Insurance Accepted: 6 Degrees - Transplant; 90 Degree Benefits - Third Party Administrator; Administrative Concepts - Third Party Administrator; Aetna (Coventry) - Work Comp/Auto; Aetna Better Health - CHIP/CHIP Perinate Newborn; Aetna Better Health - Medicaid STAR; Aetna Health - Commercial (Choice POS II, Elect Choice EPO, Exchange (Silver/Gold HMO)); Aetna Health - Commercial (HMO, Managed Choice POS, Meritain, Open Choice PPO); Aetna Health - Commercial (QPOS, SAISD, Select); Aetna Health - Medicaid Dual Preferred (HMO D-SNP); Aetna Health - Medicare Advantage (Eagle PPO, Freedom PPO, Premier HMO, Prime HMO, Value Plus PPO); Aetna Health - Transplant ONLY; Allegiance - Universal Benefits Consortium; Allied Benefit Systems - Third Party Administrator; Allwell (Superior HealthPlan) - Medicare Advantage; Ancira Enterprises - Direct Employer; Benefit Administrative Systems - Third Party Administrator; BlueCross BlueShield (Federal Programs) - Commercial (Federal - All Products); BlueCross BlueShield (Out-of-State) - Commercial (Out of State - Blue Card Program Only); BlueCross BlueShield of Texas - Commercial (Blue Premier HMO, Blue Choice PPO); BlueCross BlueShield of Texas - Commercial (CHIP, Blue Advantagage HMO, Blue Essentials HMO); BlueCross BlueShield of Texas - Commercial (ERS, TRS, State of TX Employees); BlueCross BlueShield of Texas - HPN/EPO (Narrow Network); BlueCross BlueShield of Texas - Medicaid (STAR, STAR Kids, STAR PLUS); BlueCross BlueShield of Texas - Medicare Advantage (HMO, PPO); BlueCross BlueShield of Texas - Medicare-Medicaid Dual Eligible Plans; BlueCross BlueShield of Texas - Traditional/Par Network; BlueCross BlueShield of Texas - Transplant Network; Care Improvement Plus - Medicare Advantage (Special Needs Plan); Century Healthcare - Third Party Administrator; CHAMPVA - Governmental; Cigna - Employer Specific Network (United Benefits Consortium); Cigna - Employer Specific Network (USAA Employees & Dependents Only); Cigna Health Spring - Medicare Advantage (WellMed); Community First Health Plans - CHIP/CHIP Perinate Newborn; Community First Health Plans - Commercial (HMO, Exchange); Community First Health Plans - Medicaid (STAR, STAR Kids, STAR PLUS); Community First Health Plans - Medicare Advantage (HMO); Community First Health Plans - University Family Care Plan; Curative - Commercial (All Products); Driscoll Health Plan - Medicaid (All products); EBSO Benefits - Third Party Administrator; El Paso Health - CHIP; El Paso Health - Medicaid STAR; Employers Health Network - Commerical (PPO); Entrust - Third Party Administrator; First Health - Commercial (All Products); FirstCare (Part of Baylor Scott & White) - Medicaid-STAR; Galaxy Health Network - Commercial (All products); Gilsbar - Third Party Administrator; Group and Pension Administrators - Third Party Administrator; HealthSmart (Accel) - Commercial (All products); HMA LLC - Third Party Administrator; Humana - Medicare Advantage (HMO, PPO, WellMed); Humana - Transplant Network; Humana Military - TRICARE East Region; Imagine 360 - Third Party Administrator; Imperial Health - Commercial (Exchange); Imperial Health Plan - Medicare Advantage; Independent Medical Systems - Commercial (PPO); Independent Medical Systems - Workers Compensation; Injury Management Organization - Workers Compensation; Interlink - Transplant Network; International Benefits Administrators - Third Party Administrator; Kempton Group Administrators - Third Party Administrator; Key Benefits Administrators - Third Party Administrator; LifeTrac - Transplant Network; Lucent Health - Third Party Administrator; Medicaid (Traditional) - Medicaid/Medicare; Molina Healthcare - CHIP/CHIP Perinate; Molina Healthcare - Commercial (Exchange); Molina Healthcare - Medicaid (STAR, STAR Kids, STAR PLUS); Molina Healthcare - Medicare Advantage; Molina Healthcare - Medicare-Medicaid Dual Eligible Plans; MultiPlan - Commercial (All products); OptumHealth - Transplant Network; Oscar - Commercial Exchange; Point Comfort Underwriters - Refugee Medical Assistance (Adults, Children); Prime Health Services - Commercial (PPO); Prime Health Services - Medicare Advantage (All Products); Prime Health Services - Workers Compensation; Private Healthcare Systems - Commercial (All Products); ProCare Advantage - Medicare Advantage (Special Needs Plan); Provider Network of America - Commercial (All Products); Provider Partners Health Plan - Medicare Advantage (Special Needs Plan); SANA Benefits - Commercial (All Products); Scott & White Health Plan - Commercial (Exchange, HMO, PPO); Scott & White Health Plan - Medicaid/Medicare Advantage (All Products); Superior HealthPlan - CHIP/CHIP Perinate; Superior HealthPlan - Medicaid (STAR, STAR Health Foster Care, STAR Kids, STAR PLUS); Superior HealthPlan - Medicare-Medicaid Dual Eligible Plans; Surest (United Healthcare) - Commercial (All Products); Texas Independence Health Plan - Medicare Advantage (Special Needs Plan); Three Rivers Provider Network (Contigo) - Commercial (PPO); Tokio Marine - Transplant Network; TriWest - TRICARE West Region; TriWest - VA Community Care Network; Trustmark Benefits (f/k/a CoreSource) - Third Party Administrator; UnitedHealthcare - Commercial (Charter EPO/HMO/POS); UnitedHealthcare - Commercial (Choice Plus POS/PPO/Choice Plus-HAS); UnitedHealthcare - Commercial (Compass EPO/HMO/POS); UnitedHealthcare - Commercial (Core and Core Choice Plus EPO/HMO); UnitedHealthcare - Commercial (Doctors Plan EPO/HMO/POS); UnitedHealthcare - Commercial (Heritage EPO/HMO/POS); UnitedHealthcare - Commercial (Indemnity); UnitedHealthcare - Commercial (Navigate EPO/HMO/POS); UnitedHealthcare - Commercial (Nexus ACO/EPO/HMO/POS); UnitedHealthcare - Commercial (PPO); UnitedHealthcare - Commercial (Select EPO/HMO/POS); UnitedHealthcare - Commercial (Select Plus EPO/HMO/POS); UnitedHealthcare - Medicare Advantage (AARP Plans, Complete Care Plans, Erickson Advantage Plans); UnitedHealthcare - Medicare Advantage (UnitedHealthcare Group Plans, WellMed); UnitedHealthcare Community Plan - CHIP/CHIP Perinate; UnitedHealthcare Community Plan - Medicaid (STAR, STAR Kids, STAR PLUS); UnitedHealthcare Community Plan - Medicare-Medicaid Dual Eligible Plans; Universal Benefits Consortium (Allegiance) - Direct Contract with TPA/Broker for select ISDs; University of Incarnate Word - Direct Contact with Employer; Velocity National Provider Network - Commercial (Multiple Payers); Velocity National Provider Network - Commercial (PPO); Veterans Administration - Governmental; WebTPA - Third Party Administrator; WellCare - Medicare Advantage; WellMed (Gonzaba Medical Group IPA) - Medicare Advantage (Transplant Only); WellMed - Medicare Advantage (Cigna HealthSpring, Humana, United Healthcare, WellPoint); WellPoint (Gonzaba) - Medicare Advantage (TRANSPLANTS ONLY); WellPoint - CHIP/CHIP Perinate; WellPoint - Commercial (Exchange); WellPoint - Medicaid (STAR, STAR Kids, STAR PLUS); WellPoint - Medicare Advantage (All Products); WellPoint - Medicare Advantage (Transplant Only); WellPoint - Medicare Advantage (WellMed); WellPoint - Medicare-Medicaid Dual Eligible Plans; Zelis - Third Party Administrator

