Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. JAMES JOSEPH DINEEN MD
NPI 1821076654
Internal Medicine in Boston, MA

Active since January 03, 2006
MASS GENL HOSP, WANG ACC 5, BOSTON, MA 02114(617) 724-6660(617) 724-6632 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Dr. James Joseph Dineen Md NPPES

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

DR. JAMES JOSEPH DINEEN MD (NPI 1821076654) is an individual internal medicine provider in Boston, Massachusetts, licensed in Massachusetts (31419) and active in the NPI registry since January 2006.

NPPES Registry Identity

NPI1821076654
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. JAMES JOSEPH DINEENCredential: MD
Location AddressMASS GENL HOSP, WANG ACC 5Boston, MA 02114-3130
Mailing AddressPo Box 9142Charlestown, MA 02129-9142 · (617) 724-0287 · Fax (617) 726-2894
Fax(617) 724-6632
Sole ProprietorNo
Enumeration DateJanuary 3, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1821076654 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 · 31419
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.

MASS GENL HOSP, Boston, MA 02114

Other Identifiers 3

Medicaid2008262MA
OtherB33283MA · Bcbs Ma
Other031419MA · Tufts Health Plan

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1821076654, enumerated as an "individual" on January 03, 2006.

The provider is located at MASS GENL HOSP WANG ACC 5 BOSTON, MA 02114 and the phone number is (617) 724-6660.

Internal Medicine with taxonomy code 207R00000X.

The provider might be accepting Accepts: Medicare, Medicaid, Blue Cross Blue Shield and. Please consult your insurance carrier or call the provider to verify.