About Dialysis Associates


"We will achieve our goals through integrity, responsible growth, education and leadership."


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Dialysis Associates will provide high quality, compassionate care for patients with kidney diseases and hypertension in the communities we serve. We will achieve our goals through integrity, responsible growth, education and leadership.

Nephrology Innovations

Dialysis Associates (DA) has been a leader and innovator in Nephrology services in Tarrant and surrounding counties. Bringing new technology and services to Fort Worth has been the hallmark of the group.

1969 N. Kermit Olson as associate of Dallas Nephrology Associates (DNA) comes to Fort Worth and starts delivering dialysis services at St. Joseph Hospital and John Peter Smith Hospital. First regular dialysis service in Fort Worth.

1972 J. Patrick Brennan joins Kermit Olson and Dialysis Associates is founded

1972 Tarrant County Dialysis Center (TCNC) side A is built offering outpatient dialysis services in Fort Worth.

Michael Stoltz joins Dr. Olson and Dr. Brennan and TCNC side B is built expanding dialysis service. This is the first and only dialysis unit in Fort Worth.

1977 Richard Mauk joins DA and together with DNA they jointly open and operate a dialysis unit in Arlington bringing dialysis to Mid-Cities for the first time.

1981-1982 DA establishes in house dialysis at Arlington Memorial, Harris HEB and HCA South Arlington hospitals

1980-1984. DA expands dialysis service at All Saints Hospital and HCA Medical Plaza Hospital to be routine service.

1983 DA introduces central venous dialysis catheter (single lumen) and in 1984 uses the first double lumen acute dialysis catheters

1984 DA does first CAVHD and CVVHD in Tarrant County

1985 NMC Southwest opens leading the way for decentralized dialysis care with units in Cleburne, Weatherford, Granbury and Haltom City to follow. All first for their communities.

1985-1986 DA joint ventures with Harris Methodist Fort Worth to found the Tarrant County Organ Donor Program later to become LifeGift North, one of the most successful organ procurement agencies in the world (donors/million/year 75 vs 24 USA).

1986 DA joint ventures with Harris Methodist Fort Worth and performs first kidney transplant in Tarrant County. Transplants increase from 7 per year to a peak of 66.

1986-present DA has been Medical Director of the transplant program.

1990 DA introduces high flux dialysis as a standard of care in both acute and chronic dialysis units

1996 Under DA leadership, the efforts of LifeGift and transplant program are recognized in the Cleveland Plaindealer as the most efficient transplant program in that US with waiting times of 51 days for first transplants

2000 DA open first interventional Nephrology lab in Fort Worth helping preserve and prolong dialysis access and provide acute dialysis access.

2000's have seen DA lead expansion of dialysis services in the Southwest Fort Worth Hospitals and Burleson providing care in both acute and long term care hospitals DA physicians have been leaders in the medical community. Dr. Brennan and Stoltz were Chief of Staff at Harris Methodist Fort Worth. Dr. Shori is Chief of Medicine at Baylor All Saints. Most physicians maintain leadership roles on hospital committees.