JTCC RCCA At Mountainside Medical Center
1 Bay Ave., Ste. 2N
Montclair NJ 07042
Phone: (973) 429-6060
Fax: (973) 680-7845

Patient Portal

Patient Forms

New Patients: For your convenience, please download and complete the New Patient Packet prior to your initial visit.

Existing patients: Please update the following forms annually, or if your have any insurance changes, or changes in your personal information:

Please click here to review our Office Policies.

Cancer Treatment Professionals in Montclair, NJ

Regional Cancer Care Associates at Mountainside Medical Center offers comprehensive cancer treatments and procedures for patients in the Montclair, NJ area. With board-certified medical professionals on staff, as well as the latest technologies and resources on hand, we pride ourselves on our ability to effectively address and confront each patient’s unique needs. Our network also regularly conducts clinical trials on new potential techniques and medications to further ensure our edge in the field of cancer treatment

Specialties at Regional Cancer Care Associates at Mountainside Medical Center include:

  • Oncology
  • Hematology
  • Surgical Gynecologic Oncology
  • And more

In addition, our Mountainside Medical Center is also host to a next-generation sequencing laboratory. This facility, made possible through our partnership with the John Theurer Cancer Center, will perform molecular profiling for patients living with solid tumors or blood cancers to better determine viable therapies to pursue throughout our network.

Contact Us Today

Regional Cancer Care Associates At Mountainside Medical Center is located in Suite 2N at 1 Bay Avenue, Montclair, NJ 07042. Contact us at (973) 429-6060 to schedule an appointment or learn more about our facility online today


Lori Ann Leslie, MD

Dr. Lori Ann Leslie specializes in hematology and medical oncology. Her specific clinical and research interests include non-Hodgkin lymphoma, Hodgkin lymphoma, and chronic lymphocytic leukemia.

Dr. Merieme Klobocista

The scope of her surgical expertise includes both traditional open surgery, as well as minimally invasive surgery. She is a skilled surgeon with advanced robotic capabilities — taking a minimally invasive approach whenever possible. Dr. Klobocista is triple board certified in gynecologic oncology, obstetrics and gynecology and hospice and palliative medicine.

Donna Trauth McNamara, MD

Dr. Donna Trauth McNamara specializes in medical oncology, hematology, and breast cancer, and is board certified in internal medicine and medical oncology. For more than 7 years, she has been treating patients in the New Jersey community. Dr. McNamara is actively involved in breast cancer research. She received her medical degree from Loyola University of Chicago.