Summary

Dr. Mary Donnelly is an oncologist and internal medicine physician who has dedicated over five decades to caring for patients with cancer. She earned her medical degree from Case Western Reserve University School of Medicine and brings 52 years of clinical expertise to her practice. Dr. Donnelly is fluent in Spanish and Chinese, allowing her to serve diverse patient populations in their preferred language.

Dr. Donnelly practices at Heywood Hospital and Heywood Oncology in Gardner, Massachusetts. She specializes in treating breast cancer, including complex cases involving cancer recurrence and metastatic disease. Her expertise includes advanced breast imaging procedures such as digital breast tomosynthesis and scintimammography, along with standard mammography screening. Patients have rated Dr. Donnelly 4.8 out of 5 stars, reflecting their confidence in her compassionate and skilled care.

Overview based on verified provider data

Quick Facts

  • 4.8
  • 52 years of experience
  • speaks Spanish, Chinese
  • Case Western Reserve University School Of Medicine
  • 1 written review
  • 2 specialties
  • 6 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 2 office locations
  • Female

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Mary Sheila Donnelly has 2 locations

Heywood Oncology

242 Green StGardner, MA 01440
Mon7:30 am - 4:30 pm
Tue7:30 am - 4:30 pm
Wed7:30 am - 4:30 pm
Thu7:30 am - 4:30 pm
Fri7:30 am - 4:30 pm
SatClosed
SunClosed

Heywood Hospital

242 Green StGardner, MA 01440
Mon8:00 am - 4:00 pm
Tue8:00 am - 4:00 pm
Wed8:00 am - 4:00 pm
Thu8:00 am - 4:00 pm
Fri8:00 am - 4:00 pm
SatClosed
SunClosed

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Dr. Mary Sheila Donnelly, MD
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Dr. Mary Sheila Donnelly, MDDr. Michael Joseph PurcaroDr. Annelie Elizabeth HerrmannDr. Thomas Yi
OncologyDiagnostic RadiologyPediatricsDiagnostic Radiology
4.8 
52 Years of Experience 5 Years of Experience 3 Years of Experience 4 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks Spanish, Chinese
Gardner , MAWorcester , MAWorcester , MAWorcester , MA
Med School: Case Western Reserve University School Of Medicine Med School: University Of Massachusetts Medical School Med School: University Of Michigan Medical School Med School: Warren Alpert Medical School Of Brown University
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Insurance Plans Accepted by Dr. Mary Sheila Donnelly

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. Mary Sheila Donnelly has the following 2 specialties

Specialty Expertise

Dr. Mary Sheila Donnelly has the following 6 areas of expertise

  • Breast Cancer
  • Cancer
  • Cancerous Tumor
  • Chemotherapy
  • Internal Medicine
  • Metastasis

Certifications, License, & Education

52 Years Experience

Dr. Mary Sheila Donnelly holds an active medical license in the state of Massachusetts.

Medical License

Medical Doctor with an active medical license in the state of Massachusetts that expires in 2027.

Education & Training

Medical School

Graduated from Case Western Reserve University School Of Medicine in 1974.

NPI Number

Dr. Donnelly's NPI number is 1942297528.

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Frequently Asked Questions

Where is Dr. Mary Donnelly's office located?
Dr. Mary Donnelly's office is located at 242 Green St, Gardner, MA, 01440.
Is Dr. Mary Donnelly accepting new patients?
Dr. Mary Donnelly has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Which hospitals is Dr. Mary Donnelly affiliated with?
Dr. Mary Donnelly is affiliated with Heywood Hospital.
Does Dr. Mary Donnelly accept my insurance?
You can see the insurance plans that Dr. Mary Donnelly accepts on their Vitals profile.
How can I make an appointment with Dr. Mary Donnelly?
You can find contact information for Dr. Mary Donnelly here on Vitals.

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