NPPES file of Aug 9, 2026

Joan Tankou

Gynecologic Oncology Physician · Boston, MA

Joan Tankou is a gynecologic oncology physician with a practice address in Boston, Massachusetts, and NPI 1912398744, issued on Feb 16, 2015. Check the license 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
1912398744
Name
Joan Tankou
Primary taxonomy
Gynecologic Oncology Physician 207VX0201X
License number
70814 CT
Self-reported in NPPES; status is on the state search
Practice location
75 Francis St, Boston, MA 02115
Phone
(321) 947-9216
Enumerated
Feb 16, 2015
Record last updated
Jul 26, 2022
Medicare enrollment
Enrolled (PECOS I20220809002184); accepts Medicare assignment
Medical or professional school
Northwestern University Feinberg Medical School, 2015
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 75 Francis St

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

  1. Amin AalipourStudent in an Organized Health Care Education/Training Program1902483258
  2. Emily Aaronson, M.D.Emergency Medicine Physician1962791558
  3. Sarah Abbett, M.D.Anesthesiology Physician1902097736
  4. Christine Abbott, NPAdult Health Nurse Practitioner1851471940
  5. Muhammad Abd-El-Barr, M.D., PH.D.Neurological Surgery Physician1891922688
  6. Duaa AbdelhameidStudent in an Organized Health Care Education/Training Program1851852867

Verify Joan Tankou in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in MedicineCheck 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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3% more Medicare Part D claims than the average gynecologic oncology physician in 2024

200 Medicare Part D claims for 59 beneficiaries, against an average of 195 among the 1,475 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 15 claims were for opioids.

  1. Joan Tankou200
  2. Specialty average195

Most prescribed

  1. Gabapentin23 claims
  2. Dexamethasone20 claims
  3. Ondansetron Hcl20 claims
  4. Prochlorperazine Maleate17 claims
  5. Clobetasol Propionate12 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.

Industry payments in 2024: $127.35

1 payment: food and beverage; the largest payer was Genmab U.S., Inc. The 1,199 providers of this specialty with any payment received $6,387.20 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Joan Tankou$127.35
  2. Specialty average$6,387.20

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Trinity Health OF New England Provider Network Organization IncHartford, CT

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

Joan Tankou among 47 gynecologic oncology physician records in Massachusetts

Joan Tankou is one of 47 gynecologic oncology physician records with a practice address in Massachusetts. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 77% of them.

  • NPI issued2015 · 77% of these records are older, 21% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2015 · median 2008 among the 30 with a school on file
  • Record last updated2022 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VX0201X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gynecologic Oncology Physician providers in Massachusetts

There are 47 gynecologic oncology physician records in Massachusetts.

The 8 gynecologic oncology physician records with the nearest ZIP codes

  1. Ross Berkowitz, MDBoston, MA 021151093772782
  2. Isabela Covelli VelezBoston, MA 021151730760695
  3. Sarah Feldman, MDBoston, MA 021151902853336
  4. Colleen Feltmate, MDBoston, MA 021151538144308
  5. Donald Goldstein, MDBoston, MA 021151689660532
  6. Beryl Manning-GeistBoston, MA 021151992167670
  7. Taymaa May, MD, MSCBoston, MA 021151720390719
  8. Emily Miller, MD, MPHBoston, MA 021151639758659

Common questions

What is Joan Tankou's NPI number?

Joan Tankou's National Provider Identifier (NPI) is 1912398744, issued on Feb 16, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Joan Tankou located?

The NPPES record lists a practice address at 75 Francis St, Boston, MA, 02115. Phone: (321) 947-9216. Providers update this record themselves, so call before visiting.

How can I verify Joan Tankou's license?

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 Joan Tankou prescribe under Medicare Part D?

In 2024, Joan Tankou had 200 Medicare Part D claims for 59 beneficiaries; the average among gynecologic oncology physician prescribers was 195. 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.