N
Nabi, FaisalAssistant Professor of Medicine, Courtesy Staff, The Methodist Hospital.
B.A. 1995, University of Texas, Austin; M.D. 2000, Texas Tech University, Health Sciences Center, School of Medicine.
Nachman, Ralph L.Lewis Thomas University Professor, Professor of Medicine, Attending Physician, NewYork-Presbyterian Hospital.
A.B. 1953, Vanderbilt University; M.D. 1956, Vanderbilt University School of Medicine.
http://www.cornellphysicians.com/rnachmanNadroo, Ali MohdAssistant Professor of Clinical Pediatrics, Attending Pediatrician, New York Methodist Hospital.
M.B.,B.S. 1978, Government Medical College, Kashmir University (India).
Nady-Mohamed, Nady E.Assistant Professor of Obstetrics and Gynecology.
M.B.,Ch.B. 1982, University of Alexandria, Faculty of Medicine (Egypt).
Nagaraj, AnasuyaAssistant Professor of Clinical Pediatrics, Attending Pediatrician, Lincoln Medical and Mental Health Center.
M.B.,B.S. 1965, Government Medical College, Mysore University (India).
Nagarajan, ViswanathanAssistant Professor of Clinical Medicine, Attending Physician, New York Methodist Hospital.
M.B.,B.S. 1985, Madurai University Medical College (India).
Nagel, Doris B.Clinical Associate Professor of Psychiatry.
B.A. 1957, Cornell University; M.D. 1964, Boston University School of Medicine.
Nagler, JerryClinical Assistant Professor of Medicine, Assistant Attending Physician, NewYork-Presbyterian Hospital.
B.A. 1969, Columbia University; M.D. 1973, Yale University School of Medicine.
Nagler, WillibaldProfessor Emeritus of Rehabilitation Medicine.
M.D. 1958, University of Vienna Faculty of Medicine (Austria).
http://www.cornellphysicians.com/willibaldnaglerNagueh, Sherif F.Professor of Medicine, Courtesy Staff, The Methodist Hospital.
M.B.,B.Ch. 1986, Cairo University Faculty of Medicine (Egypt).
Nahle, ZaherAssistant Professor of Biochemistry in Cardiothoracic Surgery, Assistant Professor of Biochemistry.
B.Sc. 1995, American University of Beirut (Lebanon); Ph.D. 2003, State University of New York at Stony Brook.
Naidu, Nina S.Clinical Assistant Professor of Surgery (Plastic Surgery), Assistant Attending Surgeon (Plastic Surgery), NewYork-Presbyterian
Hospital.
B.A. 1993, The Johns Hopkins University; M.D. 1997, Cornell University Medical College.
Naik-Tolani, SujataClinical Assistant Professor of Medicine, Assistant Attending Physician, The Brooklyn Hospital Center.
M.B.,B.S. 1984, University of Bombay, Seth G.S. Medical College (India); M.S. 1988, University of Bombay (India).
Najeeb, Kesavath ParambilAssistant Professor of Clinical Pediatrics, Specialist, Hamad Medical Corporation.
M.B.,B.S. 1994, JJM Medical College, Rajiv Gandhi University of Health Sciences (India); M.D. 2000, JJM Medical College, Rajiv
Gandhi University of Health Sciences (India); D.C.H. 2004, Royal College of Paediatrics and Child Health (United Kingdom).
Naka, YoshufumiAdjunct Assistant Professor of Cardiothoracic Surgery, Assistant Attending Cardiothoracic Surgeon, NewYork-Presbyterian Hospital,
Assistant Professor of Surgery, Columbia University College of Physicians and Surgeons.
M.D. 1984, Osaka University Medical School (Japan); Ph.D. 1988, Osaka University Medical School (Japan).
Nalbandian, Harout I.Instructor in Surgery, Attending Surgeon, New York Community Hospital of Brooklyn.
M.D. 1971, Yerevan State Medical Institute (Armenia).
Nambudiri, Draupathi EaswaranClinical Assistant Professor of Psychiatry, Assistant Attending Psychiatrist, NewYork-Presbyterian Hospital.
M.B.,B.S. 1979, Kottayam Medical College, Kerala University (India).
Nanus, David MichaelMark W. Pasmantier Professor of Hematology and Oncology in Medicine, Professor of Medicine, Professor of Urology, Attending
Physician, NewYork-Presbyterian Hospital.
