organizational chart

Taylor Sohn Riall, M.D. Ph.D.Taylor Sohn Riall, M.D., Ph.D.
Associate Professor
John Sealy Distinguished Chair in Clinical Research
Director, Center for Comparative Effectiveness and Cancer Outcomes

Medical School: Johns Hopkins University School of Medicine, Baltimore, Maryland

Residency: Johns Hopkins University School of Medicine, Baltimore, Maryland

Taylor Riall, M.D., Ph.D. is Associate Professor in Department of Surgery at UTMB and holds the John Sealy Distinguished Chair in Clinical Research and serves as the Director of the Center for Comparative Effectiveness and Cancer Outcomes at UTMB. She earned her Ph.D. in the Health Services Research track of UTMB's Clinical Sciences Graduate Program. Dr. Riall, Dr. Goodwin, and Dr. Kuo have extensively collaborated using large population based data resources including SEER, SEER-Medicare, and the Texas Hospital Inpatient Public Use Data File. Studies have examined population-based outcomes, disparities in the utilization of surgical resection and outcomes following surgical resection, the incidence of second primary cancers, and regionalization of care for patients with pancreatic cancer. She has authored over 80 papers which have been cited more than 3,000 times. She is currently funded by the NCI and the American Geriatric Society for her cancer-related health services research. Dr. Riall has clinical expertise in pancreatic, colon, and breast cancer.

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Barbara H. Petit Barbara H. Petit
Senior Administrator
Department of Surgery

B.A.: University of Kentucky, Lexington, KY

Masters: University of Kentucky, Lexington, KY

Since her arrival in 1998 as Department Administrator for the Department of Surgery at The University of Texas Medical Branch at Galveston, Barbara Petit has worked with the chairman and division chiefs to identify, develop, and implement tactical and strategic departmental business plans in support of the institutional mission. She assumed administrative responsibility for the Division of Emergency Medicine in August 2002. In October 2008, Mrs. Petit was appointed Administrator for Surgery, Emergency Medicine, Pathology, the Center for Biodefense and Emerging Infectious Diseases, the Willed Body Program, and the Comprehensive Cancer Center. Mrs. Petit has over 24 years of experience in health care administration. She served as Department Administrator for the Department of Surgery at the University of Kentucky in Lexington, Kentucky from 1986-1998 and as Business Manager for the Department of Family Practice at the University of Kentucky from 1984-1986. She has represented the School of Medicine on many institutional committees and the University on UT System Insurance Advisory Committee. She has held several positions in the Association of Academic Surgical Administrators including Southern Regional Representative, Membership Chair, and President.

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Kristin M. Sheffield, Ph.D.Kristin M. Sheffield, Ph.D.
Assistant Professor
Department of Surgery
Associate Director for Resident Training

Bachelor of Science: Psychology; Brigham Young University, Provo, UT, 2006

Ph.D.: Population Health Sciences; The University of Texas Medical Branch, Galveston, TX, 2010

Kristin Sheffield, Ph.D. is an Assistant Professor in the Department of Surgery at UTMB. She earned her Ph.D. in Population Health Sciences in March 2010 and joined the Center for Comparative Effectiveness and Cancer Outcomes as a methodologist and comparative effectiveness researcher. She has training and experience in the analysis of large datasets and training in advanced biostatistics and epidemiological methods.

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Jean Freeman Ph.D.Jean L. Freeman, Ph.D.
Professor, Department of Internal Medicine
Director, Health Care Delivery and Outcomes Research Program, Preventive Medicine & Community Health and The Sealy Center on Aging
Grace B. Gnitzinger Distinguished Professorship in Aging

B.A.: Magna cum laude in mathematics Mount Holyoke College

M.A.: Boston University, Mathematics

Ph.D.: Yale University, Epidemiology and Public Health

Jean Freeman, Ph.D. has over 25 years of experience in health services and clinical effectiveness research and has published more than 75 articles in high impact journals in medicine and health care. She is currently principal investigator of an NCI R01, which examines late toxicities of radiation in women diagnosed with gynecologic cancer. In the past, she was PI of an NCI R01 to examine the effectiveness of breast cancer screening in older women and PI of a Department of Defense grant to identify factors that improve screening mammography rates in Mexican American women. From 2001-2008, she was the PI for an R24 grant (Health Services Research in Underserved Populations) from the Agency for Healthcare Research and Quality's Minority Research Infrastructure Support Program. This grant provided funding to build the Health Services Research Program and to attract minority investigators to the field. Dr. Freeman also has more than 15 years of experience in recruiting, evaluating and mentoring trainees in externally funded training programs. She is also Director of the Health Services Research Curriculum within the Clinical Science Graduate Program.

