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Dr. Jay Merker, MD
Gastroenterology* Age 73
Dr. Jay Merker, MD
Dr. Jay Merker, MD is a Gastroenterologist in Great Neck, NY.
Dr. Jay Merker, MD

Dr. Jay Merker, MD

Gastroenterology* Age 73
Great Neck, NY
Accepting new patients
44 years of experience
Dr. Jay Merker, MD is a Gastroenterologist in Great Neck, NY.
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About Dr. Jay Merker, MD

Dr. Merker graduated from Universidad Autonoma de Guadalajara. Dr. Jay Merker, MD is a Gastroenterologist in Great Neck, NY and has 44 years experience. Dr. Merker has experience treating conditions like Hemorrhoids and Duodenitis among other conditions at varying frequencies. Dr. Merker's office accepts new patients. Dr. Merker is board certified in Gastroenterology and accepts multiple insurance plans.

Compare with other Gastroenterologists

Compare Dr. Merker with our nearby Gastroenterologists at Mount Sinai Hospital
These providers are on the medical staff of Mount Sinai Hospital
These providers are on the medical staff of Mount Sinai Hospital.
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Experience Check

Enter a condition or procedure
Hemorrhoids
Duodenitis
Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
Hemorrhoids
Duodenitis
Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
Abdominal Pain
Gastroesophageal Reflux Disease (GERD)
Constipation
Irritable Bowel Syndrome
Intestinal Diverticulitis
Rigid Proctosigmoidoscopy
Flexible Sigmoidoscopy
Manometry
Esophagitis
Vitamin_Deficiency
Intestinal Diverticulosis
Esophageal Ulcer
Gastrointestinal Bleeding
Gastritis
Diarrhea
  • View other providers who treat Diarrhea
Duodenal Polypectomy
Endoscopy
Reflux Esophagitis
Gallstones
Dysphagia
Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage)
Colorectal Polyp
Indigestion
Metabolic Dysfunction Associated Steatotic Liver Disease (MASLD)
Diaphragmatic and Hiatal Hernia
Upper Digestive Tract Cancer
Vitamin B12 Anemia
Barrett's Esophagus
Gas-Bloat Syndrome
Noninfectious Gastroenteritis and Colitis
Anemia
  • View other providers who treat Anemia
Acute Gastritis
Anal or Rectal Pain
Benign Neoplasm of the Digestive System
Biliary Cirrhosis
Celiac Disease
Cholecystitis and Gallstones
Chronic Gastritis
Colon Cancer
Colorectal Cancer
Congenital Anomaly Intestine
Crohn's Disease
Diffuse Esophageal Spasm
Duodenal Ulcer
Dysentery
Enteritis
Eosinophilic Esophagitis
Esophageal Achalasia and Cardiospasm
Esophageal Cancer
Esophageal Motility Disorders
Familial Adenomatous Polyposis
Gastric Ulcer
Gastrointestinal Malabsorption
Gastrojejunal Ulcer
Gastroparesis
Gastroptosis
Heartburn
Hemochromatosis
Hepatitis A
Hepatitis B - Immune Response
Hepatitis C
Hernia
  • View other providers who treat Hernia
Hiatal Hernia
Ileus
  • View other providers who treat Ileus
Infectious Diarrheal Disease
Inflammatory Bowel Disease
Intestinal Abscess
Intestinal Ischemia
Intestinal Obstruction
Intestinal Ulcer
Lactose Intolerance
Nausea
  • View other providers who treat Nausea
Pancreatitis
Peptic Ulcer
Primary Biliary Cholangitis
Retroperitoneum Cancer
Small Intestine Cancer
Stomach and Small Intestine Cancer
Stomach Cancer
Ulcerative Colitis
Unexplained Weight Loss
Vascular Insufficiency of Intestines
Viral Enteritis
Vomiting Disorders
Colon Cancer Screening
Colonoscopy
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 Biopsy
Liver Function Test
pH Probe
  • View other providers who treat pH Probe
Screening Colonoscopy
Sigmoidoscopy
Ultrasound, Endoanal
Ultrasound, Esophageal
VAP Lipid Testing
Wireless pH Testing

Accepted Insurance Plans

* Please verify this information when scheduling an appointment.
  • First Health (Coventry Health Care) PPO
  • Select
  • Blue Card PPO
  • Open Access Plus
  • HealthyBlue 2.0
    HealthyBlue Advantage
  • Harvard Pilgrim Health Care PPO
  • Curative PPO Plus
    Curative PPO
    Curative EPO
  • Choice Care PPO
  • MultiPlan PPO
  • Empire (Select Network)-NY POS

Where Dr. Jay Merker, MD Sees Patients

What Patients Say

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Meet Dr. Jay Merker, 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. Merker communicate via email?
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Does Dr. Merker offer telehealth services or virtual visits?
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Does Dr. Merker offer an online patient portal?
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Does Dr. Merker have free onsite parking?
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Does Dr. Merker specialize in working with children or adolescents?
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Does Dr. Merker specialize in working with seniors?
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Does Dr. Merker specialize in couples therapy?
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Does Dr. Merker specialize in working with LGBTQ+ community?
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FAQs About Dr. Merker'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. Jay Merker, MD. To arrange an appointment, call the number on Dr. Merker's profile.

Dr. Merker frequently treats the following conditions: Hemorrhoids and Duodenitis. See more on Sharecare.

Dr. Jay Merker, MD is affiliated with Stony Brook Southampton Hospital, Stony Brook University Hospital, NewYork-Presbyterian Queens, St. Francis Hospital & Heart Center, Long Island Jewish Medical Center and North Shore University Hospital.

Yes, Dr. Jay Merker, MD holds board certification in Gastroenterology and Internal Medicine.

Training & Medical Education
Medical Education
  • Universidad Autonoma de Guadalajara
    1982
Medical Education
Board Certifications
  • Gastroenterology and Internal Medicine
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 Hospital
  • Long Island Jewish Medical Center
    1989
Fellowship Hospital

Hospitals Where Dr. Jay Merker, MD Practices

  • Stony Brook Southampton Hospital

    240 Meeting House Ln, Southampton, NY

  • Stony Brook University Hospital

    101 Nicolls Rd, Stony Brook, NY

  • NewYork-Presbyterian Queens

    5645 Main St, Flushing, NY

  • St. Francis Hospital & Heart Center

    100 Port Washington Blvd, Roslyn, NY

  • Long Island Jewish Medical Center

    270 76th Ave, New Hyde Park, NY

  • North Shore University Hospital

    300 Community Dr, Manhasset, NY

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