Arizona Center for Cancer Care has brought together the top specialists in cancer treatment, technology and research in order to provide the most cutting-edge, patient-focused service in the state – and beyond.
- Language(s): English
- College: University of Michigan
- Medical School: Ohio State University
- Internship: Ohio State University
- Residency: Ohio State University
- Fellowship: Duke University
- Board Certification: American Board of Internal Medicine: Medical Oncology, Internal Medicine
Dr. David S. Mendelson specializes in medical oncology and hematology. His clinical interests include the management of patients with hematologic disorders, prostate cancer and lung cancer; with a particular interest in drug development.
Dr. Mendelson joined Arizona Center for Cancer Care in 2013, when his team at Pinnacle Oncology Hematology partnered with the practice. He received his medical degree and completed internal medicine residency at Ohio State University. After completing his fellowship training in medical oncology and hematology at Duke University, he joined the faculty as a clinical instructor and research fellow in immuno-hematology. During his 30-plus year career in the Valley, Dr. Mendelson has served as chairman of the Department of Medicine and executive committee member at Thunderbird Samaritan (Banner) Medical Center. In 2001, he joined the University of Arizona as an Assistant Professor of Clinical Medicine working with Dr. Gordon to create the Drug Development Program of the Arizona Cancer Center, Greater Phoenix Area. With the development of Pinnacle Oncology Hematology in 2005, Dr. Mendelson continued his interests in drug development.
Dr. Mendelson has been a consultant to pharmaceutical industry drug development and for the National Cancer Institute’s drug assessment programs.
- Language: English
- College: The College of William and Mary
- Master of Science. Anatomy: Virginia Commonwealth University; Medical College of Virginia
- Medical School: Virginia Commonwealth University; Medical College of Virginia
- Internship: Virginia Commonwealth University: Medical College of Virginia Hospitals
- Residency: Virginia Commonwealth University; Medical College of Virginia
- Fellowship: Vanderbilt University Medical Center
- Board Certification: American Board of Internal Medicine: Medical Oncology, Internal Medicine
Dr. Robin Obenchain specializes in Hematology and Medical Oncology. She believes in a holistic approach to cancer care integrating both the art and science of medicine uniquely based on an individualized care of each patient and family.
Dr. Obenchain joined Arizona Center for Cancer Care in 2016 and has been practicing in the Phoenix area for the past ten years. She received her undergraduate degree in Biological Sciences from The College of William and Mary in Williamsburg, Virginia. She earned a Master of Science degree in Anatomy and her medical degree from Virginia Commonwealth University at the Medical College of Virginia in Richmond, Virginia. Dr. Obenchain completed her internship and residency in internal medicine at the Medical College of Virginia Hospitals where she also served as chief resident. She completed her fellowship at Vanderbilt University Medical Center Division of Hematology and Oncology.
Dr. Obenchain has been published in Oncology Publishing Group: Colorectal Cancer in the Elderly Patient: Assessment and Treatment. She has received multiple awards including Association of Pathology Chairs Honor Society, the Higgins Award for outstanding Senior Resident and Alpha Omega Alpha Honor Society.
She has been named Top Doctor twice in the Phoenix Business Journal and is currently a member of the American College of Hospice and Palliative Medicine.
- Languages: English and Gujarati
- College: University of Illinois, Champaign-Urbana
- Medical School: American University of Antigua
- Residency: Louisiana State University Health Sciences Center, Shreveport
- Fellowship: Louisiana State University Health Sciences Center, Shreveport. Feist-Weiller Cancer Center
- Board Certifications: Internal Medicine, Hematology and Medical Oncology.
Dr. Abhishek Patel joined AZCCC in 2017. His clinical training includes treatment of benign and malignant hematological conditions as well as solid tumors. He has a special interest in lung and gastrointestinal malignancies. He is a member of American Society of Clinical Oncology and American Society of Hematology. His approach to care is primarily built around his patient’s goals while still incorporating data and outcomes of clinical trials to guide treatment plans. He is a strong advocate for patients and overall preserving their quality of life.
Dr. Patel enjoys playing golf and following professional sports during his free time. He is an avid Chicago sports fan and loves anything and everything related to his beloved Bears, Cubs, Bulls, and Blackhawks.
Languages: English, Hindi
Medical School: St. George’s University
Internship: Medical College of Wisconsin
Residency: Medical College of Wisconsin
Chief Resident: Medical College of Wisconsin
Fellowship (Chief Fellow): Medical College of Wisconsin
Board Certification: Internal Medicine (Certified), Hematology (Certified), Oncology (Certified), Informatics (Board Eligible)
Dr. Singavi completed his fellowship in Hematology and Medical Oncology at the Medical College of Wisconsin (MCW) in Milwaukee, WI. While at MCW, he trained under leading experts from the Center for International Bone Marrow Transplant Registry and the renowned Blood Center of Wisconsin. During his final year of training, he was awarded the Mazie Froedtert Wilms and Sue Froedtert Cancer Fellowship and served as Chief Fellow. Dr. Singavi is board certified in Internal Medicine, Hematology, Oncology, and is board eligible in Informatics.