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James Goodwin, M.D. James S. Goodwin, M.D.
Professor, Department of Internal Medicine and Department of Preventive Medicine and Community Health
George & Cynthia Mitchell Distinguished Chair in Geriatric Medicine
Director, Sealy Center on Aging

Medical School: Harvard Medical School

Internship: Harbor General Hospital, Torrance, California

Residency: Internal Medicine, University of New Mexico School of Medicine, Albuquerque, New Mexico

Fellowship: Rheumatology, University of New Mexico School of Medicine, Albuquerque, New Mexico

James S. Goodwin, M.D. is co-director Center for Comparative Effectiveness and Cancer Outcomes. He has directed several large multidisciplinary research programs. These include the NCI-funded Center for Population Health and Health Disparities, the NIA-funded Claude Pepper Older Americans Independence Center and most recently Comparative Effectiveness Research of Cancer in Texas. Dr. Goodwin has been continuously funded by NIH for studies of the processes and outcomes of cancer care for 25 years. He was among the first to use Tumor Registry data and then Medicare billing data to examine how patterns in the diagnosis, treatment and outcomes of cancers vary with patient characteristics and geographic location. His 300 plus articles have been cited more than 14,000 times.

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Yong-Fang Kuo, Ph.D.Yong-fang Kuo, Ph.D.
Associate Professor
Division of Geriatrics
Department of Internal Medicine

B.S.: Taipei Medical College, Taipei, Taiwan (Nursing) 1984

M.Ed.: National Taiwan Normal University, Taipei, Taiwan (Health Education) 1986

M.A.S.: The Ohio State University, Columbus, OH (Applied Statistics) 1994

Ph.D.: The Ohio State University, Columbus, OH (Biostatistics) 1997

Yong-Fang Kuo, R.N., Ph.D. is the Director of Biostatistics at the Sealy Center on Aging and Associate Professor in the Department of Internal Medicine. Dr. Kuo has more than 14 years' experience analyzing health administrative data. Through collaboration with multiple clinicians, she has more than 40 publications based on large administrative data and about 30 of them focused on cancer care. Dr. Kuo has extensive experience in the use of hierarchical generalized linear models (HGLM) to evaluate provider-specific variation in receipt of care. One example of her use of this methodology was to determine use of androgen-deprivation therapy for prostate cancer at the level of the urologist and patient.

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Catherine D. Cooksley, Dr. P.H. Catherine D. Cooksley, Dr.P.H.
Senior Biostatistician, Sealy Center on Aging
Associate Director for Research, Center for Comparative Effectiveness and Cancer Outcomes

B.S.: Bachelor of Science, University of Texas, San Antonio, Biology 1979

M.P.H.: Master of Public Health, University of Texas Health Science Center, Houston, Disease Control 1985

Dr.P.H.: Doctor of Public Health, University of Texas Health Science Center, Houston, Epidemiology and Disease Control 1997

Catherine D. Cooksley, Dr.P.H., is trained in public health epidemiology, specifically disease surveillance and control. Dr. Cooksley spent the past 19 years at the UT M.D. Anderson Cancer Center. While there, she provided data management and statistical analytic support to faculty, students and staff who conducted clinical and population-based health services and outcomes research. Dr. Cooksley's expertise includes cancer registry procedures, claims data and database linkage strategies. Collaborating with researchers and clinicians from multidisciplinary backgrounds, she has authored or contributed to papers investigating health care delivery and supportive care needs of cancer patients and survivors utilizing databases such as the SEER linked Medicare data, Texas and national inpatient and survey databases including Texas Health National Health Interview Survey and Medical Expenditure Panel Survey. Dr. Cooksley is the current editor of the Texas Public Health Journal.

