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JOHN Y JAO M.D.
NPI 1538359674
Internal Medicine in Boston, MA

Active since July 25, 2007
110 CHAUNCY ST, BOSTON, MA 02111(617) 654-7535 Get Directions Write a Review

NPPES record last updated: July 25, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About John Y Jao M.d. NPPES

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

JOHN Y JAO M.D. (NPI 1538359674) is an individual internal medicine provider in Boston, Massachusetts, licensed in Massachusetts (31168) and active in the NPI registry since July 2007.

NPPES Registry Identity

NPI1538359674
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameJOHN Y JAOCredential: M.D.
Location Address110 CHAUNCY STBoston, MA 02111-1720
Mailing Address224 Ridgeway RdWeston, MA 02493-2707 · (617) 654-7535
Phone(617) 654-7535
Sole ProprietorNo
Enumeration DateJuly 25, 2007
✔ NPI 1538359674 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 · 31168
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.
110 CHAUNCY ST, Boston, MA 02111
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Other Providers at the Same Location NPPES 8

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

BETH A SCHAFF M.D.
Internal Medicine
110 CHAUNCY ST
BOSTON, MA 02111
Suffolk County (617) 654-7467
WANDA ANN GETCHELL
Social Worker (Clinical)
110 CHAUNCY ST
BOSTON, MA 02111
Suffolk County (617) 529-5001
MARY E CONNELLY M.D.
Internal Medicine
110 CHAUNCY ST
BOSTON, MA 02111
Suffolk County (617) 654-7435
RICHARD K GOULDING M.D.
Internal Medicine
110 CHAUNCY ST
BOSTON, MA 02111
Suffolk County (617) 654-7622
BOSTON PARTNERS IN CARE
Case Management
110 CHAUNCY ST
BOSTON, MA 02111
Suffolk County (617) 451-6400
PHYLLIS B SANDELL M.D.
Internal Medicine
110 CHAUNCY ST
BOSTON, MA 02111
Suffolk County (617) 654-7503
VIRGINIA E BYRNES M.D.
Internal Medicine
110 CHAUNCY ST
BOSTON, MA 02111
Suffolk County (617) 654-7413
MAURICE DOUGLASS POIRIER M.D.
Internal Medicine
110 CHAUNCY ST
BOSTON, MA 02111
Suffolk County (617) 654-7485

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 John Jao's NPI number?

The NPI number for John Jao is 1538359674. It was assigned to this individual provider in the NPPES registry on July 25, 2007.

Where is John Jao located?

John Jao practices at 110 Chauncy St, Boston, MA 02111. The listed phone number is (617) 654-7535.

What is John Jao'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 John Jao was last updated on July 25, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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.