Faculty: leaders developing leaders.
Meet the leadership team of collaborative, skilled physicians who guide the internal medicine residency program at Dignity Health East Valley. 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
- Shalini Chaliki, MD- Associate Program Director - Palliative Care and Ambulatory Medicine
- Melanie Cloonan-Schulte, MD FACP- Assistant Program Director - Wellness
- Rachel Bond, MD FACC - Assistant Program Director of Diversity, Equity and Inclusion
- Samuel Tytler, MD FACP- Associate PD- Medical Students
- Tiffany Hosten-Blackmond, MD- Associate PD- Ambulatory Medicine
- Julie Ladwig, C-TAGME, Program Coordinator
Core Faculty
- Osaf Ahmed, MD – Ambulatory Clinic Director
- Tiffany Hosten-Blackmond, MD – Ambulatory Subspecialty Director
- Samuel Tytler, MD FACP – Ambulatory Medicine
- Melanie Cloonan-Schulte MD – Ambulatory Medicine
- Nalini Tirumalasetty, MD – Endocrinology Subspecialty Director
- Mike Maguire, DO – Critical Care Subspecialty Director
- Rachel Bond, MD – Cardiology Subspecialty Director
- Anthony Salibi, MD – Hospital Medicine Director
- Zachary Burkhart, MD – Hospitalist
- Sher Naidoo, MD – Hospitalist
- Collins Appiah, MD – Hospitalist
- Shyam Patel, MD – Hospitalist
- Ashbeel Samuel, DO – Hospitalist
- Atika Nayeem, MD – Hospitalist
- Chelsi Scull, MD – Hospitalist
- Carmen Oliveras, MD – Hospitalist
Internal Medicine Subspecialties
Ambulatory Medicine
- Tiffany Hosten-Blackmond, MD- Associate PD- Ambulatory Medicine
- Melanie Cloonan-Schulte, MD FACP - Ambulatory Medicine
- Allan Markus, MD MS MBA FACP - Internal Medicine Residency Program Director
- Philip Ku MD - Faculty, Ambulatory Medicine Selective
- Samuel Tytler MD, Ambulatory Medicine Selective
- Osaf Ahmed MD, Ambulatory Medicine Selective
- Shalini Chaliki, MD- Associate PD
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
- Rachel Bond, MD FACC - 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
Emergency Medicine
- Ryan Adkins, DO - Subspecialty Director - Emergency Medicine
Endocrinology
- Naga Nalini Tirumalasetty, MD - Subspecialty Director - Endocrinology
- Mohamad Horani, MD - 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
- Collins Appiah, MD - Faculty, Inpatient Medicine
- Zachary Burkhart, MD - Faculty, Inpatient Medicine
- Carmen Oliveras, MD - Faculty, Inpatient Medicine
- Shyam Patel, MD - Faculty, Inpatient Medicine
- Anthony Salibi, DO - Faculty, Inpatient Medicine
- Amit Waghray, MD - Faculty, Inpatient Medicine
- Yamine Saddouk, MD DO - Faculty, Inpatient Medicine
- Sher Naidoo, MD - Faculty, Inpatient Medicine
- Ashbeel Samuel, DO - Faculty, Inpatient Medicine
- Atikay Nayeem, MD - Faculty, Inpatient Medicine
- Lee M. Farmer, MD - Faculty, Inpatient Medicine
- Michale Igwe, MD - Faculty, Inpatient Medicine
- John Griffin, DO - Faculty, Inpatient Medicine
Nephrology
- Clyde Mendonca, MD - Subspecialty Director - Nephrology
- Kariappa Appachu, MD - Faculty, Nephrology
- Rajan Kapoor, MD FASN FACP - 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
- Sankalp Choudhri, MD - Associate Subspecialty Director - Pulmonary/Sleep Medicine
Rheumatology
- Amer Al-Khoudari, MD FACR - Subspecialty Director – Rheumatology
Electives (Non-lM)
Allergy and Immunology
- Hiral Thakrar, MD - Electives Director - Allergy and Immunology
- Michael Manning, MD - Faculty Allergy and Immunology
Dermatology
- Rosemary Geary, MD - Electives Director - Dermatology
- Ryan Falsey, MD - Faculty, Dermatology
Hospice and Palliative Care Medicine
- Shawn Abreu, MD - Electives Director - Hospice and Palliative Medicine
- Ned Stozberg, MD - Faculty, Hospice and Palliative Medicine
- Shalini Chaliki, MD - Faculty, Hospice and Palliative Care
Office Gynecology and Women's Health
- Charles Boag, MD - Electives Director - Office Gynecology & Women's Health
- Gail Brown, WHNP - Faculty - Office Gynecology & Women's Health
Office Ophthalmology
- Michael Campion, MD - Electives Director - Office Ophthalmology
Orthopedic Surgery
- Clifford Jones, MD - Electives Director - Orthopedic Surgery
- Ammar Karim, MD - Faculty, Orthopedic Surgery
Otolaryngology
- Veena Vats, MD - Electives Director - Otolaryngology
- Naveen Kumar, MD - Faculty, Otolaryngology
- Karl Hurst-Wicker, MD – Pain Medicine
Physical Medicine and Rehabilitation
- Timothy Scott Sanford, MD - Electives Director - Physical Medicine and Rehabilitation
- Scott Kreiner, MD - Faculty, Physical Medicine and Rehabilitation
Psychiatry
- Daniel Merrill, MD - Electives Director - Psychiatry
- David Fife, MD - Faculty, Psychiatry
Radiology
- Stephanie Horton, DO - Electives Director - Radiology
Young Adult Medicine
- Thomas Eccles, DO - Electives Director - Young Adult Medicine
Non-Medical Faculty
- Sue Espe - Library Services
More about our Internal Medicine Residency
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