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DR. MATTHEW LOWELL MEIZLISH MD, PHD
NPI 1952988263
Internal Medicine - Medical Oncology in Boston, MA

Active since March 24, 2021
450 BROOKLINE AVE, BOSTON, MA 02215(617) 632-3000 Get Directions Write a Review

NPPES record last updated: May 14, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: May 14, 2026, Mar 24, 2021 (2 updates tracked since 2021).

About Dr. Matthew Lowell Meizlish Md, Phd NPPES

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

DR. MATTHEW LOWELL MEIZLISH MD, PHD (NPI 1952988263) is an individual medical oncology provider in Boston, Massachusetts, licensed in Massachusetts (1952988263) and active in the NPI registry since March 2021.

NPPES Registry Identity

NPI1952988263
Entity TypeIndividualMale
Primary Taxonomy207RX0202X
Provider Legal NameDR. MATTHEW LOWELL MEIZLISHCredential: MD, PHD
Location Address450 BROOKLINE AVEBoston, MA 02215-5450
Mailing Address337 Western AveCambridge, MA 02139-3747 · (203) 858-1713
Phone(617) 632-3000
Sole ProprietorNo
Enumeration DateMarch 24, 2021
Last NPPES UpdateMay 14, 20262 updates tracked since enumeration
NPPES CertifiedMay 14, 2026
✔ NPI 1952988263 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
License✔ Licensed in MA · 1952988263
Definition
An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.
450 BROOKLINE AVE, Boston, MA 02215
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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.

PRABHSIMRANJOT SINGH MD
Internal Medicine (Hematology & Oncology)
450 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 582-7956
SHAWN MAGUIRE PA-C
Physician Assistant
450 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 582-8487
KARINA FRANCA
Genetic Counselor, MS
450 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (857) 215-2285
DR. SUZANNE JAQUETH FORREST M.D.
Pediatrics (Pediatric Hematology-Oncology)
450 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 632-3270
LAUREN KIRITSY MSW, LCSW
Counselor (Mental Health)
450 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (857) 215-3448
OFIR WOLAJ MD
Internal Medicine (Hematology & Oncology)
450 BROOKLINE AVE, DANA 2058
BOSTON, MA 02215
Suffolk County (617) 632-6139
JASON BATALHA AGPCNP-BC
Nurse Practitioner
450 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 632-6140
FATIMA EMRAN AMIR MS, LGC
Genetic Counselor, MS
450 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 632-3729

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 Matthew Meizlish's NPI number?

The NPI number for Matthew Meizlish is 1952988263. It was assigned to this individual provider in the NPPES registry on March 24, 2021.

Where is Matthew Meizlish located?

Matthew Meizlish practices at 450 Brookline Ave, Boston, MA 02215. The listed phone number is (617) 632-3000.

What is Matthew Meizlish's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

When was this NPI record last updated?

The NPPES record for Matthew Meizlish was last updated on May 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.