| Monday | 7:00 AM - 5:00 PM |
| Tuesday | 7:00 AM - 5:00 PM |
| Wednesday | 7:00 AM - 4:00 PM |
| Thursday | 7:00 AM - 5:00 PM |
| Friday | 7:00 AM - 4:00 PM |
| Sunday | Closed |
Andrew T. Marshall, MD
Specialty
Gastroenterology
Languages
English
Seeing patients at
Patient Reviews
Patient review summary
Learn about our survey5
4
3
2
1
4.8
43 reviews
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Mar 26, 2026Verified Review
He is 100% committed to treating me with compassion and professionalism. He is a no nonsense doctor that performs the gastrointestinal procedures seamlessly. I trust him explicitly
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Mar 26, 2026Verified Review
Compassionate thorough doctor
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Mar 25, 2026Verified Review
Personal and appointments are followed Basically very little waiting time in reception area
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Mar 22, 2026Verified Review
Extremely competent.
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Mar 18, 2026Verified Review
Dr. Marshall is always wonderful!
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Mar 18, 2026Verified Review
Compassionate, knowledgeable and explains things thoroughly.
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Feb 26, 2026Verified Review
Calming, doesn’t rush the patient out, answered all questions or concerns
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Feb 20, 2026Verified Review
Dr Marshall is very thorough and responsive, a good diagnostician.
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Feb 14, 2026Verified Review
He’s efficient, courteous , caring and extremely thorough
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Feb 10, 2026Verified Review
Always very professional and pleasant to deal with
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Feb 5, 2026Verified Review
Takes time and interest to listen to all my concerns with my well being
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Feb 2, 2026Verified Review
He is very thorough
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Jan 17, 2026Verified Review
Very friendly and knowledable
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Jan 14, 2026Verified Review
A trully knowledgable,empathetic but firm medical provider.
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Jan 11, 2026Verified Review
I find him compassionate and caring. But he has someone else call regarding test results, and if you have questions he doesn't get on the phone.
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Jan 8, 2026Verified Review
He is fantastic and cares about his patients
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Jan 8, 2026Verified Review
I'm very satisfied with Dr. Marshall as my physician for the past 30 years.
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Dec 21, 2025Verified Review
He is bright and articulate. He is a consummate professional.
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Nov 30, 2025Verified Review
He is a great doctor and has never disappointed us with his care.
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Nov 30, 2025Verified Review
Takes time with me
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About Andrew T. Marshall, MD
Dr. Andrew T. Marshall is board certified in internal medicine and gastroenterology. He completed medical training at Emory University, Mount Sinai School of Medicine, and Harvard affiliated hospitals.
Philosophy of care
Dr. Marshall partners with patients to deliver thoughtful, comprehensive digestive and primary care.
Gender
Male
Board certifications
American Board of Internal Medicine
Licenses
NY, 193405
Employed or contracted
Employed
Network Name
ProHealth
NPI
1801846290
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Insurance accepted
This may not reflect all insurance accepted by the provider and is for informational purposes only.
- 1199
- Aetna
- Affinity
- Anthem BCBS
- CHN
- Centivo
- Cigna
- Coventry
- EmblemHealth
- First Health
- Humana
- MagnaCare
- Medicaid
- Medicare
- MultiPlan
- NYSHIP
- Northwell Direct
- Oscar
- Oxford
- TRICARE
- UHC
- UMR
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Medical School
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Mount Sinai School Of Medicine Of New York University
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