Dr. Singavi strongly believes in treating patients based on the most updated evidence. He has been active in clinical research and has presented at international and national conferences throughout the world. He has authored a book chapter and has published over 50 peer reviewed abstracts and articles in journals such as New England Journal of Medicine, Journal of Clinical Oncology, and Clinical Cancer Research. He is a member of the American Society of Hematology and American Society of Clinical Oncology.
Dr. Singavi’s clinical interests include solid tumors and both malignant and benign hematologic disorders (blood cells, bleeding, and clotting disorders). His special interests include lymphoma, gastrointestinal malignancies, genitourinary cancers, and lung cancer.
Additionally, he completed a Masters in Health Informatics from the University of South Florida – Morsani School of Medicine and wants to incorporate technology to improve communication and care for cancer patients.
Dr. Singavi’s foremost goal in establishing a relationship with the patient is to ensure they understand their diagnosis and treatment options. He believes in a personalized and evidence-based treatment plan that incorporates the patient’s priorities and beliefs, as well as their family’s concerns and goals. Dr. Singavi emphasizes quality of life, bringing a compassionate and holistic approach to the way he takes care of each patient.
When not working, he enjoys spending time with his family, traveling, and watching sports.
- Language(s): English, Punjabi, Hindi
- College: Punjabi University
- Medical School: Government Medical College in Patiala, India
- Internship: Wayne State University Medical School
- Residency: Wayne State University Medical School
- Fellowship: City of Hope Cancer Research Center
- Board Certification: American Board of Internal Medicine, Hematology, Medical Oncology, Internal Medicine
Dr. Devinder Singh obtained his M.D. from the Government Medical College in Patiala (Punjab), India. He completed his internship and residency in Internal Medicine from Wayne State University in Detroit, Michigan. Shortly after, he completed his fellowship in Medical Oncology and Hematology from the City of Hope National Medical Center in Duarte, California in 1992. He is board certified in Internal Medicine, Oncology, and Hematology. In August of 1992, he founded the Arizona Center for Hematology/Oncology and has been servicing the greater Phoenix area since then with his other medical oncology associates. In 2008, in collaboration with Drs. Biggs, Lee, and Reed, the radiation oncology division was established and the practice name was changed to Arizona Center for Cancer Care. He also has been nominated as Best Doctor in Oncology by Phoenix Magazine. He is a clinical assistant professor at Midwestern Medical University (Glendale campus) and is actively involved in teaching medical students.
Dr. Singh has been married to his wonderful wife, Randeep, since 1982. They have three beautiful children, two daughters, Raman and Rimpi, and one son, Aman, all attending different universities. They also have two Yorkshire terriers, Rusty and Musty, and a playful cat, Millie. In his free time, Dr. Singh enjoys playing golf.
- Language(s): English
- College: New York Institute of Technology
- Graduate College: New York University
Hetal Trivedi is a registered nurse and adult primary nurse practitioner at Arizona Center for Cancer Care. After graduating Cum Laude from New York Institute of Technology with a Bachelor of Science degree in Nursing, she earned a Master of Science degree in Nurse Practitioner Studies from New York University.
Prior to joining Arizona Center for Cancer Care, Trivedi was a registered nurse at the Mayo Clinic in Phoenix. In addition, she previously worked as a registered nurse in the Medical and Surgical Oncology Unit at New York Presbyterian Hospital in New York and Robert Wood Johnson University Hospital in New Jersey.
In 2006, Trivedi was honored as a recipient of the prestigious Madeleine M. Leininger Award for her leadership skills and outstanding contributions to the field of transcultural nursing. During her graduate studies, her interest in cultural diversity in health care led Trivedi to Chile where she studied nursing issues and trends in health care delivery systems.
Trivedi holds professional memberships in the American Academy of Nurse Practitioners, the American College of Nurse Practitioners and Arizona Nurses Association.
- Language(s): English, Chinese
- College: Sophie Davis School of Biomedical Education
- Medical School: Stony Brook School of Medicine, State University of New York
- Internship: Stony Brook University Hospital
- Residency: Stony Brook University Hospital
- Fellowship: Boston University School of Medicine
- Board Certification: American Board of Internal Medicine: Hematology, Medical Oncology, Internal Medicine
Dr. Frank Tsai specializes in medical oncology, hematology and internal medicine.
Dr. Tsai joined Arizona Center for Cancer Care in 2013. He received his Bachelor of Science Degree from the Sophie Davis School for Biomedical Education at the City College of New York and the Medical Doctorate from the State University of New York (SUNY) at Stony Brook School of Medicine. After completing his internship and residency in Internal Medicine at the SUNY Stony Brook School of Medicine, Dr. Tsai received his oncology and hematology fellowship training at Boston University School of Medicine. Prior to moving to Arizona in 2013, he was an attending physician at the Memorial Sloan-Kettering Cancer Center in New York where he was involved in institutional guideline committees, clinical trials and international consultations.
Dr. Tsai is a member of the American Society of Clinical Oncology. He has been nominated by cancer patients for The Arnold P. Gold Foundation Award that recognizes physicians for their integrity and compassionate care.