Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Andrew J. Hsu, MD

Individual provider Gastroenterology Physician · NPI 1003270471

Andrew J. Hsu, MD is a Gastroenterology in Portland, Maine. Graduated from New York University School of Medicine in 2016, 10 years ago. Practices with Mercy Hospital, a 308-clinician group and accepts Medicare assignment. Licensed in Maine and New Hampshire.

Years since qualifying
10
Trained at
New York University School of Medicine
Licensed in
ME, NH
In the registry since
2016
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

155 Fore River Pkwy
Portland, ME 04102-2795
Phone: (207) 535-1100
Fax: (207) 879-8787
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence MD27103 (ME)
Gastroenterology Physician Taxonomy 207RG0100X · Licence 22622 (NH)

Record details

NPI number1003270471
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 11, 2016
Last updated in NPPESAugust 23, 2023
Certification dateAugust 23, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGASTROENTEROLOGY
Medical schoolNEW YORK UNIVERSITY SCHOOL OF MEDICINE
Graduated 2016 (10 years in practice)
Group practice Mercy Hospital — 308 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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