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About

Mercy is a large American nonprofit Catholic healthcare system headquartered in Chesterfield, Missouri. It operates 40–44 acute care and specialty hospitals, with a broad network of over 700 physician and outpatient clinics across Arkansas, Kansas, Missouri, and Oklahoma, plus a presence in 29 countries. The organization employs tens of thousands of staff and physicians, and runs extensive outpatient and specialty services, including nephrology. Mercy was founded in 1871 by the Sisters of Mercy and is one of the largest Catholic health systems in the U.S. If you’re seeking Mercy Clinic Nephrology specifically within a Medical Tower A in Ferguson, this summary confirms Mercy’s nephrology services as part of its broader healthcare network, though it doesn’t provide exact Ferguson location details. For precise address, hours, and providers, please contact Mercy’s Saint Louis region offices or search Mercy’s official site for “Nephrology” in Ferguson, MO.

Clinic Type

Nephrology

Address

621 S. New Ballas Road, Tower A, Suite 437A, St. Louis, MO 63141

Phone

(314)251-6344

Email

disabilityaccommodations@mercy.net

Opening Hours

By appointment only

Services Offered

Insurance & Payment

Languages Spoken

FAQs

What are the office hours?

Hours: By appointment only. Please call to schedule.

Photos

What Patients Say

Overall sentiment across review platforms: negative

  • WebMD (specific to Dr. Brian Ringhofer): 2.5 out of 5 stars (8 ratings and 3 reviews)

Patients praise

  • Some individual physicians at the practice have high ratings (e.g., Dr. Robyn H. Jacobs)

Common complaints

  • Lack of communication from the doctor (staff answers majority of calls/messages)
  • Feeling ignored when attempting to resolve issues with the office
  • Perceived lack of empathy and professionalism
  • Insufficient explanations for medical conditions or treatment plans

"Also had his staff answer 90% of the call/messages I sent so half the time I don't even get to hear his actual opinion. When I reached out to Mercy to report these issues my response was ignored and nobody followed up with me to resolve."

WebMD user review for Dr. Brian Ringhofer

"I would not recommend this doctor. He is extremely unprofessional and lacks empathy. My wife left crying... A kidney doctor, telling someone that is truly saddening."

WebMD user review for Dr. Brian Ringhofer

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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