Regional Directors

		Mark Alderdice, M.D., has been a CEP partner since 1997. Prior to joining CEP he served as Regional Director for another Emergency Medicine group. Dr. Alderdice did his undergraduate studies at UC Berkeley, where he majored in Nutritional Sciences and Biochemistry. He earned his medical degree from the University of California, Davis and completed an internship and residency in Family Practice at a UC San Francisco affiliated program. He has practiced Emergency Medicine for his entire professional career. Dr. Alderdice is a Diplomate of the Board of Certification in Emergency Medicine, and a member of the San Francisco Medical Society. Born and raised in San Francisco and Daly City, Dr. Alderdice enjoys practicing close to his ‘roots’. He lives in Inverness, California.
		Dan Culhane, M.D., is Regional Director of Central California and has been a CEP Partner since 2000. Prior to serving as Regional Director, Dr. Culhane was Medical Director at Arroyo Grande Community Hospital, Arroyo Grande, California and French Hospital Medical Center, San Luis Obispo, California. He is board certified in Emergency Medicine and a Fellow of the American College of Emergency Physicians. Dr. Culhane received a Bachelor of Science in Biochemistry and Molecular Biology from the University of California, Santa Barbara and earned his medical degree at the University of California, Los Angeles. He completed his residency in Emergency Medicine at the University of California, San Francisco - San Joaquin Valley Campus. Dr. Culhane is Chairman of the Arroyo Grande Community Hospital Quality Council and serves on the Medical Executive Committee. He is also the Chair of the Department of Medicine at French Hospital Medical Center and a member of the EMS Operations Committee.
		John Fredericks, M.D., is Regional Director of the San Diego, Imperial, and Georgia regions. He is also a staff physician at the Palomar Medical Center and Pomerado Hospital Emergency Departments. Dr. Fredericks is a Diplomate of the American Board of Internal Medicine, a Diplomate of the American Board of Emergency Medicine, and a Fellow of the American College of Emergency Physicians. He is also a member of San Diego County Medical Society and the California Medical Association. He holds a Bachelor of Arts in Biology from the University of California, San Diego and a medical degree from the University of California, Irvine. Dr. Fredericks completed his internship and residency in Internal Medicine at the University of California, Irvine, Medical Center. In 2005, CEP honored him with the prestigious distinction of Master Clinician.
		David Hunter, M.D., is Regional Director of the Central Valley/San Jose. He practices in the Emergency Department at Regional Medical Center of San Jose. Dr. Hunter is a member of the Alpha Omega Alpha Honorary Medical Society, Santa Clara County Medical Association, and the California Medical Association. He is also a Fellow of the American College of Emergency Physicians and a Diplomate of the American Board of Emergency Medicine. He received his bachelor's degrees in Biology and Literature from North Dakota State University and his medical degree from the University of Minnesota. Dr. Hunter completed an internship and residency at Santa Clara Valley Medical Center in San Jose.
		Martin Ogle, M.D., is Regional Director of LA/Orange/Riverside County and Oregon. He practices at Saddleback Memorial Medical Center’s Emergency Department. Dr. Ogle is a member of the Society of Orange County Emergency Physicians, the California Medical Association, the Orange County Medical Association, and the American College of Emergency Physicians, California Chapter. Dr. Ogle is a Fellow of the American College of Emergency Physicians and a Diplomate of the American Board of Emergency Medicine. He holds a Bachelor of Arts degree from Washington University in St. Louis, Missouri, and a medical degree from the University of Iowa College of Medicine. Dr. Ogle completed a residency in Emergency Medicine at the University of Arizona Health Sciences Center.
		Michael Sequeira, M.D., is Regional Director of the Inland Empire and Arizona. He practices at San Gorgonio Memorial Hospital, Redlands Community Hospital, and St. Bernardine’s Medical Center. Dr. Sequeira is a Fellow of the American College of Emergency Physicians, and a Diplomate of the American Board of Emergency Medicine, the American Board of Internal Medicine, and the National Board of Medical Examiners. He received a Bachelor of Arts in Zoology from Pomona College in Claremont, California, where he graduated Summa Cum Laude. He earned his medical degree from the University of California, San Diego. Dr. Sequeira completed residencies in Internal and Emergency Medicine at the University of Oregon Health Sciences Center. One of his areas of expertise is the Rapid Medical Evaluation (RME). Finally, Dr. Sequeira has been awarded the prestigious distinction of Master Clinician by CEP.
		Ellis Weeker, M.D., is a founding Partner of CEP and has served on the Board of Directors from the beginning. He is Regional Director of the South and East Bay/Northern California and a staff physician in the Emergency Department at Good Samaritan Hospital. Dr. Weeker is also a member of the Santa Clara County Medical Association. He received a Bachelor of Science from Tulane University and his medical degree from Louisiana State University Medical School in New Orleans. He completed his residency in Internal Medicine at Kaiser Foundation Hospital in Oakland. He is a Diplomate of the American Board of Emergency Medicine and a Fellow of the American College of Emergency Physicians. Dr. Weeker was also a recipient of CEP's 2005 Stewardship Award.