<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}-- Sergey Kalitenko, M.D. provides internal medicine in Brooklyn, NY. Sergey Kalitenko, M.D. is listed as an internist, which is a physician who studies Internal Medicine for adults. Bioidentical hormone replacement therapy is a keystone of his practice. Doctor Kalitenko completed his medical residency in Brooklyn, NY, and was Board Certified in Internal Medicine and became a staff physician at a a teaching hospital to care for critically ill patients to save their lives and use his experience to educate other doctors. In the United States, he found the best medicine in the world with ample opportunity to expand his knowledge and care for patients.