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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MICHAEL JOHN MENDELSOHN MD
NPI 1689640302
Emergency Medicine in Falmouth, MA

Active since February 23, 2006
100 TER HAUN DRIVE, FALMOUTH, MA 02540(508) 457-3929(508) 457-3839 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Michael John Mendelsohn Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MICHAEL JOHN MENDELSOHN MD (NPI 1689640302) is an individual emergency medicine provider in Falmouth, Massachusetts, licensed in Massachusetts (154122) and active in the NPI registry since February 2006.

NPPES Registry Identity

NPI1689640302
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameMICHAEL JOHN MENDELSOHNCredential: MD
Location Address100 TER HAUN DRIVEFalmouth, MA 02540
Mailing Address100 Ter Haun DriveFalmouth, MA 02540 · (508) 457-3929 · Fax (508) 457-3839
Phone(508) 457-3929
Fax(508) 457-3839
Sole ProprietorNo
Enumeration DateFebruary 23, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1689640302 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in MA · 154122
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
100 TER HAUN DRIVE, Falmouth, MA 02540
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Other Identifiers 2

OtherJ18811MA · Bcbs
Other45387MA · Hphc

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

HERBERT E GRAY III MD
Emergency Medicine
100 TER HAUN DRIVE
FALMOUTH, MA 02540
Barnstable County (508) 457-3929
MARK F LOSORDO MD
Emergency Medicine
100 TER HAUN DRIVE
FALMOUTH, MA 02540
Barnstable County (508) 457-3929
STEPHANIE M TUDOR PA
Physician Assistant
100 TER HAUN DRIVE
FALMOUTH, MA 02540
Barnstable County (508) 457-3748

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Michael Mendelsohn's NPI number?

The NPI number for Michael Mendelsohn is 1689640302. It was assigned to this individual provider in the NPPES registry on February 23, 2006.

Where is Michael Mendelsohn located?

Michael Mendelsohn practices at 100 Ter Haun Drive, Falmouth, MA 02540. The listed phone number is (508) 457-3929.

What is Michael Mendelsohn's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

When was this NPI record last updated?

The NPPES record for Michael Mendelsohn was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 27 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.