Our Clinicians are among the best qualified and dedicated medical professionals practicing today. Please select a specialty below for biographies of LBUCC’s full time physicians:
Dr. Alberto Leon
Dr. Alberto Luis Leon has been a pediatrician for over 35 years and was originally a native of New York City. He graduated cum laude with a Bachelor of Science in Physics from the University of Puerto Rico at the Rio Piedras Campus, with several science minors including Premed. He trained at the University of Puerto Rico School of Medicine, and his residency was at the San Juan City Hospital. Dr. Leon has worked in Florida with the Farm Workers Health Association, helping to develop pediatric care in multiple clinics with an award for excellence in care for the medically undeserved, including migrant farm workers. Dr. Leon worked as a civilian with the Navy for over 17 years in Jacksonville, Florida and was senior Pediatrician of the Mayport Clinic before coming to Dallas. He is licensed by the Texas and Florida Medical Boards. Dr. Leon is father to three daughters and three grandchildren (so far!) and takes pride in serving the LBUCC family.
Dr. Mayra Nieves-Ríos
Dr. Mayra Nieves-Ríos has been practicing pediatric medicine for over a decade and is a Fellow of the American Academy of Pediatrics. She has a Bachelor of Science Degree in Biology from the University of Puerto Rico. She completed her medical degree at Ponce School of Medicine in Puerto Rico, and her Pediatric Residency and Internship programs at the University Pediatric Hospital in Puerto Rico.
Dr. Nieves-Ríos was born in New York City. She spent most of her childhood in Puerto Rico and is fluent in Spanish. She is certified by the American Board of Pediatrics and is licensed by the Texas and Florida Medical Boards.
Dr. Phuong Nguyen
Dr. Phuong Ngoc Nguyen was born in Vietnam. She immigrated to United States when she was 7 years old and resided in Virginia Beach, Virginia. She graduated Cum Laude with a Bachelor of Science in Biology from Virginia Commonwealth University. She received her medical degree from Ross University School of Medicine and completed her pediatric residency in central New York at Albany Medical Center. Dr. Nguyen is licensed by the Texas Medical Board, is board certified by the American Board of Pediatrics, and is a Fellow of the American Academy of Pediatrics.
Dr. Norris Payne
Originally from Oklahoma, Dr. Norris Payne is a seasoned pediatrician who earned his medical degree from UT Southwestern Medical School in Dallas. Dr. Payne completed his pediatric residency at Baylor College of Medicine in the Houston Texas Medical Center where he enjoyed practicing pediatrics for over twenty years. Dr. Payne also served as a clinical professor of pediatrics at Texas Children’s Hospital where he worked closely with medical students, residents and pediatric specialists. Dr. Payne relocated to the Dallas Fort Worth area in recent years to continue the practice of pediatrics at Los Barrios Unidos Community Clinic, working alongside a team with of outstanding professionals to provide comprehensive and compassionate care to children the clinic is so honored to serve. Dr. Payne is a Fellow of the American Academy of Pediatrics, the Texas Medical Association and the Dallas Medical Society. Other interests include his beloved family, spouse, philosophy, spirituality, writing, gardening and art. He has also received the Best Doctors in America award annually for the last ten years.
Dr. Gerhard Gruschkus
Dr. Gerhard Gruschkus completed his undergraduate in chemistry with honors from the University of Texas in Austin and received his Medical Doctorate from the University of Texas Southwestern in Dallas. He completed his internship and residency in Internal Medicine at the Fitzsimons Army Medical Center in Denver, Colorado. Dr. Gruschkus retired from the army in 1987 with the rank of colonel.
He is licensed with the Texas State Board of Medical Examiners and Diplomat certified by the American Board of Internal Medicine. Dr. Gruschkus speaks German and has been practicing medicine for over 30 years.
Jhudy Mohan, DNP, RN, MSN, CCRN, FNP-C
Jhudy Mohan, DNP, RN, MSN, CCRN, FNP-C received her Bachelor of Science in Nursing from the College of Nursing in Indore, M.P. India and her Doctor of Nursing Practice from the University of South Alabama. She completed the Family Nurse Practitioner Program at the Texas Tech University Health Science Center with a Masters of Science in Nursing. She is a licensed family nurse practitioner as well as registered nurse in the state of Texas and holds certifications in basic life support, advanced care life support, and is certified as a critical care nurse.
She is a member of the American Academy of Nurse Practitioners, Texas Nurse Practitioners, North Texas Nurse Practitioners, and the American Association of Critical Care Nursing.
