Benjamin Kann, M.D.
Radiation Oncology Physician · Boston, MA
Benjamin Kann, M.D. is a radiation oncology physician with a practice address in Boston, Massachusetts, and NPI 1710390133, issued on Jun 3, 2014. Check the license (Massachusetts 280564, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Benjamin Kann
- Credential
- M.D.
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 280564 MA
Self-reported in NPPES; status is on the state search - Practice location
- 100 Blossom St, Boston, MA 02114
- Phone
- (617) 726-8651
- Enumerated
- Jun 3, 2014
- Record last updated
- Jan 12, 2026
- Medicare enrollment
- Enrolled (PECOS I20190919003116); accepts Medicare assignment
- Medical or professional school
- Icahn School Of Medicine At Mount Sinai, 2014
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 241 in Massachusetts → Look up another NPI →
Also registered at 100 Blossom St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Roby Bhattacharyya, MD, PHDInternal Medicine Physician1073718672
- Vassiliki Boussiotis, MD PHDHematology & Oncology Physician1861474215
- Paul Busse, PHD MDTherapeutic Radiology Physician1073587291
- George Canellos, MDHematology & Oncology Physician1114908027
- Annie Chan, MDRadiation Oncology Physician1306874169
- Noah Choi, MDTherapeutic Radiology Physician1467434019
Verify Benjamin Kann in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 280564Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average radiation oncology physician in 2024
13 Medicare Part D claims, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.
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
- Brigham And Womens Physicians Organization IncBoston, MA
- Dana-Farber Cancer Institute, Inc.Boston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Benjamin Kann among 241 radiation oncology physician records in Massachusetts
Benjamin Kann, M.D. 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 2014, is newer than 69% of them.
- NPI issued2014 · 69% of these records are older, 28% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2014 · median 2006 among the 172 with a school on file
- Record last updated2026 · 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 Boston → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Annie Chan, MDBoston, MA 021141306874169
- Yen-Lin Chen, MDBoston, MA 021141902842966
- Karen De Amorim Bernstein, M.D.Boston, MA 021141104998764
- Theodore Hong, MDBoston, MA 021141457342917
- Melin Khandekar, M.D., PH.D.Boston, MA 021141174669980
- Ellen Kornmehl, MDBoston, MA 021141740270487
- Norbert Liebsch, MD PHDBoston, MA 021141801887948
- Shannon Macdonald, MDBoston, MA 021141497713853
Common questions
What is Benjamin Kann, M.D.'s NPI number?
Benjamin Kann, M.D.'s National Provider Identifier (NPI) is 1710390133, issued on Jun 3, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Benjamin Kann, M.D. located?
The NPPES record lists a practice address at 100 Blossom St, Boston, MA, 02114. Phone: (617) 726-8651. Providers update this record themselves, so call before visiting.
How can I verify Benjamin Kann, M.D.'s license?
NPPES lists Massachusetts license number 280564, 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 Benjamin Kann, M.D. prescribe under Medicare Part D?
In 2024, Benjamin Kann, M.D. had 13 Medicare Part D claims; 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.