Dr. Parker is Chief of Rheumatology at Austin Diagnostic Clinic.
As a consultant, he helps other doctors with diagnostic questions, helps with management and coordination of care for patients. He is active in medical research in his areas of interest including gout, rheumatoid arthritis and inflammatory eye diseases (uveitis) where he has been Principle Investigator in many studies. He has even written his own protocol and gotten it approved by an IRB without the help of a pharmaceutical company or other entity.

Most Important Accolades:
Valedictorian of Medical school class
Most Outstanding Resident
Texas Super Doctor for 10 years straight
Postdoctorial Training:
Internship (Categorical), William Beaumont Army Medical Center, El Paso, TX – 1994-1995
Residency (Medicine), William Beaumont Army Medical Center, El Paso, TX – 1995-1997
Fellowship (Rheumatology), Walter Reed Army Medical Center, Wash., D.C. – 1997-1999
Fellowship (Medical Research), Walter Reed Institute of Research, Wash., DC – 1998-1999
Military Training:
Officer Basic Course – 1991
Combat Casualty Care Course – 1995
Chemical and Biological Weapons – 1997
Officer Advanced Course – 2002
Education:
Benedictine College, Atchison, KS – Magna Cum Laude, B.A. 1990
University of Health Sciences-COM, Kansas City, MO – Summa Cum Laude, D.O. 1994
Certification and Licensure:
Basic Life Support Certification Provider – 1992
Advanced Cardiac Life Support Provider – 1994-2005
Advance Trauma Life Support Provider – 1995-2000
Advanced Cardiac Life Support Instructor – 2003-2005
National Board of Osteopathic Medical Examiners – 1995
American Board of Internal Medicine – 1997-2007
American Board of Internal Medicine: Recertification – 2007-Current
American Board of Internal Medicine, Rheumatology – 1999-2009
American Board of Internal Medicine, Rheumatology Recertification – 2009-Current
Scientific Societeis
American Osteopathic Society – 1990-
American College of Physicians, Associate Member – 1994-1997
American College of Rheumatology, Associate Member – 1997-1999
Rheumatism Society of the District of Columbia, Member – 1997-2000
American College of Physicians, Member – 1999-2003
American College of Rheumatology, Fellow – 1999-
American College of Physicians, Fellow – 2003-
Awards and Honors
Academic:
The United States Secretary of Education International Youth Year Award for Outstanding Character and Citizenship – 1985
Delta Epsilon Sigma National Honor Society – 1988-1990
Dr. Ira Morison Award – Outstanding Biological Research and Scholarship – 1990
Army Health Professions Scholarship – 1990
Sigma Sigma Phi – National Osteopathic Honor Fraternity – 1991-1994
Psi Sigma Alpha – National Osteopathic Scholastic Honor Fraternity – 1992-1994
Golden Stethoscope Award – Graduating First in Medical School Class – 1994
Most Outstanding Resident – William Beaumont AMC (Army Medical Center) – 1997
Regional Winner, Podium Presentation, Army Chapter of American College of Physicians – 1997
Third Place Winner, American College of Osteopathic Internists 60th Annual Convention & Research Competition. – 2000
Teacher of the Year – Department of Medicine- Brooke Army Medical Center – 2002-2003
Teacher of the Year -Transitional Residency Program – Brooke Army Medical Center – 2002-2003
Texas Super Doctor (Physician panel select top 5% of Texas doctors) – 2006-Current
Military:
Army Service Ribbon – 1991
National Defense Service Medal – 1994
Army Achievement Medal – 1997
Army Achievement Medal (Oak Leaf Cluster) – 1998
Army Commendation Medal – 1999
Army Commendation Medal (Oak Leaf Cluster) – 2000
Command Sergeant Majors’ coin for outstanding performance – 2000
Walter Reed Army Medical Center’s coin for outstanding performance – 2000
National Defense Service Ribbon (Oak Leaf Cluster) – 2002
Meritorious Service Medal – 2002
Appointments
Academic
Teaching Fellow in Medicine, Uniformed Services University of the Health
Sciences, Bethesda, MD – 1997-1998
Clinical Instructor in Medicine, Uniformed Services University of the Health
Sciences, Bethesda, MD – 1998-1999
Assistant Professor of Medicine, Uniformed Services University of the Health
Sciences, Bethesda, MD – 1999-2003
Clinical Assistant Professor of Medicine, Texas A & M College of Medicine
Health Science Center, College Station, TX – 2014-
Assignments and Duties
Medical Staff, Rheumatology and Clinical Immunology Service, Walter Reed
Army Medical Center, Washington, D.C. – 1999-2000
Assistant Chief, Rheumatology and Clinical Immunology Service, Brooke
Army Medical Center, San Antonio, TX – 2000-2003
Assistant Program Director, Transitional Program, Brooke Army Medical
Center, San Antonio, TX – 2002-2003
Staff Rheumatologist, Austin Diagnostic Clinic (ADC), Austin, Texas – 2003-
Continuous Quality Improvement Committee Member, ADC, Austin, TX – 2005- 2008
Chief, Rheumatology and Clinical Immunology Service, Austin Diagnostic
Clinic – 2008-2022
Co-Founder & Rheumatologist at Central Texas Rheumatology Associates – 2022 – Current
Other Professional Activities
President, Military Medical Club, University of Health Sciences – 1992-1993
Education Committee, William Beaumont Army Medical Center – 1995-1996
Quality Improvement Coordinator, Rheumatology Service, Walter Reed
Army Medical Center – 1999-2000
Graduate Medical Education Order of Merit List Review Board – 2000-2001
Co-director of the Uveitis Clinic, Brooke Army Medical Center,
San Antonio, TX – 2000-2003
Texas Medical Board Expert Panel Member for Rheumatology – 2006-