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 General Information: 314.996.7020 | 844.996.7020

Meet Our Team

The Post-Acute Care Team


BJC Accountable Care Organization’s (ACO) post-acute care team provides continuity of care as patients transition from the hospital to post-acute care/skilled nursing facility and then back to their home setting.

Amrita Singh, MD

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Amrita Singh, MD, is part of the post-acute care program of BJC Accountable Care Organization (ACO). Dr. Singh is a highly trained and experienced geriatrician who provides easy access for patients during this critical time. She received her medical degree from Government Medical College. She completed her internship and residency at St. Joseph Hospital in Chicago. She also completed a fellowship in geriatric medicine at Rush University Medical Center in Chicago.

Gina Uzendu, NP

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Gina Uzendu, NP, has been practicing since 2007. She attended nursing school at Maryville University in St. Louis, MO and completed a preceptorship with Veteran’s Affairs Hospital.

Mweemba Chipepo, NP

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Mweemba Chipepo, NP, is a board-certified Adult Nurse Practitioner. He received his Master’s of Science in Nursing from Goldfarb School of Nursing at Barnes-Jewish College. Mweemba has a unique passion for serving the elderly and provides compassionate care to all his patients.

Care Partners


Lara Kerwin, PharmD, BCACP, Clinical Pharmacist

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Lara Kerwin, PharmD, BCACP, is a board-certified, ambulatory care pharmacist. She received her Doctor of Pharmacy degree from the University of Missouri-Kansas City School of Pharmacy and completed a two-year residency at the University of Minnesota College of Pharmacy. Her areas of expertise include patient-centered, pharmacist-provided care and leadership.

Adam Mayhew, RN, BSN

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Hello, my name is Adam and I work as a care partner to support patients transitioning from hospital to home by offering them assistance with medications, follow up appointments, and therapies. I also assist patients with chronic health care needs who may not have had a recent hospitalization, but may benefit from an additional layer of nursing support. I work closely with patients’ physicians for continuity of care and timely management of health care issues.

Alison Lowe RN, LCSW, CCM

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Hello my name is Alison. As a care partner, I act as a resource to patients and their families. I can help coordinate services that patients receive and communicate with your doctor’s office directly when needed.  I am here to provide education and support.

Arielle Kniffen, MSW, LCSW

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The first thing people usually ask me is if I was named after Disney’s The Little Mermaid, Ariel; the answer is no. When I was born my mother was on a Shakespeare kick and named me after a sprite from Shakespeare’s play The Tempest. I am a nature enthusiast and I love hiking, camping, kayaking and exploring. One of my biggest travel dreams is to explore the Amazon River with my husband.