JM
Accepting patients
Online booking
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Marshak, Gastroenterologist in Wantagh, NY?
Dr. Jarred Marshak, MD is a Gastroenterologist, who primarily practices in Wantagh, NY. Dr. Marshak is fluent in English, and is currently seeing new patients. Dr. Marshak’s practice accepts Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Marshak’s office at (516) 785-6800.
What languages does Dr. Marshak speak?
Dr. Marshak and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Marshak treat?
As a Gastroenterologist, Dr. Marshak diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Marshak. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- GERD with Esophagitis
- Acid Reflux
- Eosinophilic Esophagitis
- GERD
- Acid Reflux (GER & GERD) in Adults
- Acid Reflux (GER & GERD) in Children
- Acid Reflux (GER & GERD) in Infants
- Reflux Esophagitis
- Acid Reflux Esophagus Inflammation
- Heartburn with Esophagus Damage
- Gastroesophageal Reflux
- Heartburn
- Indigestion
ICD-10 Codes:
- K2100: Gastro-esophageal reflux disease with esophagitis, without bleeding
- K219: Gastro-esophageal reflux disease without esophagitis
Also known as:
- Colon Cancer Screening
- Health Screening
- Colorectal Cancer Screening (PDQ®)
- Screening Tests to Detect Colorectal Cancer and Polyps
- Tests to Detect Colorectal Cancer and Polyps
- Colorectal Cancer Screening
- Colonoscopy Screening
- Bowel Cancer Screening
ICD-10 Codes:
- Z1211: Encounter for screening for malignant neoplasm of colon
Also known as:
- Barrett's Esophagus
- Esophagus Disorder
- Barrett’s Esophagus
- Barrett's condition
- Esophageal metaplasia
ICD-10 Codes:
- K2270: Barrett's esophagus without dysplasia
Also known as:
- Colon Polyps
- Colonic Polyps
- Colorectal Polyps
- Intestinal Polyps
- Bowel Polyps
ICD-10 Codes:
- Z86010: Personal history of colon polyps
Also known as:
- Pre-Procedure Lab Tests
- Pre-op blood work
- Lab tests before surgery
- Pre-treatment lab assessment
ICD-10 Codes:
- Z01812: Encounter for preprocedural laboratory examination
Also known as:
- Rectal Bleeding
- Gastrointestinal Bleeding
- Gastrointestinal (GI) Bleeding
- Anal Bleeding
- Blood in Stool
- Lower GI Bleed
ICD-10 Codes:
- K625: Hemorrhage of anus and rectum
What procedures does Dr. Marshak perform?
As a Gastroenterologist, Dr. Marshak performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Marshak. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Colonoscopy with Biopsy
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy with Polyp Removal
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
CPT Codes:
- 45380: Colonoscopy, flexible; with biopsy, single or multiple
- 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
Also known as:
- Upper Endoscopy with Biopsy
- Biopsy
- Endoscopy
- EGD with Biopsy
- Gastroscopy with Biopsy
- Esophagogastroduodenoscopy with Biopsy
CPT Codes:
- 43239: Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple
Also known as:
- Vein Needle or Catheter Insertion
- Venipuncture
- IV Insertion
- Intravenous Access
- Catheter Placement Vein
CPT Codes:
- 36000: Introduction of needle or intracatheter, vein
Also known as:
- Pulse Oximetry
- Oxygen Saturation Test
- Oximeter Reading
- Blood Oxygen Level Test
CPT Codes:
- 94760: Noninvasive ear or pulse oximetry for oxygen saturation; single determination
Does Dr. Marshak accept my insurance?
Dr. Marshak accepts most major insurance plans. Important: Please call our office at (516) 785-6800 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Marshak accept in Wantagh, NY?
Dr. Marshak in Wantagh, NY accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Centene
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Healthfirst
MagnaCare Rx
Medicare
Service Employees International Union (SEIU)
State of New York
State of Tennessee
UnitedHealthcare
View All Insurances
Where is Dr. Marshak's office located?
Would you like to schedule an appointment with Dr. Jarred Marshak?
Dr. Marshak has appointments available at his Wantagh, NY office. Please select a date and time below.
What is Dr. Marshak's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Marshak's National Provider Identifier (NPI) number is 1538417027.
What common questions do patients ask about Dr. Marshak?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Marshak
What is Dr. Jarred Marshak's specialty?
Dr. Marshak is a Gastroenterologist near Wantagh, NY. An internist focused on diagnosing and treating disorders of the digestive system, encompassing the stomach, intestines, liver, and gallbladder. This specialist manages conditions like abdominal pain, ulcers, diarrhea, cancer, and jaundice, and performs intricate diagnostic and therapeutic procedures using endoscopes to examine internal organs. Contact Dr. Marshak to book an appointment today.
Is this Dr. Jarred Marshak affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Marshak is affiliated with NYU Langone Hospital - Long Island, Mount Sinai South Nassau which are a Castle Connolly Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
Where can I learn more about Gastroenterologist?
Explore Gastroenterologist with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Jarred Marshak accepting new patients in Wantagh, NY?
Yes, Dr. Jarred Marshak is accepting new patients at this time.
Does Dr. Jarred Marshak offer online booking?
Yes, you can use online booking to schedule an appointment with Dr. Marshak, or call (516) 785-6800 for more information.
How can I make an appointment with Jarred Marshak?
Please contact Dr. Marshak's office at (516) 785-6800 for information regarding telehealth appointment availability or for scheduling assistance.
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