Derek Barrett Chism, MD
Radiation Oncology Physician · Peabody, MA
Derek Barrett Chism, MD is a radiation oncology physician with a practice address in Peabody, Massachusetts, and NPI 1760584130, issued on Sep 5, 2006. Check the license (Massachusetts 220136, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Derek Barrett Chism
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 220136 MA
Self-reported in NPPES; status is on the state search - Practice location
- 17 Centennial Dr Radiation Oncology, Peabody, MA 01960
- Phone
- (978) 977-9400
- Enumerated
- Sep 5, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (978) 538-0341
- Medicare enrollment
- Enrolled (PECOS I20040907001309); accepts Medicare assignment
- Medical or professional school
- Boston University School Of Medicine, 1999
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 241 in Massachusetts → Look up another NPI →
Verify Derek Barrett Chism in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 220136Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.6 times the Medicare Part D claims of the average radiation oncology physician in 2024
347 Medicare Part D claims for 129 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.
Most prescribed
- Tamsulosin Hcl221 claims
- Oxybutynin Chloride Er46 claims
- Pentoxifylline21 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- Massachusetts General Physicians Organization IncDanvers, MA
- The General Hospital CorporationDanvers, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Derek Barrett Chism among 241 radiation oncology physician records in Massachusetts
Derek Barrett Chism, MD is one of 241 radiation oncology physician records with a practice address in Massachusetts. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 14% of them.
- NPI issued2006 · 14% of these records are older, 59% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1999 · median 2006 among the 172 with a school on file
- Record last updated2007 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in Massachusetts
There are 241 radiation oncology physician records in Massachusetts.
All 241 in Massachusetts → Every provider in Peabody → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Songja Choe, MDPeabody, MA 019601134223498
- Walter Sall, MDPeabody, MA 019601376651844
- Eric Weber, MDPeabody, MA 019601225130685
- James McIntyre, MDDanvers, MA 019231033144316
- Daniel Soto, M.D.Danvers, MA 019231982723334
- Cherry ThomasWinchester, MA 018901710385844
- Vinubhai Patel, M.D.Foxboro, MA 020351134133390
- Madeleine Sampson, M.D.Mansfield, MA 020481215044995
Common questions
What is Derek Barrett Chism, MD's NPI number?
Derek Barrett Chism, MD's National Provider Identifier (NPI) is 1760584130, issued on Sep 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Derek Barrett Chism, MD located?
The NPPES record lists a practice address at 17 Centennial Dr Radiation Oncology, Peabody, MA, 01960. Phone: (978) 977-9400. Providers update this record themselves, so call before visiting.
How can I verify Derek Barrett Chism, MD's license?
NPPES lists Massachusetts license number 220136, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Derek Barrett Chism, MD prescribe under Medicare Part D?
In 2024, Derek Barrett Chism, MD had 347 Medicare Part D claims for 129 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.