Pfizer Scholars in Urology Award for leadership, innovation, and outstanding achievement in urological science

January 1999

New York Magazine “Best Doctors in New York"

2005-2011

CASTLE CONNOLLY “Best Doctors in the New York Metro Area”

2001 - 2011

AMERICAN INFERTILITY ASSOCIATION Family Building Award

September 2000

American Board of Urology

February 1996

National Board of Medical Examiners

July 1988

Board of Directors, (Current President 2011- 2012), Society for Male Reproduction and Urology, American Urological Association (AUA)

Member of the Board, American Fertility Association (AFA)

Mount Sinai School of Medicine : Teaching both first and second year medical students. First year Physiology course: male reproductive medicine. Second year: Pathophysiology course: male reproductive medicine, erectile dysfunction, contraception.

Fisch, H., Laor E., Bar-Chama, N., Witkin, S., Tolia B., Reid R.  Detection of Testicular Endocrine Abnormalities and Their Correlation with Serum Antisperm in Men Following Vasectomy.  Journal of Urology, 141:1129-1132, 1989.

Minsky L., Bar-Chama, N., Melman A., Weinberg J. ESWL of Renal and Ureteral Calculi on the Modified HM3 Dornier Lithotripotor. Journal of Urology 145: 268, 1991

Izadyar F, Wong J, Maki C, Pacchiarotti J, Ramos T, Howerton K, Yuen C, Greilach S, Zhao HH, Chow M, Chow YC, Rao J, Barritt J, Bar-Chama N, Copperman AB. Identification and characterization of repopulation speratogonial stem cells from the adult human testis. Hum Reprod. 2011 Jun;26(6): 1296-306

Luna M, Finkler E, Barritt J, Bar-Chama N, Sandler B, Copperman AB, Grunfeld L. Paternal age and assisted reproductive technology outcome in ovum recipients. Fertil Steril. 2009 Nov

Director. The Mount Sinai Sexual Health Program. Treatment of men with erectile dysfunction. Clinical trials for new impotence treatments

Director. The Mount Sinai Male Reproductive Rehabilitation Program. A program dedicated to enhancing the fertility of men with neurological (primarily spinal cord injured) impairments

Director. The Center for Male Reproductive Health Provides a comprehensive approach including in vitro fertilization and ICSI to couples with male factor infertility. Ongoing research to explore new assays to assess sperm quality.

Dr. Natan Bar-Chama Discusses Male Infertility ,

Dr. Natan Bar-Chama Discusses Vasectomy Reversal at RMA of New York,

Residency, Urology

Albert Einstein College of Medicine

1987 - 1993

Fellowship, Male Reproductive Medicine and Surgery

Baylor College of Medicine

1993 - 1994