolapse
Liver Damage from Alcohol
Malnutrition
Mesenteric Panniculitis
Neoplasm of Gastrointestinal Tract
Pancreatic Pseudocyst
Pancreatitis
Pelvic Abscess
Pernicious Anemia
Primary Biliary Cholangitis
Proctoptosis
Rectal Prolapse
Retroperitoneum Cancer
Roundworm
Spleen Cyst
Splenic Infarct
Splenomegaly
Stomach Stenosis
Viral Hepatitis
Visceroptosis
Anal Cauterization
Colon Cancer Screening
Colorectal Cancer Screening
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, Endoanal
Ultrasound, Esophageal
VAP Lipid Testing
Wireless pH Testing

Accepted Insurance Plans

* Please verify this information when scheduling an appointment.
  • Curative EPO
    Curative PPO Plus
    Curative PPO
  • MVP Health Plan EPO
  • SimplyBlue/Simply Blue Plus PPO
    BluePPO HSA PPO
  • First Health (Coventry Health Care) PPO
  • Choice Plus POS
    Medica Choice
    Nexus Open Access
    Options PPO
  • Blue Cross Blue Shield of Western New York PPO
  • Choice Care PPO
    Choice Care Network PPO
    Choice POS
  • Oscar Circle EPO
  • Pro Plans EPO
    Pro Plus Plans EPO
    Total Plans EPO
  • GHI CBP
    Select Care Small Group
    HIP Prime HMO
  • MagnaCare PPO
  • National EPO
  • Connection Employer Sponsored
    Blue Priority NY EPO
    Empire Hospital
    Connection Blue High Performance Network
    Empire Hospital/Medical (Trad)
    Empire Blue Cross Blue Shield PPO
    Blue Acess Employer Sponsored
    National Blue High Performance Network
  • High Performance Network - Tiered HPN
    Blue Card High Performance Network HPN
    Blue Card PPO
  • Passage HMO
    Flex Connecticut EPO
  • Freedom
  • Performance Blue
    Community Blue PPO
    Blue High Performance Network
    myBlue Access EPO
    PPOBlue PPO
    BCBS PPO
  • Open Choice PPO
    Managed Choice (Open Access) POS
    Premier Care Network APCN Choice (OAMC) POS II
    Premier Care Network Plus - Innovation Health
    Savings Plus of Metro, NY
    AWH NJ Choice MultiTier - Standard Savings POS II
    Aetna
    Choice Plus POS II
    AWH NJ Choice MultiTier POS II
    Select
    Elect Choice (Open Access) EPO
  • Open Access Plus

Where Dr. Alexander Brun, MD Sees Patients

  1. 1 Office
    2076 Hylan Blvd, Staten Island, NY 10306
    Icon Directions Right Arrow Directions Phone Icon (718) 987-1700
  2. 2 Triborough GI PLLC
    1517 Voorhies Ave, Brooklyn, NY 11235
    Icon Directions Right Arrow Directions Phone Icon (718) 332-0600
  3. 3 Triborough GI PLLC
    1672 Sheepshead Bay Rd, Brooklyn, NY 11235
    Icon Directions Right Arrow Directions Phone Icon (718) 332-0600
  4. 4 Janus Medical P.C
    129 Saint Nicholas Ave, Brooklyn, NY 11237
    Icon Directions Right Arrow Directions Phone Icon (718) 821-0643

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Telehealth Options
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(718) 987-1700

Meet Dr. Alexander Brun, MD

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.
Common Questions and Answers
Responses are sourced directly from patients.
Does Dr. Brun communicate via email?
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Does Dr. Brun offer telehealth services or virtual visits?
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Does Dr. Brun offer an online patient portal?
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Does Dr. Brun specialize in working with children or adolescents?
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FAQs About Dr. Brun's Practice

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 Brun, MD. To arrange an appointment, call the number on Dr. Brun's profile.

Dr. Brun frequently treats the following conditions: Abdominal Pain, Gastroesophageal Reflux Disease (GERD), Constipation, Gas-Bloat Syndrome, Acute Gastritis, Gastric Ulcer, Enteritis, Gastritis, Reflux Esophagitis, Metabolic Dysfunction Associated Steatotic Liver Disease (MASLD), Intestinal Ulcer, Noninfectious Gastroenteritis and Colitis, Anal or Rectal Pain, Peptic Ulcer, Dysentery, Infectious Diarrheal Disease, Esophagitis, Indigestion, Lactose Intolerance, Gastrointestinal Bleeding, Irritable Bowel Syndrome, Nausea, Diarrhea, Unexplained Weight Loss, Diaphragmatic and Hiatal Hernia, Hemorrhoids and Hepatitis B. See more on Sharecare.

Dr. Alexander Brun, MD is affiliated with NYU Langone Hospitals, Maimonides Medical Center, Mount Sinai Brooklyn and Staten Island University Hospital.

Yes, Dr. Alexander Brun, MD holds board certification in Gastroenterology.
Training & Medical Education
Medical Education
  • State University of New York Downstate Health Sciences University College of Medicine
    2009
Medical Education
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.

Hospitals Where Dr. Alexander Brun, MD Practices

  • NYU Langone Hospitals

    550 1st Ave, New York, NY

  • Maimonides Medical Center

    4802 10th Ave, Brooklyn, NY

  • Mount Sinai Brooklyn

    3201 Kings Hwy, Brooklyn, NY

  • Staten Island University Hospital

    475 Seaview Ave, Staten Island, NY

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