B.S. 1978, University of Illinois at Urbana-Champaign; M.D. 1982, Chicago Medical School, Rosalind Franklin University of
Medicine and Science.
http://www.cornellphysicians.com/dnanusNaoum, Joseph J.Assistant Professor of Cardiothoracic Surgery, Provisional Staff, The Methodist Hospital.
B.E. 1994, Vanderbilt University; M.D. 1998, Vanderbilt University School of Medicine.
Naples, Joseph J.Professor of Clinical Anesthesiology, Active Staff, The Methodist Hospital.
B.A. 1965, Youngstown State University; M.D. 1969, St. Louis University School of Medicine.
Naqi, Syed A.Professor of Microbiology and Immunology (Education).
M.S. 1967, Texas A&M University; Ph.D. 1969, Texas A&M University.
Naqvi, Syed HasanClinical Assistant Professor of Neurology (Courtesy), Assistant Attending Neurologist, NewYork-Presbyterian Hospital.
B.S. 1972, University of Karachi (Pakistan); M.S. 1981, Long Island University; M.D. 1993, University of Groningen, Faculty
of Medicine (Netherlands).
http://www.cornellphysicians.com/shn2009Narasimhan, ParthasarathyClinical Assistant Professor of Medicine, Attending Physician, La Guardia Hospital.
A.B. 1952, Madras University (India); M.B.,B.S. 1956, Madras Medical College, University of Madras (India).
Narayanan, SheshadiAdjunct Clinical Professor of Pathology and Laboratory Medicine.
B.S. 1953, University of Bombay (India); M.S. 1966, University of Bombay (India); Ph.D. 1971, New York Medical College.
Narula, PramodProfessor of Clinical Pediatrics, Attending Pediatrician, New York Methodist Hospital.
M.B.,B.S. 1981, Maulana Azad Medical College, Delhi University (India); M.D. 1981, University College of Medical Sciences,
Delhi University (India).
Nasab, Abdul Rasoul HashemiAssistant Professor of Clinical Pediatrics, Attending Pediatrician, Lincoln Medical and Mental Health Center.
M.D. 1960, Shiraz Medical School (Iran).
Nash, Garrett MichaelAssistant Professor of Surgery, Assistant Attending Surgeon, Memorial Sloan-Kettering Cancer Center.
A.B. 1994, Brown University; M.D. 1998, Columbia University College of Physicians and Surgeons.
Nash, Laurie ClaireClinical Instructor in Medicine, Assistant Attending Physician, NewYork-Presbyterian Hospital.
B.S. 1981, Tufts University; M.D. 1990, Columbia University College of Physicians and Surgeons.
Nash, Thomas WilliamClinical Assistant Professor of Medicine, Assistant Attending Physician, NewYork-Presbyterian Hospital.
B.A. 1974, Swarthmore College; M.D. 1978, New York University School of Medicine.
Nassar, George M.Clinical Associate Professor of Medicine, Active Staff, The Methodist Hospital.
B.S. 1984, American University of Beirut (Lebanon); M.D. 1988, American University of Beirut Faculty of Medicine (Lebanon).
Natarajan, Sam N.Clinical Instructor in Medicine.
M.B.,B.S. 1965, Stanley Medical College, Dr M.G.R Medical University (India).
Natelson, Ethan AllenAssociate Professor of Clinical Medicine, Active Staff, The Methodist Hospital.
B.S. 1962, Haverford College; M.D. 1966, Baylor College of Medicine.
Nathan, CarlR.A. Rees Pritchett Professor of Microbiology, Professor of Microbiology and Immunology, Professor of Medicine.
B.A. 1967, Harvard University; M.D. 1972, Harvard Medical School.
http://www.med.cornell.edu/research/cnathanNayak, Asha D.Clinical Assistant Professor of Medicine, Assistant Attending Physician, New York Methodist Hospital.
M.B.,B.S. 1971, University of Bombay, Seth G.S. Medical College (India).
Nayak, Devdutt V.Clinical Associate Professor of Psychiatry, Attending Psychiatrist, New York Methodist Hospital.
M.B.,B.S. 1969, University of Bombay, Seth G.S. Medical College (India); M.D. 1972, University of Bombay, Seth G.S. Medical
College (India).
