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

WILLIAM H SHRANK MD
NPI 1164409629
Internal Medicine in Boston, MA

Active since December 27, 2005
55 FRANCIS ST, BOSTON, MA 02115(617) 732-6049 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About William H Shrank Md NPPES

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

WILLIAM H SHRANK MD (NPI 1164409629) is an individual internal medicine provider in Boston, Massachusetts, licensed in Massachusetts (226451) and active in the NPI registry since December 2005.

NPPES Registry Identity

NPI1164409629
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameWILLIAM H SHRANKCredential: MD
Location Address55 FRANCIS STBoston, MA 02115-6105
Mailing Address111 Cypress StBrookline, MA 02445-6801
Sole ProprietorNo
Enumeration DateDecember 27, 2005
Last NPPES UpdateJuly 13, 2026
NPI 1164409629 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 · 226451
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 FRANCIS ST, Boston, MA 02115

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 William Shrank's NPI number?

The NPI number for William Shrank is 1164409629. It was assigned to this individual provider in the NPPES registry on December 27, 2005.

Where is William Shrank located?

William Shrank practices at 55 Francis St, Boston, MA 02115. The listed phone number is (617) 732-6049.

What is William Shrank'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 William Shrank 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 27 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.