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Our Medical Advisory Board is a highly educated knowledge base which Nussentials leverages to formulate our wonderful products. The Board is comprised of individuals from diverse fields and specialties in healthcare so a broad range of expertise influences our product line.

Ronald Lee Rubin

Boca Raton, Florida

Jacqueline Vance

Ellicott City, Maryland

Jonathan Musher

Chevy Chase, Maryland

W Reggie Sigmon

Hickory, North Carolina

Steve Siciliano

Hickory, North Carolina

Ronald Lee Rubin, DMD

Oral & Maxillofacial Surgeon | Oral Facial Implant Center Of Boca Raton, P A


  • Undergraduate Education

    University of Maryland B.S. Psychology.

  • Postgraduate Education

    Howard University Dental School, D.M.D.

    Tufts University
    New England Medical Center Hospital, Boston City Hospital;
    Fellowship in Head and Neck Cancer Surgery;
    Research in H & N Radiation Therapy The Effects of Cobalt 60 and 15 Mev Electron Irradiation on Extraction Wound Healing.
    Residency and Chief Resident in Oral and Maxillofacial Surgery.

  • Professional Practice

    Moved to Florida to begin Private Practice in Boca Raton, Florida in 1977.
    Past President of the South Palm Beach County Dental Association.
    Prior service as a Delegate for the Florida Dental Association.
    Has served on the Medical Staff, Division of Surgery of 4 local Hospitals.
    Founding Member of the Advisory Board of the Florida Atlantic University Medical School.
    Numerous articles in professional journals, published in USA and International Journals.


  • Oral Cancer Society Fellowship; Washington, DC, 1970.
  • Two week externship to the Sloan-Kettering Memorial Cancer Hospital, New York City.
  • Howard University College of Dentistry Dean's List from second semester of first year until graduation.
  • Alpha Omega Women's Auxiliary Research Award, 1971.
  • American Cancer Society Fellowship, 1972-1973.
  • Who's Who in Massachusetts, 1974.


  • Tau Epsilon Phi University of Maryland
  • Alpha Omega International Dental Fraternity
  • Omicron Kappa Upsilon National Dental Honorary Fraternity


  • Atlantic Coast District Dental Association
  • American Society of Oral and Maxillofacial Surgery
  • Florida Society of Oral and Maxillofacial Surgery
  • Florida Dental Association
  • American Board of Oral and Maxillofacial Surgery
  • South Palm Beach County Dental Association
  • American College of Oral Implantology
  • International Congress of Oral Implantologists
  • American Society of Osseointegration


  • International Association of Dental Research, Forty-ninth General Session; Chicago IL; 1971.
    An Experimental Evaluation of Cer-Vit Material for Dental Implants in Dogs.
  • Ontario Society of Oral Surgery; Toronto, Ontario; 1975.
    Mandibular Vestibuloplasty with Fenestrated Palatal Mucosal Graft.
  • Academy of Dentistry, Toronto Winter Clinic; Toronto, Ontario; 1976.
    Clinician Detection, Diagnosis and Treatment of Oral Cancer.
  • Boca Raton Community Hospital, Department of Surgery; Boca Raton, FL; 1979.
    Multiple Facial Deformities.
  • Basic Cardiopulmonary Resuscitation; Instructor

Jacqueline Vance, RNC, CDONA

Director of Clinical Affairs and Industry Relations for a National Medical Association.

Ms. Vance, a board certified Gerontological Registered Nurse and a certified Director of Nursing in long-term care, is Director of Clinical Affairs and Industry Relations for a national medical association. She is currently on the Board of Trustees of a the National Transitions of Care Coalition and is a legal nurse consultant. Ms Vance is a recipient of several national awards, including the National Nurse Administrator of the Year Award/Long-Term Care (2002). She is actively involved in her mission to improve the quality of care that seniors receive throughout the nation.

Ms. Vance is a national speaker on educational topics focused on improving care for the elderly, and has authored multiple articles, publications and manuals on that theme, including chapters in 2 medical legal books. She is on the editorial advisory boards of 3 geriatric publications.

Ms. Vance is considered a thought leader or geriatric and long term care. She is involved with many national health care stakeholder committees and is an often requested technical advisory panel member for the Centers of Medicare & Medicaid services.

Jonathan Musher, MD, CMD

Family Practitioner and Fellowship-trained Geriatrician | Private Practice

Dr. Musher is a family practitioner and a fellowship-trained geriatrician. He is a diplomat of the American Board of Pain Management as well as a charter Certified Medical Director through the American Medical Director's Association. Dr. Musher is currently in private practice in Chevy Chase, Maryland. Prior to establishing his private practice Dr Musher served for 10 years as the Vice President of Medical affairs for Beverly Healthcare, the largest nursing home company in the world. Dr Musher received his medical degree from the University of Bologna School of Medicine in Bologna, Italy and completed his residency training at a Cornell affiliate in New York City.

Dr. Musher is President of Metropolitan Physicians' Practice and is actively involved in family medicine and geriatrics. Dr. Musher has over 25 years of clinical hands-on medical experience. His expertise spans the spectrum of acute care and long-term care services, from inpatient and ambulatory care through home and hospice care to skilled nursing care. He has published and lectured extensively in the areas of Geriatrics, Long Term Care, and Medical Direction. Dr. Musher is a Past President of the American Medical Directors Association (AMDA), Immediate Past Chair of the AMDA Foundation, a member of the AMDA Public Policy Committee, and was a recent delegate to the White House Conference on Aging. He is a member of several Medical Boards and Committees and was a member of the National Assisted Living Task Force. Dr Musher also participated on the Obama Healthcare transition team Washington DC workgroup and was recently named Top Doctor by The Washingtonian Magazine and one of America's Top Family Doctors by the Consumer Research Council of America. Dr Musher has participated and consulted on various committees and task forces as well as given testimony to Congress on issues related to health care and long term care medicine.

W. Reggie Sigmon, MD

Board Certified Radiation Oncologist | Private Practice

Dr. Sigmon is board certified in Radiation Oncology. He is President of Hickory Radiation Oncology in Hickory, North Carolina. He is Medical Director of Radiation Oncology at Frye Regional Medical Center in Hickory and Chairman of the Cancer Committee at Catawba Valley Medical Center, also in Hickory. Dr. Sigmon has worked in private practice the past 21 years.

Dr. Sigmon is a member of ASTRO and the North Carolina Medical Society. He is a member and past president of Catawba County Medical Society.

Dr. Sigmon graduated Magna Cum Laude from Wake Forest University in 1983. He received his MD Degree from the University of North Carolina at Chapel Hill in 1987. Dr. Sigmon completed an internship in Internal Medicine in 1988 and a residency in Radiation Oncology in 1991, both at North Carolina Baptist Hospital / Wake Forest University.

Steve Siciliano, MD

Surgeon | Private Practice

Dr. Siciliano has been in private practice in Hickory, North Carolina for twenty years. He is board certified in both General Surgery and Plastic Surgery, and is a partner at the Hickory Plastic Surgery Center.

Dr. Siciliano is a member of the American Society of Plastic Surgeons, the North Carolina Medical Society, and the Catawba County Medical Society.

After receiving his undergraduate degree from The Citadel, Dr Siciliano graduated from the Medical University of South Carolina in 1986 and was elected to the Alpha Omega Alpha Medical Honor Society. He then completed residencies in General Surgery and Plastic Surgery, both at the Medical University of South Carolina, before entering private practice.

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