PHYSICIANS
Capital Nephrology physicians call central Texas home. We work hard for the people in our community in Central Texas and offer the latest in state of the art techniques and modalities. Our goal is to always offer the best care in the area. We believe early detection and education is vital to your good health. Capital Nephrology Associates know you have a choice in your healthcare and appreciate you choosing us.
Cristian Cipleu, MD

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Education
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Fellowships:
Nephrology and Hypertension, University of Miami/Jackson Memorial Hospital, 2003-2005
Postdoctoral Research, University of Nevada, Reno 1999-2000
Internship/Residency:
Internal Medicine, Austin Medical Education Programs/Brackenridge Hospital, Austin 2000-2003
Nephrology, University of Medicine and Pharmacy, Cluj-Napoca, Romania 1995-1999
Medical School: University of Medicine and Pharmacy, Cluj-Napoca Romania, 1988-1994
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Affiliations
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Capital Nephrology Associates since 2005
Primary Office: North
Satellite Dialysis: Primary location - Metric
Primary Hospital: North Austin Medical Center
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Certifications
Interests
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American Board of Internal Medicine, 2003
American Board of Nephrology, 2005
My hobbies include skiing and running.
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Amsalu Erko, MD

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Education
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Fellowship: Stanford University, Stanford, CA 2009
Residency: University of Texas Medical Branch, Austin, TX 2006
Medical School: Gondar College of Medical Sciences, Ethiopia 1998
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Affiliations
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Capital Nephrology Associates since 2009
Primary Office: St. David’s
Satellite Dialysis: Primary location - Manor Road
Primary Hospital: St. David's Medical Center
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Certifications
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American Board of Internal Medicine, 2006
American Board of Nephrology, 2009
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Interests
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My hobbies and interests include playing the keyboard and acoustic guitar as well as painting with water colors. Austin has some beautiful landscapes for my canvas.
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Krzysztof Lyson, MD, PhD

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Education
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Fellowships:
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University of Iowa Hospital and Clinics, Iowa City, Iowa 1999
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University of Texas, Southwestern Medical Center at Dallas, TX 1992
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Institute for Biomedical Research, University of Texas at Austin, TX 1986
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Residency:
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Central Texas Medical Foundation, Brackenridge Hospital, Austin, TX 1997
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Internal Medicine, Division of Nephrology, Medical Academy of Lodz, Poland, 1984
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Medical School:
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Medical Academy of Lodz, Poland 1980
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Affiliations
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Capital Nephrology Associates since 2003
Primary Office: North
Satellite Dialysis: Primary location - Round Rock
Primary Hospital: St. David’s Round Rock Medical Center
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Certifications
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American Board of Internal Medicine, 1997
American Board of Nephrology, 1999
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Interests
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My hobbies include photography and cycling.
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Helen Maidment, MD

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Education
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Fellowships:
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Stanford University, Stanford, CA 1994
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Residency:
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Central Texas Medical Foundation, Brackenridge Hospital, Austin, TX 1992
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Medical School:
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University of Texas Health Science Center, San Antonio, TX 1989
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Graduate School, MEd:
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University of IL, Chicago, IL 1976
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Undergraduate School:
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University of Canterbury, New Zealand 1972
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Affiliations
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Capital Nephrology Associates since 1998
Primary Office: St. David’s
Satellite Dialysis: Primary location - Manor Road
Primary Hospital: Brackenridge, Seton Medical Center
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Certifications
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American Board of Internal Medicine, 2004
American Board of Nephrology, 2005
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Professional Positions and Honors
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Brackenridge Hospital Physician of the Year, 2004
Texas Super Doctors 2007 & 2008
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Interests
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I enjoy traveling the world with my family. My husband and I have 2 daughters and 2 grandsons. We also enjoy tennis and play as often as we can.
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Ravi Mididoddi, MD

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Education
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Fellowships:
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University of Texas Health Science Center, San Antonio, TX 2007
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Residency:
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University of Texas Health Science Center, San Antonio, TX 2006
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Medical School:
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Rangaraya Medical College, Kakinada, India 1998
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Affiliations
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Capital Nephrology Associates since 2009
Primary Office: Georgetown
Satellite Dialysis: Primary location - Metric
Primary Hospital: St. David’s Round Rock Medical Center, St. David’s Georgetown
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Certifications
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American Board of Internal Medicine, 2006
American Board of Nephrology, 2009
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Interests
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My hobbies include biking and financial markets.
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Peter Miller, MD

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Education
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Fellowships:
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Stanford University, Stanford, CA 1989
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Residency:
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Mount Sinai Hospital, New York, NY 1985
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Medical School:
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Mount Sinai School of Medicine, New York, NY 1982
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Undergraduate School:
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Rutgers University, New Brunswick, NJ 1978
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Affiliations
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Capital Nephrology Associates since 1998
Primary Office: South
Satellite Dialysis: Primary location - Southwood
Primary Hospital: St. David’s South Austin Hospital
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Certifications
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American Board of Internal Medicine, 1985
American Board of Nephrology, 1988
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Professional Positions and Honors
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Capital Nephrology Associates President
Texas Super Doctors 2007
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Interests
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My hobbies include skiing, cycling and speaking German.
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Scott Moore, MD