Nazir, AhsanClinical Instructor in Medicine, Attending Physician, Coler-Goldwater Hospital.
B.Sc. 1985, Government College of Women (Pakistan); M.B.,B.S. 1990, Rawalpindi Medical College (Pakistan).
Nealon, Nancy M.Assistant Professor of Clinical Neurology, Assistant Professor of Clinical Medicine, Assistant Attending Neurologist, NewYork-Presbyterian
Hospital, Assistant Attending Physician, NewYork-Presbyterian Hospital.
B.A. 1971, Manhattanville College; M.D. 1975, Pennsylvania State University College of Medicine.
Nebgen, Denise R.Clinical Assistant Professor of Obstetrics and Gynecology, Active Staff, The Methodist Hospital.
D.D.S. 1988, University of Texas Health Science Center, San Antonio; Ph.D. 1995, Northwestern University; M.D. 1997, Northwestern
University Medical School.
Needleman, Joshua P.Associate Professor of Clinical Pediatrics, Associate Attending Pediatrician, NewYork-Presbyterian Hospital.
B.A. 1987, University of Pennsylvania; M.D. 1991, Temple University School of Medicine.
Neelakantappa, Kotresh H.Clinical Assistant Professor of Medicine, Attending Physician, New York Methodist Hospital.
M.B.,B.S. 1969, Government Medical College, Nagpur University (India).
Nehal, Kishwer SultanaAssociate Professor of Dermatology, Associate Attending Dermatologist, Memorial Sloan-Kettering Cancer Center.
B.A. 1988, Boston University; M.D. 1992, Boston University School of Medicine.
Nejat, Robert J.Clinical Instructor in Urology, Assistant Attending Urologist, NewYork-Presbyterian Hospital.
B.A. 1991, New York University; M.D. 1995, Weill Cornell Medical College, Cornell University.
Nelson, Christian JonAssistant Professor of Psychology in Psychiatry, Assistant Attending Psychologist, Memorial Sloan-Kettering Cancer Center.
B.A. 1990, University of Minnesota; M.A. 1992, University of Minnesota; M.A. 2001, Long Island University, Brooklyn Center;
Ph.D. 2003, Long Island University, Brooklyn Center.
Nelson, Deena J.Clinical Assistant Professor of Medicine, Assistant Attending Physician, NewYork-Presbyterian Hospital.
B.A. 1973, Yale University; M.D. 1977, Albert Einstein College of Medicine of Yeshiva University.
Nersessian, EdwardClinical Professor of Psychiatry, Attending Psychiatrist, NewYork-Presbyterian Hospital.
M.D. 1970, Catholic University of Louvain, Faculty of Medicine (Belgium).
Nestor, Bryan J.Associate Professor of Clinical Orthopaedic Surgery, Associate Attending Orthopaedic Surgeon, NewYork-Presbyterian Hospital.
B.A. 1981, Gonzaga University; M.D. 1985, Georgetown University School of Medicine.
http://www.cornellphysicians.com/bjnestorNetscher, David T.Adjunct Professor of Clinical Surgery (Plastic Surgery), Courtesy Staff, The Methodist Hospital.
B.S. 1973, University of Witwatersrand (South Africa); M.B.,B.Ch. 1977, University of Witwatersrand Faculty of Health Sciences
(South Africa).
Neugarten, Jay M.Clinical Instructor in Surgery (Dentistry, Oral and Maxillofacial Surgery), Assistant Attending Oral and Maxillofacial Surgeon,
NewYork-Presbyterian Hospital.
B.S. 1991, Boston University; D.D.S. 1995, Columbia University School of Dental and Oral Surgery; M.D. 1998, State University
of New York at Stony Brook, School of Medicine.
Neumann, KarlClinical Associate Professor of Pediatrics.
B.A. 1953, Syracuse University; M.D. 1958, State University of New York Health Science Center at Brooklyn.
Nevins, Christopher Lloyd BristowClinical Assistant Professor of Medicine, Courtesy Staff, The Methodist Hospital.
B.S. 1989, Millsaps College; M.D. 1993, Emory University School of Medicine.
Newman, Barney D.Clinical Assistant Professor of Medicine.
B.A. 1972, Pennsylvania State University; M.D. 1977, Pennsylvania State University College of Medicine.
