1. Home
  2. Directory
  3. Massachusetts
  4. Boston
  5. Internal Medicine
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. VIJAY YAJNIK MD, PHD
NPI 1770566119
Internal Medicine in Boston, MA

Active since November 21, 2005
55 FRUIT ST BLK 4, GASTROENTEROLOGY ASSOCIATES, BOSTON, MA 02114(617) 724-6005(617) 726-3080 Get Directions Write a Review

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

About Dr. Vijay Yajnik Md, Phd NPPES

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

DR. VIJAY YAJNIK MD, PHD (NPI 1770566119) is an individual internal medicine provider in Boston, Massachusetts, licensed in Massachusetts (160995) and active in the NPI registry since November 2005.

NPPES Registry Identity

NPI1770566119
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. VIJAY YAJNIKCredential: MD, PHD
Location Address55 FRUIT ST BLK 4, GASTROENTEROLOGY ASSOCIATESBoston, MA 02114-2696
Mailing AddressPo Box 9142, Mass. General Physician OrganizationCharlestown, MA 02129-9142 · (617) 724-0287 · Fax (617) 726-2894
Phone(617) 724-6005
Fax(617) 726-3080
Sole ProprietorNo
Enumeration DateNovember 21, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1770566119 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 · 160995
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.
55 FRUIT ST BLK 4, Boston, MA 02114
Open in Google Maps ↗

Other Identifiers 3

OtherJ21624MA · Bcbs Of Ma
Other160995MA · Tufts Health Plan
Medicaid3204111MA

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 Vijay Yajnik's NPI number?

The NPI number for Vijay Yajnik is 1770566119. It was assigned to this individual provider in the NPPES registry on November 21, 2005.

Where is Vijay Yajnik located?

Vijay Yajnik practices at 55 Fruit St Blk 4 Gastroenterology Associates, Boston, MA 02114. The listed phone number is (617) 724-6005.

What is Vijay Yajnik'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 Vijay Yajnik 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 30 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.