DR. CORY D RILLAHAN MD, PHD
NPI 1821557117
Pediatrics - Pediatric Hematology-Oncology in Boston, MA

Active since March 15, 2019PECOS Enrolled
300 LONGWOOD AVE, BOSTON, MA 02115(617) 355-6000 Get Directions Write a Review

NPPES record last updated: May 30, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 30, 2025, Mar 17, 2019 (2 updates tracked since 2019).

About Dr. Cory D Rillahan Md, Phd NPPES

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

DR. CORY D RILLAHAN MD, PHD (NPI 1821557117) is an individual pediatric hematology-oncology provider in Boston, Massachusetts, licensed in Massachusetts (291660) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1821557117
Entity TypeIndividualMale
Primary Taxonomy2080P0207X
Provider Legal NameDR. CORY D RILLAHANCredential: MD, PHD
Location Address300 LONGWOOD AVEBoston, MA 02115-5724
Mailing Address300 Longwood AveBoston, MA 02115-5724 · (617) 355-6000
Sole ProprietorYes
Enumeration DateMarch 15, 2019
Last NPPES UpdateMay 30, 20252 updates tracked since enumeration
NPPES CertifiedMay 30, 2025
NPI 1821557117 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPediatrics · Pediatric Hematology-OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0207X
License Licensed in MA · 291660
Definition
A pediatrician trained in the combination of pediatrics, hematology and oncology to recognize and manage pediatric blood disorders and cancerous diseases.
300 LONGWOOD AVE, Boston, MA 02115

Accepted 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. Cory D Rillahan Md, Phd 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.

Social Worker (Clinical)
300 LONGWOOD AVE
BOSTON, MA 02115
Nurse Practitioner (Psychiatric/Mental Health)
300 LONGWOOD AVE
BOSTON, MA 02115
Anesthesiology (Pediatric Anesthesiology)
300 LONGWOOD AVE
BOSTON, MA 02115
Physical Therapist
300 LONGWOOD AVE
BOSTON, MA 02115
Social Worker (Clinical)
300 LONGWOOD AVE, CHILDREN'S HOSPITAL BOSTON
BOSTON, MA 02115
Pediatrics
300 LONGWOOD AVE, BADER 203
BOSTON, MA 02115
Nurse Practitioner (Pediatrics)
300 LONGWOOD AVE, HUNNEWELL BUILDING 322
BOSTON, MA 02115
Pediatrics (Neonatal-Perinatal Medicine)
300 LONGWOOD AVE
BOSTON, MA 02115

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 Cory Rillahan's NPI number?

The NPI number for Cory Rillahan is 1821557117. It was assigned to this individual provider in the NPPES registry on March 15, 2019.

Where is Cory Rillahan located?

Cory Rillahan practices at 300 Longwood Ave, Boston, MA 02115. The listed phone number is (617) 355-6000.

What is Cory Rillahan's specialty?

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

Is Cory Rillahan enrolled in Medicare?

Yes. Cory Rillahan is registered in the Medicare PECOS enrollment system.

What insurance does Cory Rillahan accept?

Health plans from Anthem Blue Cross and Blue Shield list Cory Rillahan 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 Cory Rillahan was last updated on May 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.