All of the physicians at the Medical Institute of New Jersey are board-certified in their respective fields.
Family Medicine Specialists, Pediatricians and Geriatricians
Alan S. Gellerstein, MD
Board Certified: Family Medicine (American Board of Family Medicine)
Specialty: Family Medicine & Musculoskeletal Medicine
Medical Education: Eastern Virginia Medical School
James V. Gibbions, Jr., MD
Board Certified: Family Medicine
Specialty: Family Medicine
Medical Education: UMDNJ
Ira P. Monka, DO, MHA, FACOFP
Chairman: Family Medicine (American Osteopathic Board of Family medicine)
Trustee, UMDNJ Health Policy Fellowship
Board Certified: Family Medicine
Specialty: Family Medicine
Medical Education: UMDNJ
Ilene M. Moss, DO, FAAP
Board Certification: Pediatrics (American Board of Pediatrics)
Specialty: Pediatrics
Medical Education: University of New England College of Osteopathic Medicine

Timothy C O'Herron, MD
Specialty: Family Medicine
Medical Education: SUNY Upstate Medical University
Residency: Overlook Medical Center

Meghan Pillai, MD
Specialty: Family Medicine
Medical Education: Trinity School of Medicine
Residency: Morristown Medical Center
Nerlande Joasil, APN
Board Certified: Family Nurse Practitioner (American Nurses Credentialing Center)
Specialty: Family Medicine
Medical Education: UMDNJ
Molly Lawrence, APN
Board Certified: Gerontological Nurse Practitioner (American Nurses Credentialing Center)
Specialty: Family Medicine; Geriatric Medicine
Medical Education: University of Southern Maine; Michigan State College of Nursing
Cardiologists and Endovascular Medicine Specialists
Leonard J. Moss, DO, FACC, FACP
Chairman: Cardiology
Board Certified: Cardiovascular Disease, Nuclear Cardiology, Internal Medicine
Specialty: Cardiology
Medical Education: University of New England College of Osteopathic Medicine
Amber Mason, APN
Board Certified: Adult Gerontology (American Academy of Nurse Practitioners)
Specialty: Cardiology
Medical Education: Fairleigh Dickenson University
Our physicians see patients at Morristown Medical Center. They are affiliated with Atlantic Medical Group and are participating providers of the Atlantic Accountable Care Organization.

Medical Institute of New Jersey Location
FAX Family medicine, pediatrics, geriatrics: 973-267-3478; Cardiology: 973-267-4434