Please contact your health insurance company to confirm provider participation. For billing and insurance questions, please call our Billing Department at 210-358-3260.

I am the surgical director of renal transplantation and a professor of surgery at UT Health. I specialize in adult and pediatric kidney and liver transplant surgery.

Awards & Recognition

Joan Wish Endowed Professorship in Transplant Surgery

Abstracts

Paez AM, Kamath S, Casiraghi F, Davalli AM, Abrahamian G, Ricotti A, La Rosa S, Comuzzie A, Marando A, Finzi G, Dick E, De Fronzo R, Halff G, Folli F. Chronic exenatide infusion increases insulin sensitivity, decreases insulin secretion and stimulates Islet Cell Proliferation in partially Pancreatectomized Baboons 2012. (Diabetologia; vol. 55).
Kamath S, Chavez AO, Casiraghi F, Cline G, Davalli A, Halff G, Abrahamian G, Bastarrachea R, Comuzzie A, Gastaldelli A., Federici M, Marzano V, Urbani A, De Fronzo RA, Folli, F. Critical role of triglycerides and long chain fatty acyl Coa accumulation in liver insulin resistance in the baboon. a new non-human primate model of NAFLD 2011. p. 499-499. (Journal of Hepatology; vol. 54).
Casiraghi F, Chavez AO, Davalli A, Abrahamian GA, Gastaldelli A, Bastarrachea R,Kamath S, Petz R, Zou P,Higgins P,Chang Z, Comuzzie A, Halff G, RALPH DeFronzo RA, Folli F. Effect of Continuous Exenatide Infusion on Insulin Action and Secretion in Partially Pancreatectomized Baboons 2011 Jan. (Diabetes; vol. Supp, no. 1).
Washburn WK, Speeg KV, Guerrero JA, Havranek R, Esterl RM, Abrahamian GA, Cigarroa FG, Halff GA. MELD: Impact of Hepatocellular Carcinoma on the Adult Liver Transplant Waiting List 2003. p. 374A. (Hepatology; vol. 38).
Pollack MS, Speeg KV, Nolan III CR, Washburn WK, Esterl RM, Abrahamian GA, Halff GA. Successful Combined Liver/Kidney Transplantation in Highly Sensitized, Crossmatch Positive Patients. 2002 Oct. p. S74. (Human Immunology; vol. 63, no. 10).

Book Chapters

Jay CL, Abrahamian GA, Edwards AR. Care of the Pancreas Transplant Recipient (in press) In: Irwin and Rippes Intensive Care Medicine, 8th Edition (in press). Lippincott Williams & Wilkins Health; 2015.
Abrahamian GA. Care of the Pancreas Transplant Recipient In: Irwin RS, Rippe JM. Intensive Care Medicine. Philadelphia: Lippincott; 2012.
Abrahamian GA. Diagnosis and Treatment of Variceal Hemorrhage due to Cirrhosis. In: Esterl RM Speeg KV Abrahamian GA. Acute Care Surgery and Trauma: Evidenced Based Practice. UK: Informa Healthcare, UK, Ltd.; 2009. p. 406 - 414.
Abrahamian GA, Esterl RM. Renal Transplantation. In: Essential Emergency Medicine for the Healthcare Practitioner. Philadelphia, PA: Saunders; 2007.
Abrahamian GA, Cosimi, AB. Antithymocyte globulin and monoclonal antibodies. In: Morris,P.j.(ed):Kidney Transplantation, 5th edition. Philadelphia: W.B. Saunders; 2001.

