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GMB Hematology & Oncology

A Healthier You Starts Here

Meet Dr. Dixon

About GMB

GMB Hematology & Oncology is a medical practice that specializes in the care of patients with blood disorders and/or cancer. Our practitioners work closely with expertly trained staff to offer compassionate, comprehensive, cutting edge care.


We administer chemotherapy, immunotherapy, and non chemotherapeutic infusion therapy (iron, biologics, IVIG, osteoporosis medications) on site.  

Seth Benkel, MD

Seth Benkel, MD is the physician owner of GMB Hematology and Oncology and the Chief of Hematology at Good Samaritan Hospital. He is board certified in Hematology and Oncology and has been practicing in Rockland County since 2006.

Seth Benkel, M.D.

Our Services

Our office has been serving Rockland County and its surrounding regions for over twenty years. Our office is a state of the art facility that is proud to offer a diverse array of services, comforts, and conveniences including:

  • Administration of chemotherapy, immunotherapy and other intravenous infusions on-site.

  • Expertise in the use and administration of growth factors to minimize fatigue and infections during therapy.

  • Expertise in maximizing our patients quality of life.

  • An on-site drawing station and laboratory.

  • A strong affiliation with the premiere regional hospital, Good Samaritan Hospital, and a relationship with neighboring nursing homes and rehabilitation facilities.

  • Privileges at Helen Hayes Rehabilitation facility.

  • Physicians available to answer any of your questions 24 hours a day / 365 days a year.

  • Flexible scheduling.

  • Conscientious bilingual office staff.

  • Handicap accessibility.

We accept all major insurance plans, including:

Medicare Oncology
Aetna Hematology
Emblem Health Oncology
New City Oncology
Fidelis Care Hematology Office
Contact us

Hours of Operation

Monday             9:30 am-2:00 pm
Tuesday             9:30 am-5:30 pm
Wednesday     9:30 am-5:30 pm
Thursday          10:00 am-6:00 pm
Friday                 9:30 am-3:00 pm
Saturday           Closed
Sunday               Closed


After office hours and on weekends/holidays we are available for medical related questions at 845-634-2727.

Cancellation Policy: If you are unable to keep your appointment please give us 24 hours notice.


All billing questions can be directed towards our billing department.

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