xml version="1.0" encoding="utf-8" Valley Surgical Clinics: Physician Bios
Patient Interviews
& Surgical Experience


Surgical Videos

Thyroid Operations
Jeffrey A. Singer, MD, FACS

Jeffrey Singer PhotoFounder of Valley Surgical Clinics. Dr. Singer received his MD from New York Medial College in New York City, where he was elected into Alpha Omega Alpha (Iona Chapter), the Honor Medical Society. He completed his Surgical Residency at Maricopa County General Hospital, Phoenix, Arizona. He is Board Certified in the specialty of General Surgery. He has over 20 years of experience in his field of general and laparoscopic surgery. Dr. Singer is a Fellow of the American College of Surgeons, the International College of Surgeons, the Southwestern Surgical Congress, & the American Society of Abdominal Surgeons.

Francisco N.S. Rodriguez, MD, FACS

Francisco Rodriguez PhotoReceived his MD from the Catholic University in Santiago, Dominican Republic. Dr. Rodriguez completed his Internship in General Surgery at Indiana University and Purdue University Hospitals in Indianapolis, Indiana. He completed a General Surgery Residency at the University of Illinois at Chicago, Cook County Hospital, after which he went on to a fellowship in Transplant Surgery at Ohio State University School of Medicine in Columbus, Ohio.

His experience in transplant surgery has given him a special expertise and interest in major pancreatic and liver surgery, in which he has earned a local reputation for excellence. He has become a Phoenix-area leader in the performance of laparoscopic Nissen fundoplication for severe gastro-esophageal reflux disease.

Continually striving to provide superior patient care along with advantages of the latest technology, Dr. Rodriguez and partners began training in 2008 in Robotic assisted surgery.

As one of the founding members of the Clinical Robotic Surgery Association, Dr. Rodriguez and his partners are paving the way in Robotic assisted surgery with new innovations and refinement of techniques. As a group they have successfully performed over 300 Robotic Surgeries to date.

In 2009, Valley Surgical Clinics had the pleasure of hosting to the first ever Robotics Symposium in Phoenix. Dr. Rodriguez was a featured key-note speaker on Robotics in Private Practice at this event.

Dr. Rodriguez is among a small group surgeons in the United States to perform daVinci® Robotic Thyroid and Parathyroid Surgery. He and his partners are quickly building one of Arizona’s largest Robotics programs using this new procedure. His early experience allows him to train other local surgeons, and develop training programs at local hospitals.

Dr. Rodriguez is Board Certified in the specialty of General Surgery. He is a C.A. Professor of Surgery University of Illinois, Chicago. Dr Rodriguez is a Fellow of the American College of Surgeon, the International College of Surgeons, and the southwestern Surgical Congress. Dr Rodriguez is fluent in Spanish.

Alan M. Bornstein, MD, FACS

Alan Bornstein PhotoReceived his MD from the University of Florida, Gainesville, Florida in 1991. He then completed his Internship and Residency in General Surgery at Loyola University Medical Center, Maywood, Illinois. In 1996-1992, while at Loyola, he received the “Intern of the Year Award.” He went on to complete a fellowship in Surgical Oncology at the University of Illinois at Chicago, where he also did 6 months of clinical research. Board Certified in the specialty of General Surgery. Dr. Bornstein is a Fellow of the American College of Surgeons, as well as the Society of Surgical Oncology. He has special interest and expertise in the surgical treatment of cancer, including “state of the art” approaches to breast cancer and melanoma. He is also a skilled laparoscopic surgeon and surgical endoscopist.

Rick A. Low, MD, FACS

Rick Low PhotoReceived his MD from Johns Hopkins University of Medicine in Baltimore, Maryland in 1994. He then went on to complete his residency in General surgery, with an emphasis on laparoscopic surgery, at UCLA/Cedars- Sinai Medical Center, Los Angeles, California. Born in Honolulu, Hawaii, he received his Bachelor of Arts from the University of Hawaii, where he was elected into the PHI BETA KAPPA HONOR SOCIETY (University of Hawaii Chapter), and was elected Chartering President of the University of Hawaii Chapter of the Golden Key National Honor Society. Dr. Low is Board Certified in the specialties of General Surgery and also in Advanced Cardiac Life Support and Advanced Trauma Life Support. Dr. Low is in the Candidate Group as a Fellow of the American College of Surgeons, and a member of the Association of Academic Surgery and the American Medical Association.

In 2008, Dr. Low along with fellow partners pursued advanced training in Robotic Assisted Surgery. Following this period of intensive study and training, he was able to establish himself as one of the local pioneers in Robotic Assisted Surgeries. The Valley Surgical team has successfully performed over 300 Robotic Surgeries to date.

In 2009, Valley Surgical Clinics had the pleasure of hosting to the first ever Robotics Symposium in Phoenix Dr. Low was a featured presenter on Surgical Approaches utilizing Robotics.