Journal Articles

Jay C, Pugh J, Halff G, Abrahamian G, Cigarroa F, Washburn K. Graft quality matters: Survival after simultaneous liver-kidney transplant according to KDPI Clinical Transplantation 2017 Mar.
Fiorentino TV, Owston M, Abrahamian G, La Rosa S, Marando A, Perego C, Di Cairano ES, Finzi G, Capella C, Sessa F, Casirahi F, Paez An, Adivi A, Davalli A, Fiorina P, Mendoza RG, Comuzzie AG, DeFronzo RA, Halff G, Dick EJ, Folli F. Chronic continuous exenatide infusion does not cause pancreatic inflammation and ductal hyperplasia in non-human primates (Baboons: Papio Hamadryas) Am J Pathology 2015 Jan;185:139-150.
Casiraghi F, Chavez AO, Davalli AM, Abrahamian GA, Gastaldelli A, Bastarrachea RA, Kamath S, Petz R, Zuo P, Ricotti A, Higgins PB, Comuzzie A, Halff GA, DeFronzo RA, Folli F. Continuous exenatide infusion markedly improves insulin sensitivity and disposition index in partially pancreatectomized baboons Diabetologia 2011;54:S213-S214.
Kamath S, Chavez AO, Gastaldelli A, Casiraghi F, Halff GA, Abrahamian GA, Davalli AM, Bastarrachea RA, Comuzzie AG, Guardado-Mendoza R, Jimenez-Ceja LM, Mattern V, Paez AM, Ricotti A, Tejero ME, Higgins PB, Rodriguez-Sanchez IP, Tripathy D, Defronzo RA, Dick EJ, Cline GW, Folli F. Coordinated defects in hepatic long chain Fatty Acid metabolism and triglyceride accumulation contribute to insulin resistance in non-human primates. PLoS One 2011 Nov;6(11):27617-27617.
Folli F, Casiraghi F, Davalli AM, Kamath S, Ricotti A, Chang Z, Gastaldelli A, Abrahamian GA, Halff GA, Defronzo RA, Chavez AO. Insulin sensitivity, beta cell function and subclinical inflammation in the baboon, a non human primate model of insulin resistance, obesity and type 2 diabetes. Diabetologia 2011;54(Suppl):S272-S273.
Tuder D, Pederson WC, Abrahamian GA, Ingari JV, Bagg MC, Person DW, Martyak GG. San Antonio military and civilian hand transplantation program: a case report. Transplant Proc 2011 Nov;43(9):3561-3562.
Nadazdin O, Abrahamian G, Boskovic S, Smith RN, Schoenfeld DA, Madsen JC, Colvin RB, Sachs DH, Cosimi AB, Kawai T, Abrahamian GA. Stem Cell Mobilization and Collection for Induction of Mixed Chimerism and Renal Allograft Tolerance in Cynomolgus Monkeys. J Surg Res 2010 Mar.
Cornejo A, Bohnenblust M, Harris C, Abrahamian GA. Intestinal perforation associated with rituximab therapy for post-transplant lymphoproliferative disorder after liver transplantation. Cancer Chemother Pharmacol 2009 Sep;64(4):857-860.
Sharron JA, Esterl RM, Washburn WK, Abrahamian GA. Surgical Treatment of an Extrarenal Pseudoaneurysm After Kidney Transplantation. Vasc Endovascular Surg 2009 Feb.
Sogawa H, Boskovic S, Nadazdin O, Abrahamian G, Colvin ROBERT, Sachs DAVID, Cosimi A, Kawai T, Abrahamian GA. Limited Efficacy and Unacceptable Toxicity of Cyclophosphamide for the Induction of Mixed Chimerism and Renal Allograft Tolerance in Cynomolgus Monkeys. Transplantation 2008 Aug;86(4):615-619.
Pollack MS, Speeg KV, Callander NS, Freytes CO, Espinoza AA, Esterl RM, Abrahamian GA, Washburn WK, Halff GA. Severe, late-onset graft-versus-host disease in a liver transplant recipient documented by chimerism analysis. Hum Immunol 2005 Jan;66(1):28-31.
