NPPES file of Aug 9, 2026

Joanna Y. Tansky, M.D. PH.D.

Radiation Oncology Physician · Boston, MA

Joanna Y. Tansky, M.D. PH.D. is a radiation oncology physician with a practice address in Boston, Massachusetts, and NPI 1710208731, issued on Jun 14, 2010. Check the license (Massachusetts 263165, 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
1710208731
Name
Joanna Y. Tansky
Credential
M.D. PH.D.
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License number
263165 MA
Self-reported in NPPES; status is on the state search
Practice location
100 Blossom St, Boston, MA 02114
Phone
(617) 869-2894
Enumerated
Jun 14, 2010
Record last updated
Jun 24, 2015 (not updated in 11 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20150910002405); accepts Medicare assignment
Medical or professional school
Yale University School Of Medicine, 2010
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 100 Blossom St

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

  1. Roby Bhattacharyya, MD, PHDInternal Medicine Physician1073718672
  2. Vassiliki Boussiotis, MD PHDHematology & Oncology Physician1861474215
  3. Paul Busse, PHD MDTherapeutic Radiology Physician1073587291
  4. George Canellos, MDHematology & Oncology Physician1114908027
  5. Annie Chan, MDRadiation Oncology Physician1306874169
  6. Noah Choi, MDTherapeutic Radiology Physician1467434019

Verify Joanna Y. Tansky 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 263165
    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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7% fewer Medicare Part D claims than the average radiation oncology physician in 2024

125 Medicare Part D claims for 67 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. 14 claims were for opioids.

  1. Joanna Tansky125
  2. Specialty average134

Most prescribed

  1. Tamsulosin Hcl39 claims
  2. Oxycodone Hcl11 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 CorporationNewton, MA

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

Joanna Y. Tansky among 241 radiation oncology physician records in Massachusetts

Joanna Y. Tansky, M.D. PH.D. is one of 241 radiation oncology 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 2010, is newer than 58% of them.

  • NPI issued2010 · 58% of these records are older, 38% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2010 · median 2006 among the 172 with a school on file
  • Record last updated2015 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Radiation Oncology Physician providers in Massachusetts

There are 241 radiation oncology physician records in Massachusetts.

The 8 radiation oncology physician records with the nearest ZIP codes

  1. Annie Chan, MDBoston, MA 021141306874169
  2. Yen-Lin Chen, MDBoston, MA 021141902842966
  3. Karen De Amorim Bernstein, M.D.Boston, MA 021141104998764
  4. Theodore Hong, MDBoston, MA 021141457342917
  5. Melin Khandekar, M.D., PH.D.Boston, MA 021141174669980
  6. Ellen Kornmehl, MDBoston, MA 021141740270487
  7. Norbert Liebsch, MD PHDBoston, MA 021141801887948
  8. Shannon Macdonald, MDBoston, MA 021141497713853

Common questions

What is Joanna Y. Tansky, M.D. PH.D.'s NPI number?

Joanna Y. Tansky, M.D. PH.D.'s National Provider Identifier (NPI) is 1710208731, issued on Jun 14, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Joanna Y. Tansky, M.D. PH.D. located?

The NPPES record lists a practice address at 100 Blossom St, Boston, MA, 02114. Phone: (617) 869-2894. Providers update this record themselves, so call before visiting.

How can I verify Joanna Y. Tansky, M.D. PH.D.'s license?

NPPES lists Massachusetts license number 263165, 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 Joanna Y. Tansky, M.D. PH.D. prescribe under Medicare Part D?

In 2024, Joanna Y. Tansky, M.D. PH.D. had 125 Medicare Part D claims for 67 beneficiaries; the average among radiation oncology physician prescribers was 134. 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.