Newman-Cedar, Meryl FernClinical Instructor in Pediatrics, Assistant Attending Pediatrician, NewYork-Presbyterian Hospital.
B.A. 1974, Brandeis University; M.D. 1981, State University of New York Health Science Center at Brooklyn.
Ng, Gan XonAssistant Professor of Clinical Medicine, Assistant Attending Physician, Memorial Sloan-Kettering Cancer Center.
B.S. 1995, Boston University College of Engineering; M.D. 1999, Boston University School of Medicine.
Ng, KamanInstructor in Clinical Medicine, Attending Physician, New York Hospital Medical Center of Queens.
M.D. 1996, Mount Sinai School of Medicine.
Ng, Kenneth K.Assistant Professor of Clinical Medicine, Assistant Attending Physician, Memorial Sloan-Kettering Cancer Center.
B.S. 1990, City University of New York; M.D. 1992, State University of New York at Buffalo, School of Medicine and Biomedical
Sciences.
Ngeow, Jeffrey Y.F.Clinical Associate Professor of Anesthesiology, Associate Attending Anesthesiologist, Hospital for Special Surgery.
B.S. 1968, University of London (United Kingdom); M.B.,Ch.B. 1971, University College School of Medicine (United Kingdom).
Ngo, Thu HuyAssistant Professor of Clinical Pathology and Laboratory Medicine, Courtesy Staff, The Methodist Hospital.
B.S. 1985, Rice University; M.D. 1995, Baylor College of Medicine.
Nguyen, LawrenceAssistant Professor of Rehabilitation Medicine, Active Staff, The Methodist Hospital.
B.S. 1997, Texas A&M University; M.D. 2001, University of Texas Southwestern Medical School.
Nguyen, Thanh DangAssistant Professor of Physics in Radiology.
M.S. 1995, Technical University of Budapest (Hungary); Ph.D. 1999, Auburn University.
http://www.med.cornell.edu/research/tdnguyenNguyen, Thuyen T.Instructor in Clinical Medicine, Provisional Staff, The Methodist Hospital.
B.S. 2000, University of Houston; M.D. 2004, University of Texas Medical School at Galveston.
Nibu, YutakaAssistant Professor of Cell and Developmental Biology.
B.S. 1990, University of Tsukuba (Japan); M.S. 1992, University of Tsukuba (Japan); Ph.D. 1995, University of Tsukuba (Japan).
http://www.med.cornell.edu/research/ynibuNiceta, Piero O.Clinical Assistant Professor of Urology, Assistant Attending Urologist, NewYork-Presbyterian Hospital.
M.D. 1958, University of Milan Faculty of Medicine and Surgery (Italy).
Nichols, Jeffrey NormanClinical Assistant Professor of Medicine, Assistant Attending Physician, NewYork-Presbyterian Hospital.
A.B. 1968, Columbia College; M.D. 1976, Cornell University Medical College.
Nicholson, Andrew C.Associate Research Professor of Comparative Pathology and Laboratory Medicine.
B.S. 1973, Michigan State University; D.V.M. 1976, Michigan State University; Ph.D. 1992, Cornell University.
Nicholson, John Perry, Jr.Clinical Associate Professor of Medicine, Associate Attending Physician, NewYork-Presbyterian Hospital.
B.A. 1972, Brown University; M.D. 1978, University of Cincinnati College of Medicine; M.B.A. 1983, New York University.
Nicholson, Susan C.Assistant Professor of Pharmacology (Courtesy), Assistant Professor of Medicine (Courtesy).
B.A. 1984, University of Pennsylvania; M.D. 1992, University of Pittsburgh School of Medicine.
Nicolae, MonaClinical Instructor in Psychiatry, Assistant Attending Psychiatrist, NewYork-Presbyterian Hospital.
M.D. 1992, University of Medicine and Pharmacy (Romania).
Nicoleau, AryelClinical Instructor in Medicine, Attending Physician, New York Hospital Medical Center of Queens.
M.D. 1978, University of Brussels, Faculty of Medicine (Belgium).
Nicoleau, Carl AndreClinical Instructor in Medicine, Attending Physician, New York Hospital Medical Center of Queens.
B.A. 1973, State University of New York at Stony Brook; M.A. 1982, City University of New York; Ph.D. 1985, Yeshiva University;
M.D. 1988, Albert Einstein College of Medicine of Yeshiva University.
