Seth A. Kaufman, M.D.
Radiation Oncology Physician · Boston, MA
Seth A. Kaufman, M.D. is a radiation oncology physician with a practice address in Boston, Massachusetts, and NPI 1245277441, issued on May 31, 2006. Check the license (Massachusetts 226435, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Seth A. Kaufman
- Credential
- M.D.
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 226435 MA
Self-reported in NPPES; status is on the state search - Practice location
- 750 Washington Street, Box 359, Boston, MA 02111
- Phone
- (617) 636-6161
- Enumerated
- May 31, 2006
- Record last updated
- Oct 23, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20060727000422); accepts Medicare assignment
- Medical or professional school
- University Of Connecticut School Of Medicine, 2001
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 241 in Massachusetts → Look up another NPI →
Verify Seth A. Kaufman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 226435Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% fewer Medicare Part D claims than the average radiation oncology physician in 2024
66 Medicare Part D claims for 45 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.
Most prescribed
- Memantine Hcl12 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.
Industry payments in 2024: $1,881.65
12 payments; by number, the most common kind was food and beverage; the largest payer was Elekta, Inc. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Pioneer Valley Radiation Oncology PCSpringfield, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Seth A. Kaufman among 241 radiation oncology physician records in Massachusetts
Seth A. Kaufman, 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 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
- Graduated2001 · median 2006 among the 172 with a school on file
- Record last updated2015 · 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
- Brett Diamond, MDBoston, MA 021111619437340
- Kathryn Huber, M.D., PH.D.Boston, MA 021111922211655
- David Mayhew, M.D.Boston, MA 021111659630978
- John Mignano, M.DBoston, MA 021111477519643
- Matthew ThoonkuzhyBoston, MA 021111407597719
- Theodore Hong, MDBoston, MA 021141457342917
- Ellen Kornmehl, MDBoston, MA 021141740270487
- Norbert Liebsch, MD PHDBoston, MA 021141801887948
Common questions
What is Seth A. Kaufman, M.D.'s NPI number?
Seth A. Kaufman, M.D.'s National Provider Identifier (NPI) is 1245277441, issued on May 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Seth A. Kaufman, M.D. located?
The NPPES record lists a practice address at 750 Washington Street, Box 359, Boston, MA, 02111. Phone: (617) 636-6161. Providers update this record themselves, so call before visiting.
How can I verify Seth A. Kaufman, M.D.'s license?
NPPES lists Massachusetts license number 226435, 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 Seth A. Kaufman, M.D. prescribe under Medicare Part D?
In 2024, Seth A. Kaufman, M.D. had 66 Medicare Part D claims for 45 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.