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

JOSEPH WILLIAM VIOLA MD
NPI 1194715722
Internal Medicine in Brookline, MA

Active since October 25, 2005
77 POND AVE, SUITE 104C, BROOKLINE, MA 02445(617) 566-3900 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Joseph William Viola Md NPPES

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

JOSEPH WILLIAM VIOLA MD (NPI 1194715722) is an individual internal medicine provider in Brookline, Massachusetts, licensed in Massachusetts (36421) and active in the NPI registry since October 2005.

NPPES Registry Identity

NPI1194715722
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameJOSEPH WILLIAM VIOLACredential: MD
Location Address77 POND AVE, SUITE 104CBrookline, MA 02445-7141
Mailing Address77 Pond Ave, Suite 104cBrookline, MA 02445-7141 · (617) 566-3900
Sole ProprietorNo
Enumeration DateOctober 25, 2005
Last NPPES UpdateJuly 13, 2026
NPI 1194715722 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 · 36421
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.
77 POND AVE, Brookline, MA 02445

Other Providers at the Same Location NPPES 9

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

Dentist
77 POND AVE, SUITE 103
BROOKLINE, MA 02445
Internal Medicine
77 POND AVE, SUITE 104C
BROOKLINE, MA 02445
Surgery
77 POND AVE, APT C311
BROOKLINE, MA 02445
Clinic/Center (Ambulatory Surgical)
77 POND AVE, SUITE104C
BROOKLINE, MA 02445
Psychologist
77 POND AVE, SUITE 101 THE BROOK HOUSE
BROOKLINE, MA 02445
Surgery (Plastic and Reconstructive Surgery)
77 POND AVE, SUITE 104C
BROOKLINE, MA 02445
Surgery (Plastic and Reconstructive Surgery)
77 POND AVE, STE 104C
BROOKLINE, MA 02445
Dentist (General Practice)
77 POND AVE, C103
BROOKLINE, MA 02445

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 Joseph Viola's NPI number?

The NPI number for Joseph Viola is 1194715722. It was assigned to this individual provider in the NPPES registry on October 25, 2005.

Where is Joseph Viola located?

Joseph Viola practices at 77 Pond Ave Suite 104C, Brookline, MA 02445. The listed phone number is (617) 566-3900.

What is Joseph Viola'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 Joseph Viola 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 28 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.