Niesvizky, RubenAssociate Professor of Medicine, Associate Attending Physician, NewYork-Presbyterian Hospital.
M.D. 1985, National Autonomous University of Mexico, Faculty of Medicine (Mexico).
http://www.cornellphysicians.com/rubenniesvizkyNieto, Jaime H.Clinical Assistant Professor of Neurological Surgery, Attending Neurological Surgeon, New York Hospital Medical Center of
Queens.
B.S. 1991, Mercy College; M.D. 1996, State University of New York Health Science Center at Syracuse.
Nimer, Stephen DavidProfessor of Medicine, Attending Physician, Memorial Sloan-Kettering Cancer Center.
B.S. 1975, Massachusetts Institute of Technology; M.D. 1979, University of Chicago Pritzker School of Medicine.
Nimigean, Crina M.Assistant Professor of Physiology and Biophysics in Anesthesiology, Assistant Professor of Biochemistry, Assistant Professor
of Physiology and Biophysics.
B.S. 1995, University of Bucharest (Romania); M.S. 1995, University of Bucharest (Romania); Ph.D. 1999, University of Miami
School of Medicine.
Nimkarn, SarojAssistant Professor of Pediatrics, Assistant Attending Pediatrician, NewYork-Presbyterian Hospital.
M.D. 1991, Mahidol University Faculty of Medicine (Thailand).
Nims, ChloeAssociate Professor of Clinical Psychiatry, Associate Attending Psychiatrist, NewYork-Presbyterian Hospital.
B.A. 1975, Princeton University; M.D. 1991, Columbia University College of Physicians and Surgeons.
http://www.cornellphysicians.com/chloenimsNininger, James E.Clinical Associate Professor of Psychiatry, Associate Attending Psychiatrist, NewYork-Presbyterian Hospital.
B.A. 1970, Kenyon College; M.D. 1974, University of Cincinnati College of Medicine.
Nir, YehudaClinical Associate Professor of Psychiatry, Associate Attending Psychiatrist, NewYork-Presbyterian Hospital.
M.D. 1958, Hadassah Medical School, The Hebrew University (Israel).
Nirenberg, Melissa J.Assistant Professor of Neurology and Neuroscience, Assistant Attending Neurologist, NewYork-Presbyterian Hospital.
B.A. 1990, Yale University; Ph.D. 1996, Weill Graduate School of Medical Sciences of Cornell University; M.D. 1998, Weill
Cornell Medical College, Cornell University.
http://www.cornellphysicians.com/mjnirenbergNirenberg, SheilaAssociate Professor of Physiology and Biophysics, Associate Professor of Computational Neuroscience in Computational Biomedicine.
B.A. 1983, State University of New York at Albany; Ph.D. 1993, Harvard University.
http://www.med.cornell.edu/research/shnirenbergNisi, Rudolph H.Clinical Assistant Professor of Medicine, Assistant Attending Physician, NewYork-Presbyterian Hospital, Attending Physician,
Westchester Square Medical Center.
B.S. 1953, Fordham University; M.D. 1958, University of Rome Faculty of Medicine and Surgery (Italy).
Nissen, MichaelClinical Assistant Professor of Ophthalmology, Assistant Attending Ophthalmologist, NewYork-Presbyterian Hospital.
B.A. 1984, Middlebury College; M.D. 1990, Albany Medical College of Union University.
Njardarson, Jon TryggviTri-Institutional Assistant Professor.
B.S. 1993, University of Iceland (Iceland); Ph.D. 2001, Yale University.
Nociari, Marcelo MarioAssistant Research Professor of Immunology in Ophthalmology.
M.S. 1990, National University of Buenos Aires (Argentina); Ph.D. 1995, National University of Buenos Aires (Argentina).
Nodelman, Samuel G.Clinical Assistant Professor of Otorhinolaryngology, Assistant Attending Otorhinolaryngologist, NewYork-Presbyterian Hospital.
M.D. 1971, Medical Academy of Latvia (Latvia).
Noel, Gary J.Clinical Professor of Pediatrics (Courtesy), Attending Pediatrician, NewYork-Presbyterian Hospital.
A.B. 1976, Dartmouth College; M.D. 1980, Cornell University Medical College.
