JAMES J MORROW
NPI 1952806598
Pediatrics - Pediatric Hematology-Oncology in Boston, MA

Active since March 26, 2018PECOS Enrolled
450 BROOKLINE AVE, BOSTON, MA 02215(617) 632-3000 Get Directions Write a Review

NPPES record last updated: May 13, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 13, 2024, Mar 26, 2018 (2 updates tracked since 2018).

About James J Morrow NPPES

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

JAMES J MORROW (NPI 1952806598) is an individual pediatric hematology-oncology provider in Boston, Massachusetts, licensed in Massachusetts (1015260) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS and maintains a secondary practice location in Boston.

NPPES Registry Identity

NPI1952806598
Entity TypeIndividualMale
Primary Taxonomy2080P0207X
Provider Legal NameJAMES J MORROW
Location Address450 BROOKLINE AVEBoston, MA 02215-5418
Mailing Address450 Brookline AveBoston, MA 02215-5418
Sole ProprietorYes
Enumeration DateMarch 26, 2018
Last NPPES UpdateMay 13, 20242 updates tracked since enumeration
NPPES CertifiedMay 13, 2024
✔ NPI 1952806598 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 · 1015260
Definition
A pediatrician trained in the combination of pediatrics, hematology and oncology to recognize and manage pediatric blood disorders and cancerous diseases.
450 BROOKLINE AVE, Boston, MA 02215

Secondary Practice Location 1

Location 1300 Longwood AveBoston, MA 02115-5724 · Phone (617) 355-8241

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

James J Morrow 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.

Medicare Billing Reassignments

2

Medicare enrollment records show James Morrow reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

General Acute Care Hospital
450 BROOKLINE AVE
Boston, MA 02215
  • Reassigned Medicare billing, Massachusetts enrollment
  • 1,026 clinicians in this Medicare group
Pediatrics
300 LONGWOOD AVE
Boston, MA 02115
  • Reassigned Medicare billing, Massachusetts enrollment
  • 1,358 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

Internal Medicine (Hematology & Oncology)
450 BROOKLINE AVE
BOSTON, MA 02215
Physician Assistant
450 BROOKLINE AVE
BOSTON, MA 02215
Genetic Counselor, MS
450 BROOKLINE AVE
BOSTON, MA 02215
Pediatrics (Pediatric Hematology-Oncology)
450 BROOKLINE AVE
BOSTON, MA 02215
Counselor (Mental Health)
450 BROOKLINE AVE
BOSTON, MA 02215
Internal Medicine (Hematology & Oncology)
450 BROOKLINE AVE, DANA 2058
BOSTON, MA 02215
Nurse Practitioner
450 BROOKLINE AVE
BOSTON, MA 02215
Genetic Counselor, MS
450 BROOKLINE AVE
BOSTON, MA 02215

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 James Morrow's NPI number?

The NPI number for James Morrow is 1952806598. It was assigned to this individual provider in the NPPES registry on March 26, 2018.

Where is James Morrow located?

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

What is James Morrow's specialty?

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

Is James Morrow enrolled in Medicare?

Yes. James Morrow is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for James Morrow's services?

According to the CMS Revalidation Reassignment List (October 2026 release), James Morrow reassigns Medicare benefits to 2 organizations: Dana-Farber Cancer Institute, Inc. (Boston, MA) and Children's Hospital Pediatric Associates, Inc (Boston, MA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for James Morrow's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does James Morrow accept?

Health plans from Anthem Blue Cross and Blue Shield and Taro Health list James Morrow 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 James Morrow was last updated on May 13, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.