The Largest Kidney Specialist Group in the U.S.

Marc Zelkowitz MD

Each patient who comes to NANI will receive the best care, as an individual. NANI nephrologists and advanced practice clinicians are trained professionals in caring for kidney disease.
doctors discussing details
Hospital Affiliations:
  • CareOne Valley LTACH
  • Englewood Hospital –
    and Medical Center
  • Holy Name Medical Center
  • Pascack Valley Hospital
    Hackensack Meridian Health
Nursing Home Affiliations:
  • Care One Oradell – Skilled Nursing Facility
  • Care One Teaneck – Skilled Nursing Facility
Dialysis Center Affiliations:
  • DaVita Englewood PD
  • DaVita Radburn
  • DaVita Westwood
  • FRESENIUS BERGEN RENAL HOME
  • FRESENIUS Englewood
  • FRESENIUS Fairview
  • FRESENIUS Holy Name Renal Care Center

Background

Medical School
  • Yeshiva University, undergraduate Albert Einstein College of Medicine – medical doctorate
Fellowship
  • Montefiore Medical Center, University of the Albert Einstein College of Medicine – Nephrology fellowship
Certifications
  • Board Certified in Internal Medicine and Nephrology

Offices

Englewood Office
  • 300 Grand Ave., Suite 101, Englewood, NJ 07631
  • Phone: 201-567-5787
  • Fax: 201-567-7652
  • Directions / Map
Westwood Office
  • 250 Old Hook Rd., Suite 303b, Westwood, NJ 07675
  • Phone: 201-567-5787
  • Fax: 201-567-7652
  • Directions / Map

Nephrology Associates of Northern Illinois and Indiana

DoctorTemp- Your Journey, YOur Pace
Your Journey, YOur Pace

We focus on our patients and have the resources to offer them the best in kidney care. It’s all a part of NANI’s scope of excellent care and services.

doctor pointing to a model of a kidney
state-of-the-art services

Services may be in dialysis centers, vascular access surgicenters, nursing homes, hospitals and labs located conveniently to our patients.

DoctorTemp- Your Partners in recovery
Your Partners in recovery

Our doctors care for those with kidney disease, kidney injury, kidney transplant and difficult to control hypertension.