Pulmonary, Critical Care, and Sleep Medicine

Meet The Doctors

Arizona Center for Chest Disease
Dr. Arcot S. Premkumar, M.D., F.C.C.P. Board Certified in Internal Medicine and Pulmonary Diseases

Dr. Arcot S. Premkumar
Dr. Premkumar joined the practice in 1981. He completed medical school at Bangalore Medical College in Bangalore India. He completed his Internal Medicine Residency at St Francis Medical Center (Affiliate of Hahneman Medical College of Philadelphia, Pennsylvania), Trenton, New Jersey and his Pulmonary Fellowship at Thomas Jefferson University Hospital, Philadelphia Pennsylvania. He has devoted his life and career to caring for the pulmonary needs of the greater Phoenix and Arizona community.

Dr. Cameron Dick
Dr. Cameron Dick, M.D., F.C.C.P. Board Certified in Pulmonary Diseases, Critical Care Medicine, and Sleep Medicine

Dr. Cameron Dick
Dr. Dick joined our practice in 1999. He completed medical school at the University of Kansas School of Medicine in 1989. He received his internal medicine residency training at Banner Good Samaritan Regional Medical Center and Carl T Hayden V.A. Medical Center Phoenix, Arizona, followed by Chief Resident, and later Pulmonary / Critical Care fellowship training at the University of California, Irvine/Long Beach V.A. Medical Centers. He was in private practice in Long Beach, California for 4 years before returning to Phoenix in 1999. As a representative of our practice, he is also actively involved with Banner University Medical Center medical staff as the current Vice chief and incoming Chief of Staff and Clinical Assistant Professor with the University of Arizona, College of Medicine.

Dr. Sunil Santhanakrishnan
Dr. Sunil Santhanakrishnan, M.D., F.C.C.P. Board Certified in Pulmonary Diseases, and Critical Care Medicine

Dr. Sunil Santhanakrishnan
Dr. Santhanakrishnan joined our practice in 2003. He completed medical school at Stanley Medical College in Madras, India. He received his internal medicine residency training at Jacobi Medical Center affiliated with Albert Einstein College of Medicine, Bronx, New York and his Pulmonary/Critical Care Fellowship at Montefiore Medical Center affiliated to Albert Einstein College of Medicine Bronx, New York. In addition to his pulmonary and critical care practice, he has de3veloped a focused interest in the diagnosis, treatment, and management of patients with pulmonary hypertension which includes various speaking engagements throughout the year. He holds a faculty position as Clinical Assistant Professor with the University of Arizona, College of Medicine.

Dr. Grigory Horonenko Jr
Dr. Grigory Horonenko Jr., D.O., F.C.C.P. Board Certified in Internal Medicine, Pulmonary Diseases, and Critical Care Medicine

Dr. Grigory Horonenko Jr.
Dr. Horonenko joined our practice in 2006. He completed medical school at Western University of Health Sciences, Pomona, CA. He completed his internal medicine residency at Maricopa County Medical Center, Phoenix and his Pulmonary/ Critical Care Fellowship at Banner Good Samaritan Hospital/ Carl T. Hayden V.A Medical Center, Phoenix. He is also Medical Director at Select Specialty Hospital and Clinical Assistant Professor with the University of Arizona, College of Medicine.

Sara R. Ocheltree, M.D
Sara R. Ocheltree, M.D

Sara R. Ocheltree, M.D

Dr Ocheltree completed medical school at King Abdul- Aziz University College of Medicine and Allied Sciences, Saudi Arabia in 2011

She completed her Internal Medicine Residency at UAB Huntsville Regional Medical Campus, Huntsville Alabama in 2016 and her Pulmonary and Critical Care fellowship at Temple University Hospital, Philadelphia, PA in 2019

Dr ocheltree became board certified in Internal Medicine in 2016, in Pulmonary Diseases in 2018, and in Critical Care Medicine in 2019

 

Sara R. Ocheltree, M.D
Sara R. Ocheltree, M.D

Tiffany Herriage  NP-C

Tiffany joined our practice 8/1/2018.

Tiffany received her Associates degree for registered nurse in 2007, and associate in applied science in 2008 from Minnesota State Community and Technical College, Detroit Lakes MN ,

She then received her Bachelors of Science in Nursing in 2012 from North Dakota State University, Fargo, North Dakota in 2012

and her Masters of Science in nursing in Family Nurse Practitioner in 2018 from Grand Canyon University, Phoenix, Arizona

Memberships: American Association of Nurse practitioners