WorldDoc aims to provide the most thorough and accurate health information available online. The collective effort of 20 physician authors, representing diverse medical specialties, ensures that we meet this goal. These authors share a dedication to providing members with a better understanding of symptoms, conditions and treatment options. The objective - to improve overall health, encourage wellness, manage chronic health conditions and lower healthcare related costs.
All of our physician authors have:
- Medical Board certification
- Extensive clinical and research experience
- Hundreds of publications in peer-review journals collectively
- University training and affiliations
Content credibility
At the heart of WorldDoc’s consumer care management systems is a wealth of comprehensive content, written and reviewed by the board-certified physicians listed below. The content addresses everything from surgical and office procedures to drug dosages recommended for treating 95 percent of the most common symptoms and conditions.
Photos and illustrations coupled with user-friendly medical writing assure easy readability for WorldDoc users.
Overseeing the review process
Dr. Jay Johnson, WorldDoc’s Chief Medical Officer, leads the editorial board through a rigorous review process that follows evidence-based practice guidelines and national medical guidelines from:
- U.S. Preventive Services Task Force (USPSTF)
- National Guidelines Clearinghouse
- American Medical Association
- American Heart Association
- American Academy of Family Physicians
- and others
The WorldDoc Editorial Board
Cardiology and Editor in Chief
Jay A. Johnson, MD, FACC is a board-certified cardiologist and Attending Staff at Stanford University Medical Center. He completed his Cardiology Fellowship at the University of California, Los Angeles. Dr. Johnson did his residency in Internal Medicine at the University of California, San Francisco after graduating from George Washington University School of Medicine. He is a recipient of the Allie Freed Award for Excellence in Preventive Cardiology.
Dentistry
Craig Rose, DDS is a University of Southern California graduate. He operates a practice in Las Vegas, Nevada.
Diabetology
David K. McCulloch, MD is a graduate and fellow of the United Kingdom’s Royal College of Physicians. Board-certified in internal medicine, Dr. McCulloch practices with the Group Health Cooperative of Puget Sound; He is a recipient of numerous awards and honors in the field; “Seattle Magazine” voted McCulloch one of Seattle’s best doctors. Since 1995, he has consistently been included in “The Best Doctors in America: Pacific Region.”
Family Practice
Timothy Bode, MD is a Tulane University School of Medicine graduate. He completed his internship and residency at University of California, Davis in family practice. Dr. Bode is an Assistant Professor of Family Medicine at the University of Alabama. He also serves as Montgomery Family Medicine Residency Program Director in Montgomery, Alabama.
General Surgery
Arthur A. Fusco, MD, FACS graduated from The George Washington School of Medicine, Washington D.C. Staten Island University Hospital was the site of his internship. Dr. Fusco completed his residency at Mt. Sinai Medical Center, Orlando Regional Medical Center, and Rush-Presbyterian-St. Luke’s Medical Center. He is board-certified in general surgery and practices with General Surgery Associates, Las Vegas, Nevada.
Internal Medicine.
Rahul Singal, MD holds a degree from Stanford University School of Medicine, Palo Alto, California. He completed his residency at Washington University School of Medicine, St. Louis, Missouri. Dr. Singal is President and Chief Executive Officer of WorldDoc, Inc.
Neurology
Gerald W. Dunn, MD holds a degree from University of California at Los Angeles, where he also fulfilled his internship. Dr. Dunn lived in London while completing his residency at Queens Square National Hospital for Nervous Disorders and Mental Diseases. Board-certified by the American Board of Psychiatry and Neurology, Dr. Dunn resides in Las Vegas, Nevada.
Oncology
Phillip Manno, MD is a graduate of American University, Plymouth, Montserrat. He completed his internship and residency in internal medicine at Oakwood Hospital, Dearborn, Michigan, as well as a fellowship in medical oncology at Detroit’s Henry Ford Hospital. Dr. Manno has a subspecialty in hematology/bone marrow transplant from University of Nebraska Medical Center, Omaha. He is partner at Cancer & Blood Specialists, Las Vegas, Nevada.
Ophthalmology
Curtis Manning, MD graduated from Medical College of Wisconsin and completed his residency at Wilford Hall Medical Center, San Antonio, Texas. Board certified in ophthalmology, Dr. Manning practices with Southwest Medical Associates, Las Vegas, Nevada.
Orthopedic Surgery
Vern Prochaska , MD graduated from Creighton University School of Medicine, Omaha, Nebraska where he also completed a general surgery internship. His residency was in orthopedic surgery at Creighton University of Nebraska Health Foundation, Omaha . Board-certified by the American Board of Orthopedic Surgery, Dr. Prochaska is partner of University Orthopedics and UNLV Team Physician, Las Vegas, Nevada.
Mark Sylvain, MD graduated from the University of Nevada School of Medicine. He completed his residency in orthopedic surgery at Detroit Medical Center Wayne State University. Dr. Sylvain completed fellowships in spine surgery and adult joint reconstruction at University of California San Diego.
Otolaryngology
Fred Goll, MD is a graduate of University of Iowa College of Medicine. He completed his internship in general surgery at Iowa Methodist Medical Center. Dr. Goll’s head and neck surgery residency took place at Ohio State University Hospital, Department of Otolaryngology. Board-certified by the American Board of Otolaryngology, Dr. Goll is partner at Ear, Nose & Throat Consultants of Nevada in Las Vegas.
Ashley Sikand, MD, FACS graduated from University of Alberta, Faculty of Medicine. He completed an internship at Misericordia Catholic Hospital, Edmonton, AB, residency at University of British Columbia, Vancouver, B.C., and fellowship at the California Ear Institute, Stanford University School of Medicine, Palo Alto, California. Board-certified by the American Board of Otolaryngology, Dr. Sikand is partner at Las Vegas-based Ear, Nose & Throat Consultants of Nevada.
Pediatrics
David Nelson, MD holds a degree from University of Vermont School of Medicine. He completed his pediatrics residency at the University of California, San Diego. Brown University School of Medicine, Hasbro Children’s Hospital, Providence, Rhode Island was the site of his fellowship. Board-certified in pediatrics and pediatric emergency medicine, Dr. Nelson practices at University Medical Center, Las Vegas, Nevada.
Pediatric Hematology-Oncology
Jerry Reeves, MD is a graduate of Baylor College of Medicine, Houston, Texas. Board-certified in pediatrics, pediatric hematology-oncology, and medical management by the American Academy of Medical Directors, Dr. Reeves is Chairman of WorldDoc.
Podiatry
Gary Chambers DPM, AACFAS graduated from the California College of Podiatric Medicine, completing his residency in reconstructive foot, ankle and leg surgery at Emory Northlake Regional Medical Center. Dr. Chambers practices at Southwest Medical Associates, Las Vegas, Nevada.
Sydney James, DPM holds a degree from the California College of Podiatric Medicine and is Chief of Foot & Ankle Surgery at Southwest Medical Associates, Las Vegas, Nevada.
Psychiatry
Dennis Depry, DO is a graduate of University of Health Sciences, Kansas City, Missouri. The Naval Regional Medical Center in Philadelphia, Pennsylvania was the site of his residency. Board-certified by the American Board of Psychiatry and Neurology, Dr. Depry is Medical Director at Spring Mountain Treatment Center, Las Vegas, Nevada.
Urology
Mark Leo, MD graduated from Pennsylvania State University College of Medicine and completed his residency in urological surgery at the Mayo Clinic, Rochester, Minnesota. Dr. Leo is partner at Urology Specialists of Nevada and has served as Assistant Professor of Urology, University of Nevada School of Medicine, Las Vegas, Nevada.
