DR. WILLIAM V BLAZEK JR. M.D.
NPI 1659434561
Internal Medicine in Boston, MA

Active since December 19, 2006
780 ALBANY ST, BOSTON HEALTH CARE FOR THE HOMELESS PROGRAM, BOSTON, MA 02118(857) 654-1000(857) 654-1100 Get Directions Write a Review

NPPES record last updated: December 17, 2009. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. William V Blazek Jr. M.d. NPPES

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

DR. WILLIAM V BLAZEK JR. M.D. (NPI 1659434561) is an individual internal medicine provider in Boston, Massachusetts, licensed in Massachusetts (242173) and active in the NPI registry since December 2006.

NPPES Registry Identity

NPI1659434561
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. WILLIAM V BLAZEK JR.Credential: M.D.
Location Address780 ALBANY ST, BOSTON HEALTH CARE FOR THE HOMELESS PROGRAMBoston, MA 02118-2524
Mailing Address6 Sumner Rd, Lafarge Jesuit CommunityCambridge, MA 02138-3015 · (202) 276-3080
Fax(857) 654-1100
Sole ProprietorNo
Enumeration DateDecember 19, 2006
Last NPPES UpdateDecember 17, 2009
NPI 1659434561 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 · 242173
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.
780 ALBANY ST, Boston, MA 02118

Other Identifiers 1

Medicare UPINC87880DC

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.

Social Worker (Clinical)
780 ALBANY ST
BOSTON, MA 02118
Registered Nurse
780 ALBANY ST
BOSTON, MA 02118
Nurse Practitioner
780 ALBANY ST
BOSTON, MA 02118
Dentist (General Practice)
780 ALBANY ST
BOSTON, MA 02118
Clinic/Center (Federally Qualified Health Center (FQHC))
780 ALBANY ST
BOSTON, MA 02118
Registered Nurse
780 ALBANY ST
BOSTON, MA 02118
Registered Nurse
780 ALBANY ST
BOSTON, MA 02118
Social Worker (Clinical)
780 ALBANY ST
BOSTON, MA 02118

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 Blazek's NPI number?

The NPI number for William Blazek is 1659434561. It was assigned to this individual provider in the NPPES registry on December 19, 2006.

Where is William Blazek located?

William Blazek practices at 780 Albany St Boston Health Care For The Homeless Program, Boston, MA 02118. The listed phone number is (857) 654-1000.

What is William Blazek'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 Blazek was last updated on December 17, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.