NPPES file of Aug 9, 2026

Sara Michell Tolaney, MD

Hematology & Oncology Physician · Boston, MA

Sara Michell Tolaney, MD is a hematology & oncology physician with a practice address in Boston, Massachusetts, and NPI 1962487330, issued on Dec 8, 2005. Check the license (Massachusetts 223936, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1962487330
Name
Sara Michell Tolaney
Credential
MD
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
223936 MA
Self-reported in NPPES; status is on the state search
Practice location
55 Fruit Street Yaw 7604, Boston, MA 02114
Phone
(617) 726-2782
Enumerated
Dec 8, 2005
Record last updated
Jul 13, 2026
Medicare enrollment
Enrolled (PECOS I20080730000645); accepts Medicare assignment
Medical or professional school
University Of California, San Francisco School Of Medicine, 2002
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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Verify Sara Michell Tolaney 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 223936
    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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88% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

105 Medicare Part D claims for 29 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 34% of claims.

  1. Sara Tolaney105
  2. Specialty average877

Most prescribed

  1. Letrozole14 claims
  2. Verzenio14 claims
  3. Ibrance12 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 86.3 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score69.4
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $184,230.73

100 payments; by number, the most common kind was consulting fee; the largest payer was Pfizer Inc. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Sara Tolaney$184,231
  2. Specialty average$7,481

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. 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).

Sara Michell Tolaney among 461 hematology & oncology physician records in Massachusetts

Sara Michell Tolaney, MD is one of 461 hematology & oncology physician records with a practice address in Massachusetts. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 86% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2002 · median 2004 among the 303 with a school on file
  • Record last updated2026 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in Massachusetts

There are 461 hematology & oncology physician records in Massachusetts.

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Vassiliki Boussiotis, MD PHDBoston, MA 021141861474215
  2. Marcia Browne, MDBoston, MA 021141639146210
  3. George Canellos, MDBoston, MA 021141114908027
  4. Yi-Bin Chen, MDBoston, MA 021141356332639
  5. John ClarkBoston, MA 021141871550244
  6. Lauren Dias, MDBoston, MA 021141215928346
  7. Kira Gritsman, MDBoston, MA 021141174598148
  8. David HarmonBoston, MA 021141851358352

Common questions

What is Sara Michell Tolaney, MD's NPI number?

Sara Michell Tolaney, MD's National Provider Identifier (NPI) is 1962487330, issued on Dec 8, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Sara Michell Tolaney, MD located?

The NPPES record lists a practice address at 55 Fruit Street Yaw 7604, Boston, MA, 02114. Phone: (617) 726-2782. Providers update this record themselves, so call before visiting.

How can I verify Sara Michell Tolaney, MD's license?

NPPES lists Massachusetts license number 223936, 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 Sara Michell Tolaney, MD prescribe under Medicare Part D?

In 2024, Sara Michell Tolaney, MD had 105 Medicare Part D claims for 29 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.

What is Sara Michell Tolaney, MD's MIPS final score?

The 2023 MIPS final score is 86.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.