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About

Summary: The Mercy organization is a nonprofit Catholic health system serving the Midwest and beyond. It operates 40+–44+ acute care and specialty hospitals (varies by source), over 700 physician and outpatient clinics across Arkansas, Kansas, Missouri, Oklahoma, and other regions, and employs tens of thousands of staff. Mercy is headquartered in Chesterfield, Missouri, and traces its roots to 1871–1886 (founded by the Sisters of Mercy). It is the seventh-largest Catholic health system in the U.S. and operates several Mercy-branded clinics and hospitals, including Mercy Clinic Behavioral Health in various locations. For Oklahoma specifically, Mercy provides extensive healthcare services through Mercy Clinic and Mercy Plaza in Oklahoma City as part of its Oklahoma footprint. If you need directions, services, or contact details for Mercy Clinic Behavioral Health at Mercy Plaza Oklahoma City, I can pull the latest location and appointment information.

Clinic Type

Behavioral Health

Address

Mercy Clinic Behavioral Health Mercy Plaza, 40 Mercy Plaza, St. Louis, MO 63141

Phone

Email

Opening Hours

Not published — contact the clinic to confirm hours.

Services Offered

Insurance & Payment

Languages Spoken

What Patients Say

Overall sentiment across review platforms: mixed

  • Rehab.com (aggregating Google reviews): 3.7/5 stars (3 reviews (aggregate))

Patients praise

  • Patients feeling heard and genuinely cared for by clinicians
  • Clinicians paying attention to the details of patient well-being

Common complaints

  • Perceived greed and lack of interest in patient care
  • Poor organization and coordination of care
  • Communication issues, specifically regarding call responsiveness while patients are at work

"Very greedy. No interest in helping you... I had a question about my medication not working. Instead of finding out the issues he said continue taking it and schedule an appointment."

LocalityBiz review (Michael Hutchins)

"They are unorganized, moving you from person to person. They don't contact you in the way you told them... and then get upset when you don't answer."

LocalityBiz review (Stephen Thorpe)

"My psychologist was the best. She always listened to me and paid attention to the little details and cared about my well being."

Rehab.com review

Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 11, 2026.

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