Summary

Dr. Andrew Marshall is a gastroenterologist with 34 years of experience helping patients with digestive health concerns. He earned his medical degree from the Icahn School of Medicine at Mount Sinai and completed his residency at Beth Israel Medical Center. Dr. Marshall speaks English and brings more than three decades of clinical expertise to his practice.

Dr. Marshall practices at Northwell Health Hospital and sees patients in Hewlett, New York. He specializes in treating high cholesterol in children and teens, hyperlipidemia, and familial lipid disorders. His diagnostic capabilities include performing blood tests, electrocardiograms, and fecal occult blood tests. Patients have given Dr. Marshall an average rating of 3.3 out of 5 stars.

Overview based on verified provider data

Quick Facts

  • 3.3
  • 34 years of experience
  • 30 insurance plans accepted
  • speaks English
  • Beth Israel Medical Center
  • 6 written reviews
  • 2 specialties
  • 11 areas of expertise
  • 1 hospital affiliation
  • 1 office location
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Location

Andrew T Marshall

1800 Rockaway Ave Ste 201Hewlett, NY 11557
MonClosed
Tue7:00 am - 5:00 pm
Wed7:00 am - 4:00 pm
Thu7:00 am - 5:00 pm
Fri7:00 am - 4:00 pm
Sat7:00 am - 1:00 pm
SunClosed

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Andrew T Marshall, MDDr. Michael Schopis, MDDr. Divya Mallam, MDDr. Weidan Zhao, MD
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients
3.3 
4.3 
34 Years of Experience 9 Years of Experience 16 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English Speaks English Speaks English Speaks English
Hewlett , NYNew York , NYNew York , NYNew York , NY
Med School: Icahn School Of Medicine At Mount Sinai Med School: University Of Toledo College Of Medicine Med School: State University of New York (SUNY) Downstate Health Sciences University College of Medicine Med School: University of Toledo
Current Profile
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Insurance Plans Accepted by Andrew T Marshall

  • Accepts Medicare
  • Aetna
  • Affinity by Molina Healthcare
  • Anthem Blue Cross Blue Shield
  • CDPHP
  • Centivo
  • Cigna
  • Connecticare
  • Consumer Health Network
  • Coventry
  • EmblemHealth Insurance Company
  • EmblemHealth Plan Inc
  • Empire Blue Cross Blue Shield
  • Fidelis
  • First Health Network
  • Great West Healthcare
  • Health Insurance Plan of Greater Network
  • Healthfirst
  • Humana
  • MagnaCare
  • Medicare
  • Multiplan
  • MVP Health Care
  • Northwell Direct Network
  • Oscar
  • Oxford
  • Partners Health Plan
  • Private Healthcare Systems
  • The New York State Health Insurance Program
  • Tricare
  • United Healthcare

Medical Specialties

Andrew T Marshall has the following 2 specialties

Specialty Expertise

Andrew T Marshall has the following 11 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Acid Reflux Disease (GERD)
  • Celiac Disease
  • Colonoscopy
  • Constipation
  • Gastroenterologist
  • Hemorrhoids
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Certifications, License, & Education

34 Years Experience

Andrew T Marshall holds an active medical license in the state of New York.

Medical License

Medical Doctor with an active medical license in the state of New York that expires in 2026.

Education & Training

Residency

Completed their residency at Beth Israel Medical Center.

Medical School

Graduated from Icahn School Of Medicine At Mount Sinai in 1992.

NPI Number

Andrew T Marshall's NPI number is 1801846290.

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Frequently Asked Questions

Does Andrew Marshall accept my insurance?
You can see the insurance plans that Andrew Marshall accepts on their Vitals profile.
Where is Andrew Marshall's office located?
Andrew Marshall's office is located at 1800 Rockaway Ave Ste 201, Hewlett, NY, 11557.
What languages does Andrew Marshall speak?
Andrew Marshall speaks English.
Which hospitals is Andrew Marshall affiliated with?
Andrew Marshall is affiliated with Northwell Health Hospital.
Does Andrew Marshall accept virtual/telehealth appointments?
Andrew Marshall has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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