Welcome to the Practice of
Dr. Marc Mandel

Dr. Mandel prides himself in considering each of his patient’s individual needs to tailor their treatment. He works with a caring and attentive staff who assist him in this process. Dr. Mandel has been performing oncologic and general surgery for over 32 years and uses the most up to date methods. As a breast surgeon, Dr. Mandel relies on a unique undergraduate dual degree in both science and studio art. This experience, along with his formative training while at Yale’s Department of Surgery is especially suited to breast surgery where the surgeon effectively removes cancers while providing the best possible oncoplastic (cosmetic) result. As an abdominal surgeon, Dr. Mandel approaches cases with education that is based in both minimally invasive (laparoscopic) as well as traditional (open) techniques. This offers the patient who requires complex procedures an advantage as the doctor can make use of both concepts to optimize outcomes. Dr. Mandel’s knowledge and experience, as well as his compassionate demeanor will provide you with comfort and confidence during your surgical care.

Dr. Mandel has been in practice for 30 years at Overlook Medical Center (recently name day top 50 Hospital by Health Grades) in Summit, New Jersey where he is the Cancer Liaison to the American College of Surgeons.  He has been honored at the American Cancer Society’s Diamond Ball for his lifetime commitment to cancer patients in the area.  Dr. Mandel is part of the Carol G. Simon Cancer Center/Atlantic Care team and is the surgical representative to its Breast Leadership Program.  Dr. Mandel is the Medical Director of Community Oncology Development at Overlook.  He is excited to participate in extending the outstanding care and treatment rendered at overlook to an even larger area (now in Clark) to help even more people in the greater community.  Dr. Mandel’s office is on campus at OMC and additionally, he sees patients in the new Atlantic Health Systems facility at Clark North Pavilion.  Dr. Mandel operates solely at Overlook Medical Center.

Dr. Mandel is directly affiliated with Atlantic Health system, so that his patients care can be more efficiently cared for and have the power of a comprehensive medical center available to them.  Dr. Mandel will have all patient’s test results and Doctor reports that were done through Atlantic and its affiliates at his finger tips through Epic, electronic medical records, for each appointment.

Dr. Mandel performs a wide variety of general and oncologic surgical and procedures including:

  • Advanced oncologic and oncoplastic surgery of the Breast (breast cancer)
  • Oncologic surgery of many abdominal organs including:  Stomach, duodenum, small and large intestine, pancreas, spleen
  • Para-oncologic surgeries eg. lymph node biopsies, porta-caths
  • Excision of benign and malignant skin and soft tissue masses
  • Both elective and urgent procedures of the abdomen for benign issues such as for cholecystitis, appendicitis, diverticulitis, bowel obstructions and gastrointestinal perforations
  • Simple and complex hernias and abdominal wall reconstruction

  • Dr. Mandel may choose to perform Breast Ultrasound and Ultrasound Guided Breast Biopsies as an adjunct to his exam in his office during clinic.

(If a procedure is not listed here, please inquire via the office.)

The Doctor sees patients by appointment in his office in the MAC II building adjacent to the Medical Center and does his best to make himself available on non-clinic days and off hours for urgent and special consultations when required. Dr. Mandel is now also seeing patients at the Atlantic Health Systems facility, Clark North Pavilion on Central Avenue.

The office is open five days a week from 8am to 4pm. All major insurance plans are accepted. Dr. Mandel’s professional office staff is available to provide you with a warm and personal experience each step of the way from scheduling, to insurance pre-certifications as well as to answer your questions before and after your procedure.

Dr. Mandel is now seeing new patients at the comprehensive Atlantic Health Facility, Clark North Pavilion. It is adjacent to the Walgreens on Central Avenue on the Westfield Clark border and has full breast imaging capabilities as well as urgent care, physical therapy and other specialty services.

140 Central Ave.
Clark, NJ

Click To Navigate To the Atlantic Health System Clark-North Pavilion
TeleMed appointments are available when appropriate
Please inquire when you make your appointment. In some cases we will screen you with a TeleMed appointment and then determine whether or not it is something that would be best for you to be seen in person. We are practicing all the appropriate precautions in our office during the COVID-19 crisis. If you have any concerns please ask the staff.

In an age when Doctors and patients are losing their individuality, I along with my team in the office, Lisa, Gina and Grace, strive to make each of our patients’ journeys to health tailored to their own unique needs and therefore, a very personal experience.