Summary

Dr. William Hahn is an oncologist and internal medicine specialist who has dedicated over three decades to cancer care and comprehensive internal medicine. He earned his medical degree from Harvard Medical School and completed his residency at Brigham & Women's Hospital, establishing a strong foundation in both oncology and internal medicine. With 32 years of clinical experience, Dr. Hahn brings extensive knowledge to his practice. He is fluent in Chinese, Spanish, French, and English, allowing him to communicate effectively with diverse patient populations.

Dr. Hahn maintains affiliations with several prestigious Boston institutions, including Brigham and Women's Hospital, Beth Israel Deaconess Medical Center, and Beth Israel Deaconess Medical Center West Campus. His practice locations include the Dana Farber Cancer Institute and Brigham and Women's Hospital, both in Boston, MA. Patients consistently rate his care highly, giving him an average rating of 4.7 out of 5 stars. His dual expertise in oncology and internal medicine enables him to provide comprehensive care for cancer patients while also addressing their broader health needs.
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Overview based on verified provider data

Quick Facts

  • 4.7
  • 32 years of experience
  • speaks Chinese, Spanish, French, English
  • Brigham & Womens Hospital
  • 2 specialties
  • 11 areas of expertise
  • 3 hospital affiliations
  • 2 office locations
  • Male

Patients’ Perspective

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

Office Locations

Dr. William Chun Hahn has 2 locations

Dana Farber Cancer Institute

450 Brookline AveBoston, MA 02215
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Brigham And Womens Hospital

75 Francis StBoston, MA 02115

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Dr. William Chun Hahn, MDDr. Robert John Macmillan, MDDr. Mary Ann Valliere, MDDr. Robert David Arbeit, MD
OncologyPreventative MedicineInfectious DiseaseInfectious Disease
4.7 
32 Years of Experience 50 Years of Experience 37 Years of Experience 54 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks Chinese, Spanish, French, English
Boston , MAQuincy , MAWorcester , MAWest Newton , MA
Med School: Harvard Medical School Med School: Universita Degli Studi Di Bologna Scuola Di Medicina E Chirurgia Med School: University Of Massachusetts Medical School Med School: Yale University School Of Medicine
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Insurance Plans Accepted by Dr. William Chun Hahn

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

Medical Specialties

Dr. William Chun Hahn has the following 2 specialties

Specialty Expertise

Dr. William Chun Hahn has the following 11 areas of expertise

  • Breast Cancer
  • Cancer
  • Cancerous Tumor
  • Chemotherapy
  • Internal Medicine
  • Metastasis
  • Metastatic Breast Cancer
  • Mouth Cancer
  • Prostate Cancer (Prostatic Neoplasm)
  • Squamous Cell Carcinoma
  • Urogenital Cancer (Genitourinary)

Certifications, License, & Education

32 Years Experience

Dr. William Chun Hahn 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

Residency

Completed their residency at Brigham & Womens Hospital.

Medical School

Graduated from Harvard Medical School in 1994.

NPI Number

Dr. Hahn's NPI number is 1457313652.

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Frequently Asked Questions

Does Dr. William Hahn accept my insurance?
You can see the insurance plans that Dr. William Hahn accepts on their Vitals profile.
What languages does Dr. William Hahn speak?
Dr. William Hahn speaks Chinese, Spanish, French, and English.
Where is Dr. William Hahn's office located?
Dr. William Hahn's office is located at 450 Brookline Ave, Boston, MA, 02215.
How can I make an appointment with Dr. William Hahn?
You can find contact information for Dr. William Hahn here on Vitals.
Which hospitals is Dr. William Hahn affiliated with?
Dr. William Hahn is affiliated with Brigham And Womens Hospital, Beth Israel Deaconess Medical Center West Campus, and BETH ISRAEL DEACONESS MEDICAL CENTER.

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