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Dr. Jarred Marshak, MD

Gastroenterology*
Map Pin Small Wantagh, NY
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13 years of experience

Offers telehealth

Overview of Dr. Jarred Marshak, MD

Dr. Jarred Marshak, MD is a Gastroenterology Specialist in Wantagh, NY. They specialize in Gastroenterology, has 13 years of experience, and is board certified in Gastroenterology. They graduated from UNIVERSITY OF ALASKA / ANCHORAGE CAMPUS and is affiliated with NewYork-Presbyterian Queens, Mount Sinai South Nassau, NYU Langone Hospital—Long Island and Long Island Jewish Medical Center.

Dr. Marshak works at Practice in Wantagh, NY with other offices in Westbury, NY and Mineola, NY. They frequently treat conditions like Nausea, Reflux Esophagitis and Esophagitis along with other conditions at varying frequencies. Please call ahead to schedule an appointment and to confirm all accepted insurance plans.

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These providers are on the medical staff of Optum Medical Care, P.C.
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These providers are on the medical staff of Optum Medical Care, P.C..

Dr. Marshak's Office 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

Hospital Affiliations
Admitting Hospitals

Admitting hospitals are where the provider is credentialed to see patients, perform procedures, and send patients for continuous care.

  • NewYork-Presbyterian Queens
  • Mount Sinai South Nassau
  • NYU Langone Hospital—Long Island
  • Long Island Jewish Medical Center

Experience & Treatment Frequency

NEW FEATURE

What is treatment frequency?

Our treatment frequency feature helps you understand howoften a provider performs or treats a specificprocedure/condition compared to other doctors. Providersrank in one of four frequency categories:

Very HighFrequency
HighFrequency
NormalFrequency
May Perform

Specific procedures/conditions that don’t haveenough data are indicated with “May Perform”. We encourageyou to contact the provider with questions about theirexperience.

Search for conditions or procedures.
Nausea
Reflux Esophagitis
Esophagitis
Nausea
Reflux Esophagitis
Esophagitis

Treatment frequency



Many providers have expertise treating multiple conditions or procedures. FindCare uses a variety of data sources to determine which conditions or procedures a provider treats and their level of experience.
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 (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
Abnormal Thyroid
Acute Deep Vein Thrombosis (DVT)
Acute Venous Embolism Thrombosis
Alcoholic Cirrhosis
All Headaches (incl. Migraine)
Anal or Rectal Pain
Anxiety
  • View other providers who treat Anxiety
Arthritis
Arthritis of the Elbow
Asthma
  • View other providers who treat Asthma
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
Check your insurance
    Close Icon
    Please double-check when making an appointment.

    View All Accepted Carriers

    • Aetna
    • Blue Cross Blue Shield
    • Capital District Physician's Health Plan (CDPHP)
    • Cigna
    • Connecticare
    • EmblemHealth
    • Empire Blue Cross Blue Shield
    • Excellus BlueCross BlueShield
    • Highmark Blue Cross Blue Shield
    • Humana
    • MagnaCare
    • MVP Health Care
    • Oscar Health
    • Oxford Health Plans
    • UnitedHealthCare

    * Please verify this information when scheduling an appointment.

    Ratings & Reviews
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    Dr. Marshak'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. Marshak

    • 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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    About Dr. Jarred Marshak, MD

    Specialties*
    • Gastroenterology

    • *Healthline does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
    Specialties*
    Years of Experience
    • 13 years of experience
    Years of Experience
    Years of experience represents how long a provider has been practicing in their field since graduating from medical school. Not all providers will have this information available.
    Languages Spoken
    • English
    Languages Spoken
    NPI Number
    • 1538417027
    NPI Number
    A National Provider Identifier (NPI) is a unique 10-digit identifier issued by the government to healthcare providers.

    Education & Certifications

    Medical Education
    • UNIVERSITY OF ALASKA / ANCHORAGE CAMPUS
    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.

    Frequently Asked Questions

    Dr. Marshak has indicated that they do offer telehealth services. Please call the provider’s office at for more information.

    Dr. Marshak has seen patients for Nausea, Reflux Esophagitis and Esophagitis, and more. You can see other conditions treated by Dr. Marshak on their profile. Please call the provider’s office to confirm all visit reasons.

    Dr. Marshak has not been reviewed and rated on Healthline FindCare, yet. If you have seen this provider you can leave your own review based on your experience with Dr. Marshak.

    Whether a person prefers to schedule an appointment online or over the phone with Dr. Marshak, there are benefits to both methods. A person calling to schedule an with Dr. Marshak appointment can ask questions about the practice, provider availability, conditions treated, procedures performed, and if their insurance carrier is accepted. While online scheduling is quicker, easier, allows one to view a wide range of appointment times, and may provide the ability to sync with a personal calendar.

    Telehealth Options
    This provider has not specified a telehealth appointment method. Would you still like to make an appointment with Dr. Marshak, or would you like to choose another provider and have an online appointment right now?
    Find provider online now
    Call now to make an appointment
    (516) 785-6800

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