HALEY ELLIS MD
NPI 1972098820
Internal Medicine - Medical Oncology in Boston, MA
About Haley Ellis Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HALEY ELLIS MD (NPI 1972098820) is an individual medical oncology provider in Boston, Massachusetts, licensed in Massachusetts (NA) and active in the NPI registry since June 2018. She is enrolled in Medicare PECOS, is affiliated with North Shore Medical Center -, and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses
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 and accepts Medicare assignment
Haley Ellis Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
North Shore Medical Center -
Acute Care Hospitals · Salem, MAMassachusetts General Hospital
Acute Care Hospitals · Boston, MANewton-Wellesley Hospital
Acute Care Hospitals · Newton, MABrigham And Women's Hospital
Acute Care Hospitals · Boston, MAWentworth-Douglass Hospital
Acute Care Hospitals · Dover, NHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02114 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
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 Haley Ellis's NPI number?
The NPI number for Haley Ellis is 1972098820. It was assigned to this individual provider in the NPPES registry on June 24, 2018.
Where is Haley Ellis located?
Haley Ellis practices at 55 Fruit St, Boston, MA 02114. The listed phone number is (617) 724-4000.
What is Haley Ellis's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.
Is Haley Ellis enrolled in Medicare?
Yes. Haley Ellis is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
What insurance does Haley Ellis accept?
Health plans from Anthem Blue Cross and Blue Shield list Haley Ellis 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.
Is Haley Ellis affiliated with any hospitals?
According to CMS data, Haley Ellis is affiliated with North Shore Medical Center -, Massachusetts General Hospital, Newton-Wellesley Hospital, Brigham And Women's Hospital and Wentworth-Douglass Hospital.
When was this NPI record last updated?
The NPPES record for Haley Ellis was last updated on February 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Haley Ellis, MD · NPI 1972098820
Medical Oncology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since June 24, 2018.
## Identity
- **NPI:** 1972098820 (Entity type: Individual)
- **Enumerated:** June 24, 2018
- **Primary specialty:** Internal Medicine - Medical Oncology · taxonomy 207RX0202X
- **State license:** NA (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 55 FRUIT ST, Boston, MA 02114-2696
- **Phone:** (617) 724-4000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** February 3, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1972098820) · Data from the CMS NPPES public registry.