Noel, Yvonne E.Clinical Assistant Professor of Obstetrics and Gynecology, Assistant Attending Obstetrician and Gynecologist, New York Methodist
Hospital.
B.A. 1974, Hobart and William Smith Colleges; M.D. 1983, Chicago Medical School, Rosalind Franklin University of Medicine
and Science.
Nori, DattatreyuduProfessor of Clinical Radiation Oncology, Attending Radiation Oncologist, NewYork-Presbyterian Hospital.
B.S. 1965, Andhra University (India); M.B.,B.S. 1971, Kurnool Medical College, Sri Venk University (India); M.D. 1976, Osmania
Institute of Medical Science (India).
http://www.cornellphysicians.com/dattatreyudunoriNorton, LarryProfessor of Medicine, Attending Physician, Memorial Sloan-Kettering Cancer Center.
A.B. 1968, University of Rochester; M.D. 1972, Columbia University College of Physicians and Surgeons.
Notterman, Rebecca FeldsherClinical Associate Professor of Pediatrics, Associate Attending Pediatrician, NewYork-Presbyterian Hospital.
R.N. 1945, Hunter Bellevue School of Nursing; M.D. 1952, New York University School of Medicine.
Nour, Bakr M.Professor of Surgery.
M.B.,Ch.B. 1974, University of Alexandria, Faculty of Medicine (Egypt); M.S. 1978, University of Alexandria, Faculty of Medicine
(Egypt); Ph.D. 1986, University of Alexandria, Faculty of Medicine (Egypt).
Novendstern, JoelAssistant Professor of Clinical Obstetrics and Gynecology, Attending Obstetrician and Gynecologist, Lincoln Medical and Mental
Health Center.
B.S. 1971, Northwestern University; M.D. 1975, Georgetown University School of Medicine.
Nowak, Eugene JohnClinical Assistant Professor of Surgery, Assistant Attending Surgeon, NewYork-Presbyterian Hospital.
B.A. 1971, Providence College; M.D. 1975, New Jersey Medical School, University of Medicine and Dentistry of New Jersey.
http://www.cornellphysicians.com/ejnowakNowak-Logozzo, Michelle KimAssistant Professor of Clinical Medicine, Assistant Attending Physician, Memorial Sloan-Kettering Cancer Center.
B.S. 1998, University of New Hampshire; M.D. 2002, Ross University School of Medicine and Veterinary Medicine (Dominica, WI).
Noy, ArielaAssociate Professor of Clinical Medicine, Associate Attending Physician, Memorial Sloan-Kettering Cancer Center.
B.A. 1986, Princeton University; M.D. 1990, University of Pennsylvania School of Medicine.
Nozad, ParirokhClinical Instructor in Medicine, Attending Physician, New York Community Hospital of Brooklyn.
M.D. 1966, Tehran University, Faculty of Medicine (Iran).
Nozad, Steve EsfandiarClinical Assistant Professor of Medicine, Attending Physician, New York Community Hospital of Brooklyn.
B.S. 1966, Alborz College, Teheran (Iran); M.D. 1973, Tehran University, Faculty of Medicine (Iran).
Numan, Mohammed T.Assistant Professor of Clinical Pediatrics, Head of Pediatric Cardiology, Hamad Medical Corporation.
M.B.,B.S. 1990, King Faisal University, College of Medicine and Medical Sciences (Saudi Arabia).
Nunberg, HenryClinical Assistant Professor of Psychiatry, Assistant Attending Psychiatrist, NewYork-Presbyterian Hospital.
B.A. 1954, Harvard University; L.L.B. 1957, Harvard University; M.D. 1962, Albert Einstein College of Medicine of Yeshiva
University.
Nussbaum, Michel ErnestClinical Associate Professor of Medicine, Attending Physician, New York Hospital Medical Center of Queens.
B.A. 1969, Cornell University; M.D. 1977, Free University of Bruxelles Faculty of Medicine (Belgium).
Nydick, IrwinClinical Professor of Medicine, Attending Physician, NewYork-Presbyterian Hospital.
B.A. 1945, Columbia University; M.D. 1948, Columbia University College of Physicians and Surgeons.
Nydick, MartinClinical Associate Professor of Medicine, Associate Attending Physician, NewYork-Presbyterian Hospital.
B.A. 1953, Hobart and William Smith Colleges; M.D. 1957, Columbia University College of Physicians and Surgeons.