Houston Methodist. Leading Medicine.
Houston Methodist. Leading Medicine

General Medicine

Faculty - General Medicine

Thomas Baxter, MD received his medical degree from Jefferson Medical College in Philadelphia, PA. He went on to complete his internship and residency at Wilmington Medical Center in Delaware and is currently board certified in internal medicine. After many years of private practice in the Houston area, Dr. Baxter joined Houston Methodist Academic Medicine Associates in 2009. He currently attends the resident's Primary Care Clinic and serves on various committees within Houston Methodist Hospital. Dr. Baxter is an excellent diagnostician who enjoys maintaining long-term relationships with his patients.

Ana Blackmon, MD, FACP graduated from the University of Texas Southwestern Medical School and completed her internship and Internal Medicine residency at The National Naval Medical Center in Bethesda, MD. Active duty service took Dr. Blackmon to Yokosuka, Japan where she served three years practicing Internal Medicine at the Yokosuka Naval Hospital.

Marc Boom, MD, FACHE is the President and CEO of Houston Methodist Hospital. Dr. Boom holds a B.S. in Biology with High Honors from the University of Texas at Austin, an M.D. with High Honors from Baylor College of Medicine. He completed a residency in internal medicine at Massachusetts General Hospital, Harvard Medical School and fellowships in geriatric medicine and general medicine at the Hospital of the University of Pennsylvania. He is board certified in both internal medicine and geriatric medicine, and is a Fellow of the American College of Physicians. Dr. Boom is also an Assistant Professor of Medicine at Weill Medical College of Cornell University and an Adjunct Professor of Management at Rice University. He maintains a part-time clinical practice where his special interests are preventive medicine, lipid disorders, and hypertension.

Lara Colton, MD is a native Houstonian and has trained and worked in the Texas Medical Center since beginning medical school at UT-Houston. After graduating she stayed to complete her Internal Medicine Residency training and then joined the faculty of Baylor College of Medicine as an instructor and then Assistant Professor at the VA Hospital serving as a clinician educator. In 2008 Dr. Colton joined Houston Methodist Hospital as an academic general internist and obtained a faculty appointment of Assistant Professor of Medicine for Weill Cornell Medical College. In 2009 she graduated from Educational Scholars Fellowship Program, a two-year fellowship for clinician educators dedicated to enhancing their knowledge of educational principles and improving practical teaching skills including lecturing, evaluation, and mentorship. In 2010 she became Assistant Program Director and was promoted to Associate Program Director in 2012. Dr. Colton has a strong interest in academic medicine and regularly staffs the Primary Care Clinic (PCC) and rounds frequently on the general medicine ward teams as attending for the University Teaching Service (UTS).

Ronnie Gentry, MD, FACP obtained his medical degree and completed his residency at the University of Texas Medical School at Houston. He has practiced in Houston for over 10 years and is board certified in Internal Medicine. He is member of the American College of Physicians, Texas Medical Association, and Harris County Medical Society.

Heidi Matus, MD was born and raised in Giddings, Texas, and received her Bachelor's degree in Hispanic Language and Literature from Boston University. She returned to Texas for her medical training and graduated from the University of Texas Medical School at Houston. After medical school, she went on to complete her internal medicine training at the University of Chicago and continued on as a chief resident at John H. Stroger Hospital of Cook County. Dr. Matus made her final return to Texas when she joined Houston Methodist Academic Medicine Associates. Dr. Matus specializes in general internal medicine and is board certified by the American Board of Internal Medicine.

