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Dr. Mark Coronel, MD

Gastroenterology* Age 45
Dr. Mark Coronel, MD
4.4 (100 Ratings)

Offers telehealth

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Dr. Mark Coronel, MD is a Gastroenterology Specialist in Manorville, NY.
Dr. Mark Coronel, MD
4.4 (100 Ratings)
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Dr. Mark Coronel, MD

Gastroenterology* Age 45
Manorville, NY
Accepting new patients
19 years of experience

Offers telehealth

Dr. Mark Coronel, MD is a Gastroenterology Specialist in Manorville, NY.

About

Dr. Mark Coronel, MD is a Gastroenterology Specialist in Manorville, NY and has 19 years experience. They graduated from Albert Einstein College of Medicine in 2005 and completed a residency at North Shore- LIJ Health System.They currently practice at Practice and are affiliated with Stony Brook University Hospital and Peconic Bay Medical Center. Dr. Coronel has experience treating conditions like Familial Adenomatous Polyposis, Intestinal Ulcer and Constipation among other conditions at varying frequencies. At present, Dr. Coronel received an average rating of 4.4/5 from patients and has been reviewed 100 times. Their office accepts new patients and telehealth appointments. Dr. Coronel is board certified in Gastroenterology and accepts multiple insurance plans.

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Experience Check

Enter a condition or procedure
Familial Adenomatous Polyposis
Intestinal Ulcer
Constipation
Familial Adenomatous Polyposis
Intestinal Ulcer
Constipation
Diarrhea
  • View other providers who treat Diarrhea
Gastric Ulcer
Hepatitis C
Indigestion
Abdominal Pain
Alcoholic Cirrhosis
Anemia
  • View other providers who treat Anemia
Barrett's Esophagus
Celiac Disease
Cirrhosis
Colorectal Polyp
Crohn's Disease
Dehydration
Diaphragmatic and Hiatal Hernia
Dysentery
Dysphagia
Enteritis
Esophageal Ulcer
Esophagitis
Gallstones
Gas-Bloat Syndrome
Gastritis
Gastroesophageal Reflux Disease (GERD)
Gastrointestinal Bleeding
Gastrointestinal Malabsorption
Gastroparesis
Gastroptosis
Heartburn
Hemorrhoids
Hepatitis B
Infectious Diarrheal Disease
Inflammatory Bowel Disease
Intestinal Diverticulitis
Intestinal Diverticulosis
Irritable Bowel Syndrome
Liver Damage from Alcohol
Nausea
  • View other providers who treat Nausea
Non-Alcoholic Fatty Liver Disease
Ulcerative Colitis
Viral Enteritis
Vomiting Disorders
Arterial Blood Gas Test (ABG)
Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
Duodenal Polypectomy
Electrocardiogram (EKG)
Endoscopy (Esophagus, Stomach, Small Intestine)
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
Acute Gastritis
Acute Upper Respiratory Infection
Alcoholic Fatty Liver
Alcoholic Hepatitis
All Headaches (incl. Migraine)
Anal or Rectal Pain
Ascites
  • View other providers who treat Ascites
Benign Neoplasm of the Digestive System
Bile Duct Obstruction
Biliary Cirrhosis
Chronic Anal Fissure
Chronic Gastritis
Congenital Achalasia
Cyclical Vomiting
Diffuse Esophageal Spasm
Diverticulitis
Diverticulosis
Duodenal Cancer
Duodenal Ulcer
Duodenitis
Eosinophilic Esophagitis
Esophageal Achalasia and Cardiospasm
Esophageal Diverticulum
Esophageal Motility Disorders
Esophageal Varices
Fever
  • View other providers who treat Fever
Food Allergy
Foot Infection
Gastrojejunal Ulcer
Hemochromatosis
Hepatitis B - Immune Response
Hepatorenal Syndrome
Hernia
  • View other providers who treat Hernia
Hiatal Hernia
Ileus
  • View other providers who treat Ileus
Intestinal Obstruction
Ischemic Colitis
Joint Pain
Lactose Intolerance
Limb Pain
Mallory-Weiss Syndrome
Malnutrition
Megacolon
Neoplasm of Gastrointestinal Tract
Non-Neonatal Jaundice
Noninfectious Gastroenteritis and Colitis
Pancreatitis
Pharyngitis
Potassium Deficiency
Primary Biliary Cholangitis
Reflux Esophagitis
Retroperitoneum Cancer
Shortness of Breath
Splenomegaly
Tobacco Use Disorder
Unexplained Weight Loss
Upper Digestive Tract Cancer
Urinary Incontinence
Urinary Tract Infection (UTI)
Viral Hepatitis
Vitamin B12 Anemia
Vitamin_Deficiency
Balloon Assisted Deep Enteroscopy
Bravo pH Testing
Capsule Endoscopy
Colonoscopy
Endoscopic Mucosal Resection
Fecal Occult Blood Test for Colorectal Cancer
Gastroenterology Procedures
Impedance Testing
Radiofrequency Ablation for Barrett's Esophagus
Spirus® Enteroscopy
VAP Lipid Testing
Wireless pH Testing

