NPPES file of Aug 9, 2026

Priscilla Kaliopi Brastianos, M.D.

Hematology & Oncology Physician · Boston, MA

Priscilla Kaliopi Brastianos, M.D. is a hematology & oncology physician with a practice address in Boston, Massachusetts, and NPI 1508906355, issued on Feb 8, 2007. Check the license (Massachusetts 239294, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1508906355
Name
Priscilla Kaliopi Brastianos
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
239294 MA
Self-reported in NPPES; status is on the state search
Practice location
55 Fruit St, Boston, MA 02114
Phone
(617) 724-4000
Enumerated
Feb 8, 2007
Record last updated
Mar 15, 2012 (not updated in 14 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20110201000049); accepts Medicare assignment
Medical or professional school
Johns Hopkins University School Of Medicine, 2006
Telehealth
Offers telehealth (CMS)
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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Also registered at 55 Fruit St

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

  1. Affan Aamir, MD, PHARMD, RPHStudent in an Organized Health Care Education/Training Program1821890377
  2. Matthew AbadirAnesthesiology Physician1699120550
  3. Taimur AbbasiInternal Medicine Physician1841673522
  4. Megan Abbott, MDAnesthesiology Physician1730839333
  5. Moustafa AbdallaStudent in an Organized Health Care Education/Training Program1952046062
  6. Shadi Abdar Esfahani, MD, MPHDiagnostic Radiology Physician1497137590

Verify Priscilla Kaliopi Brastianos 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 239294
    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

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96% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

35 Medicare Part D claims for 23 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D.

  1. Priscilla Brastianos35
  2. Specialty average877

Most prescribed

  1. Levetiracetam18 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.

Bills Medicare through 2 group practices

  1. Massachusetts General Physicians Organization IncBoston, MA
  2. The General Hospital CorporationBoston, MA

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

Hematology & Oncology Physician providers in Massachusetts

There are 461 hematology & oncology physician records in Massachusetts.

Other hematology & oncology physician records in Massachusetts

  1. Gregory Abel, MDBoston, MA1285611954
  2. Rachel Abelman, MDBoston, MA1255821617
  3. Karim Abou-Nassar, MDBoston, MA1366770745
  4. Inas Abuali, M.D.Boston, MA1952659971
  5. Jose Acevedo Mejia, M.D.Boston, MA1801277173
  6. Maureen Achebe, MD, MPHBoston, MA1407955172
  7. Archana Agarwal, MDSpringfield, MA1548592165
  8. Rasmia Ahmed, MDFramingham, MA1568409936
  9. Hanny Al-Samkari, MDBoston, MA1669765988
  10. Tasneem Ali, M.D.Worcester, MA1629036553

Common questions

What is Priscilla Kaliopi Brastianos, M.D.'s NPI number?

Priscilla Kaliopi Brastianos, M.D.'s National Provider Identifier (NPI) is 1508906355, issued on Feb 8, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Priscilla Kaliopi Brastianos, M.D. located?

The NPPES record lists a practice address at 55 Fruit St, Boston, MA, 02114. Phone: (617) 724-4000. Providers update this record themselves, so call before visiting.

How can I verify Priscilla Kaliopi Brastianos, M.D.'s license?

NPPES lists Massachusetts license number 239294, 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 Priscilla Kaliopi Brastianos, M.D. prescribe under Medicare Part D?

In 2024, Priscilla Kaliopi Brastianos, M.D. had 35 Medicare Part D claims for 23 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.