Registry data as of Aug 27, 2026

Ellen Kornmehl, MD

Radiation Oncology Physician · Boston, MA

Ellen Kornmehl, MD is a radiation oncology physician with a practice address in Boston, Massachusetts, and NPI 1740270487, issued on Oct 25, 2005. Check the license (Massachusetts 77524, 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.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1740270487
Name
Ellen Kornmehl
Credential
MD
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License number
77524 MA
Self-reported in NPPES; status is on the state search
Practice location
100 Blossom Street Cox 301, Boston, MA 02114
Phone
(617) 726-6050
Enumerated
Oct 25, 2005
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Ellen Kornmehl 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 77524
    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.

Radiation Oncology Physician providers in Massachusetts

There are 203 radiation oncology physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other radiation oncology physician records in Massachusetts

  1. Anthony Abner, MDCambridge, MA1487629127
  2. Matthew Abrams, M.D.Boston, MA1104189117
  3. Todd Adams, M.D.Medford, MA1972751493
  4. Jenna Adleman, MDBoston, MA1528613833
  5. Nima Aghdam, M.D.Boston, MA1942696752
  6. Michele Albert, MDBoston, MA1285691972
  7. Brian Alexander, M.D.Boston, MA1275511149
  8. Aaron Allen, MDBoston, MA1396849527
  9. Erik Anderson, M.D. PH.D.Boston, MA1528488269
  10. Joseph Aronovitz, M.D.Boston, MA1316995418

Common questions

What is Ellen Kornmehl, MD's NPI number?

Ellen Kornmehl, MD's National Provider Identifier (NPI) is 1740270487, issued on Oct 25, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Ellen Kornmehl, MD located?

The NPPES record lists a practice address at 100 Blossom Street Cox 301, Boston, MA, 02114. Phone: (617) 726-6050. Providers update this record themselves, so call before visiting.

How can I verify Ellen Kornmehl, MD's license?

NPPES lists Massachusetts license number 77524, 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.