Our Providers   All of our doctors are board certified in OB/GYN and are fluent in Spanish.   "The two most rewarding things in our practice have been the long-term relationships we establish with our patients and the ability to make a difference in their overall health."

Steven Rosenfeld, M.D.  Board Certified   A native New Yorker and founder of El Rio OB/GYN Associates, he attended NYU for his undergraduate degree in biology, fine arts and Spanish. In 1984, he graduated from New York Medical College and completed his residency at St. Barnabas Medical Center in Livingston, New Jersey in 1988. He is an expert skier and enjoys playing roller hockey. Dr. Rosenfeld has been married to Jill since 1984. Art collecting, music and travel are some their favorite activities. They have three children.

Gerardo "Jerry" Carlos, M.D., R. Ph. Board Certified   Also one of the group's founders and a native Arizonan, having grown up in Nogales. He obtained his pharmacy degree at University of Arizona and is a die-hard Wildcat fan. He graduated from the Medical College of Wisconsin in 1984 and completed his residency at Maricopa Medical Center in Phoenix in 1988. Dr. Carlos is a talented percussionist and plays in several local Tucson bands. He also has a special interest in computers. He and Kathy, a former L&D nurse, married in 1988 and have three daughters.

Jose A. Rios, M.D.  Board Certified   Dr. Rios was born in Michoacan, Mexico, and lived most of his life in Santa Barbara, California. He attended UC Santa Barbara for his undergraduate degree and graduated in 1989 from the University of California at San Diego School of Medicine. After completing his residency at the University of Arizona, he joined El Rio OB/GYN Associates in 1993. He is an avid hiker and especially enjoys extreme hiking in the Grand Canyon. He also loves good food, music and spending time with friends and family. He has been married to Alicia since 1981, and they have two daughters.

J. Manuel Arreguin, M.D.  Board Certified   A native Californian, who grew up in Los Angeles, he is a UCLA Bruin through and through. He obtained both his undergraduate and medical degrees from The University of California at Los Angeles . He also completed his residency training at UCLA. He practiced medicine in Nogales, Arizona for several years before joining El Rio OB/GYN Associates in 1995. Dr. Arreguin is a very accomplished pianist and has played in several local bands. He also enjoys camping, traveling and playing basketball. He is married to Roxanne, and they have three children.

Annette Hernandez-Parkhurst, M.D.    Dr. Hernandez was born and raised in Tucson . She graduated from Sunnyside High School and went on to continue her education at the University of Arizona, receiving a degree in dietetics. She spent four years in the Army as a dietician and achieved the rank of captain. She returned to the U of A to obtain her medical degree, and completed her residency training in San Antonio at the University of Texas Health Sciences Center. She enjoys cooking and spending time with her family and friends. She is married to Eric and they have three children.

Lili A.C. Jordan, M.D., M.P.H.   Dr. Jordan joined our practice in 2006, after being in practice in Northern California for 4 years. She was raised in Naples, Florida and graduated from the University of Florida, College of Medicine. She completed her residency at the Washington Hospital Center in Washington, D.C. She enjoys hiking and gardening. She is married to Eugene and they are currently expecting the arrival of their first baby in January of 2008.

Maggie Jackman - Nurse Practitioner   Born and raised in Detroit, Michigan. Attended The University of Detroit and received a Bachlor of Arts, majoring in Psychology and a Certificate in Business. Then attended The University of Detroit Mercy and received a Bachlor of Science in Nursing. Worked for Grace Hospital within the DMC for 7 years in Labor and Delivery. Then left to do traveling nursing. Returned to school in 2000 to earn Nurse Practitioner degree from the Women Health Care Nurse Practitioner Program at Harbor UCLA. Worked at UCLA Medical Center while completing the program and earning a masters degree in nursing from California State University Long Beach. Moved to Tucson in April of 2003. She is a single mother with two beautiful children.

Nursing Staff: Maria Bustamante LPN Has been with El Rio OB/GYN for 17 years.

Toni Jenkins LPN Has been with El Rio OB/GYN for 4 years.

Celia Trujillo LPN Has been with El Rio OB/GYN for 14 years.

Veronica Montano M.A. Has been with El Rio OB/GYN for 5 years.

Maria A. Ramirez M.A. Has been with El Rio OB/GYN for one year.

Jeanette Moreno M.A. Joined our practice in June 2007.