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

Matthew S. Loewenstein, MD

Organization Gastroenterology Physician · NPI 1750598652

Matthew S. Loewenstein, MD is a Gastroenterology Physician in Cambridge, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2007.

Licensed in
MA
In the registry since
2007

Practice location Address checks out

300 Mount Auburn St Ste 507
Cambridge, MA 02138-5600
Phone: (617) 876-5674
Fax: (617) 661-7640
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 35973 (MA)

Record details

NPI number1750598652
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Valentine Garabedian — Office Manager · (617) 876-5674
Other names Cambridge Gastroenterology Associates
NPI enumeratedMay 17, 2007
Last updated in NPPESAugust 22, 2020
Mailing address300 Mount Auburn St, Suite 507, Cambridge, MA 02138-5600

Other providers in Cambridge