Susan Miller, MD, MPH, FACP is an Associate Professor in the Department of Family Medicine and an Associate Professor of Clinical Medicine, Weill Medical College, Cornell University. She received her medical degree from the University of Missouri-Columbia and went on to complete her training at the University of Texas Health Science Center in Houston, Texas. Dr. Miller is also the Deputy Chief in the Department of Family Medicine at Houston Methodist Hospital and an Associate Professor in the Center for Ethics and Health Policy, Baylor College of Medicine. Dr. Miller is currently the Chair of the Institutional Review Board of Houston Methodist Hospital Research Institute and is on the Executive Advisory Council for CITI. She serves as a member of the Patient Safety CMPI Subcommittee, Bioethics Committee and the P&T MOM Subcommittee of Houston Methodist Hospital. She is also the Director of the Chao Center for International Research Ethics. Her interests include patient care, research ethics, bioethics, palliative medicine, disparities in health care, quality, and international health. She has received multiple humanitarian awards for her activities in HIV and international health as well as multiple teaching awards. Dr. Miller has provided consultation work to health care institutions in Central and Eastern Europe, Russia, Cameroon, the Philippines, and Monterrey. In addition, Dr. Miller has an honorary faculty position at the Tomsk Regional Center for AIDS and Other Infectious Diseases in Tomsk, Siberia. Her work in Russia has culminated in the development of an independent, NIH-certified IRB. Her analyses of medical ethics and research ethics have been translated and published into Russian.

Eric J. Mueller, MD specializes in general internal medicine and is board certified by the American Board of Internal Medicine. He received his undergraduate degree from West Texas A&M University and his medical degree from The University of Texas Medical School at Houston. Dr. Mueller completed his residency at Houston Methodist Hospital and was chosen as chief resident for his final year. Dr. Mueller currently provides general primary care services for adults in an outpatient office setting.

James E. Muntz, MD is Clinical Professor of Medicine and Clinical Associate Professor of Orthopedic Surgery at Baylor College of Medicine, and Clinical Associate Professor of Internal Medicine at the University of Texas Health Science Center. After graduating Phi Beta Kappa from Indiana University, Dr Muntz received his medical degree from Baylor College of Medicine and his postgraduate education at St Luke's Episcopal Hospital and Baylor College of Medicine Affiliated Hospitals located in Houston, Texas. In 1995, Dr. Muntz received the Outstanding Internist award presented by the Department of Orthopedic Surgery at Baylor College of Medicine. Additionally he is a member of numerous scientific organizations, such as the American College of Physicians, the International Society of Thrombosis and Hemostasis, and the American College of Sports Medicine. Involved in various sponsored research, Dr Muntz has presented his findings on venous thrombosis at more than 600 conferences and has been interviewed by the television networks ABC, NBC, ESPN and CNN in regards to his sports affiliations. He is currently medical team physician for the NBA Houston Rockets, the Houston Astros major league baseball, and team internal medicine physician for the NFL Houston Texans.

Jose A. Perez, Jr., MD, MD, MSEd, MBA, FACP completed his residency in Internal Medicine at Yale and UCLA-affiliated hospitals, and served as Chief Resident. A General Internist by training, Dr. Perez holds a Master of Science degree in Medical Education from the Department of Medical Education at the University of Southern California and a Professional M.B.A. degree from the University of Massachusetts, Amherst. In addition to Board Certification in Internal Medicine, he is a Certified Physician Executive by the Certifying Commission in Medical Management and holds certification by the American Board of Quality Assurance and Utilization Review Physicians. Dr. Perez joined Houston Methodist Hospital in 2007 and serves as the Residency Director in Internal Medicine and Vice Chair of Education, both in the Department of Medicine. He has 15 years of experience as a residency director and over 20 as a faculty member and teacher. Dr. Perez has served on the Board of Directors and is currently President-Elect of the Texas Chapter of the American College of Physicians.

Sheena Stubbers, MD received her bachelor's degree in biology and chemistry from Malone College in Ohio. She has completed her graduate education in medicine and training at the University of Texas at Houston. She now serves the general internal medicine needs of patients in the Greater Houston area as a founding member of the Internal Medicine Group (IMG) at Houston Methodist Hospital. Her Middle Eastern and European familial background along with her fluency in English, Arabic, French and Spanish, help bridge the gap between the needs of her patients and the resources available to her in the Texas Medical Center. Prior to serving patients at Houston Methodist, Dr. Stubbers started her private practice at The Diagnostic Clinic of Houston and honed her academic skills as an Assistant Professor at Texas Tech University at El Paso serving as Chief of General Medicine, Director of the Medicine Clinics, and to her students as clinical assistant professor. In order to better serve her patients Dr. Stubbers is board certified by the American Board of Internal Medicine, and is a Fellow of the American College of Physicians.