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Dr. Mark Coronel, MD

Internal Medicine* Age 46
Dr. Mark Coronel, MD
4.4 (107 Ratings)

Offers telehealth

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Dr. Mark Coronel, MD is an Internist in Manorville, NY.
Dr. Mark Coronel, MD
4.4 (107 Ratings)
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Dr. Mark Coronel, MD

Internal Medicine* Age 46
Manorville, NY
Accepting new patients
19 years of experience

Offers telehealth

Dr. Mark Coronel, MD is an Internist in Manorville, NY.

About

Dr. Coronel graduated from Albert Einstein College of Medicine in 2005 and completed a residency at North Shore- LIJ Health System.Dr. Mark Coronel, MD is an Internist in Manorville, NY and has 19 years experience. Dr. Coronel currently practices at Practice and are affiliated with Peconic Bay Medical Center and Stony Brook University Hospital. Dr. Coronel has experience treating conditions like Familial Adenomatous Polyposis, Constipation and Indigestion among other conditions at varying frequencies. At present, Dr. Coronel received an average rating of 4.4/5 from patients and has been reviewed 107 times. Dr. Coronel's office accepts new patients and telehealth appointments. Dr. Coronel is board certified in Gastroenterology and accepts multiple insurance plans.

Offers Telehealth

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

Explains Conditions Well

Patients said this doctor explains conditions well.

Trustworthy

Patients said this doctor is trustworthy.

Friendly Staff

Patients said the staff was friendly.

Easy Scheduling

Patients said scheduling was easy.

Compare with other Internists

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Experience Check

Enter a condition or procedure
Familial Adenomatous Polyposis
Constipation
Indigestion
Familial Adenomatous Polyposis
Constipation
Indigestion
Diarrhea
  • View other providers who treat Diarrhea
Gastroptosis
Hepatitis C
Abdominal Pain
Alcoholic Cirrhosis
Anemia
  • View other providers who treat Anemia
Barrett's Esophagus
Celiac Disease
Chronic Gastritis
Cirrhosis
Colorectal Polyp
Crohn's Disease
Dehydration
Diaphragmatic and Hiatal Hernia
Dysentery
Dysphagia
Enteritis
Esophageal Ulcer
Esophagitis
Gas-Bloat Syndrome
Gastric Ulcer
Gastritis
Gastroesophageal Reflux Disease (GERD)
Gastrointestinal Bleeding
Gastrointestinal Malabsorption
Gastroparesis
Heartburn
Hemorrhoids
Hepatitis B
Infectious Diarrheal Disease
Inflammatory Bowel Disease
Intestinal Diverticulitis
Intestinal Diverticulosis
Intestinal Ulcer
Irritable Bowel Syndrome
Liver Damage from Alcohol
Nausea
  • View other providers who treat Nausea
Non-Alcoholic Fatty Liver Disease
Ulcerative Colitis
Upper Digestive Tract Cancer
Viral Enteritis
Vomiting Disorders
Arterial Blood Gas Test (ABG)
Duodenal Polypectomy
Electrocardiogram (EKG)
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
Cachexia
  • View other providers who treat Cachexia
Chronic Anal Fissure
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
Gallstones
Gastrojejunal Ulcer
Hemochromatosis
Hepatitis A
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
Primary Biliary Cholangitis
Proctoptosis
Rectal Prolapse
Reflux Esophagitis
Retroperitoneum Cancer
Shortness of Breath
Splenomegaly
Tobacco Use Disorder
Unexplained Weight Loss
Urinary Incontinence
Urinary Tract Infection (UTI)
Venous Embolism and Thrombosis
Viral Hepatitis
Vitamin B12 Anemia
Vitamin_Deficiency
Balloon Assisted Deep Enteroscopy
Bravo pH Testing
Capsule Endoscopy
Colonoscopy
Endoscopic Mucosal Resection
Endoscopy
ERCP (Endoscopic Retrograde Cholangiopancreatography)
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.
  • United Healthcare
  • Cigna
  • Tricare
  • Harvard Pilgrim Health Care PPO
  • AgeWell New York
  • MagnaCare
  • First Health (Coventry Health Care) PPO
  • Health Insurance Plan of Greater New York (HIP) PPO
  • Medicare
  • Fidelis Care
  • MultiPlan PPO
  • Aetna
  • Blue Cross and Blue Shield
  • WellCare
  • Curative PPO
    Curative EPO
    Curative PPO Plus
  • 1199SEIU
  • Humana

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 Manor Rd # 2, Manorville, NY 11949
  4. 4 East End Gastroenterology & Hepatology
    715 Roanoke Ave Bldg B, Riverhead, NY 11901

Patient Satisfaction

Likelihood to recommend Dr. Coronel
4.4
Based on 107 Reviews
5 Stars (91)
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
Dec 16, 2024
I had a very pleasant experience having my colonoscopy performed by Dr. Coronel on Dec 13, 2024. Both he and his staff were kind, courteous, professional and very accommodating. My brother recommended Dr. Coronel after having his colonoscopy performed by Dr. Coronel in 2023. My first visit, as a new patient, was on Dec 5, 2024. I was first scheduled for procedure on Jan 8, 2025. After asking to be put on waiting list for earlier date, I received an earlier date of Dec 13, 2024. What more could one ask for? I travelled from Rockaway Beach, Queens to have Dr. Coronel perform procedure, and would do it again in a heartbeat.
Mario Castellano — Dec 16, 2024
See more reviews on Healthgrades
Photo: Dr. Mark Coronel, MD
How would you rate your experience with Dr. Mark Coronel, MD?
  • Likelihood of recommending Dr. Coronel to family and friends

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
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(631) 591-3000

About Me

Specialties*
Internal Medicine
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?
13 users said yes.
Yes
(13)
No
(2)
Does Dr. Coronel offer telehealth services or virtual visits?
6 users said yes.
Yes
(6)
No
(2)
Does Dr. Coronel offer an online patient portal?
15 users said yes.
Yes
(15)
No
(1)
Does Dr. Coronel have free onsite parking?
17 users said yes.
Yes
(17)
No
(0)
Does Dr. Coronel offer weekend visits?
7 users said yes.
Yes
(7)
No
(2)
Does Dr. Coronel offer evening visits?
9 users said yes.
Yes
(9)
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, Constipation and Indigestion. See more on Sharecare.

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

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

Hospital Affiliations

  • Peconic Bay Medical Center

    1 Heroes Way, Riverhead, NY

  • Stony Brook University Hospital

    101 Nicolls Rd, Stony Brook, NY