Internal Medicine Staff Bios
Madeline Wilson, MD, FACP – Chief of Internal Medicine
BA: Harvard College, 1981
MD: Harvard Medical School, 1988
Intern/Resident: Internal Medicine, Yale New Haven Hospital
Fellow, Robert Wood Johnson Clinical Scholar, Yale University School of Medicine
Fellow, American College of Physicians
Diplomate, American Board of Internal Medicine
Assistant Professor, Medicine, Yale University School of Medicine
Attending Physician, Yale New Haven Hospital
Primary care clinician at Yale Health Plan since 2006
Delly Alcantara, MD
MD: Autonomous University of Guadalajara, 1998
Intern/Resident Internal Medicine, Lincoln Medical Center/Cornell University Medical Center, New York
Attending Physician, Yale New Haven Hospital
Primary care clinician at Yale Health Plan since 2008
Daniel Geisser, MD
BS: Massachusetts Institute of Technology, 1972
MD: University of Pennsylvania School of Medicine, 1976
Intern/Resident: Internal Medicine, Michael Reese Medical Center
Fellowship: Nephrology, Michael Reese Medical Center
Associate Clinical Professor, Medicine, Yale University School of Medicine
Diplomate – National Board of Medical Examiners, American Board of Internal Medicine and American Board of Nephrology
Attending physician at Yale-New Haven Hospital
Primary care clinician at Yale Health Plan since 1984
Paul Genecin, MD
Director, Yale University Health Services
AB: Princeton University, 1977
MD: Columbia Unversity College of Physicians and Surgeons, 1983
Intern/Resident: Internal Medicine, Columbia Presbyterian Medical Center
Fellowship: Digestive Diseases, Yale University School of Medicine
Diplomate, American Board of Internal Medicine
Clinical Associate Professor of Medicine, Yale University School of Medicine
Attending Physician, Yale New Haven Hospital
Primary care clinician at Yale Health Plan since 1989
Cynthia Holland-Toftness, FNP, APRN
Nurse Practitioner
BS: Saint Joseph’s College, 1973
MSN: Southern Connecticut State University, 1990
Certification: American Nurses Credentialing Center –Family Nurse Practitioner (FNP)
Primary care clinician at Yale Health Plan since 2000
"I enjoy working at YUHS because it provides me with an opportunity to meet people from all over the world and from many walks of life. It makes my job FUN as well as challenging!"
-Cynthia Holland-Toftness
Moreson Kaplan, MD
Associate Director of Medical Affairs, Yale University Health Services
BA: Oberlin College, 1954
MD: Albert Einstein College of Medicine, 1963
Intern/Resident: Internal Medicine, Peter Bent Brigham Hospital
Fellowship: Hematology, Yale University School of Medicine
Diplomate, American Board of Internal Medicine
Attending Physician, Yale New Haven Hospital
Primary care clinician at Yale Health Plan since 1971
Susan Langerman, FNP, APRN
Nurse Practitioner
BA: Connecticut College, 1977
ADN: University of Bridgeport, 1989
MSN: Yale University School of Nursing, 1999
Certification: Family Nurse Practitioner
Primary care clinician at Yale Health Plan since 2006
Kathryn Leinhardt, MD
BA: Yale University, 1984
MD: Yale University School of Medicine, 1997
Intern/Resident: Internal Medicine, Yale University School of Medicine
Diplomate, American Board of Internal Medicine
Attending physician, Yale-New Haven Hospital
Primary care clinician at Yale Health Plan since 2000
Patricia Loving, MSW, PA-C
Physician Assistant
BA: Brandeis University, 1965
MSW: University of Michigan, 1966
Certification: PA-C, Physician Assistant, Yale University School of Medicine, 1980
Certification, National Commission on Certification of Physician Assistants
Member, Connecticut Medical Examining Board
Primary care clinician at Yale Health Plan since 2004
Lecturer in Medicine, Yale University School of Medicine
Affiliated Medical Staff, Yale New Haven Hospital
Slawomir Mejnartowicz, MD
MD: K. Marcinkowski Medical School, Poznan-Poland, 1993
Intern: Internal Medicine, Strus Hospital
Intern: Columbia University Primary Care Internal Medicine Program
Resident: St. Luke’s Roosevelt Hospital Center, New York
Fellowship: Geriatrics, Bellevue Hospital Center, New York University
Diplomate: American Board of Internal Medicine and Geriatrics
Attending Physician at Yale-New Haven Hospital
Primary care clinician at Yale Health Plan since 2006
Elizabeth Muskin, MD
BS: Yale University, 1983
MD: Case Western Reserve School of Medicine, 1988
Intern/Resident: Yale New Haven Hospital, Internal Medicine
Fellowship: Emergency Medicine, Hospital of the University of Pennsylvania
Diplomate: American Board of Internal Medicine
Attending physician, Yale-New Haven Hospital
Primary care clinician at Yale Health Plan since 2008
Christiane Nockels, PA-C, PhD
BA: Université de Provence, 1971
Certification: PA-C, Physician Associate, Yale University, 1984
M.Phil: Yale University, 2003
PhD: History of Science and Medicine, Yale University, 2006
Certification, Narional Commission on Certification of Physician Assistants
Primary care clinician at Yale Health Plan since 2008
Michael Rigsby, MD
Medical Director, Yale University Health Services
B.Mus.: University of North Carolina School of the Arts, 1976
MD: Yale University School of Medicine, 1988
Intern/Resident: Internal Medicine , Yale University School of Medicine
Fellowship: Infectious Disease and AIDS, Yale University School of Medicine
Diplomate: American Board of Internal Medicine and Infectious Diseases
Clinical Associate Professor of Medicine, Yale University School of Medicine
Attending Physician, Yale New Haven Hospital
Primary care clinician at Yale Health Plan since 2005
Adam Smith, DO
BA: North Carolina State University, 1993
DO: West Virginia School of Osteopathic Medicine, 2004
Resident: Yale University Primary Care Internal Medicine
Diplomate: American Board of Internal Medicine
Attending Physician, Yale New Haven Hospital
Primary care clinician at Yale Health Plan since 2007David Smith, MD
Chief of Clinical Measures and Education
BA: University of Virginia, 1976
MD: University of Virginia School of Medicine, 1980
Intern/Resident: Dartmouth-Hitchcock Medical Center
Kaiser Fellow, General Internal Medicine, Hospital of the University of Pennsylvania
Diplomate, National Board of Medical Examiners and American Board of Internal Medicine
Fellow, American College of Physicians
Associate Clinical Professor, Medicine, Yale University School of Medicine
Attending physician at Yale-New Haven Hospital
Primary care clinician at Yale Health Plan since 1993
John Toksoy, MD
BA: Hamilton College, 1988
MD: State University of New York – Stony Brook, 1997
Intern/Resident: Internal Medicine Training Program, Yale University School of Medicine
Diplomate, American Board of Internal Medicine
Member, American Medical Association, American College of Physicians
Assistant Clinical Professor, Medicine, Yale University School of Medicine
Attending physician at Yale-New Haven Hospital
Primary care clinician at Yale Health Plan since 2000
