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Our History
Year By Year...

Urology San Antonio traces its history through two established groups of physicians: Urology Clinic of San Antonio and Southwest Texas Urology Associates. In 1996, the groups merged, forming Urology San Antonio, one of the largest and most respected urology practices in the U.S.

July 1, 1970
Dr. George V. Burkholder leaves the Cleveland Clinic and joins urologist Charles A. Hulse at his private practice in San Antonio. The two do business as Burkholder and Hulse, PC.
July 1973
Dr. Randall P. Singleton completes his residency at UT Southwestern Medical School and joins Drs. Burkholder and Hulse in private practice. The group renames itself Urology Clinic of San Antonio.
July 1976
Dr. Michael E. Newell completes his residency at UCLA Center for Health Sciences and joins Urology Clinic of San Antonio. Dr. Newell is among the first urologists to offer patients the inflatable penile prosthesis, a device developed in 1973.
July 8, 1981
Dr. Juan A. Reyna completes his residency at the UT Health Science Center at San Antonio and opens his private urology practice in downtown San Antonio. He is the first American-born, American-educated, Hispanic urologist to practice in San Antonio.
June 1984
Dr. Arthur S. Centeno completes his residency at University of Texas Medical Branch at Galveston and joins Dr. Reyna in private practice. The new partnership is called Southwest Texas Urology Associates.
1988
Dr. Charles A. Hulse retires, and Dr. George V. Burkholder assumes the role of senior practitioner at Urology Clinic of San Antonio.
July 1990
Dr. Clayton H. Hudnall completes his residency at the UT Health Science Center at San Antonio and joins Southwest Texas Urology Associates.

July 1991
Dr. Timothy C. Hlavinka completes his residency at the UT Health Science Center at San Antonio and joins Urology Clinic of San Antonio.

September 1991
Dr. C. Ritchie Spence, a retired U.S. Army Medical Corps colonel, merges his private practice with Urology Clinic of San Antonio.

July 1992
Dr. Daniel R. Saltzstein completes his residency at the University of Texas Medical Branch at Galveston and joins Southwest Texas Urology Associates.

July 1994
Dr. David R. Talley completes his residency at the University of Colorado Health Science Center and joins Southwest Texas Urology Associates.
September 1994
Drs. Luis R. Rivera and Rene A. Sepulveda merge their practices with Southwest Texas Urology Associates. The new venture is called Urologic Surgical Associates.

July 1, 1996 - The Merger
Urology Clinic of San Antonio and Urologic Surgical Associates merge. The new 13-physician group is named Urology San Antonio. Dr. Juan A. Reyna is selected to serve as President/CEO.

The new practice launches a clinical trials/research division. Dr. Daniel R. Saltzstein serves as the Medical Director of this division.

July 15, 1996
Dr. Patricia J. Terry, the first female urologist treating adults in South Texas and the practice's first female partner, concludes her residency at the UT Health Science Center at San Antonio and joins Urology San Antonio.

July 1997
Dr. Andrew A. Tobon finishes his residency at Baylor College of Medicine in Houston and joins Urology San Antonio, bringing the the total number of physicians in the practice to 15.

January 1998
Urology San Antonio purchases its first piece of major medical equipment, a lithotripter, a device that uses sound waves to break up large kidney stones. Owning this technology means patients can receive lithotripsy treatment right way rather than having to wait for scheduling availability on a machine that is shared among several practices.

June 1999
Dr. Christopher W. Graham, a urologist with fellowship training in female urology, merges his practice with Urology San Antonio.

March 2000
Urology San Antonio relocates its largest clinic and Central Business Office to 7909 Fredericksburg Road, the practice's current headquarters.

June 2001
Dr. William J. Harmon, a fellowship-trained urologic oncologist and laparoscopic surgeon, concludes his service in the U.S. Air Force Medical Corp and joins Urology San Antonio.

Shortly after joining the practice, Dr. Harmon performs South Texas' first laparoscopic pyeloplasty, an operation to correct a blockage to the kidney. In addition, Dr. Harmon is the first urologist in private practice in South Texas to perform a laparoscopic nephrectomy or kidney removal as a means of treating kidney cancer.

November 2001
Urology San Antonio is one of first medical specialty groups in the country to switch from paper charts to electronic medical records (EMR). Dr. Clayton H. Hudnall takes on the role of Information Technology Champion and oversees the transition.

July 2002
Drs. Arthur S. Centeno and C. Ritchie Spence perform the first prostate cryosurgery (freezing the cancer) in South Texas.

September 2002
The practice opens the Urology San Antonio Center for Urinary Control at its northwest clinic location.

October 2002
Dr. William J. Harmon performs South Texas' first laparoscopic renal cryosurgery. The minimally-invasive technique uses extreme cold to destroy cancerous tumors in the kidney.

July 2003
Urology San Antonio launches the city's first interstitial cystitis support group. Over time, the group evolves into a monthly, provider-led meeting about a variety of urologic health topics.

