Dr. Richard E. Herron

Kathryn Greiner is a primary care provider, practicing in Family Medicine in College Station, Texas. Dr. Greiner is rated as an Advanced provider by MediFind in the treatment of Barrett Esophagus. Her top areas of expertise are Breast Cancer, Type 2 Diabetes (T2D), Familial Hypertension, and Hypertension.

Effective March 17, 2023, Dr. Jacques Mamigonian will no longer be part of the St. Joseph Health Medical Group. To schedule an appointment with one of our other providers, please call (979) 774-2121.Dr. Jacques Mamigonian specializes in Primary Care. He is Board Certified by the American Board of Family Medicine. Dr. Mamigonian attended California State University Northridge, earning a bachelor s degree in Biology and Autonomous University of Guadalajara where he received his M.D. degree. After earning his degree in Guadalajara, Dr. Mamigonian moved to Valhalla, New York, where he completed the Fifth Pathway Program at New York Medical College. He left New York to further his education by completing his residency at Brazos Family Medicine Program. He's been with CHI St. Joseph Health since 2008. Dr. Mamigonian is rated as an Advanced provider by MediFind in the treatment of Barrett Esophagus. His top areas of expertise are Acute Interstitial Pneumonia, Pneumonia, Dementia, and Maturity Onset Diabetes of the Young.

Michael Rzasnicki is a primary care provider, practicing in Family Medicine in Houston, Texas. Dr. Rzasnicki is rated as a Distinguished provider by MediFind in the treatment of Barrett Esophagus. His top areas of expertise are Hypertension, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, Gastrostomy, and Thyroidectomy.