Our Company

Inpatient Medical Associates (IMA) is not just another inpatient medicine program. It's a hospitalist culture-a culture of medical professionals who know hospitals and have deliberately chosen hospital careers. We understand the forces of change now driving hospitals, and we're determined to deliver both first-rate inpatient care and the kinds of operating efficiencies that can allow hospitals to succeed in an increasingly challenging environment.

Management Team

Alexander Strachan, Jr., MD, MBA
Executive Vice President

Dr. Strachan has more than 25 years of clinical experience as a practicing internist and hospitalist. Prior to being appointed Executive Vice President of Inpatient Medical Associates, Dr. Strachan served as CEO and managing director of Crosswalk Consulting Group, Piedmont, Calif., a management consulting firm with a focus on strategic hospitalist program development, restructuring and implementation for health systems, hospitals, payer and provider organizations and medical foundations. From 2002 to 2007, he successfully led the development of a large hospitalist division, overseeing program operations for five hospital medicine programs, with management responsibility for 40 physician providers.

Dr. Strachan continues to practice clinically as a part-time hospitalist for Pacific Hospitalist Associates at Mission Hospital, Mission Viejo, Calif. Dr. Strachan holds a bachelor’s degree in natural science from Fordham University, Bronx, N.Y., and a medical degree from Columbia University, New York City. He completed his internal medicine residency at the University of California, San Francisco. Dr. Strachan also holds a master’s degree in business administration from the University of California, Irvine.

Gina Puglisi, MD
Regional Medical Director

Dr. Puglisi is a medicine-pediatric trained physician with extensive experience in both hospitalist and emergency medicine. She received her undergraduate degree at the University of Vermont and went on to complete her medical degree with St. George’s University School of Medicine. Puglisi brings to IMA more than 21 years of clinical practice in addition to 18 years of administrative experience.

Dr. Puglisi is board certified in Internal Medicine and holds ACLS, PALS and ATLS certifications. She has received recognition awards for leadership, customer service and substantial involvement in the community. She was one of the founders of the American Academy of Hospital Chiropractors and co-managed the largest hospital chiropractic department in the United States and Canada.

Maninder A. Abraham, MD
Executive Director, Hospitalist Services at Saint Barnabas Medical Center


In addition to her roles with IMA, Dr. Abraham also is the section chief for the Division of Hospital Medicine at Saint Barnabas Medical Center, Livingston, N.J. She is a member of multiple committees at Saint Barnabas Medical Center, including the House Staff Review Committee, Quality and Resource Management Committee, and Medical Executive Committee.

Dr. Abraham received her medical degree from Kasturba Medical College, Mangalore University in Manipal, India. She is a fellow of the Academy of General Education and a member of the American College of Physicians and Society of Hospital Medicine.

Payam Benson, MD
Program Director, Hospitalist Services at St. Mary's Hospital

Payam Benson, MD, is the program director of the Adult Hospitalist Program at St. Mary’s Hospital. Dr. Benson is board-certified in nephrology and internal medicine.

Dr. Benson completed his fellowships in nephrology and internal medicine at the University of Medicine and Dentistry of New Jersey. He has extensive research experience and has been referenced in various publications, and is a member of the American Society of Nephrology, American College of Physicians and American Medical Association. Dr. Benson received his medical degree from Ross University, Dominica, West Indies, and holds a bachelor’s degree in biology from Yeshiva University, Bronx, N.Y.

Kathryn Cullen, DO
Medical Director, Hospitalist Services at Columbia Medical Center

Kathryn Cullen, DO, is the associate medical director of Hospitalist Services at Columbia Medical Center, Hudson, N.Y.

Dr.Cullen received her medical degree from the New York College of Osteopathic Medicine in Old Westbury, N.Y., and completed her internal medicine residency at UMDNJ-Robert Wood John Medical School in New Brunswick, N.J. She is a board-certified in internal medicine and a member of the American Osteopathic Association. In addition to her role at the hospital, Dr. Cullen also serves as a member of the LEAN Discharge Committee and resident educator at Overlook Medical Center.


Maja Djordjevic, MD
Medical Director, Pediatric Hospitalist Services at Nyack Hospital

Dr. Djordjevic is the medical director of the Pediatric Hospitalist Program at Nyack Hospital, and serves as the hospital’s director of the Department of Pediatrics. She is a member of multiple committees at Nyack Hospital, including the Medical Executive Committee and Performance Improvement Committee, and is a member of the Children’s Clinical Council of New York Presbyterian Healthcare System.

Dr. Djordjevic received her medical degree from the University of Belgrade Medical School in Belgrade, Yugoslavia, and served as chief resident for the Department of Pediatrics with St. Luke’s Roosevelt Hospital Center in New York City. She is a board-certified pediatrician and a fellow of the American Academy of Pediatrics. In addition to her roles at the hospital, Dr. Djordjevic is a clinical instructor of pediatrics at the Touro College of Osteopathic Medicine in New York City.


Marianne Hamra, MD, FACP, FHM
Medical Director, Hospitalist Services at Overlook Medical Center

Marianne Hamra, MD, joined Inpatient Medical Associates in 2014 as Medical Director for IMA’s Hospitalist program at Overlook Medical Center, Summit, N.J. Prior to joining IMA, Dr. Hamra served as Medical Director of Hospitalist Services at St. Francis Hospital, Roslyn, N.Y.

Dr. Hamra has practiced as an Academic Hospitalist at Staten Island University Hospital and at St. Luke’s Roosevelt Hospital in New York. She earned her undergraduate degree in microbiology from the University of Oklahoma and received her Medical Degree from Ross University School of Medicine. She completed her internal medicine residency at Newark Beth Israel Medical Center, Newark, N.J. in 2005. She is Board-Certified in internal medicine and is a fellow of the American College of Physicians and Society of Hospital Medicine.

Anuj Mehta, MD
Medical Director, Adult Hospitalist program at Nyack Hospital

Anuj Mehta, MD, is the medical director of adult hospitalist program at Nyack Hospital. He is board certified in Internal Medicine and with the Education Commission of Foreign Medical Graduates. Prior to joining Inpatient Medical Associates, Dr. Mehta was the associate medical officer in the intensive critical care unit at Bombay Hospital, Mumbai, India.

He received his bachelor’s degree in medicine/surgery from Topiwala National Medical College and B.Y.L. Nair Charitable Hospital, Bombay, India. He completed his residency with Bronx Lebanon Hospital, an affiliate of Albert Einstein College of Medicine, N.Y., New York. Dr. Mehta has conducted various research efforts and was published in Clinical Cardiology for his research on Clopidogrel with Proton Pump Inhibitors.


Eric Takahashi, DO
Medical Director, Hospitalist Services at Kessler Institute for Rehabilitation

Eric Takahashi, DO, joined Inpatient Medical Associates in 2014 as Medical Director for IMA’s hospitalist program at Kessler Institute for Rehabilitation, West Orange, N.J.Prior to joining IMA, Dr. Takahashi was a hospitalist at Saint Barnabas Medical Center, Livingston, N.J., and Vidant Chowan Hospital, Edenton, N.C.

Dr. Takahashi earned his medical degree from Nova Southeastern University College of Osteopathic Medicine, Davie, Fla. He completed a residency in internal medicine/pediatrics at Newark Beth Israel Medical Center, Newark, N.J. He is board-certified in internal medicine.


Daniel Hopler
Manager of Finance for Hospitalist Operations


View recent article about Inpatient Medical Associates in Today's Hospitalist magazine.