Western Anesthesiology
Associates, Inc


Serving St. Louis since 1970


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Western Anesthesiology Associates, Inc.
  is the exclusive provider of anesthesiology services for patients undergoing surgery and diagnostic and therapeutic procedures at Mercy Hospital in St Louis.


Mercy Hospital St Louis is a leader in comprehensive patient and family medical care, medical education, research and community services.
A member of Mercy Hospitals and sponsored by the
Sisters of Mercy Health System, Mercy Hospitals is one of the nation's
largest Catholic health care complexes and the second-largest hospital
in metropolitan St. Louis.


Mercy Hospital St Louis operates one of the only Level I Trauma Center and Level III Neonatal Intensive Care Unit in St. Louis County, and serves as the community hospital for patients with a variety of conditions and health needs.  

As a teaching and research hospital, Mercy Hospital St Louis utilizes innovative technology and draws health care professionals from across the nations who practice in nearly every clinical specialty.


By providing comprehensive health services within the St. Louis community, Mercy Hospital St Louis has progressively evolved from a 25-bed infirmary for women and children in 1871 to the current Medical Center campus in west St. Louis County, which comprises nearly 80 acres.

The Medical Center campus includes: 979 licensed beds; a fully accredited teaching hospital; a 100,000-square-foot Cancer Center with advanced diagnostic and treatment capabilities; dedicated inpatient women's health services, including a two-story addition exclusively for mothers and babies and featuring all private rooms; comprehensive pediatric services, including a pediatric emergency department and the only pediatric intensive care unit in St. Louis County; the largest Burn Center in Missouri; a 120-bed Skilled Nursing Center; a GI Endoscopy Lab with 12 procedure rooms; a nine-level Heart Hospital with 96 private patient rooms, cardiac catheterization labs and 5 Operating Rooms; and the Surgery Center that provides inpatient and outpatient surgical services in 28 operating rooms.

At Mercy Children’s Hospital St. Louis is a full service facility seeing kids through anything childhood brings. From coughs, croup and broken bones to more serious concerns, like autism, heart problems, even cancer. Mercy Children’s Hospital St. Louis pediatric team specialize in more than 20 different specialties.  Also, they are St Louis County's only pediatric intensive care unit with the top neonatal intensive care unit in the area.

The Pediatric Tests and Treatments area provides sedation for outpatient procedures for those children who need it. These are non-surgical procedures, usually involving radiology or audiology. The unit is staffed by pediatric anesthesiologists and pediatric nurses with PALS certification, supported by pediatric pharmacists.  Tests and Treatments offers: 

  • Audiology

  • EEG

  • Lab

  • Imaging

  • Speech therapy

  • Minor procedures

  • Diagnostic testing

  • GI

Western Anesthesiology Associates, Inc. also services the following clinics for Mercy Hospital St Louis ...

  • Mercy Clinic Physician Services (15945 Clayton Rd; Ballwin, MO 63011)

  • Mercy Endoscopy West County (12990 Manchester Rd; Des Peres, MO 63131)

  • Mercy Endoscopy Lake St Louis (200 Brevco Plaza; Lake St Louis, MO 63367

Visit www.mercy.net/stlouismo to learn more.




339 Consort
St. Louis, MO 63011 

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 Phone:  636-386-9224
Fax:  636-386-7679