Physician — Oncology & Hematology

M. Rashid Abbasi, M.D.

Board certified in Oncology, Hematology, and Internal Medicine with over 35 years of experience — trained at Albert Einstein College of Medicine and Montefiore Medical Center, leading OHSNJ's research department and clinical trials program.

M. Rashid Abbasi, M.D. — Oncology & Hematology Specialists, Mountain Lakes NJ
36+ Years of experience
4.6 Patient rating (Healthgrades, 15 reviews)
4.5 Patient rating (WebMD, 19 reviews)
EN · ES · UR Languages spoken

About this physician

About Dr. Abbasi

Dr. Muhammad Rashid Abbasi is a board-certified hematologist and medical oncologist at Oncology & Hematology Specialists, P.A. He earned his medical degree from Dow Medical College in Karachi and completed residency in Internal Medicine at Jacobi Medical Center through the Albert Einstein College of Medicine, followed by fellowship training in Hematology & Medical Oncology at Montefiore Medical Center.

Following his fellowship, Dr. Abbasi served as Assistant Professor of Medicine at Jacobi Medical Center and on faculty at Montefiore Medical Center, where he also chaired the Quality Assurance Program. He brings deep expertise in treating a broad range of malignancies and hematologic disorders, with research interests including lymphoma, chronic lymphocytic leukemia, and CNS lymphoma.

Dr. Abbasi leads the research department at OHSNJ, where multiple clinical trials are conducted and made available to patients. Compassion is central to his approach — he takes the time to explain options thoroughly and help patients and families make informed decisions. He has lectured at various institutions, received teaching honors including Morristown Medical Center Teaching Attending of the Year, and maintains an enthusiasm for educating fellows, residents, and medical students.

Dr. Abbasi sees patients at OHSNJ's Mountain Lakes office and rounds at the Carol G. Simon Cancer Center (Morristown Memorial Hospital) and at Saint Clare's Hospital, Denville and Dover campuses. He speaks English, Spanish, and Urdu.

Training

Education & Training

1990

Medical Degree (M.D.)

Dow Medical College, Karachi

1993–1996

Residency — Internal Medicine

Jacobi Medical Center · Albert Einstein College of Medicine, Bronx, NY

1996–1999

Fellowship — Hematology & Medical Oncology

Montefiore Medical Center · Albert Einstein College of Medicine, Bronx, NY

Credentials

Board Certifications & Licensure

  • Medical Oncology American Board of Internal Medicine (ABIM)
  • Hematology American Board of Internal Medicine (ABIM)
  • Internal Medicine American Board of Internal Medicine (ABIM)
  • New Jersey Medical License Active · NPI 1245349638

Affiliations

Hospital Affiliations

  • Morristown Medical Center Atlantic Health System · Morristown, NJ
  • Saint Clare's Denville Hospital Denville, NJ
  • Saint Clare's Dover Hospital Dover, NJ

Clinical focus

Areas of Focus

  • Lymphoma & Non-Hodgkin Lymphoma
  • Chronic Lymphocytic Leukemia (CLL)
  • CNS Lymphoma
  • Breast Cancer
  • Clinical Trials & Research
  • Hematologic Blood Disorders
  • Broad-Spectrum Medical Oncology
  • Infusion Therapy & Chemotherapy
  • Patient-Centered Treatment Planning

Patient feedback

What Patients Say

"Dr. Abbasi eliminates the fear through his extraordinary compassion, knowledge, and state-of-the-art care. He connects with his patients and takes all the time needed to answer questions, address concerns, and thoroughly explain any options."

— Patient review, Healthgrades (breast cancer care)

"I count myself so very blessed and grateful to have been under Dr. Abbasi's care over this past year. He's simply the best!"

— Patient review, Healthgrades

"What I appreciate most about Dr. Abbasi is that he treats me like a person and not just another patient or number. He listens to my concerns, answers questions, and makes recommendations to help me make my decision."

— Patient review, Healthgrades

Reach OHSNJ today

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OHSNJ office: 333 Route 46 West, Mountain Lakes, New Jersey 07046