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Dr. Jarred Marshak, MD

Gastroenterology* Age 39
Dr. Jarred Marshak, MD

Offers telehealth

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Dr. Jarred Marshak, MD is a Gastroenterologist in Wantagh, NY.
Dr. Jarred Marshak, MD
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Dr. Jarred Marshak, MD

Gastroenterology* Age 39
Wantagh, NY
Call for new patient details
13 years of experience

Offers telehealth

Dr. Jarred Marshak, MD is a Gastroenterologist in Wantagh, NY.

About

Dr. Jarred Marshak, MD is a Gastroenterologist in Wantagh, NY and has 13 years experience. They graduated from UNIVERSITY OF ALASKA / ANCHORAGE CAMPUS. They currently practice at Practice and are affiliated with Newyork-Presbyterian Queens, Mount Sinai South Nassau, NYU Langone Hospital—long Island and Long Island Jewish Medical Center. Dr. Marshak has experience treating conditions like Nausea, Reflux Esophagitis and Esophagitis among other conditions at varying frequencies. Their office is not accepting new patients. Dr. Marshak 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 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
Nausea
Reflux Esophagitis
Esophagitis
Nausea
Reflux Esophagitis
Esophagitis
Nausea
  • View other providers who treat Nausea
Reflux Esophagitis
Esophagitis
Constipation
Gas-Bloat Syndrome
Abdominal Pain
Anemia
  • View other providers who treat Anemia
Barrett's Esophagus
Biliary Cirrhosis
Cirrhosis
Colorectal Polyp
Crohn's Disease
Diaphragmatic and Hiatal Hernia
Diarrhea
  • View other providers who treat Diarrhea
Duodenitis
Dysphagia
Enteritis
Eosinophilic Esophagitis
Gastritis
Gastroesophageal Reflux Disease (GERD)
Gastrointestinal Bleeding
Gastroptosis
Hemorrhoids
Inflammatory Bowel Disease
Intestinal Diverticulitis
Intestinal Diverticulosis
Intestinal Ulcer
Irritable Bowel Syndrome
Primary Biliary Cholangitis
Ulcerative Colitis
Upper Digestive Tract Cancer
Viral Enteritis
Vitamin_Deficiency
Vomiting Disorders
Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
Duodenal Polypectomy
Endoscopy
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
Abnormal Thyroid
Acute Deep Vein Thrombosis (DVT)
Acute Venous Embolism Thrombosis
Alcoholic Cirrhosis
All Headaches (incl. Migraine)
Anal or Rectal Pain
Anxiety
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Arthritis
Arthritis of the Elbow
Asthma
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Bladder Infection
Canker Sore
Celiac Disease
Chest Pain
Chronic Gastritis
Chronic Pain
COPD (Chronic Obstructive Pulmonary Disease)
Cough
  • View other providers who treat Cough
Deep Vein Thrombosis (DVT)
Dehydration
Diabetes Type 1
Diabetes Type 2
Diabetes With Renal Manifestations
Diabetic Polyneuropathy
Dizziness
Duodenal Cancer
Duodenal Ulcer
Dysentery
Dyslipidemia
Emphysema
Enlarged Prostate (BPH)
Esophageal Achalasia and Cardiospasm
Esophageal Motility Disorders
Esophageal Ulcer
Esophageal Varices
Fever
  • View other providers who treat Fever
Gallstones
Gastric Ulcer
Gastrointestinal Malabsorption
Gastroparesis
Giardiasis
Gout
  • View other providers who treat Gout
Heart Disease
Heart Palpitations
Heartburn
Hepatitis B
Hernia
  • View other providers who treat Hernia
Human Immunodeficiency Virus (HIV)
Hyperlipidemia
Hypertension
Hypotension
Hypotension (Excluding Maternal)
Hypothyroidism
Indigestion
Infectious Diarrheal Disease
Intestinal Obstruction
Intestinal Prolapse
Itchy Skin
Lactose Intolerance
Lipid Disorders
Liver Damage from Alcohol
Migraine
  • View other providers who treat Migraine
Non-Alcoholic Fatty Liver Disease
Noninfectious Gastroenteritis and Colitis
Obesity
  • View other providers who treat Obesity
Osteoarthritis
Osteoarthritis of Foot
Osteoarthritis of Shoulder
Osteoporosis
Overweight
Pancreatitis
Peptic Ulcer
Polyneuropathy
Polyuria
  • View other providers who treat Polyuria
Retroperitoneum Cancer
Sclerosing Mesenteritis
Sexually Transmitted Diseases (STDs)
Shortness of Breath
Sinus Tachycardia
Sleep Apnea
Throat Pain
Tobacco Use Disorder
Tremor
  • View other providers who treat Tremor
Unexplained Weight Loss
Urinary Stones
Vertigo
  • View other providers who treat Vertigo
Viral Hepatitis
Viral Infection
Vitamin D Deficiency
Wheezing
  • View other providers who treat Wheezing
Care Coordination for Complex Conditions and Procedures
Obesity Counseling
Smoking Cessation Counseling

