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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. JONATHAN MICHAEL MARRON MD
NPI 1427216753
Pediatrics - Pediatric Hematology-Oncology in Boston, MA

Active since May 22, 2008PECOS Enrolled
450 BROOKLINE AVE, D1109, BOSTON, MA 02215(617) 632-3453 Get Directions Write a Review

NPPES record last updated: July 23, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Jonathan Michael Marron Md NPPES

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

DR. JONATHAN MICHAEL MARRON MD (NPI 1427216753) is an individual pediatric hematology-oncology provider in Boston, Massachusetts, licensed in Massachusetts (250300) and active in the NPI registry since May 2008. He is enrolled in Medicare PECOS and maintains a secondary practice location in Boston.

NPPES Registry Identity

NPI1427216753
Entity TypeIndividualMale
Primary Taxonomy2080P0207X
Provider Legal NameDR. JONATHAN MICHAEL MARRONCredential: MD
Location Address450 BROOKLINE AVE, D1109Boston, MA 02215-5418
Mailing Address450 Brookline Ave, D1109Boston, MA 02215-5418 · (617) 632-3453
Phone(617) 632-3453
Sole ProprietorYes
Enumeration DateMay 22, 2008
Last NPPES UpdateJuly 23, 2026
NPPES CertifiedJuly 23, 2026
✔ NPI 1427216753 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric Hematology-OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0207X
License✔ Licensed in MA · 250300
Definition
A pediatrician trained in the combination of pediatrics, hematology and oncology to recognize and manage pediatric blood disorders and cancerous diseases.
Also ListedPediatricsTaxonomy 208000000X · License 250300 (MA)
450 BROOKLINE AVE, Boston, MA 02215
Open in Google Maps ↗

Secondary Practice Location 1

Location 1300 Longwood AveBoston, MA 02115-5724 · Phone (617) 355-6000

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Jonathan Michael Marron Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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 Jonathan Marron's NPI number?

The NPI number for Jonathan Marron is 1427216753. It was assigned to this individual provider in the NPPES registry on May 22, 2008.

Where is Jonathan Marron located?

Jonathan Marron practices at 450 Brookline Ave D1109, Boston, MA 02215. The listed phone number is (617) 632-3453.

What is Jonathan Marron's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.

Is Jonathan Marron enrolled in Medicare?

Yes. Jonathan Marron is registered in the Medicare PECOS enrollment system.

What insurance does Jonathan Marron accept?

Health plans from Anthem Blue Cross and Blue Shield list Jonathan Marron as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Jonathan Marron was last updated on July 23, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.