NPPES file of Aug 9, 2026

Kevan L. Hartshorn, M.D.

Medical Oncology Physician · Boston, MA

Kevan L. Hartshorn, M.D. is a medical oncology physician with a practice address in Boston, Massachusetts, and NPI 1700862745, issued on Dec 21, 2005. Check the license (Massachusetts 49999, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1700862745
Name
Kevan L. Hartshorn
Credential
M.D.
Primary taxonomy
Medical Oncology Physician 207RX0202X
License number
49999 MA
Self-reported in NPPES; status is on the state search
Practice location
830 Harrison Ave, Boston, MA 02118
Phone
(617) 638-6248
Enumerated
Dec 21, 2005
Record last updated
Sep 26, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(617) 638-5756
Medicaid ID
110064373A MA
Medicare enrollment
Enrolled (PECOS I20050323000472); accepts Medicare assignment
Medical or professional school
Albert Einstein College Of Medicine Of Yeshiva University, 1980
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 830 Harrison Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Shanita Abrahams Malcolm, LCSWClinical Social Worker1679458236
  2. Samantha Ashinoff, MS, CCC-SLPSpeech-Language Pathologist1801579214
  3. Rita Blanchard, M.D.Hematology (Internal Medicine) Physician1295710341
  4. Elizabeth Bowers, NPHospice and Palliative Medicine (Internal Medicine) Physician1477821346
  5. Dina Brauneis, NPFamily Nurse Practitioner1831487065
  6. Mamie Cantor, PA-CPhysician Assistant1548634363

Verify Kevan L. Hartshorn in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 49999    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Bills Medicare through one group practice

  1. Evans Medical Foundation IncBoston, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Medical Oncology Physician providers in Massachusetts

There are 421 medical oncology physician records in Massachusetts.

All 421 in Massachusetts → Every provider in Boston →

Other medical oncology physician records in Massachusetts

  1. Janet Abrahm, MDBoston, MA1427024264
  2. Thomas Abrams, M.D.Boston, MA1184693947
  3. Jeremy Abramson, MDBoston, MA1740262484
  4. Nana Addo-Tabiri, MDBoston, MA1942557079
  5. Adeboye Adewoye, M.D.Boston, MA1316920838
  6. Andrew Aguirre, MD, PHDBoston, MA1609071208
  7. Inhye Ahn, M.D.Boston, MA1053632984
  8. Jean Joseph Thierry AlcindorBoston, MA1578281796
  9. Syed Ali, MDSpringfield, MA1174751267
  10. Jill Allen, M.D.Boston, MA1285671453

Common questions

What is Kevan L. Hartshorn, M.D.'s NPI number?

Kevan L. Hartshorn, M.D.'s National Provider Identifier (NPI) is 1700862745, issued on Dec 21, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Kevan L. Hartshorn, M.D. located?

The NPPES record lists a practice address at 830 Harrison Ave, Boston, MA, 02118. Phone: (617) 638-6248. Providers update this record themselves, so call before visiting.

How can I verify Kevan L. Hartshorn, M.D.'s license?

NPPES lists Massachusetts license number 49999, 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.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.