February 2003
The group purchases a Computerized Tomography (CT) scanner and dedicates space at its northwest location for an in-house Imaging Center where patients can undergo X-rays, CT scans, bone density scans and other diagnostic testing.

September 2003
The practice develops its own full-service, in-house laboratory at its northwest location. Being able to perform laboratory testing on-site means that patients and their doctors receive test results right away.

April 2004
Dr. William J. Harmon performs South Texas' first radio-frequency ablation procedure for kidney cancer. During the treatment, a urologist precisely places a needle that delivers radio-frequency energy to heat the tumor and kill the cancer cells.

May 2004
Dr. Arthur S. Centeno publishes his first book "Prostate Cancer: A Patient's Guide To Treatment."

October 2004
Dr. LeRoy A. Jones, an internationally-recognized expert in prosthetic urology and sexual medicine, joins Urology San Antonio. Prior to beginning his career in private practice, Dr. Jones worked for more than a decade teaching and practicing urology in academic settings.

Dr. Juan A. Reyna is diagnosed with kidney cancer and successfully treated by his partner Dr. William J. Harmon.

November 2004
Dr. William J. Harmon performs South Texas' first robotic pyeloplasty, an operation to correct a blockage to the kidney.
April 2005
Dr. Arthur S. Centeno is named a Health Care Hero in the Outstanding Physician category by the San Antonio Business Journal.

May 2005
The practice opens the Urology San Antonio Center for Female Sexual Medicine, the first clinic in South Texas dedicated exclusively to diagnosing and treating the medical factors affecting a women's sexual health.

July 2005
Urology San Antonio adopts its burgundy and blue bladder logo.

August 2005
Urology San Antonio completes construction of its new intensity modulated radiation therapy (IMRT) center where men facing prostate cancer can receive this advanced form of external beam therapy.

January 31, 2006
Dr. George V. Burkholder is the first Urology San Antonio physician to retire from clinical practice.

March 2006
Nurse Practitioner Peggy P. Francis joins Urology San Antonio as director of the Center for Urinary Control and Co-director of the Center for Female Sexual Medicine.

April 2006
Dr. Juan A. Reyna is named a Health Care Hero in the Lifetime Achievement category by the San Antonio Business Journal.

August 2006
The growing popularity of IMRT for prostate cancer, prompts Urology San Antonio to begin construction on a second IMRT treatment vault and hire a full-time radiation oncologist. Under the expertise of radiation oncologist Dr. Michael A. Selva, the practice is able to treat all types of cancers at its San Antonio Center for Cancer Treatment.

January 2007
Construction of the second IMRT treatment vault is completed.

March 2007
Dr. Patricia P. Cecconi completes her residency training at the UT Health Science Center at San Antonio and joins Urology San Antonio.

December 2007
Drs. William P. Fitch, III, Kurt G. Meissner and Kenneth J. Stallman, formally of Urology Consultants, join Urology San Antonio.

January 31, 2008
Dr. Michael E. Newell retires after 32 years in clinical practice.

February 2008
Nurse Practitioner Peggy P. Francis earns her Doctorate of Nursing Practice (DNP), making her the first "Dr. Nurse" at the practice. 

February 2009
Drs. George D. Case, Lewis F. Russell, George J. Vassar and John R. Case merge their practice Northside Urology Associates with Urology San Antonio.

August 1, 2009
Dr. Samuel Hakim retires from the U.S. Air Force Medical Corp and joins Urology San Antonio.

September 1, 2009
Dr. William P. Fitch, III, the founding member of Urology Consultants, retires from medical practice after 33 years of serving patients.

November 2009
Nurse practitioner Peggy P. Francis is chosen by the American Academy of Nurse Practitioners to receive the Texas State Award for Nursing Excellence.

July 2011
Ashley M. Quade joins Urology San Antonio as the first physician assistant working in the clinic setting.

Dr. Michael A. White concludes a fellowship in laparoscopic and robotic surgery at the Cleveland Clinic and joins Urology San Antonio.

August 2011
Dr. Christopher H. Cantrill finishes his urology residency at the UT Health Science Center at San Antonio and joins Urology San Antonio.

September 2011
Dr. Rashel M. Haverkorn, a fellowship-trained urologist specializing in female urology, joins Urology San Antonio.

May 2012
Dr. Juan A. Reyna steps down as President/CEO of Urology San Antonio. He continues to work as a urologist at the practice. Dr. Clayton H. Hudnall, Vice President of Urology San Antonio, is named Interim President and CEO.

September 2012
Nurse practitioner Peggy P. Francis is named Texas Nurse Practitioner of the Year by the Texas Nurse Practitioners. 

November 2012
Nurse practitioner Joanne "Jody" M. Minnick joins Urology San Antonio.
November 10, 2012
The practice renames its cancer treatment facility the Dr. Johnny Reyna Center for Cancer Treatment as a tribute to Dr. Reyna's 30 years of leadership at the practice.

April 2013
Nurse practitioner Adrienne R. Garcia joins Urology San Antonio.
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