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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.

DR. GEORGE LESLIE COHEN MD
NPI 1861482036
Internal Medicine in Boston, MA

Active since October 27, 2005
151 MERRIMAC STREET, SUITE 201, BOSTON, MA 02114(617) 227-5699(617) 227-4873 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Dr. George Leslie Cohen Md NPPES

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

DR. GEORGE LESLIE COHEN MD (NPI 1861482036) is an individual internal medicine provider in Boston, Massachusetts, licensed in Massachusetts (29458) and active in the NPI registry since October 2005.

NPPES Registry Identity

NPI1861482036
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. GEORGE LESLIE COHENCredential: MD
Location Address151 MERRIMAC STREET, SUITE 201Boston, MA 02114
Mailing Address151 Merrimac Street, Suite 201Boston, MA 02114 · (617) 227-5699 · Fax (617) 227-4873
Phone(617) 227-5699
Fax(617) 227-4873
Sole ProprietorNo
Enumeration DateOctober 27, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1861482036 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MA · 29458
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
151 MERRIMAC STREET, Boston, MA 02114
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Other Identifiers 3

Other713862MA · Tufts Health Plan
OtherM07253MA · Bcbs Ma
Medicaid0116564MA

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 George Cohen's NPI number?

The NPI number for George Cohen is 1861482036. It was assigned to this individual provider in the NPPES registry on October 27, 2005.

Where is George Cohen located?

George Cohen practices at 151 Merrimac Street Suite 201, Boston, MA 02114. The listed phone number is (617) 227-5699.

What is George Cohen's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for George Cohen 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 56 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.