Dr. Michael Buckmire is a board certified colon and rectal surgeon who performs all aspects of a colorectal surgical practice and provides individualized and compassionate care for patients with diseases of the colon, rectum and anus.  Dr. Buckmire earned his undergraduate degree from Duke University and received his medical degree from the University of  Maryland School of Medicine.  Dr. Buckmire completed training in general surgery at Hahnemann University Hospital in Philadelphia, Pennsylvania and finished his colorectal fellowship at Washington University/Barnes-Jewish Hospital in St. Louis.  He performs open, laparoscopic and robotic colon surgery for indicated conditions of the colon and small bowel, such as Crohn's disease, ulcerative colitis, diverticulitis, colorectal and anal cancer and a variety of other conditions requiring surgical intervention.  He also performs colonoscopies, when indicated.My goal is to provide the highest quality surgical care available with an emphasis on advanced techniques. Patient care is the core value of my practice. Dr. Buckmire is rated as an Advanced provider by MediFind in the treatment of Lynch Syndrome. His top areas of expertise are Proctitis, Levator Syndrome, Anal Fissure, Hernia Surgery, and Ileostomy.

Aalok Sahai is a Colorectal Surgeon and a Gastroenterologist in Chandler, Arizona. Dr. Sahai is rated as an Experienced provider by MediFind in the treatment of Lynch Syndrome. His top areas of expertise are Anorectal Abscess, Mesenteric Venous Thrombosis, Hemorrhoids, Hernia Surgery, and Colonoscopy. Dr. Sahai is currently accepting new patients.

Shawn Webb is a Colorectal Surgeon in Chandler, Arizona. Dr. Webb is rated as an Advanced provider by MediFind in the treatment of Lynch Syndrome. His top areas of expertise are Anal Cancer, Familial Colorectal Cancer, Colorectal Cancer, Hernia Surgery, and Ileostomy.

Dr. Hakiman graduated Magna Cum Laude from State University of New York at Buffalo with a Bachelor of Science in Biotechnology with a minor in Biochemical Pharmacology.  He obtained his medical degree from SUNY Buffalo where he was awarded the Gold Humanism in Medicine award and the Department of Surgery Chair's award for Academic Excellence.  Dr. Hakiman developed an interest in the field of colon and rectal surgery while obtaining his General Surgery training at UT Southwestern Medical Center and Parkland Memorial Hospital in Dallas, TX. He completed his fellowship at Baylor University Medical Center.The goal is to provide the highest quality care available with an emphasis on advanced surgical procedures and technology.  I believe in timely communication and educating patients on their care. Dr. Hakiman is rated as an Experienced provider by MediFind in the treatment of Lynch Syndrome. His top areas of expertise are Anal Fissure, Hemorrhoids, Familial Colorectal Cancer, Hernia Surgery, and Ureteroscopy.

Dr. Clark specializes in colon and rectal surgery with unique skills in advanced care for inflammatory bowel disease, colon and rectal cancer, colonic polyposis syndromes, anal cancer and complex benign anorectal disorders. He uses advanced technology such as high-resolution anoscopy, minimally invasive technology with fluorescence angiography, pelvic floor studies and endorectal ultrasound to help identify, diagnose and treat colorectal disease in a more precise way. Some of these unique clinical treatment strategies enable him to proactively treat low acuity colon and rectal issues in the clinic before they become big surgical cases. Dr. Clark earned his BA in Biology from the University of Pennsylvania; he went on to Penn State University, College of Medicine where he earned his Medical Doctorate. He did an Internship and Residency at the University of Texas Health Science Center San Antonio. He completed a Fellowship in Colon and Rectal Surgery at Christus Santa Rosa Colon and Rectal Surgery Program in San Antonio.His past academic appointments include Assistant Professor of Surgery at Texas A&M Health Science Center/Baylor, Scott & White Memorial Hospital and Associate Professor of Surgery at Morehouse School of Medicine were he also served as Vice Chair of Surgical Education and Program Director for the General Surgery Residency program. In addition he has given back to our Military community by serving in Department of Surgery at the Central Texas Veterans Health Care System.He is a Diplomat of the American Board of Surgery and the American Board of Colon and Rectal Surgery. Dr. Clark is a Fellow of the American College of Surgeons, a Fellow of the American Society of Colon and Rectal Surgeons, a member of the Association of Academic Surgeons and served as an executive board member of the Association of Program Directors in Surgery. Dr. Clark has published many peer-reviewed and book chapters on the topics such as hemorrhoid surgery, robotic surgery for resident training, techniques in advanced coloproctology for fistulizing anorectal disease, colorectal cancer, inflammatory bowel disease, and single incision laparoscopic colectomy among others.Dr. Clark's care philosophy is to treat every patient like they are a family member. I strive to deliver a high-standard of care; I treat my patients like I would treat my family. I make decisions with the patient and base them on medically-proven therapies. I offer my patients access to advanced technology to reduce risk, improve outcomes and minimize complications. Dr. Clark is rated as an Experienced provider by MediFind in the treatment of Lynch Syndrome. His top areas of expertise are Retroperitoneal Inflammation, Anal Cancer, Diverticular Disease, Familial Colorectal Cancer, and Ileostomy.

