ZM
Accepting patients
Telehealth
Who is Dr. Marwil, Gastroenterologist in Wantagh, NY?
Dr. Zachary Marwil, MD is a Gastroenterologist, who primarily practices in Wantagh, NY. He is board certified. Dr. Marwil graduated from St George',s University. He is a member of the New York Society of Gastrointestinal Endoscopy. Dr. Marwil is fluent in English and Hebrew, and is currently seeing new patients. Dr. Marwil’s practice accepts Medicaid, Medicare, UnitedHealthcare, Aetna, Cigna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Marwil’s office at (516) 785-8075.
What are Areas of Expertise for Dr. Marwil?
Dr. Zachary Marwil, MD is a highly-rated, board-certified Gastroenterologist known for expertly diagnosing, treating, and managing a wide array of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Marwil empowers patients to confidently navigate their health journey, specializing in Gastrointestinal Cancer, Inflammatory Bowel Disease, or comprehensive wellness support. Serving the Wantagh/NY community, Dr. Marwil is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Marwil go to medical school and complete their residency?
Medical School: St George',s University
What languages does Dr. Marwil speak?
Dr. Marwil and their clinical team can communicate with patients in the following languages:
English
Hebrew
What conditions does Dr. Marwil treat?
As a Gastroenterologist, Dr. Marwil 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. Marwil. 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:
- 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:
- Acid Reflux
- GERD
- Acid Reflux (GER & GERD) in Adults
- Acid Reflux (GER & GERD) in Children
- Acid Reflux (GER & GERD) in Infants
- Gastroesophageal Reflux
- Heartburn
- Indigestion
ICD-10 Codes:
- K219: Gastro-esophageal reflux disease without esophagitis
Also known as:
- Colon Polyps
- Colonic Polyps
- Colorectal Polyps
- Intestinal Polyps
- Bowel Polyps
ICD-10 Codes:
- Z86010: Personal history of colon polyps
- Z860109: Personal history of other colon polyps
Also known as:
- Widespread Abdominal Pain
- Abdominal Pain
- General stomach pain
- Overall belly pain
- Diffuse abdominal pain
- Stomach Ache
- Belly Pain
- Stomach Pain
ICD-10 Codes:
- R1084: Generalized abdominal pain
- R109: Unspecified abdominal pain
Also known as:
- Barrett's Esophagus
- Other Esophagus Condition
- Esophagus Disorder
- Barrett’s Esophagus
- Barrett's condition
- Esophageal metaplasia
- Various esophageal diseases
- Miscellaneous esophagus problems
- Other food pipe issues
ICD-10 Codes:
- K2270: Barrett's esophagus without dysplasia
- K2289: Other specified disease of esophagus
Also known as:
- Other Pre-Procedure Examination
- Various pre-op checks
- Miscellaneous pre-surgery exams
- Other pre-treatment assessments
ICD-10 Codes:
- Z01818: Encounter for other preprocedural examination
Also known as:
- Constipation
- Difficulty Passing Stool
- Infrequent Bowel Movements
- Hard Stools
ICD-10 Codes:
- K5900: Constipation, unspecified
Also known as:
- Diarrhea
- Loose stools
- Runny poop
- Frequent bowel movements
ICD-10 Codes:
- R197: Diarrhea, unspecified
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
Also known as:
- Family History of Digestive Organ Cancer
- Cancer
- Family History
- Genetic risk for gastrointestinal cancer
- Family history of GI cancer
- Hereditary digestive cancer
ICD-10 Codes:
- Z800: Family history of malignant neoplasm of digestive organs
Also known as:
- Change in Bowel Habits
- Bowel Movement
- Altered Bowel Habits
- Irregular Bowel Movements
- Changes in Pooping
ICD-10 Codes:
- R194: Change in bowel habit
Also known as:
- COVID-19 Testing
- Coronavirus Test
- SARS-CoV-2 Test
- COVID Test
ICD-10 Codes:
- Z1152: Encounter for screening for COVID-19
Also known as:
- Large Intestine Diverticulosis
- Diverticulosis and Diverticulitis
- Diverticular Disease
- Colon Diverticula
- Pockets in the Colon
ICD-10 Codes:
- K5730: Diverticulosis of large intestine without perforation or abscess without bleeding
Also known as:
- Crohn's Disease
- Crohn’s Disease
- Regional Enteritis
- Inflammatory Bowel Disease (IBD)
- Terminal Ileitis
ICD-10 Codes:
- K5090: Crohn's disease, unspecified, without complications
Also known as:
- Diaphragmatic Hernia
- Hernia
- Hiatal Hernia
- Hernia of the Diaphragm
ICD-10 Codes:
- K449: Diaphragmatic hernia without obstruction or gangrene
Also known as:
- Iron Deficiency Anemia
- Anemia
- Iron
- Anemia from Iron Lack
- Low Iron Anemia
- Sideropenic Anemia
ICD-10 Codes:
- D509: Iron deficiency anemia, unspecified
Also known as:
- Ulcerative Colitis
- Colitis
- Inflammatory Bowel Disease (IBD)
- Chronic Colitis
ICD-10 Codes:
- K5190: Ulcerative colitis, unspecified, without complications
Which procedures does Dr. Marwil perform as a Gastroenterologist?
As a Gastroenterologist, procedures performed by a Dr. Zachary Marwil may include:
- Colonoscopy
- Colonoscopy Consultation
- Colorectal Cancer Screening
- Endoscopic Ultrasound
- Endoscopy / Endoscopic Ultrasound
- Gastric Balloon
- Gastric Stimulator Implantation Consultation
- Gastric Stimulator Implantation Follow Up
For detailed information, please contact Dr. Marwil's office.
Does Dr. Marwil accept my insurance?
Dr. Marwil accepts most major insurance plans. Important: Please call our office at (516) 785-8075 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Marwil accept in Wantagh, NY?
Dr. Marwil in Wantagh, NY accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
EmblemHealth
Express Scripts
Humana
International Alliance of Theatrical Stage Employees (IATSE)
Medicaid
Medicare
UnitedHealthcare
View All Insurances
Recognitions
Memberships & Associations
New York Society of Gastrointestinal Endoscopy
Member
What is Dr. Marwil's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Marwil's National Provider Identifier (NPI) number is 1609002229.
What common questions do patients ask about Dr. Marwil?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Marwil
What is Dr. Zachary Marwil's specialty?
Dr. Marwil 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. Marwil to book an appointment today.
Is this Dr. Zachary Marwil affiliated with a ranked Castle Connolly Top Hospital?
No, Marwil is not affiliated with a Castle Connolly Top Hospital. Castle Connolly Top Hospitals 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 Zachary Marwil accepting new patients in Wantagh, NY?
Yes, Dr. Zachary Marwil is accepting new patients at this time.
Does Dr. Zachary Marwil offer online booking?
Please contact Dr. Marwil's office at (516) 785-8075 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Zachary Marwil?
Please contact Dr. Marwil's office at (516) 785-8075 for information regarding telehealth appointment availability or for scheduling assistance.
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