Summary

Dr. Keith Flaherty is a board-certified oncologist and internal medicine specialist who has dedicated 29 years to fighting cancer and caring for patients with complex medical conditions. He earned his medical degree from Johns Hopkins University School of Medicine, one of the nation's most prestigious medical institutions. Dr. Flaherty brings nearly three decades of expertise to his practice, with particular focus on treating various forms of cancer. He speaks both Spanish and English, allowing him to connect with a diverse patient community.

Dr. Flaherty practices at Massachusetts General Hospital and Mass General Hospital For Children in Boston, Massachusetts, two of the region's leading medical centers. His clinical expertise centers on treating melanoma and ovarian cancer, conditions that require specialized knowledge and compassionate care. He frequently orders complete blood counts and white blood cell differentials to monitor his patients' health and treatment progress. Patients consistently rate Dr. Flaherty's care highly, giving him an average rating of 5.0, reflecting their confidence in his expertise and bedside manner.
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AI-generated from data on this provider profile.

Quick Facts

  • 5
  • 29 years of experience
  • speaks Spanish, English
  • Johns Hopkins University School Of Medicine
  • 2 specialties
  • 11 areas of expertise
  • 2 board certifications
  • 2 hospital affiliations
  • 2 office locations
  • Male

Office Locations

Dr. Keith Thomas Flaherty has 2 locations

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Dr. Keith Thomas Flaherty, MDDr. Ami Saraiya Makwana, MDDr. Jocelyn Reid Farmer, MDDr. John J Oconnor, MD
OncologyDiagnostic RadiologyAllergy & ImmunologyAnesthesiology
Accepts New Patients
29 Years of Experience 13 Years of Experience 13 Years of Experience 21 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks Spanish, English
Boston , MABoston , MABurlington , MASouth Weymouth , MA
Med School: Johns Hopkins University School Of Medicine Med School: Northeast Ohio Medical University Med School: University Of Michigan Medical School Med School: New York Medical College
Current Profile
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Insurance Plans Accepted by Dr. Keith Thomas Flaherty

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

Medical Specialties

Dr. Keith Thomas Flaherty has the following 2 specialties

Specialty Expertise

Dr. Keith Thomas Flaherty has the following 11 areas of expertise

  • Breast Cancer
  • Cancer
  • Cancerous Tumor
  • Chemotherapy
  • Epidemiology
  • Internal Medicine
  • Kidney Cancer
  • Melanoma
  • Metastasis
  • Metastatic Cancer
  • Urogenital Cancer (Genitourinary)

Certifications, License, & Education

29 Years Experience

MEDICAL LICENSE

Medical Doctor, Massachusetts, 2026, Active

EDUCATION & TRAINING

Medical School

Johns Hopkins University School Of MedicineGraduated in 1997

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Frequently Asked Questions

How can I make an appointment with Dr. Keith Flaherty?
You can find contact information for Dr. Keith Flaherty here on Vitals.
Does Dr. Keith Flaherty accept virtual/telehealth appointments?
Dr. Keith Flaherty has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Where is Dr. Keith Flaherty's office located?
Dr. Keith Flaherty's office is located at 55 Fruit St, Boston, MA, 02114.
Which hospitals is Dr. Keith Flaherty affiliated with?
Dr. Keith Flaherty is affiliated with Massachusetts General Hospital and Mass General Hospital For Children.
Does Dr. Keith Flaherty accept my insurance?
You can see the insurance plans that Dr. Keith Flaherty accepts on their Vitals profile.

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