1. Home
  2. Directory
  3. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

MARK D BLOSTEIN M.D.
NPI 1730128737
Pathology - Hematology in Montreal, QC

Active since June 05, 2006
3755 CHEMIN DE LA COTE STE CAT, JEWISH GENERAL HOSPITAL, MONTREAL, QC H3T1E(514) 340-8207 Get Directions Write a Review

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

About Mark D Blostein M.d. NPPES

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

MARK D BLOSTEIN M.D. (NPI 1730128737) is an individual hematology provider in Montreal, QC, licensed in Massachusetts (77099) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1730128737
Entity TypeIndividualMale
Primary Taxonomy207ZH0000X
Provider Legal NameMARK D BLOSTEINCredential: M.D.
Location Address3755 CHEMIN DE LA COTE STE CAT, JEWISH GENERAL HOSPITALMontreal, QC H3T1E2
Mailing AddressJewish General Hospital, 3755 Chemin De La Cote Ste CatMontreal, QC H3T1E2 · (514) 340-8207
Phone(514) 340-8207
Sole ProprietorNo
Enumeration DateJune 5, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1730128737 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · HematologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZH0000X
License✔ Licensed in MA · 77099
Definition
A hematopathologist is expert in diseases that affect blood cells, blood clotting mechanisms, bone marrow and lymph nodes. This physician has the knowledge and technical skills essential for the laboratory diagnosis of anemias, leukemias, lymphomas, bleeding disorders and blood clotting disorders.
3755 CHEMIN DE LA COTE STE CAT, Montreal, QC H3T1E
Open in Google Maps ↗

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 Mark Blostein's NPI number?

The NPI number for Mark Blostein is 1730128737. It was assigned to this individual provider in the NPPES registry on June 5, 2006.

Where is Mark Blostein located?

Mark Blostein practices at 3755 Chemin De La Cote Ste Cat Jewish General Hospital, Montreal, QC H3T1E. The listed phone number is (514) 340-8207.

What is Mark Blostein's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Hematology, with taxonomy code 207ZH0000X.

When was this NPI record last updated?

The NPPES record for Mark Blostein 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 22 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.