DR. JULES LEONARD DIENSTAG MD
NPI 1710959390
Internal Medicine in Boston, MA
About Dr. Jules Leonard Dienstag Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JULES LEONARD DIENSTAG MD (NPI 1710959390) is an individual internal medicine provider in Boston, Massachusetts, licensed in Massachusetts (42401) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
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.
Other Identifiers 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Jules Leonard Dienstag Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02114 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
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 Jules Dienstag's NPI number?
The NPI number for Jules Dienstag is 1710959390. It was assigned to this individual provider in the NPPES registry on February 7, 2006.
Where is Jules Dienstag located?
Jules Dienstag practices at 55 Fruit St Blk 4, Gastroenterology Associates, Boston, MA 02114. The listed phone number is (617) 726-7450.
What is Jules Dienstag's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Jules Dienstag enrolled in Medicare?
Yes. Jules Dienstag is registered in the Medicare PECOS enrollment system.
What insurance does Jules Dienstag accept?
Health plans from Anthem Blue Cross and Blue Shield list Jules Dienstag as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Jules Dienstag was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.