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Sedonia HolmesSedonia Holmes
Administrative Secretary
Center for Comparative Effectiveness and Cancer Outcomes

Sedonia joined the Department of Surgery in 1998 and is currently assistant to Dr. Riall.

 

 

 

 

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Abhishek ParmarAbhishek D. Parmar, M.D.
Postdoctoral Fellow
Center for Comparative Effectiveness and Cancer Outcomes

B.A: Emory University, Atlanta, Georgia (2004)

M.D.: University of Alabama, Birmingham, Alabama (2008)

Residency: University of California, San Francisco-East Bay, Oakland, CA (2016)

Abhishek D. Parmar, M.D. is a part of a NIH funded T-32 Gastrointestinal Research Fellowship at the University of Texas Medical Branch. He is currently doing clinical outcomes research with Dr. Taylor Riall while working toward his Master’s Degree in Clinical Science through the Graduate School of Biomedical Sciences. He is also a Comparative Effectiveness Research on Cancer in Texas (CERCIT) scholar, an initiative that is part of a multi-institutional CPRIT grant that serves to train faculty and residents in comparative effectiveness research. Abhishek has a special interest in hepatobiliary disease and is planning on pursuing a career in surgical oncology. 

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Gaby VargasGabriela M. Vargas, M.D.
Postdoctoral Fellow
Center for Comparative Effectiveness and Cancer Outcomes

B.A.: University of Utah, Salt Lake City, Utah (2002)

M.D.: University of Utah School of Medicine, Salt Lake City, Utah (2006)

Residency: University of Utah, Salt Lake City, Utah (2012)

Gabriela M. Vargas, M.D., is an instructor in the Department of Surgery at the University of Texas Medical Branch. She is a Comparative Effectiveness Research on Cancer In Texas scholar and is currently doing clinical outcomes research on colorectal cancer with Dr. Taylor Riall while working toward her Master’s Degree in Clinical Science through the Graduate School of Biomedical Sciences.  She has plans to pursue further training in colorectal surgery.

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Past CCECO Fellows

2011-2012

Casey A. Boyd, M.D.Casey A. Boyd, M.D., MS
Postdoctoral Fellow
Center for Comparative Effectiveness and Cancer Outcomes

B.S.: University of Illlinois, Urbana, Illinois (2004)

M.D.: The Ohio State University College of Medicine, Columbus, Ohio (2008)

Casey A. Boyd, M.D. is a general surgery resident at the University of Texas-Medical Branch. She is currently doing clinical outcomes research with Dr. Taylor Riall under her T32 grant, while working toward her Master's Degree in Clinical Science through the Graduate School of Biomedical Sciences. She is hoping to pursue a career in Surgical Oncology.

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Jaime Benarroch Gampel, M.D.Jaime Benarroch Gampel, M.D., MS
Postdoctoral Fellow
Center for Comparative Effectiveness and Cancer Outcomes

M.D.: Universidad Del Zulia, Maracaibo, Venezuela

Jaime Benarroch-Gampel, M.D. is a general surgery resident at the University of Texas Medical Branch. He is currently doing clinical outcomes research with Dr. Taylor Riall while working toward his Master's Degree in Population Health Sciences. He has special interest in cancer patterns and outcomes. Jaime recently was awarded with the first place in the clinical research competition during the 58th meting of the Singleton Surgical Society.

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Amanpal Singh, M.D., MSAmanpal Singh, M.D., MS
Postdoctoral Fellow
Center for Comparative Effectiveness and Cancer Outcomes

Medical School: All India Institute of Medical Sciences (AIIMS), New Delhi, India

M.S. (Epidemiology): Harvard School of Public Health, Boston, MA

Residency: Internal Medicine, University of Texas Medical Branch, Galveston, TX

Amanpal Singh is a fellow in Gastroenterology at the University of Texas Medical Branch. He is currently working with Dr. Goodwin to study the utilization patterns of colonoscopy and its effectiveness in the state of Texas and overall in the United States. He is interested in the prevention and patterns of care of gastrointestinal cancers.

