Summary

Dr. Mary O'Keeffe is a board-certified oncologist who has dedicated two decades to helping patients navigate cancer treatment and care. She earned her medical degree from Ross University School of Medicine and focuses on treating various types of cancer with compassion and expertise. Her bilingual abilities allow her to communicate effectively with patients in both English and Spanish.

Dr. O'Keeffe practices at NYU Langone Hospital Long Island, specifically at the Perlmutter Cancer Center at NYU Langone Hematology Oncology Associates in Mineola, New York. She specializes in treating bladder cancer, kidney cancer, and penile cancer, providing comprehensive care for patients facing these diagnoses. Her approach includes performing essential diagnostic tests such as complete blood counts and white blood cell differentials to monitor patient health throughout treatment. Patients have given her an average rating of 4.0, reflecting their confidence in her care.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4
  • 20 years of experience
  • 5 insurance plans accepted
  • speaks English, Spanish
  • Ross University School Of Medicine
  • 1 written review
  • 2 specialties
  • 11 areas of expertise
  • 1 hospital affiliation
  • 1 office location
  • Female

Patients’ Perspective

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

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Mary K. O'keeffe, MD
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Mary K. O'keeffe, MDDr. Nancy S Green, MDPing Chi, MD, PhDSnehal G. Patel, MD
OncologyOncologyOncologyOncology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
3.8 
20 Years of Experience 43 Years of Experience 23 Years of Experience 41 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English, Spanish Speaks English, Spanish Speaks Chinese, English Speaks English
Mineola , NYNew York , NYNew York , NYNew York , NY
Med School: Ross University School Of Medicine Med School: Columbia University College Of Physicians & Surgeons Med School: Cornell University Medical College Med School: SUNY at Albany
Current Profile
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Insurance Plans Accepted by Mary K. O'keeffe

  • Accepts Medicare
  • Aetna - Medicare
  • Aetna HMO
  • Aetna Indemnity
  • Local 1199 - NYU Hospital Member Choice
  • Local 1199 PPO

Medical Specialties

Mary K. O'keeffe has the following 2 specialties

Specialty Expertise

Mary K. O'keeffe has the following 11 areas of expertise

  • Acute Myeloid Leukemia
  • Blood Cancer
  • Bone Marrow Transplant
  • Cancer
  • Chemotherapy
  • Chronic Myeloid Leukemia
  • Leukemia
  • Lymphoma
  • Myelofibrosis
  • Myeloma
  • Oncologist

Certifications, License, & Education

20 Years Experience

Mary K. O'keeffe holds an expired medical license in the state of New York.

Medical License

Medical Doctor with an expired medical license in the state of New York that expired in 2025.

Education & Training

Medical School

Graduated from Ross University School Of Medicine in 2006.

NPI Number

Mary K. O'keeffe's NPI number is 1881945541.

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Frequently Asked Questions

Is Mary O'keeffe accepting new patients?
Mary O'keeffe is accepting new patients on Vitals. View Mary O'keeffe's profile on Vitals to make an appointment.
What languages does Mary O'keeffe speak?
Mary O'keeffe speaks English and Spanish.
Where is Mary O'keeffe's office located?
Mary O'keeffe's office is located at 120 Mineola Blvd Ste 500, Mineola, NY, 11501.
Which hospitals is Mary O'keeffe affiliated with?
Mary O'keeffe is affiliated with Nyu Langone Hospital Long Island.
Does Mary O'keeffe accept virtual/telehealth appointments?
Mary O'keeffe has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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