DR. JAMES MARK CLEARY MD/PHD
NPI 1922062397
Internal Medicine - Medical Oncology in Boston, MA
About Dr. James Mark Cleary Md/phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JAMES MARK CLEARY MD/PHD (NPI 1922062397) is an individual medical oncology provider in Boston, Massachusetts, licensed in Massachusetts (226742) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, is affiliated with Beth Israel Deaconess Medical Center, and is a graduate of Albert Einstein College Of Medicine Of Yeshiva University (2003).
NPPES Registry Identity
Specialties & Licenses 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. James Mark Cleary Md/phd 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.
Medicare Billing Reassignment
Medicare enrollment records show James Cleary reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- Also billed through NPI 1346433257 (Massachusetts)
- 1,026 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.
Areas of Expertise CMS Part B claims 6
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Beth Israel Deaconess Medical Center
Acute Care Hospitals · Boston, MABrigham And Women's Hospital
Acute Care Hospitals · Boston, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02115 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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 02115
BOSTON, MA 02115
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 James Cleary's NPI number?
The NPI number for James Cleary is 1922062397. It was assigned to this individual provider in the NPPES registry on April 13, 2006.
Where is James Cleary located?
James Cleary practices at 44 Binney St Dana-Farber Cancer Institute, Boston, MA 02115. The listed phone number is (617) 632-3000.
What is James Cleary's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.
Is James Cleary enrolled in Medicare?
Yes. James Cleary 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.
Which organization bills Medicare for James Cleary's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Cleary reassigns Medicare benefits to Dana-Farber Cancer Institute, Inc. (Boston, MA). The 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 Cleary's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does James Cleary accept?
Health plans from Anthem Blue Cross and Blue Shield and Taro Health list James Cleary 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 James Cleary affiliated with any hospitals?
According to CMS data, James Cleary is affiliated with Beth Israel Deaconess Medical Center and Brigham And Women's Hospital.
When was this NPI record last updated?
The NPPES record for James Cleary was last updated on February 17, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.