Dr. Lavanya Gopalakrishnan (Dr. Gopal)
Dr. Gopal completed her bachelor’s degree in English language from the Stella Maris College, Madras (Chennai), India, and then her medical education from the Kilpauk Medical College in the same city. After graduation from medical school, she served as an active duty medical officer in the Indian Navy.
She underwent the Internship and residency training in Family Medicine from the Forest Park Hospital, Saint Louis, MO and was also the Chief Resident. She was the Chief Medical Officer in a FQHC in Lake City, FL between 2005 and 2013. Board Certified with the American Board of Family Medicine (ABFM) in 2005 and ABFM recertified in 2014. She is a member of the American Academy of Family Physicians (AAFP) and the American Medical Association (AMA).
Dr. Janai Okorodudu
Dr. Janai Okorodudu received a Bachelor of Science degree in Biology from the University of Missouri in Columbia. She then received her medical degree from Meharry Medical College in Nashville, TN. Afterwards, she completed residency in Family Medicine at University of North Carolina in Chapel Hill. She enjoys all aspects of Family Medicine but her particular passions are in Pediatrics and Women’s Health. She is a member of American Academy of Family Physicians and certified by the American Board of Family Medicine. She also has a working fluency in Spanish. Dr. Okorodudu resides in the Dallas area with her husband, Dale, and their two children, and two dogs.
Dr. Zareen Tasneem
Dr. Zareen Tasneem was born in Pakistan where she received her degree in Medicine and Surgery from Karachi Medical and Dental College-University of Karachi, Pakistan. She completed an internship and residency in internal medicine and surgery at Aga Khan University and Hospital in Karachi, Pakistan, and a residency in family medicine at Wyckoff Heights Medical Center in Brooklyn, New York, where she was selected as Star Employee of the Year and Chief Resident. Dr. Tasneem holds certifications in pediatric advanced life support, basic life support, advanced cardiovascular life support, and is certified by the Educational Commission for Foreign Medical Graduates and the American Board of Family Medicine.
Dr. Tasneem is a published physician, fluent in English, Urdu, Hindi, Punjabi, and has a working fluency in Spanish. She is also a member of The American Academy of Family Physicians and the American Medical Association.
Dr. Roberto Rodriguez
Dr. Roberto Rodriguez is the family practice physician at LBUCC’s satellite clinic, the Grand Prairie Community Health Center. Dr. Rodriguez received his undergraduate degree at the University of Texas in Austin and his medical degree from Michigan State University College of Human Medicine in East Lansing, Michigan. Dr. Rodriguez completed his residency in family practice at Northwest Texas Hospital in Amarillo, Texas.
Pat Harris, DDS
Dr. Pat Harris has been providing dental services at Los Barrios for over 20 years and has been the Dental Director at LBUCC since 1992. Dr. Harris earned his DDS from the University of Texas Dental Branch at the University of Texas Health Science Center in Houston, Texas. He is a member of the National Network for Oral Health Access, the National Association of Community Health Centers, and a National Health Service Corps Alumnus.
Shirley Vinson, RDH
Shirley Vinson, RDH, received a degree in Dental Hygiene from the Medical College of Georgia in Augusta Georgia. She has worked at Los Barrios Unidos Community Clinic for over 20 years and speaks some Spanish.
Silvia Urueta, WHNP
Silvia Urueta is a Women’s Health Nurse Practitioner and has been providing prenatal care at Los Barrios Unidos for over 16 years. She received her Bachelor of Science in Nursing degree from the University of Texas at El Paso and her Master of Science in Nursing degree from the University of Texas in Arlington.
She is a member of the National Association of Nurse Practitioners in Women’s Health, is certified by the National Certification Corporation, and is licensed by the Texas Board of Nurse Examiners.
Dr. Sandra Lozano
Dr. Lozano grew up in Oak Cliff and graduated from Sunset High School. She completed her undergraduate degree in Biology from the University of North Texas, receiving her medical degree Cum Laude from The Universidad Autonoma de Guadalajara Medical School and New York Medical College. She completed her Obstetrics and Gynecology Residency as Chief Resident at Dallas Methodist Hospital. She is an active member of the American College of Obstetricians and Gynecologists, the Texas Medical Association and the Dallas County Medical Society. Dr. Lozano serves women in need through her clinical work with the Dallas County Medical Society Project Access. She volunteers once a month at the City Square providing pro bono GYN services.
Dr. Rochelle McKown
Dr. McKown is a graduate of Texas Tech University and Texas Tech University Health Sciences Center. She completed her OB-GYN residency at Louisiana State University in Shreveport. She has been certified by the American Board of Obstetrics and Gynecology since 1990, and currently also serves as clinical faculty with the Department of Medical Education obstetrics and gynecology residency program at Methodist Dallas Medical Center.