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Dr. Zachary Marwil, MDverified Is this you? Manage your online reputation

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 Specialty iconSpecialtiesGastroenterology
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 Location iconLocationWantagh, NY
BioiconBio:
With exceptional expertise in gastroenterology and internal medicine, ...
ExperienceiconExperience:
10+ years
Language SpokeniconLanguage Spoken:
Italian
Hebrew
English
[2][6][3][...]
Common TreatmentsiconCommon Treatments:
Abdominal Pain
Gastroesophageal Reflux Disease (Gerd)
Irritable Bowel Syndrome
Diverticulitis
Institutes AttendediconInstitutes Attended:
SGU
SUNY-DMC
SDHSU
CertificatesiconCertificates:
MD
Res
Fellow
[2][6][3][...]
This profile is an AZ search result. Please verify important details.
Common TreatmentsiconCommon Treatments:
Abdominal Pain
Gastroesophageal Reflux Disease (Gerd)
Irritable Bowel Syndrome
Diverticulitis
Institutes AttendediconInstitutes Attended:
SGU
SUNY-DMC
SDHSU
CertificatesiconCertificates:
MD
Res
Fellow
[2][6][3][...]
specOverview
Dr. Zachary Marwil, MD, is a distinguished gastroenterologist and internal medicine specialist renowned for his expertise in managing complex gastrointestinal conditions such as Crohn's disease and ulcerative colitis. Practicing primarily in Wantagh, NY, Dr. Marwil is affiliated with prominent institutions including North Shore University Hospital and Mercy Medical Center. A proud alumnus of St....
specPractice
insurance
In-network insurance
[10][14][16][...]
1199SEIU
Aetna
Alliant Health Plans
Anthem
Aspire Health Plan
Blue Cross Blue Shield
insurance
Appointments Scheduling
[1]
Gastrointestinal Specs LNG Is
camera iconVirtual Visit
location icon

Address:

3019 Merrick Rd, Wantagh, NY 11793
phone Icon

Phone:

(516) 785-8075

faxIcon

Fax:

(516) 785-8139

[4]
Gastrointestinal Specialists of Long Island
Avatar iconIn-Person Visit
location icon

Address:

306 Hempstead Ave, Malverne, NY 11565
phone Icon

Phone:

(516) 785-8075

faxIcon

Fax:

(516) 785-8139

[1]
Brooklyn Campus of the VA NY Harbor Healthcare System
camera iconVirtual Visit
location icon

Address:

800 Poly Pl, Brooklyn, NY 11209
phone Icon

Phone:

(718) 630-3761

faxIcon

Fax:

(718) 630-3761

[5]
Telemedicine practice for Zachary Marwil
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location icon

Address:

NY
specAbout
NPI/License numbericonNPI/License number:
1609002229
[42]
ExperienceiconExperience:
10+ years
Professional MembershipsiconProfessional Memberships:
American College of Gastroenterology
American Society for Gastrointestinal Endosco...
Language SpokeniconLanguage Spoken:
Italian
Hebrew
English
[2][6][3][...]
Hospital AffiliationsiconHospital Affiliations:
[2][6][3][...]
North Shore University Hospital
Mercy Medical Center
Good Samaritan University Hospital
Mercy Hospital-rockville Centre
North Shore University Hospital at Northwell ...
SpecialtiesiconSpecialties:
Gastroenterology
Internal Medicine
Gastroenterologist
Esophagus Disease
Gastrointestinal Cancer
Common TreatmentsiconCommon Treatments:
Abdominal Pain
Gastroesophageal Reflux Disease (Gerd)
Irritable Bowel Syndrome
Diverticulitis
Education IconEducation & Certifications:
Education Icon
NY State Medical License
 2026
Education Icon
Fellowship - Gastroenterology
Suny Downstate Health Sciences University2016
Education Icon
Chief Resident in Internal Medicine
Suny Downstate Health Sciences University2013
Education Icon
Residency in Dental Medicine
Suny Downstate Medical Center2012
Education Icon
Doctor of Medicine
St George's University School of Medicine2009
Education Icon
Board Certification, Gastroenterology
American Board of Internal Medicine
Education Icon
Board Certification in Internal Medicine
American Board of Internal Medicine
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