Dr. Matthew S Loewenstein, MD
Internal Medicine, Gastroenterology in Cambridge, Massachusetts
1215904982- Practice location
- 300 Mt Auburn St, Suite 507, Cambridge, MA 02238
- Phone
- 617-876-5674
- Fax
- 617-661-7640
- Last updated
- July 13, 2026
Matthew Samuel Loewenstein is an Internal Medicine, Gastroenterology based in Cambridge, MA. Matthew Samuel Loewenstein practices in Cambridge, MA and has the professional credentials of MD. The NPI Number for Matthew Samuel Loewenstein is 1215904982 and holds a License No. 35973 (MA). The current practice location address for Matthew Samuel Loewenstein is 300 Mt Auburn St, Suite 507, Cambridge, MA 02238 and can be reached out via phone at 617-876-5674 and via fax at 617-661-7640.
Provider Profile Details
- NPI Number
- 1215904982
- Provider Name
- Matthew Samuel Loewenstein
- Credential
- MD
- Provider Entity Type
- Individual
- Gender
- Male
- Address
- 300 Mt Auburn St, Suite 507, Cambridge, MA 02238
- Phone Number
- 617-876-5674
- Fax Number
- 617-661-7640
- Primary Taxonomy
- Internal Medicine, Gastroenterology · 207RG0100X
- Sole Proprietor
- No
- Provider Enumeration Date
- March 2, 2006
- Last Update Date
- July 13, 2026
- NPI Status
- Active
Provider Business Practice Location Address Details
- Address
- 300 Mt Auburn St
Suite 507
Cambridge, MA 02238 - City
- Cambridge
- State
- Massachusetts
- Zip
- 02238
- Phone Number
- 617-876-5674
- Fax Number
- 617-661-7640
Provider Business Mailing Address Details
- Address
- 300 Mt Auburn St
Suite 507
Cambridge, MA 02238 - City
- Cambridge
- State
- MA
- Zip
- 02238
- Phone Number
- 617-876-5674
- Fax Number
- 617-661-7640
License Information
- License Number
- 35973
- License State
- MA
- Taxonomy
- Internal Medicine, Gastroenterology · 207RG0100X · Primary
Legacy Identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| No legacy identifiers (Medicaid, Medicare or plan IDs) are on file for this provider. | |||
Other Internal Medicine, Gastroenterology providers near Cambridge, MA
View all Internal Medicine, Gastroenterology providers in Cambridge →- Cambridge Digestive Health PCInternal Medicine, Gastroenterology · NPI 1649673724
- Dr. Bryan W Ferrigno, MDInternal Medicine, Gastroenterology · NPI 1265056816
- Dr. Julio C Ayala, MDInternal Medicine, Gastroenterology · NPI 1104883347
- Dr. Michael D Kelso Jr., MDInternal Medicine, Gastroenterology · NPI 1679868277
- Dr. Richard C Gardner, MDInternal Medicine, Gastroenterology · NPI 1851381420
- Elena Fradkov, MDInternal Medicine, Gastroenterology · NPI 1326438953
Frequently Asked Questions
What is the NPI number of Dr. Matthew S Loewenstein, MD?
The NPI number of Dr. Matthew S Loewenstein, MD is 1215904982. It was assigned on March 2, 2006 and is currently active in the NPPES registry.
What is the specialty of Dr. Matthew S Loewenstein, MD?
Dr. Matthew S Loewenstein, MD is registered under the primary taxonomy Internal Medicine, Gastroenterology (code 207RG0100X), licensed in MA under license number 35973.
Where does Dr. Matthew S Loewenstein, MD practice?
The practice location is 300 Mt Auburn St, Suite 507, Cambridge, MA 02238. The office can be reached at 617-876-5674 (phone) or 617-661-7640 (fax).
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS). It is used in HIPAA standard transactions.
How do I verify this NPI record?
This record is sourced from the public NPPES NPI Registry maintained by CMS. You can confirm it by searching NPI 1215904982 directly on the NPPES registry website.