Katherine Thornton, M.D.
Medical Oncology Physician · Boston, MA
Katherine Thornton, M.D. is a medical oncology physician with a practice address in Boston, Massachusetts, and NPI 1689609497, issued on Jul 11, 2006. Check the license (Massachusetts 265866, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Katherine Thornton
- Credential
- M.D.
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License numbers
- 265866 MA
D0061711 MD
Self-reported in NPPES; status is on the state search - Practice location
- 450 Brookline Ave, Boston, MA 02215
- Phone
- (617) 632-5204
- Enumerated
- Jul 11, 2006
- Entity
- Type 1 · individual
Also registered at 450 Brookline Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gregory Abel, MDHematology & Oncology Physician1285611954
- Lara Abousamra, PHARMDAmbulatory Care Pharmacist1851183404
- Karley Adams, PAPhysician Assistant1578261764
- Lauren Adams, PA-CPhysician Assistant1902763469
- Ana Aguilar-Bonilla, M.D.Pediatrics Physician1023319761
- Andrew Aguirre, MD, PHDMedical Oncology Physician1609071208
Verify Katherine Thornton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 265866Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Medical Oncology Physician providers in Massachusetts
There are 317 medical oncology physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other medical oncology physician records in Massachusetts
- Janet Abrahm, MDBoston, MA1427024264
- Thomas Abrams, M.D.Boston, MA1184693947
- Jeremy Abramson, MDBoston, MA1740262484
- Jose Acevedo Mejia, M.D.Boston, MA1801277173
- Adeboye Adewoye, M.D.Boston, MA1316920838
- Andrew Aguirre, MD, PHDBoston, MA1609071208
- Inhye Ahn, M.D.Boston, MA1053632984
- Jean Joseph Thierry AlcindorBoston, MA1578281796
- Jill Allen, M.D.Boston, MA1285671453
- Kenneth Anderson, MDBoston, MA1194792671
Common questions
What is Katherine Thornton, M.D.'s NPI number?
Katherine Thornton, M.D.'s National Provider Identifier (NPI) is 1689609497, issued on Jul 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Thornton, M.D. located?
The NPPES record lists a practice address at 450 Brookline Ave, Boston, MA, 02215. Phone: (617) 632-5204. Providers update this record themselves, so call before visiting.
How can I verify Katherine Thornton, M.D.'s license?
NPPES lists Massachusetts license number 265866, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://www.mass.gov/orgs/board-of-registration-in-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.