Faculty | Internal Medicine Residency | Arizona

Meet the leadership team of collaborative, skilled physicians who guide the internal medicine residency program at CUEVA. Our faculty is trained to listen as thoroughly as they teach. You will see this in practice often, as faculty members engage with you and with our patient population. Faculty will take the time to answer your questions and to develop a holistic skill set in residents, from technique to bedside manner.

Program Administration

Allan Markus, MD, MS, MBA, FACP – Internal Medicine Residency Program Director
Melanie Cloonan-Schulte, MD, FACP – Assistant Program Director – Wellness
Hamlet Benyamin, MD – Director of Hospital Medicine
Usha Nagin, MD FACP – Associate PD – Hospital Medicine
Ruben Ortiz - Program Coordinator
Julie Ladwig, C-TAGME – GME Coordinator/IM Program admin support

Core Faculty

Osaf Ahmed, MD – Ambulatory Clinic Director
Melanie Cloonan-Schulte, MD – Ambulatory Medicine
Mike Maguire, DO – Critical Care Subspecialty Director
Anthony Salibi, MD – Hospital Medicine Director
Usha Nagin, MD FACP – Associate PD – Hospital Medicine
David Asfour, DO – Hospital Medicine
Fiorella Estrada, MD – Hospital Medicine
Patrick Pathappillil, MD – Hospital Medicine
Janie Goodall, DO, PsyD – Hospital Medicine

Internal Medicine Subspecialties

Ambulatory Medicine

Osaf Ahmed MD – Ambulatory Medicine Director
Melanie Cloonan-Schulte, MD FACP – Ambulatory Medicine
Allan Markus, MD MS MBA FACP – Internal Medicine Residency Program Director
Mohammad Khezrian- Ambulatory Medicine/QI Program
Philip Ku MD – Faculty, Ambulatory Medicine Selective
Samuel Tytler MD – Ambulatory Medicine

Cardiology

Nabil Dib, MD FACC – Subspecialty Director, Cardiology
Bashar Markabawi, MD FACC – Associate Subspecialty Director, Cardiology
Ahtisham Shakoor, MD – Faculty, Cardiology
Jaskanwal (Sonny) Bisla, MD – Faculty, Cardiology
Sunny Jhamnani, MD – Faculty, Cardiology
Fady Marmoush, MD FACC – Faculty, Cardiology
Osama Niazi, DO – Faculty, Cardiology
Georges Nseir, MD – Faculty, Cardiology
Ashish Pershad, MD MS – Faculty, Cardiology
Dhaval Shah, MD MBBS FACC – Faculty, Cardiology

Critical Care

F. Mike Maguire, DO – Subspecialty Director, Critical Care
Daniel Belen, DO – Faculty, Critical Care
Ahmad Chebbo, MD – Faculty, Critical Care
Gary Nagamoto, MD – Faculty, Critical Care
Pedro Quiroga, MD – Faculty, Critical Care
Kris Roach, MD – Faculty, Critical Care
Jack Short, MD – Faculty, Critical Care
Jill Gualdoni, MD – Faculty, Critical Care
Thomas Marston MD – Faculty, Critical Care

Emergency Medicine

Ryan Adkins, DO – Subspecialty Director, Emergency Medicine

Endocrinology

Devendra Wadwekar, MD – Subspecialty Director, Endocrinology
Mohamad Horani, MD – Faculty, Endocrinology
Andrea Ferenczi, MD – Faculty, Endocrinology
Sreedevi Reddy, MD – Faculty, Endocrinology
Abhilasha Singh, MBBS – Faculty, Endocrinology

Gastroenterology

Wael Youssef, MD – Subspecialty Director, Gastroenterology

Geriatrics

Talissa Adkison, MD – Subspecialty Director, Geriatrics

Hematology/Oncology

Azam Farooqui, MD – Subspecialty Director, Hematology/Oncology
Puneet Bhalla, MD – Faculty, Hematology/Oncology
Ian Deroeck, MD – Faculty, Hematology/Oncology
Neel Dharia, MD – Faculty, Hematology/Oncology
Anita Koszyk-Szewczyk, MD – Faculty, Hematology/Oncology
Kalyan Mantripragada, MD – Faculty, Hematology/Oncology
Sumeet Mendonca, MD – Faculty, Hematology/Oncology
Karen Ortiz Cruz, MD – Faculty, Hematology/Oncology
Luke Halbur, MD – Faculty, Hematology/Oncology
Sujith Kalmadi, MD – Faculty, Hematology/Oncology
Christopher Kellogg, MD – Faculty, Hematology/Oncology
Parvinderjit Singh Kahanuja, MD – Faculty, Hematology/Oncology
Rohit Sud, MD – Faculty, Hematology/Oncology

Infectious Disease

Michael Amoa-Asare, MD – Subspecialty Director, Infectious Disease
Madhuri Segireddy, MD – Faculty, Infectious Disease
Celestine Tchikounzi, DO – Faculty, Infectious Disease

Inpatient Medicine/Hospitalist

Usha Nagin, MD FACP – Associate PD – Hospital Medicine
Hamlet Benyamin, MD – Director of Hospital Medicine
Collins Appiah, MD – Inpatient Medicine Selective
Carmen Oliveras, MD – Inpatient Medicine Selective
Shyam Patel, MD – Faculty, Inpatient Medicine
Anthony Salibi, DO – Inpatient Medicine Selective
Sher Naidoo, MD – Inpatient Medicine Selective
Ashbeel Samuel, DO – Inpatient Medicine Selective
David Asfour, DO – Faculty, Inpatient Medicine
Fiorella Estrada, MD – Faculty, Inpatient Medicine
Patrick Pathappillil, MD – Faculty, Inpatient Medicine
Janie Goodall, DO, PsyD – Faculty, Inpatient Medicine

Nephrology

Clyde Mendonca, MD – Subspecialty Director, Nephrology
Rajan Kapoor, MD FASN FACP – Subspecialty Director, Nephrology
Kariappa Appachu, MD – Faculty, Nephrology
Divya Singh Malladi, MD – Faculty, Nephrology
Theodore (Teddy) Tzeremas, MD – Faculty, Nephrology

Neurology

Brian Beck, MD – Subspecialty Director, Neurology
Jon Hodgson, DO – Faculty, Neurology
David Salvatore, DO – Faculty, Neurology

Pulmonary and Sleep Medicine

Jill Gualdoni, MD – Subspecialty Director, Pulmonary/Sleep Medicine
Jed Bayasi ssociate Subspecialty Director Pulmonary/Sleep Medicine
Sankalp Choudhri, MD – Associate Subspecialty Director, Pulmonary/Sleep Medicine