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Dr. Zachary Marwil, MD

Internal Medicine* Age 43
Dr. Zachary Marwil, MD
4.6 (10 Ratings)

Offers telehealth

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Dr. Zachary Marwil, MD is an Internal Medicine Specialist in Wantagh, NY.
Dr. Zachary Marwil, MD
4.6 (10 Ratings)
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Dr. Zachary Marwil, MD

Internal Medicine* Age 43
Wantagh, NY
Accepting new patients
15 years of experience

Offers telehealth

Dr. Zachary Marwil, MD is an Internal Medicine Specialist in Wantagh, NY.

About

Dr. Zachary Marwil, MD is an Internal Medicine Specialist in Wantagh, NY and has 15 years experience. They graduated from University of Missouri. They currently practice at Gastrointestinal Specs Lng Is and are affiliated with Mercy Medical Center. Dr. Marwil has experience treating conditions like Constipation and Gastroptosis among other conditions at varying frequencies. At present, Dr. Marwil received an average rating of 4.6/5 from patients and has been reviewed 10 times. Their office accepts new patients and telehealth appointments. Dr. Marwil 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.

Compare with other Internal Medicine Specialists

Compare Dr. Marwil with our nearby Internal Medicine Specialists at Optum Medical Care, P.C.
These providers are on the medical staff of Optum Medical Care, P.C.
These providers are on the medical staff of Optum Medical Care, P.C..
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Experience Check

Enter a condition or procedure
Constipation
Gastroptosis
Abdominal Pain
Constipation
Gastroptosis
Abdominal Pain
Acute Gastritis
Anal or Rectal Pain
Anemia
  • View other providers who treat Anemia
Barrett's Esophagus
Celiac Disease
Colorectal Polyp
Crohn's Disease
Diaphragmatic and Hiatal Hernia
Diarrhea
  • View other providers who treat Diarrhea
Dysphagia
Enteritis
Eosinophilic Esophagitis
Esophagitis
Gallstones
Gas-Bloat Syndrome
Gastric Ulcer
Gastritis
Gastroesophageal Reflux Disease (GERD)
Gastrointestinal Bleeding
Gastrointestinal Malabsorption
Gastroparesis
Hemorrhoids
Indigestion
Infectious Diarrheal Disease
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
Peptic Ulcer
Tobacco Use Disorder
Ulcerative Colitis
Unexplained Weight Loss
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
Smoking Cessation Counseling
Adult Failure to Thrive
Alcoholic Cirrhosis
Alcoholic Fatty Liver
All Types of Food Poisoning
Ascites
  • View other providers who treat Ascites
Barretts Esophagus with Dysplasia
Benign Neoplasm of the Digestive System
Biliary Cirrhosis
Bowel Strangulation
Chronic Gastritis
Cirrhosis
Congenital Achalasia
Congenital Anomaly Esophagus
Congenital Anomaly Intestine
Copper Metabolism Disorders
Dehydration
Diffuse Esophageal Spasm
Duodenal Cancer
Duodenal Ulcer
Duodenitis
Dysentery
Esophageal Achalasia and Cardiospasm
Esophageal Diverticulum
Esophageal Motility Disorders
Esophageal Ulcer
Esophageal Varices
Familial Adenomatous Polyposis
Feculent Vomiting
Food Allergy
Food Poisoning
Gastrojejunal Ulcer
Heartburn
Hemochromatosis
Hepatitis B - Immune Response
Hepatitis C
Hepatorenal Syndrome
Hernia
  • View other providers who treat Hernia
Hiatal Hernia
Ileus
  • View other providers who treat Ileus
Intestinal Malabsorption Carbohydrate
Intestinal Obstruction
Ischemic Colitis
Joint Pain
Lactose Intolerance
Liver Damage from Alcohol
Liver Fluke
Mallory-Weiss Syndrome
Malnutrition
Meckel's Diverticulum
Megacolon
Neoplasm of Gastrointestinal Tract
Pancreatitis
Pouchitis
Primary Biliary Cholangitis
Reflux Esophagitis
Roundworm
Salmonella Food Poisoning
Shortness of Breath
Splenomegaly
Thrush
  • View other providers who treat Thrush
Upper Digestive Tract Cancer
Viral Enteritis
Viral Hepatitis
Vitamin B12 Anemia
Vitamin_Deficiency
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
Ultrasound
VAP Lipid Testing
Wireless pH Testing

Insurance Accepted

* Please verify this information when scheduling an appointment.
  • Select
  • National (BlueCard) PPO
  • Blue Card PPO
  • HealthyBlue Advantage
  • MultiPlan PPO
  • United Healthcare

Locations

  1. 1 Gastrointestinal Specs Lng Is
    3019 Merrick Rd, Wantagh, NY 11793
  2. 2 Brooklyn Campus of the Va Ny Harbor Healthcare System
    800 Poly Pl, Brooklyn, NY 11209

Patient Satisfaction

Likelihood to recommend Dr. Marwil
4.6
Based on 10 Reviews
5 Stars (9)
4 Stars (0)
3 Stars (0)
2 Stars (0)
1 Star (1)

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How likely are you to recommend Dr. Marwil?

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Patient Reviews
Oct 04, 2021
Dr Marwil is a young, caring, very thorough, compassionate Doctor! Doctor Marwil found my cancer and has been quarterbacking the start of getting me the proper treatment! He is a man of his word when he said he will be checking in from time to time through this process, he has!
Brendan — Oct 04, 2021
See more reviews on Healthgrades
Photo: Dr. Zachary Marwil, MD
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Dr. Marwil'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. Marwil

  • 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. Marwil, or would you like to choose another provider and have an online appointment right now?
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Call now to make an appointment
(516) 785-8075

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
  • University of Missouri
    2009
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.
Common Questions and Answers
Responses are sourced directly from patients.
Does Dr. Marwil communicate via email?
1 user said yes.
Yes
(1)
No
(0)
Does Dr. Marwil offer telehealth services or virtual visits?
2 users said yes.
Yes
(2)
No
(0)
Does Dr. Marwil offer an online patient portal?
3 users said yes.
Yes
(3)
No
(0)
Does Dr. Marwil have free onsite parking?
3 users said yes.
Yes
(3)
No
(0)
Does Dr. Marwil offer weekend visits?
1 user said yes.
Yes
(1)
No
(1)
Does Dr. Marwil offer evening visits?
1 user said yes.
Yes
(1)
No
(0)
Does Dr. Marwil specialize in working with children or adolescents?
No responses yet.
Yes
(0)
No
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Does Dr. Marwil specialize in working with seniors?
No responses yet.
Yes
(0)
No
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Does Dr. Marwil specialize in couples therapy?
No responses yet.
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(0)
No
(0)
Does Dr. Marwil specialize in working with LGBTQ+ community?
No responses yet.
Yes
(0)
No
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Does Dr. Marwil accept insurance?
No responses yet.
Yes
(0)
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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. Zachary Marwil, MD. To arrange an appointment, call the number on Dr. Marwil's profile.

Dr. Marwil frequently treats the following conditions: Constipation and Gastroptosis. See more on Sharecare.

Dr. Zachary Marwil, MD is affiliated with Mercy Medical Center.

Yes, Dr. Zachary Marwil, MD holds board certification in Gastroenterology.

Hospital Affiliations

  • Mercy Medical Center

    1000 N Village Ave, Rockville Centre, NY