Insurance Accepted

* Please verify this information when scheduling an appointment.
  • Blue Cross and Blue Shield
  • Medicare
  • Health Insurance Plan of Greater New York (HIP) PPO
  • First Health (Coventry Health Care) PPO
  • Harvard Pilgrim Health Care PPO
  • Tricare
  • MultiPlan PPO
  • United Healthcare

Locations

  1. 1 East End Gastroenterology Pllc
    496 County Road 111 Ste 2, Manorville, NY 11949
  2. 2 Peconic Bay Medical Center
    1 Heroes Way, Riverhead, NY 11901
  3. 3 East End Gastroenterology Pllc
    287 Wading River Rd Unit 2, Manorville, NY 11949
  4. 4 East End Gastroenterology & Hepatology
    715 Roanoke Ave, Riverhead, NY 11901

Patient Satisfaction

Likelihood to recommend Dr. Coronel
4.4
Based on 100 Reviews
5 Stars (84)
4 Stars (0)
3 Stars (1)
2 Stars (1)
1 Star (14)

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How likely are you to recommend Dr. Coronel?

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Patient Reviews
Apr 10, 2024
I went for a second opinion and ended up choosing him as my Dr. He was so compassionate and easy to talk to. I didn’t feel rushed and he answered all my questions. Would recommend him to anyone.
Karen E. — Apr 10, 2024
See more reviews on Healthgrades
Photo: Dr. Mark Coronel, MD
How would you rate your experience with Dr. Mark Coronel, MD?
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Dr. Coronel'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. Coronel

  • 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. Coronel, or would you like to choose another provider and have an online appointment right now?
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(631) 591-3000

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
  • Albert Einstein College of Medicine
    2005
Medical Education

Board Certifications

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.

Internship

Internship
  • Long Island Jewish Medical Center
    2006
Internship

Residency

Residency Hospital
  • North Shore- LIJ Health System
    2008
Residency Hospital

Fellowship

Fellowship Hospital
  • North Shore Lij Health System
    2012
Fellowship Hospital
Common Questions and Answers
Responses are sourced directly from patients.
Does Dr. Coronel communicate via email?
9 users said yes.
Yes
(9)
No
(1)
Does Dr. Coronel offer telehealth services or virtual visits?
5 users said yes.
Yes
(5)
No
(1)
Does Dr. Coronel offer an online patient portal?
10 users said yes.
Yes
(10)
No
(1)
Does Dr. Coronel have free onsite parking?
9 users said yes.
Yes
(9)
No
(0)
Does Dr. Coronel offer weekend visits?
6 users said yes.
Yes
(6)
No
(1)
Does Dr. Coronel offer evening visits?
7 users said yes.
Yes
(7)
No
(0)
Does Dr. Coronel specialize in working with children or adolescents?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Coronel specialize in working with seniors?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Coronel specialize in couples therapy?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Coronel specialize in working with LGBTQ+ community?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Coronel accept insurance?
No responses yet.
Yes
(0)
No
(0)

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

Dr. Coronel frequently treats the following conditions: Familial Adenomatous Polyposis, Intestinal Ulcer and Constipation. See more on Sharecare.

Dr. Mark Coronel, MD is affiliated with Stony Brook University Hospital and Peconic Bay Medical Center.

Yes, Dr. Mark Coronel, MD holds board certification in Gastroenterology and Internal Medicine.

Hospital Affiliations

  • Stony Brook University Hospital

    101 Nicolls Rd, Stony Brook, NY

  • Peconic Bay Medical Center

    1 Heroes Way, Riverhead, NY