NPPES file of Aug 9, 2026

M. Sheila Donnelly, M.D.

Medical Oncology Physician · Gardner, MA

M. Sheila Donnelly, M.D. is a medical oncology physician with a practice address in Gardner, Massachusetts, and NPI 1942297528, issued on Sep 29, 2005. Check the license (Massachusetts 41136, 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
1942297528
Name
M. Sheila Donnelly
Credential
M.D.
Primary taxonomy
Medical Oncology Physician 207RX0202X
License number
41136 MA
Self-reported in NPPES; status is on the state search
Practice location
242 Green St, Gardner, MA 01440
Phone
(978) 630-6457
Enumerated
Sep 29, 2005
Record last updated
Jul 13, 2026
Fax
(978) 630-6158
Medicaid ID
0119334 MA
Medicare enrollment
Enrolled (PECOS I20050829000436); accepts Medicare assignment
Medical or professional school
Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, 1974
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 242 Green St

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

  1. Nithya Agrawal, MD., MS., MPHInternal Medicine Physician1982811212
  2. Jane Allard, RNRegistered Nurse1003470493
  3. Amber Bertrand, PHARMDPharmacist1013835537
  4. Catherine Biliouris, MS, RD, LDN, CDERegistered Dietitian1235260142
  5. Taylor Boudreau, CNPNurse Practitioner1437502630
  6. Susanna Casey, NPNurse Practitioner1225106040

Verify M. Sheila Donnelly 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 41136
    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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25% fewer Medicare Part D claims than the average medical oncology physician in 2024

530 Medicare Part D claims for 111 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.

  1. M. Donnelly530
  2. Specialty average703

Most prescribed

  1. Letrozole184 claims
  2. Ibrance55 claims
  3. Tamoxifen Citrate46 claims
  4. Prochlorperazine Maleate21 claims
  5. Dexamethasone20 claims
  6. Anastrozole15 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: $34,672.21

33 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, Inc. The 3,343 providers of this specialty with any payment received $11,773.47 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. M. Donnelly$34,672
  2. Specialty average$11,773

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. Henry Heywood Memorial HospitalGardner, MA

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

M. Sheila Donnelly among 421 medical oncology physician records in Massachusetts

M. Sheila Donnelly, M.D. is one of 421 medical oncology physician records with a practice address in Massachusetts. 76% 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, 90% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated1974 · median 2007 among the 291 with a school on file
  • Record last updated2026 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Medical Oncology Physician providers in Massachusetts

There are 421 medical oncology physician records in Massachusetts.

The 8 medical oncology physician records with the nearest ZIP codes

  1. Daniel Lee, M.D., PHDWorcester, MA 016051023175593
  2. James O'Shea, M.D.Worcester, MA 016081962564153
  3. James Liebmann, MDWorcester, MA 016551477556587
  4. Donald Higby, M.D.Springfield, MA 011991215923800
  5. John Krikorian, M.D.Framingham, MA 017021104851286
  6. Jack Leitner, MDFramingham, MA 017021205975067
  7. Vivek Samnotra, MDFramingham, MA 017021285665935
  8. Kimberly Brennan, D.O.Concord, MA 017421487838744

Common questions

What is M. Sheila Donnelly, M.D.'s NPI number?

M. Sheila Donnelly, M.D.'s National Provider Identifier (NPI) is 1942297528, issued on Sep 29, 2005. An NPI identifies a provider in billing; it is not a license.

Where is M. Sheila Donnelly, M.D. located?

The NPPES record lists a practice address at 242 Green St, Gardner, MA, 01440. Phone: (978) 630-6457. Providers update this record themselves, so call before visiting.

How can I verify M. Sheila Donnelly, M.D.'s license?

NPPES lists Massachusetts license number 41136, 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 M. Sheila Donnelly, M.D. prescribe under Medicare Part D?

In 2024, M. Sheila Donnelly, M.D. had 530 Medicare Part D claims for 111 beneficiaries; the average among medical oncology physician prescribers was 703. 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.