Dr. Low’s early experiences/training has allowed him to become a National Proctor for General and Colorectal Surgery, daVinci Robotics, National Proctor for SILS (Single Incision Laparoscopic Surgery) National Proctor for Laparoscopic Inguinal,and Incisional Hernia Surgery.

J. Bradford Doxey, MD, FACS

J. Bradford Doxey PhotoDr. Doxey received his MD from Eastern Virginia Medical School in Norfolk, Virginia in 1990. He completed his Internship and Residency at Eastern Virginia Graduate School of Medicine. Dr. Doxey was associated with Southeastern Surgical Associates, P.C. for 7 years before moving to Arizona in 2003. At that time he joined a solo surgical practice and in May 2004, joined Valley Surgical Clinics. He published clinical research on “Early pattern of Survival and Recurrence after Laparoscopic-Assisted Colectomy for Malignancy.” He also participated in the study of Modifiers of Mutagenesis at the Jones Institute for In Vitro Fertilization. Dr. Doxey has a special interest in advanced laparoscopy, having performed more than 600 advanced laparoscopic cases.

Luis Hashimoto, MD, FACS

Luis HashimotoDr. Hashimoto received his MD from San Marcos National University School of Medicine in Lima, Peru. Dr. Hashimoto’s post-graduate training was done at the Cleveland Clinic in Cleveland, Ohio where he received the Resident Achievement Award presented by the Society of Laparoendoscopic Surgeons. He studied abroad at Tohoku University in Sendai City, Japan where he received his PhD (Doctor in Medical Science). At Tohoku University he also received additional training on hepatobiliary and gastric cancer surgery, abdominal ultrasound, and was a member of the Liver Research Group.

Roozbeh Rassadi, MD

Roozbeh Rassadi, MDDr. Rassadi comes to Valley Surgical from Methodist Dallas Medical Center. He went to McGill University in Montreal, Canada where he obtained his masters in Physiology. He completed his residency in General Surgery at Drexel University College of Medicine in Philadelphia, Pennsylvania. He received the Golden Stethoscope nominee for excellence in teaching as a resident. Dr Rassadi then completed his fellowship in Upper GI/Hepatobilliary Surgery at Methodist Dallas Medical Center. Dr. Rassadi is a Candidate Member of the American College of Surgeons. Dr. Rassadi was a member of the Editorial Board for the McGill Journal of Medicine.

Alexzandra K. Hollingworth, MD

Alexzandra K. HollingworthPlease Help Us in Welcoming Our Newest Valley Surgical Practitioner, Alexzandra K. Hollingworth, MD to our practice. Dr. Hollingworth is a graduate from Ross University School of Medicine , Edison, NJ and Dominica, West Indies. She completed her Surgical Internship at Carilion Health System, University of Virginia Affiliate Internship/Residency in 2005. In 2007, Dr. Hollinworth completed a Fellowship in Trauma and Critical Care Surgery at University of California San Francisco, University Medical Center, Fresno, CA We are pleased to have her as a part of our team.

Samedyar Durrani, MD

Samedyar Durrani, MDPlease join us in welcoming Samedyar Durrani to our group. Sam completed his Residency and Internship at Mount Carmel Medical Center, Columbus, Ohio in 2010, and his undergraduate work at Ohio State University, Columbus, Ohio, 2001. His professional memberships include the American College of Surgeons, American Medical Association, Ohio State Medical Association and the Columbus Surgical Society

Chester Hayes III, M.S., PA-C

Chester HayesMr. Hayes, our Certified Physician’s Assistant, earned his undergraduate degree from Grand Canyon University in 1994. He completed post-graduate studies at Arizona School of Health Sciences in Phoenix, Arizona to become a Physician’s Assistant in 2003. Mr. Hayes has been working with Valley Surgical Clinics, LTD., since 2006. Mr. Hayes is an active member of the American Academy Of Physician Assistants, Arizona State Academy of Physician Assistants and is the Director of Zeta 21, the Hayes International Leadership Scholarship Foundation. When Mr. Hayes is not is surgery assisting our surgeons, he can be found on the Thunderbird high school basketball court, coaching the boys’ varsity basketball team.

Cynthia J. Shively, MSN, FNP-BC, CNOR, RNFA – Clinical Director

Cynthia ShivelyMs. Shively received her Bachelor’s of Science degree in Nursing from Chamberlain College of Nursing in St. Louis, MO. She obtained her First Assistant certification from Perioperative Associates at Gateway College in 2004. She went on to become Certified Nurse of the Operating Room in 2004. Cynthia completed her Master degree in Nursing with her Family Nurse Practitioner degree from St. Louis College of Nursing. Ms. Shively is an Active member of the Association of Operating Room Nurses, the National Association Orthopedic Nurses, active member of the American Academy and the American College of Nurse Practitioners. Her collaboration with the Arizona Dominican Medical Friends, a non-profit surgical group, provides free surgical care to the indigent of the Dominican Republic and works to promote a mentorship program to the operating room nurses in the Dominican Republic.