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Danielle Artis, MD
Pediatrics

Miguel A Ayala, MD
Internal Medicine

Cristina Cortez, MD
Family Practice

Jeff Ethridge, MD
Family Practice

David Gomez, PAC
Family Practice

Judith Longworth, APN
Family Practice

Dixie P McCrory, MD
Family Practice

Abel Miranda, PAC
Family Practice

Callie Novosad, PAC
Pediatrics

Paul Z Quesada, MD
Pediatrics

Radames Rodriguez, MD
Internal Medicine

Robert D. Ross, MD
Family Practice/Geriatrics

Michelle Sanchez, PAC
Family Practice

Ninza Sanchez, MD
Internal Medicine

Robert P Trevino, MD
Internal Medicine

Debra Vasquez, MD
Internal Medicine, Hospitalist

Daniel Wood, PAC
Pediatrics



Danielle Artis, MD
Danielle Artis, MD Daniellee Artis M.D. received her medical degree at University of Texas Medical Branch in Galveston, Texas I 2003. Prior to this, she received her bachelor’s degree in biology in 1999 from St. Mary’s University. She completed her pediatric residency at University of Texas at Houston in 2006. She is a member of Texas Medical Association. She has been with South Alamo Medical Group for over a year.

Miguel A Ayala, MD
Miguel Ayala Miguel A. Ayala, M.D specializes in Internal medicine and is certified by the American Board of Internal Medicine. He is a graduate of the Ponce School of Medicine, Puerto Rico. Dr Ayala has been a member of South Alamo Medical Group for six years.

Cristina Cortez, MD
Cristina Cortez
Cristina Cortez M.D. is a 2000 graduate of the University of Texas at Houston Medical School. She completed her residency at Corpus Christi Family Practice Residency Program. Dr. Cortez has been a member of South Alamo Medical Group for 3 years. She is a certified Diplomat of the American Board of Family Medicine.


Jeff Ethridge, MD
Jeff Ethridge Jeff Ethridge is a Texas native and he graduated from Thomas Jefferson High School in Port Arthur. Then he served honorably in the United States Marine Corps. He moved to San Antonio and graduated from the University of Texas at San Antonio cum laude in 1998. He graduated from the University of Texas Medical School at Houston in June 2001. He completed his residency in Family Practice at McClennan Family Practice Center in Waco Texas in July of 2004 and he has been with The South Alamo Medical Group for 4 years.


David Gomez, PA
dgomez David Joseph Gomez PA-C, is a Physicians Assistant and has been in practice for four years. A graduate of the Interservice Physician Assistant Program at Fort Sam Houston and UTHSC at San Antonio, Texas, he is credentialed by the National Commission on Certification of Physician Assistants.


Judith Longworth, APN
Judith Longworth Judy Longworth, RN, FNP-CS, PhD., is a registered nurse (RN) and a family nurse practitioner (FNP), board certified by the American Nurses’ Credentialing Center. She received a bachelor’s degree in nursing science from Michigan State University in 1970. She also earned a master’s degree (1975) and a doctorate degree in nursing science (1991) from Wayne State University, and received her family nursing certification from Indiana University – IUPUI at Indianapolis in 1980. Nurse Longworth has 36 years experience as an RN and 26 years experience as a FNP.


Dixie P McCrory, MD

Dixie McCrory Dixie P.McCrory, M.D., is a family practice physician certified by the American Board of Family Practice. A 1999 graduate of the University of Texas Medical Branch at Galveston, Dr. McCrory has been a member of South Alamo Medical Group for four years.



Abel Miranda, PAC

Abel Miranda Abel Miranda PA-C, is a Physician Assistant. A 2008 graduate of the Physician Assistant Program at the University of Texas Health Science Center at San Antonio, Texas, he is credentialed by the National Commission on Certification of Physician Assistants.


Callie Novosad, PAC

Callie Novosad Callie Novosad is a native San Antonio resident. She received her master’s in Physician Assistant Studies from the University of Texas Health Science Center at San Antonio in May 2007. She has worked in Family Medicine and Pediatrics since graduating. Callie was a Physical Therapist for 10 years before becoming a Physician Assistant and continues to practice in San Antonio and maintain her license. She is a member of the American Academy of Physician Assistants and Texas Academy of Physician Assistants.

Paul Z Quesada, MD
Paul Quezada Dr. Paul Quesada is a graduate of the University of Texas Health Science Center in San Antonio. He completed his pediatric residency in Austin, Texas. He has been with South Alamo Medical Group for seven years.

Radames Rodriguez, MD
Radames Rodriguez Radames Rodriguez M.D. is a 2005 graduate from the University of Puerto Rico School of Medicine. He completed a residency in Internal Medicine at the University of Texas-Houston in 2008. He joined the South Alamo Medical Group shortly following his training.

Robert D Ross, MD
Robert Ross Dr. Robert D. Ross is one of the founders of the South Alamo Medical Group. He attended the Universidad Autonoma de Guadalajara Medical School,  is board certified in Family Medicine and did a 2 year Geriatric Fellowship in Cleveland at Case Western Reserve University.  He has been in private practice in San Antonio since 1989.


Michelle Sanchez, PAC
Michelle Sanchez Michelle Yvonne Sanchez, MPAS, PA-C, is a Physician Assistant board certified. She received her Masters from the University of North Texas Health Science Center in Fort Worth, Tx in 2007. She is a member of the American Academy of Physician Assistants. She is credentialed by the National Commission on Certification of Physician Assistants.

Ninza Sanchez, MD
Ninza Sanchez Ninza A Sanchez MD is a Board Certified Internal Medicine She graduated from UT Health Sciences Center San Antonio Medical School and completed her residency at The University Hospital / Audie Murphy Veterans Hospital in San Antonio.


Robert P Trevino, MD
Robert Trevino Dr. Roberto Treviño is originally from San Antonio, Texas.  He received his medical degree (M.D.) from the National University of Mexico in Mexico City under an exchange scholarship between the United States and Mexico.  He then went to the University of Health Sciences Center in Chicago where he received his residency training in Internal Medicine (1980-1983) and received his fellowship training in Critical Care Medicine (1983-1985) at the Chicago Institute of Critical Care.  Dr Treviño has been awarded 3 National Institute Health grants worth $21 million dollars to disseminate a success school-based diabetes prevention program to schools around the country.


Debra Vasquez, MD, MS
Debra Vasquez Dr. Vasquez received her Doctor of Medicine degree from the University of Texas Medical Branch at Galveston in 2002. She completed her internal medicine residency at Greenville Hospital System in Greenville, SC. Dr. Vasquez is certified by the American Board of Internal Medicine. She holds a Bachelor of Science degree from Trinity University and a Master of Science degree from the University of Texas Medical Branch at Galveston. She is a member of the Texas Medical Association, American College of Physicians and the Society of Hospital Medicine.

Daniel Wood, MPAS, PAC
Daniel Wood Daniel Wood MPAS, PAC is a Physician Assistant, board certified. He received his Masters from the University of Nebraska Medical Center in 2002. Daniel is a past President of the Society for Physician Assistants in Pediatrics. Currently, he serves on the leadership and professional development committee for the American Academy of Physician Assistants. Daniel has spoken on numerous pediatric topics nationally and been published in leading PA journals.

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