Insurance Accepted

* Please verify this information when scheduling an appointment.
  • Aetna HMO
    APCN Open Access Aetna Select
    AWH NJ Choice MultiTier - Standard Savings POS II
    AWH NJ Choice MultiTier POS II
    Choice Plus POS II
    Elect Choice (Open Access) EPO
    Managed Choice (Open Access) POS
    Open Choice PPO
    Premier Care Network APCN Choice (OAMC) POS II
    Premier Care Network Plus - Innovation Health
    Savings Plus of Metro, NY
    Select
    Signature Administrators PPO
  • Blue Card High Performance Network HPN
    Blue Card PPO
    High Performance Network - Tiered HPN
  • National EPO
  • Cigna HMO
    Cigna PPO
    LocalPlus
    Open Access Plus
  • Flex Connecticut EPO
    Passage HMO
  • GHI CBP
    HIP Prime HMO
  • Blue Acess Employer Sponsored
    Connection Blue High Performance Network
    Connection Employer Sponsored
    Empire Blue Cross Blue Shield PPO
    Empire Hospital
    Empire Hospital/Medical (Trad)
    National Blue High Performance Network
  • BluePPO HSA PPO
    SimplyBlue/Simply Blue Plus PPO
  • Choice Care Network PPO
    Choice Care PPO
    Choice POS
  • MagnaCare PPO
  • MVP Health Plan EPO
  • Oscar Circle EPO
  • Freedom
    Liberty
  • Choice Plus POS
    Navigate HMO
    Navigate POS
    Nexus Open Access
    Options PPO

Locations

  1. 1 Diamond Medical Group PC
    1488 Wantagh Ave, Wantagh, NY 11793
    Icon Directions Right Arrow Directions Phone Icon (516) 785-6800
  2. 2 Wantagh Internal Medicine PC
    2155 Wantagh Ave, Wantagh, NY 11793
    Icon Directions Right Arrow Directions Phone Icon (516) 785-6800
  3. 3 Meadowbrook Medical Associates
    865 Merrick Ave Ste 150N, Westbury, NY 11590
    Icon Directions Right Arrow Directions Phone Icon (516) 542-3636
  4. 4 Winthrop University Hospital
    259 1st St, Mineola, NY 11501
    Icon Directions Right Arrow Directions Phone Icon (516) 663-0333

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Dr. Marshak's Office & Staff

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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. Marshak?
Call now to make an appointment
(516) 785-6800

About Me

Specialties*
Gastroenterology
Internal Medicine
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 ALASKA / ANCHORAGE CAMPUS
    2011
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.
Common Questions and Answers
Responses are sourced directly from patients.
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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. Jarred Marshak, MD. To arrange an appointment, call the number on Dr. Marshak's profile.

Dr. Marshak frequently treats the following conditions: Nausea, Reflux Esophagitis and Esophagitis. See more on Sharecare.

Dr. Jarred Marshak, MD is affiliated with Newyork-Presbyterian Queens, Mount Sinai South Nassau, NYU Langone Hospital—long Island and Long Island Jewish Medical Center.

Yes, Dr. Jarred Marshak, MD holds board certification in Gastroenterology and Internal Medicine.

Hospital Affiliations

  • Newyork-Presbyterian Queens

    5645 Main St, Flushing, NY

  • Mount Sinai South Nassau

    1 Healthy Way, Oceanside, NY

  • NYU Langone Hospital—long Island

    259 1st St, Mineola, NY

  • Long Island Jewish Medical Center

    270 05 76 Ave, New Hyde Park, NY