NPPES file of Aug 9, 2026

Julie-Aurore Losman, M.D., PH.D.

Hematology (Internal Medicine) Physician · Boston, MA

Julie-Aurore Losman, M.D., PH.D. is a hematology (internal medicine) physician with a practice address in Boston, Massachusetts, and NPI 1720151954, issued on Nov 16, 2006. Check the license (Massachusetts 230517, 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
1720151954
Name
Julie-Aurore Losman
Credential
M.D., PH.D.
Primary taxonomy
Hematology (Internal Medicine) Physician 207RH0000X
License number
230517 MA
Self-reported in NPPES; status is on the state search
Practice location
Dana-Farber Cancer Institute, Boston, MA 02115
Phone
(617) 632-4610
Enumerated
Nov 16, 2006
Record last updated
Feb 4, 2010 (not updated in 16 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20100308000609); accepts Medicare assignment
Medical or professional school
Columbia University College Of Physicians And Surgeons, 2003
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.
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8 nearest hematology (internal medicine) physician records → All 117 in Massachusetts → Look up another NPI →

Verify Julie-Aurore Losman 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 230517    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.

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Bills Medicare through 2 group practices

  1. Brigham And Womens Physicians Organization IncBoston, MA
  2. 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).

Julie-Aurore Losman among 117 hematology (internal medicine) physician records in Massachusetts

Julie-Aurore Losman, M.D., PH.D. is one of 117 hematology (internal medicine) 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 10% of them.

  • NPI issued2006 · 10% of these records are older, 50% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2003 · median 2006 among the 77 with a school on file
  • Record last updated2010 · 43% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology (Internal Medicine) Physician providers in Massachusetts

There are 117 hematology (internal medicine) physician records in Massachusetts.

All 117 in Massachusetts → Every provider in Boston → Hematology (Internal Medicine) Physician nationwide →

The 8 hematology (internal medicine) physician records with the nearest ZIP codes

  1. Elisabeth Battinelli, M.D.Boston, MA 021151356492011
  2. Edward Benz, MDBoston, MA 021151629069075
  3. Barbara Bierer, MDBoston, MA 021151285642298
  4. Jennifer Brown, MD PHDBoston, MA 021151457328163
  5. Nathan Connell, MD, MPHBoston, MA 021151245432467
  6. Jean Connors, MDBoston, MA 021151902915275
  7. James Cunningham, MDBoston, MA 021151225126352
  8. Corey Cutler, M.D.Boston, MA 021151699736686

Common questions

What is Julie-Aurore Losman, M.D., PH.D.'s NPI number?

Julie-Aurore Losman, M.D., PH.D.'s National Provider Identifier (NPI) is 1720151954, issued on Nov 16, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Julie-Aurore Losman, M.D., PH.D. located?

The NPPES record lists a practice address at Dana-Farber Cancer Institute, Boston, MA, 02115. Phone: (617) 632-4610. Providers update this record themselves, so call before visiting.

How can I verify Julie-Aurore Losman, M.D., PH.D.'s license?

NPPES lists Massachusetts license number 230517, 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.