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Gulshan Sharma, M.D., MPHGulshan Sharma, M.D., MPH
Health Services Researcher
Associate Professor
Department of Internal Medicine
Division of Pulmonary Allergy and Critical Care

Medical School: Dayanand Medical College, India

Residency: Henry Ford Hospital, Detroit, MI

Fellowship: Yale University, New Haven, CT

Dr. Sharma is an associate professor of medicine and a fellow in Sealy Center on Aging. His research interest includes health care utilization and ICU outcomes. He is a recipient of K-08 Mentored Career Development Award from the NIH (08/01/2008 – 07/31/2013). Using Medicare and SEER-Medicare data he is examining the role of provider continuity on chronic disease outcomes and end of life ICU use. He serves as an Editor-in-Chief for the journal Core Evidence. His work is published in journals such as The New England Journal of Medicine, Journal of American Medical Association, and The Archives of Internal Medicine. His clinical interests are in sepsis, adult respiratory distress syndrome, COPD, and pneumonia. He is involved with various Quality improvement projects within the division and the department. He is member in the American College of Chest Physicians and the American Thoracic Society. He is an Associate Program director for the pulmonary and critical care fellowship program.

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Dong Zhang, Ph.D.Dong Zhang, Ph.D.
Associate Professor
Preventive Medicine and Community Health
Internal Medicine-Geriatrics/Sealy Center on Aging
Director, Data Management System for Medical Research (DMSMED)

B.S.: Physics, South China Normal University, China

M.B.A.: Finance, University of St. Thomas, Houston

M.S.: Biometry, School of Public Health, University of Texas, Houston

Ph.D.: Biometry, School of Public Health, University of Texas, Houston

Dong Zhang, Ph.D. is a biostatistician who has collaborated on health services research projects at UTMB since 1994. Dr. Zhang currently works with multidisciplinary teams of investigators conducting population based health services research with large health care datasets. As a member of these teams, he provides essential support in statistical methods, healthcare informatics, and data analysis. He has been a co-investigator on more than eight NIH or state funded grants and co-author on many peer reviewed articles.

Dr. Zhang has extensive experience with Medicare claims data and its use in studies of cancer diagnosis, treatment and outcomes. He designed and maintains a shared Data Management System for Medical Research (DMSMED) to support UTMB investigators in research using these large health care data. Dr. Zhang also facilitates a training environment with a research-oriented interdisciplinary educational program at the pre-doctoral, post-doctoral and junior faculty levels. The training/dissemination program, along with advanced quantitative support, provides critical support to investigators who are interested in research using very large and complex health care databases.

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Yimei HanYimei Han
Biostatistician, Surgery – General Surgery

B.S.: Chemical Engineering, East China University of Science & Technology, Shanghai, China

M.S.: Chemical Engineering, East China University of Science & Technology, Shanghai, China

M.S.: Statistics, Texas A & M University, College Station, TX

Yimei Han serves as the Biostatistician for UTMB's Department of Surgery and as such, will provide all aspects of statistical support including study design, data quality control and management, analysis of the data, and participation in the manuscript preparation.

She has an extensive track record of providing statistical support for Phase I to Phase III clinical trials. Additionally, she has direct experience with oncologic research.

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Jacques G. Baillargeon Ph.D.Jacques G. Baillargeon, Ph.D.
Associate Professor, Department of Preventive medicine and Community Health
Director Community Health Services Division of Epidemiology

B.A.: University of Texas, Austin, English

Ph.D.: University of Texas Medical Branch, Galveston, Epidemiology

Post Doc Fellowship: University of Texas Medical Branch, Galveston, Clinical Epidemiology

After joining the faculty of the Department of Pediatrics at the University of Texas Health Science Center at San Antonio, Dr. Baillargeon returned to UTMB in September of 2006. Dr. Baillargeon's research interests include correctional health care, HIV, psychiatric epidemiology, cancer epidemiology, and epidemiologic methods. He is the recipient of numerous research grants, including awards from the National Institutes of Health and the National Institute of Justice.

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Steve SchuenkeSteve Schuenke
Graphic Artist
Department of Surgery

B.A.: Texas Lutheran University, Seguin, Texas

Steve Schuenke has more than 20 years experience as a graphic artist and photographer at the University of Texas Medical Branch in Galveston. He assists wth Center for Comparative Effectiveness and Cancer Outcomes with publications projects and this web site.

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