Joining Ironwood Cancer & Research Centers in 2004, Dr. Shtivelband received his medical degree and PhD in Experimental Hematology in Russia. After Internal Medicine Residency, Dr. Shtivelband received fellowship training in Hematology and Medical Oncology at MD Anderson Cancer Center in Houston, where he stayed for an additional year to participate in experimental research. Treating patients with all kinds of malignancies and benign hematological problems, Dr. Shtivelband has particular interest in developing research programs to bring the newest advances in the field of Oncology and Hematology to our community. Dr. Shtivelband also heads the Ironwood Cancer & Research Center's research program. He is Board Certified in Internal Medicine, Hematology and Medical Oncology. Dr. Shtivelband is rated as an Advanced provider by MediFind in the treatment of Lynch Syndrome. His top areas of expertise are Hemochromatosis, Non-Small Cell Lung Cancer (NSCLC), Plasmacytoma, and Lung Cancer.

Arpit Patel is a Colorectal Surgeon in Chandler, Arizona. Dr. Patel is rated as an Experienced provider by MediFind in the treatment of Lynch Syndrome. His top areas of expertise are Anal Fissure, Hemorrhoids, Familial Colorectal Cancer, Ureteroscopy, and Hernia Surgery.

Dr. Neel Dharia joined Ironwood Cancer & Research Centers in January 2012. Dr. Dharia received his medical degree from Mumbai University, Mahatma Gandhi Missions Medical College in 1999. His residency was completed in Internal Medicine at McLaren Regional Medical Center and Michigan State University College of Human Medicine in Flint, Michigan. Dr. Dharia was a hospitalist at several Phoenix Valley hospitals between 2003-2007 and completed a fellowship in Hematology/Oncology at St. Elizabeth's Medical Center (affiliated with Tufts University School of Medicine) in Boston, Massachusetts from 2007-2010. He came back to Arizona in 2010 and is board-certified in medical oncology. Dr. Dharia's areas of interest include GI malignancies, melanoma, breast and lung cancers.You can find that team at Ironwood Cancer & Research Centers. With community-based centers strategically located throughout the Metro Phoenix area, Ironwood offers advanced therapies and a multi-disciplinary approach usually associated with large academic centers – but with a personalized touch recognizing the individual needs of the patient.Studies have shown the importance of a multi-disciplinary approach in effectively treating cancer. We spare you time and worry simply by having all the doctors, therapists, and resources you need in one convenient location, eliminating the delays and miscommunication. These collaborative efforts ensure the highest standards of care. Because Ironwood is actively involved in cutting-edge research, you can also benefit from promising new treatments through participation in clinical trials.  At Ironwood Cancer & Research Centers we evaluate you and develop a personalized treatment plan specifically for you to insure the best possible outcome. Dr. Dharia is rated as a Distinguished provider by MediFind in the treatment of Lynch Syndrome. His top areas of expertise are Familial Colorectal Cancer, Breast Cancer, Lynch Syndrome, and Colorectal Cancer.

Dr. Kalmadi joined Ironwood Cancer and Research Centers in 2008 and serves as Chief Medical Officer.  After finishing his medical schooling in India, Dr. Sujith Kalmadi completed his residency training and fellowship at the Cleveland Clinic in Cleveland, Ohio. He then served as academic clinical faculty at the Cleveland Clinic School of Medicine (Lerner School) in Cleveland, Ohio and subsequently at Baylor College of Medicine in Houston, Texas. During his tenure at these prestigious institutions, he pioneered several novel clinical research trials which have been lauded at national scientific meetings and published in peer reviewed journals. His areas of clinical and research interests include several solid tumors and hematological disorders. He currently resides in Chandler with his wife and three children, and enjoys tennis, chess and racquetball during his spare time. He is board certified in Internal Medicine, Hematology and Medical Oncology. Dr. Kalmadi is rated as a Distinguished provider by MediFind in the treatment of Lynch Syndrome. His top areas of expertise are Lung Cancer, Familial Colorectal Cancer, Colorectal Cancer, and Severe Congenital Neutropenia.

Jasleen Khanuja is a Hematologist Oncology specialist and a Hematologist in Chandler, Arizona. Dr. Khanuja is rated as an Advanced provider by MediFind in the treatment of Lynch Syndrome. Her top areas of expertise are Agranulocytosis, Chronic Familial Neutropenia, Severe Congenital Neutropenia, and Breast Cancer. Dr. Khanuja is currently accepting new patients.

