Mercy & Truth Healthcare Ministry
  • About
    • Statement of Faith
    • History
    • Leadership
    • Board
    • Careers
  • Services
    • Primary Care
    • Behavioral Health
    • Pharmacy Partner
  • Clinics
    • KCK Clinic
    • Shawnee Clinic
  • Providers
  • Call Us
    • WYCO 913-621-0074
    • JOCO 913-248-9965
  • Missions
    • Our Strategy
    • Kenya 2025
    • Ecuador 2025
    • Mexico 2025
    • Join a Team
    • FAQs
  • Give
  • Get Involved
  • Pay My Bill
  • About
    • Statement of Faith
    • History
    • Leadership
    • Board
    • Careers
  • Services
    • Primary Care
    • Behavioral Health
    • Pharmacy Partner
  • Clinics
    • KCK Clinic
    • Shawnee Clinic
  • Providers
  • Call Us
    • WYCO 913-621-0074
    • JOCO 913-248-9965
  • Missions
    • Our Strategy
    • Kenya 2025
    • Ecuador 2025
    • Mexico 2025
    • Join a Team
    • FAQs
  • Give
  • Get Involved
  • Pay My Bill

Meet Our Providers

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Natalie Saisi, DNP, APRN, FNP-C
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Chief Clinical Officer​

Natalie is a board-certified family nurse practitioner through the American Association of Nurse Practitioners. She graduated with her Doctor of Nursing practice in 2023 and her Master of Nursing practice in 2016 from the University of Kansas Medical Center. She earned her Bachelor of Nursing practice from Avila University in 2010. 

Prior to serving at Mercy & Truth, Natalie worked as a registered nurse for over 6 years in the hospital setting on a variety of units including medical-surgical, urology, telemetry, and bariatrics. She has over 5 years experience as an advanced practice registered nurse (APRN) provider in primary care, and 2 years experience at a pain management facility.

Natalie is married with adult children and grandchildren. She loves spending time with her family, going for nature walks, traveling, or just enjoying simple conversations. She also enjoys reading and roller blading, and loves being outdoors, especially during Autumn.  

​Nicholas Michalski, MD •  Johnson County Clinic

Dr. Michalski graduated from the University of Kansas Medical Center in 1980 and completed his residency there in 1983.  He worked as an emergency room physician at Shawnee Mission Medical Center for four years before opening up his private practice as a family doctor in 1988.  Dr. Michalski has enjoyed providing a medical home for patients of all ages.

​For many of his patients, he has been their family doctor throughout their life.  Dr. Michalski serves both insured and uninsured patients and accepts both Medicaid and Medicare.

​Genaro Olmedo, APRN •  Johnson County Clinic 
 

​Vicky Mwarey, APRN, FNP  •  Wyandotte County Clinic

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Vicky is an ANCC board certified Family Nurse Practitioner. She was born and went to high school in Eldoret, Kenya.

She earned a Bachelor of Science in Nursing from University of Kansas. She graduated with a Master of Science degree in Public Health Nursing from MidAmerica Nazarene University and holds a post-Masters Certificate in Nursing from Graceland University.

​Vicky has over 15 years of nursing experience. She has worked in a variety of inpatient and outpatient settings, including geriatrics, orthopedics, rehab nursing, acute and chronic care management. Vicky’s passion is to provide holistic and quality care to all her patients.

Vicky lives with her husband and two children. When not working, Vicky loves to travel and spend time with family and friends.
​

Vicky speaks English and Swahili.

Katie Leimkuehler, APRN
Family Nurse Practitioner
Johnson County Clinic
Wyandotte County Clinic

Yvonne Ornelas-Rios, APRN
Family Nurse Practitioner
Wyandotte County Clinic

Behavioral Health Integrated Services

​​Jason Bohn, MS, LCPC
Director 

​​Mack Harnden, PhD
Licensed Psychologist
Wyandotte County Clinic (Wed. am)
Johnson County Clinic (Wed. pm)

​Roy Rotz, PhD
Licensed Psychologist
Wyandotte County Clinic (Tues. am)
Johnson County Clinic (Tues. pm)
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WYANDOTTE COUNTY
​
721  N. 31st Street
Kansas City, KS 66102
[email protected]
913-621-0074
JOHNSON COUNTY
11644 W. 75th Street, Suite 103
​Shawnee, KS 66214
[email protected]
913-248-9965
FQHC
Mercy & Truth Healthcare Ministry is a 501c(3) Federally Qualified Health Center Look-Alike.
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​​© 2025 Mercy & Truth Healthcare Ministry.
​
All Rights Reserved.