Kawai, T., Sogawa, H., Boskovic, S., Abrahamian GA, Smith, R.N., Wee, S.L., Andrews, D., Nadazdin, O., Koyama, I., Sykes, M., Winn, H.J., Colvin, R.B., Sachs, D.H., Cosimi, A.B. CD154 blockade for induction of mixed chimerism and prolonged renal allograft survival in nonhuman primates. American Journal of Transplantation 2004 Sep;4(0):1391-1398.
Halff G, Speeg KV, Washburn K, Esterl R, Abrahamian G, Mejia A, Nichols L, Neigut D, Dodd G, Cigarroa F, Abrahamian GA. Liver transplantation at the University of Texas Health Science Center/University Hospital in San Antonio. Clin Transpl 2003 Jan:247-253.
Jones WT, Ratner I, Abrahamian G, Washburn WK, Esterl R, Neigut D, Halff G. Use of a SILASTIC Silo for Closure of the Abdominal Wall in a Pediatric Patient Receiving a Cadaveric Split Liver. J Pediatric Surgery 2003 Oct;38(10):E20-22.
Kawai,T., Cosimi,A.B., Wee,S.L., Houser,S., Andrew,D., Sogawa,H., Phelan,J., Boskovic,S., Nadazdin,O., Abrahamian GA, Colvin,R.B., Sach,D.H., Madsen,J.C. Effect of mixed hematopoietic chimerism on cardiac allograft survival in cynomolgus monkeys. Transplantation 2002 Jan;73(11):1757-1764.
Bingener-Casey J, Esterl RM, Kenneth Washburn W, Cigarroa FG, Abrahamian GA, Halff GA. Tc-99m-labeled Red Blood Cell Scanning Localizes Anastomotic Hemorrhage Between the Distal Ileum and Duodenal Stump of an Enteric-drained Pancreas Transplant. Clin Nucl Med 2002 Mar;27(3):205-206.
Kawai,T., Abrahamian GA, Sogawa,H., Wee,S., Boskovic,S., Andrew,D., Nadazdin,O., Mauiyyedi,S., Weymouth,D., Ko,D., Colvin,R., Sach,D.H., Madsen, J.C. Co-stimulatory blockade for induction of mixed chimerism and renal allograft tolerance in nonhuman primates Transplant Proc 2001 Jan;31(1-2):221-222.
Sogawa,H., Kawai,T., Wee,S.L., Boskovic,S., Nadazdin,O., Phelan,J., Abrahamian GA, Ko, D.S., Hong,H., Mauiyyedi,S., Colvin,R.B., Sachs,D.H.,Cosimi,A.B. Comparison of horse antithymocyte globulin with other T cell-depleting antibodies for induction of chimerism and renal allograft tolerance in non-human primates Transplant Proc 2001 Jan;33(1-2):116-117.
Kawai,T., Wee,S.L., Bazin,H., Latinne,D., Phelan,J., Boskovic,S., Ko,D.S., Hong,H.Z., Mauiyyedi,S., Nadazdin,O., Abrahamian GA, Preffer,F., Colvin,R.B., Sachs,D.H., Cosimi,A.B. Association of natural killer cell depletion with induction of mixed chimerism and allograft tolerance in non-human primates. Transplantation 2000 Jan;70(2):368-374.
Abrahamian GA, Cosimi AB, Farrell ML, Schoenfeld DA, Chung RT, Pascual M. Prevalence of hepatitis C virus-associated mixed cryoglobulinemia after liver transplantation. Liver Transpl 2000 Mar;6(2):185-190.
Kawai, T., Poncelet, A., Sachs, D.H., Mauiyyedi, S., Boskovic, S., Wee, S.L., Ko, D.S., Bartholomew, A., Kimikawa, M., Hong, H.Z., Abrahamian GA, Colvin, R. B., Cosimi, A.B. Long-term outcome and alloantibody production in a non-myeloablative regimen for induction of renal allograft tolerance. Transplantation 1999;68:1767-1775.
Abrahamian,G.A.,Polhamus,C.,Muskat,P.,Karulf,R. Diaphragm-like strictures of the ileum associated with NSAID use: a rare complication. South Medical Journal 1998;91:395-397.
Shikora,S.A.,Abrahamian,G.A.,Gaines,C.E. Can a bariatric surgery program succeed without close patient proximity? The experience in a military center. Obesity Surgery 1994;4:238-243.

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