| 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 |
| Saturday | 7:00 AM - 1:00 PM |
| Sunday | Closed |
Andrew T. Marshall, MD
Specialty
Gastroenterology
Languages
English
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Call 1-888-406-0090* to speak with a licensed insurance agent or shop online.
Seeing patients at
Patient Reviews
Patient review summary
Learn about our survey5
4
3
2
1
4.8
46 reviews
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- 5.0 Reviewed on May 26, 2026
- Verified Review
Excellent diagnostician and caring.
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- 5.0 Reviewed on May 6, 2026
- Verified Review
Been going to Andrew Marshall for about 20 yrs.He has always treated me with great respect I am very comfortable with him. He takes his time to listen to my concerns and has great bedside manner. Highly recommend Dr.Marshall
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- 5.0 Reviewed on May 1, 2026
- Verified Review
He Is through and Is most caring.
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- 5.0 Reviewed on Apr 27, 2026
- Verified Review
Very thorough.
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- 5.0 Reviewed on Apr 15, 2026
- Verified Review
This Doctor is amazing! Professional! Attentive to your need.
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- 5.0 Reviewed on Apr 9, 2026
- Verified Review
Dr Marshall shows concern, listens to my concerns and gives honest feedback.
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- 5.0 Reviewed on Mar 26, 2026
- Verified 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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- 5.0 Reviewed on Mar 26, 2026
- Verified Review
Compassionate thorough doctor
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- 5.0 Reviewed on Mar 25, 2026
- Verified Review
Personal and appointments are followed Basically very little waiting time in reception area
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- 5.0 Reviewed on Mar 22, 2026
- Verified Review
Extremely competent.
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- 5.0 Reviewed on Mar 18, 2026
- Verified Review
Dr. Marshall is always wonderful!
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- 5.0 Reviewed on Mar 18, 2026
- Verified Review
Compassionate, knowledgeable and explains things thoroughly.
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- 5.0 Reviewed on Feb 26, 2026
- Verified Review
Calming, doesn’t rush the patient out, answered all questions or concerns
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- 5.0 Reviewed on Feb 20, 2026
- Verified Review
Dr Marshall is very thorough and responsive, a good diagnostician.
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- 5.0 Reviewed on Feb 14, 2026
- Verified Review
He’s efficient, courteous , caring and extremely thorough
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- 5.0 Reviewed on Feb 10, 2026
- Verified Review
Always very professional and pleasant to deal with
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- 5.0 Reviewed on Feb 5, 2026
- Verified Review
Takes time and interest to listen to all my concerns with my well being
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- 4.5 Reviewed on Feb 2, 2026
- Verified Review
He is very thorough
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- 5.0 Reviewed on Jan 17, 2026
- Verified Review
Very friendly and knowledable
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- 5.0 Reviewed on Jan 14, 2026
- Verified Review
A trully knowledgable,empathetic but firm medical provider.
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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 list is for informational purposes only and may not reflect the most current plans accepted by the provider. Optum accepts most major health insurance plans. Please contact your insurance company to confirm your coverage, eligibility, and the provider's participation in your plan.
- 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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The contact information listed will direct you to a licensed representative that works with Medicare enrollees to explain Medicare Advantage and Prescription Drug Plan options. There may not be plans available in your area. Any information provided is limited to those plans offered in your area.
*The contact information listed will direct you to a licensed representative that works with Medicare enrollees to explain Medicare Advantage and Prescription Drug Plan options. There may not be plans available in your area. Any information provided is limited to those plans offered in your area. Please contact Medicare.gov or 1-800-MEDICARE to get information on all of your options.
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