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Education
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Fellowships:
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University of Colorado Medical Center, Denver, CO 1979
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Residency:
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Indiana University Hospital, Indianapolis, IN 1975
Temple University Hospital, Philadelphia, PA 1977
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Medical School:
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University of Texas Southwestern, Dallas, TX 1974
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Undergraduate School:
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Stanford University, Stanford, CA 1970
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Affiliations
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Capital Nephrology Associates since 1998
Primary Office: St. David’s
Satellite Dialysis: Primary location - Manor
Primary Hospital: St. David's Medical Center
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Certifications
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American Board of Internal Medicine, 1977
American Board of Nephrology, 1980
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Paul Nader, MD

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Education
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Fellowships:
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University of Texas Southwestern Medical Center, Dallas, TX 1988
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Residency:
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University of Missouri / Columbia Hospitals, 1984
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Medical School:
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Texas Tech University, Lubbock, TX 1981
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Undergraduate School:
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Southern Methodist University, Dallas, TX 1977
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Affiliations
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Capital Nephrology Associates since 1998
Primary Office: St. David’s
Satellite Dialysis: Primary location - Metric
Primary Hospital: St. David’s Medical Center
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Certifications
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American Board of Internal Medicine, 1985
American Board of Nephrology, 1988
American Board of Critical Care Medicine, 1991 to 2001
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Professional Positions and Honors
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Austin Business Journal Annual Best Doctors List
Austin's Monthly "303 Best Doctors" 2011
Texas Super Doctors 2007 - 2011
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Interests
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I am married and have 2 grown children. We are huge UT fans! I enjoy swimming, and it is great for relaxation and exercise.
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Annalisa Perez, MD

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Education
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Fellowships:
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Tulane University, New Orleans, LA 2007
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Residency:
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Tulane University, New Orleans, LA 2005
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Medical School:
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The George Washington University School of Medicine, Washington, DC 2002
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Graduate School:
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The George Washington University School of Medicine, Washington, DC 1996
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Undergraduate School:
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Duke University, Durham, NC 1994
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Affiliations
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Capital Nephrology Associates since 2009
Primary Office: Kyle, Bastrop, Lockhart
Satellite Dialysis: Primary location - Southwood
Primary Hospital: Seton Hays, St. David’s South Austin Hospital
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Certifications
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American Board of Internal Medicine, 2005
American Board of Nephrology, 2007
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Interests
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I enjoy hiking and kayaking in the Austin area. Austin offers so many opportunities for the outdoors. I take advantage of them whenever I can!
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Mark Rosen, MD

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Education
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Fellowships:
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University of Miami Medical Center, Miami, FL 1977
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Residency:
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University of Miami Medical Center, Miami, FL 1975
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Medical School:
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University of Pennsylvania, Philadelphia, PA 1972
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Undergraduate School:
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University of Pennsylvania, Philadelphia, PA 1968
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Affiliations
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Capital Nephrology Associates since 2011
Primary Office: St. David’s
Satellite Dialysis: Primary location - Manor
Primary Hospital: St. David’s Medical Center
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Certifications
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American Board of Internal Medicine, 1975
American Board of Nephrology, 1978
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Interests
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I enjoy duplicate bridge.
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Edith Simmons, MD

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Education
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Fellowships:
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Vanderbilt University Medical Center, Nashville, TN 2004
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Residency:
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University of MS Medical Center, Jackson, MS 2001
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Medical School:
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University of MS Medical Center, Jackson, MS 1997
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Graduate School:
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Vanderbilt University, Nashville, TN 2004
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Undergraduate School:
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Delta State University, Cleveland, MS 1992
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Affiliations
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Capital Nephrology Associates since 2005
Primary Office: St. David’s
Satellite Dialysis: Primary location - Southwood
Primary Hospital: St. David’s South Austin Hospital
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Certifications
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American Board of Internal Medicine, 2000
American Board of Nephrology, 2004
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Interests
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I enjoy outdoor activities such as hiking and time on the water while kayaking.
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Karon Simpson, MD

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Education
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Fellowships:
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University of Texas Medical Branch, Galveston, TX 1984
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Residency:
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University of Texas Medical Branch, Galveston, TX 1982
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Medical School:
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University of Texas Medical Branch, Galveston, TX 1979
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Undergraduate School:
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University of Texas, 1975
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Affiliations
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Capital Nephrology Associates since 1998
Primary Office: St. David’s
Satellite Dialysis: Primary location - San Marcos
Primary Hospital: St. David’s South Austin Hospital
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Certifications
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American Board of Internal Medicine, 1982
American Board of Nephrology, 1984
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Professional Positions and Honors
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Texas Super Doctors 2010 - 2011
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Byron Welch, MD

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Education
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Fellowships:
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University of Iowa Hospital and Clinic, Iowa City, IA 1990
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Residency:
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Baylor University Medical Center, Waco, TX 1988
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Medical School:
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University of Texas Southwestern, Dallas, TX 1985
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Undergraduate School:
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Rice University, Houston, TX 1980
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Affiliations
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Capital Nephrology Associates since 1998
Primary Office: North
Satellite Dialysis: Primary location - Round Rock
Primary Hospital: St. David’s Medical Center Round Rock
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Certifications
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American Board of Internal Medicine, 1988
American Board of Nephrology, 1990
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Professional Positions and Honors
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Austin Business Journal Annual Best Doctors List
Austin's Monthly "303 Best Doctors" 2011
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Interests
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I enjoy cycling in the Austin area. The central Texas area is great for outdoor activities.
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