DEREK BARRETT CHISM MD
NPI 1760584130
Radiology - Radiation Oncology in Peabody, MA
About Derek Barrett Chism Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DEREK BARRETT CHISM MD (NPI 1760584130) is an individual radiation oncology provider in Peabody, Massachusetts, licensed in Massachusetts (220136) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with North Shore Medical Center -, and is a graduate of Boston University School Of Medicine (1999).
NPPES Registry Identity
Specialties & Licenses
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
Derek Barrett Chism 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.
Medicare Billing Reassignments
2Medicare enrollment records show Derek Chism reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts and New Hampshire enrollments
- 6,360 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,234 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 21
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 3
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, MAWentworth-Douglass Hospital
Acute Care Hospitals · Dover, NHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01960 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Derek Chism's NPI number?
The NPI number for Derek Chism is 1760584130. It was assigned to this individual provider in the NPPES registry on September 5, 2006.
Where is Derek Chism located?
Derek Chism practices at 17 Centennial Dr Radiation Oncology, Peabody, MA 01960. The listed phone number is (978) 977-9400.
What is Derek Chism's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.
Is Derek Chism enrolled in Medicare?
Yes. Derek Chism 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 organizations bill Medicare for Derek Chism's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Derek Chism reassigns Medicare benefits to 2 organizations: Massachusetts General Physicians Organization Inc (Boston, MA) and The General Hospital Corporation (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 Derek Chism's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Derek Chism accept?
Health plans from Taro Health list Derek Chism 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 Derek Chism affiliated with any hospitals?
According to CMS data, Derek Chism is affiliated with North Shore Medical Center -, Massachusetts General Hospital and Wentworth-Douglass Hospital.
When was this NPI record last updated?
The NPPES record for Derek Chism was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.