Dr. Kellogg has practiced with Ironwood Cancer & Research Centers as a partner since 1995. He is a graduate of Wayne State University School of Medicine and completed his residency and fellowship at Wayne State University Affiliated Hospitals. Prior to joining ICRC Dr. Kellogg was an Assistant Professor of Medicine at Wayne State University and the Detroit Medical Center working on the breast cancer service. While at the university, in addition to treating patients Dr. Kellogg was involved in conducting multiple clinical research studies. Dr. Kellogg was also Chief Medical Resident at Detroit Receiving Hospital. Dr Kellogg has been recognized by Phoenix Magazine as Top Doc. Dr. Kellogg is Board Certified in Internal Medicine with Specialty Board Certifications in Medical Oncology and Hematology and maintains an active practice concentrating on all types of adult cancers and blood disorders. Dr. Kellogg is rated as an Experienced provider by MediFind in the treatment of Lynch Syndrome. His top areas of expertise are Breast Cancer, B-Cell Lymphoma, Paget Disease of the Breast, and Schnitzler Syndrome.

Rohit Sud is a Hematologist Oncology specialist and a Hematologist in Chandler, Arizona. Dr. Sud is rated as an Advanced provider by MediFind in the treatment of Lynch Syndrome. His top areas of expertise are Pleuropulmonary Blastoma, Acute Mountain Sickness, Thrombocytopenia, and Essential Thrombocythemia. Dr. Sud is currently accepting new patients.

Ramesh Ramanathan is a Hematologist Oncology specialist and an Oncologist in Chandler, Arizona. Dr. Ramanathan is rated as an Advanced provider by MediFind in the treatment of Lynch Syndrome. His top areas of expertise are Pancreatic Cancer, Pancreatic Ductal Adenocarcinoma, Colorectal Cancer, Familial Pancreatic Cancer, and Gastric Bypass. Dr. Ramanathan is currently accepting new patients.

Robin Obenchain is a Hematologist in Chandler, Arizona. Dr. Obenchain is rated as an Experienced provider by MediFind in the treatment of Lynch Syndrome. Her top areas of expertise are Breast Cancer, Paget Disease of the Breast, Inflammatory Breast Cancer, and Angiosarcoma. Dr. Obenchain is currently accepting new patients.

Ashley Casano is a Colorectal Surgeon and a Gastroenterologist in Mesa, Arizona. Dr. Casano is rated as an Advanced provider by MediFind in the treatment of Lynch Syndrome. Her top areas of expertise are Rectal Prolapse, Hemorrhoids, Bowel Incontinence, Bladder Reconstruction, and Ureteroscopy.

Krishna Venkatesh is a Colorectal Surgeon and a Gastroenterologist in Gilbert, Arizona. Dr. Venkatesh is rated as an Advanced provider by MediFind in the treatment of Lynch Syndrome. His top areas of expertise are Diverticular Disease, Familial Colorectal Cancer, Encopresis, Hernia Surgery, and Ureteroscopy. Dr. Venkatesh is currently accepting new patients.

Adatee Okonkwo is a Colorectal Surgeon and a General Surgeon in Gilbert, Arizona. Dr. Okonkwo is rated as an Experienced provider by MediFind in the treatment of Lynch Syndrome. Her top areas of expertise are Retroperitoneal Inflammation, Diverticular Disease, Hemorrhoids, Tenesmus, and Bladder Reconstruction. Dr. Okonkwo is currently accepting new patients.

Madappa Kundranda is a Hematologist and an Oncologist in Gilbert, Arizona. Dr. Kundranda is rated as a Distinguished provider by MediFind in the treatment of Lynch Syndrome. His top areas of expertise are Pancreatic Ductal Adenocarcinoma, Pancreatic Cancer, Colorectal Cancer, and Familial Colorectal Cancer. Dr. Kundranda is currently accepting new patients.

Christina Gomez is an Oncologist and a Hematologist in Gilbert, Arizona. Dr. Gomez is rated as a Distinguished provider by MediFind in the treatment of Lynch Syndrome. Her top areas of expertise are Familial Colorectal Cancer, Pancreatic Cancer, Neuroendocrine Tumor, and Colorectal Cancer. Dr. Gomez is currently accepting new patients.

Paul Tender is a Colorectal Surgeon and a Gastroenterologist in Chandler, Arizona. Dr. Tender is rated as an Experienced provider by MediFind in the treatment of Lynch Syndrome. His top areas of expertise are Anal Fissure, Anal Cancer, Familial Colorectal Cancer, Ileostomy, and Hernia Surgery.