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About

Michael Johnson, MD | Premier Health Dayton - Premier Health Partners is a nonprofit, the largest comprehensive health care system in Southwest Ohio, headquartered in Dayton (founded 1995). - Mission: We care. We teach. We innovate. We Serve. - Main hospitals: Miami Valley Hospital (Dayton) with Miami Valley Hospital South (Centerville) and Miami Valley Hospital North (Englewood), Atrium Medical Center (Middletown), and Upper Valley Medical Center (Miami County). - Premier Health offers extensive care across 130+ outpatient locations, 8 emergency departments, 8 urgent care sites, home health, mental health, and substance abuse services. - Leadership includes Mike Riordan, President & CEO; Lakmali Ranathunga, VP & CMO; and other senior executives. - Contact: general phone lines listed; HQ address: 110 N. Main St., Dayton, OH 45402. Consider visiting Premier Health’s physician directory or contacting the system’s medical staff offices for exact credentials and departmental affiliation.

Clinic Type

Proctology

Address

5932 Springboro Pike, Dayton, OH 45449

Phone

+1-937-435-8663

Email

help@luminatehealth.com

Opening Hours

Not published — contact the clinic to confirm hours.

Services Offered

  • Colon and Rectal Surgery
  • Proctology
  • colorectal surgery (general)

Team

  • Michael Johnson, MD — Proctology/Colon and Rectal Surgeon

Insurance & Payment

Languages Spoken

  • English

Social Media

Photos

What Patients Say

Overall sentiment across review platforms: positive

  • Kettering Health: 4.6/5 (123)
  • U.S. News & World Report: 5/5 (38)
  • Healthgrades: 4.4/5 (23)

Patients praise

  • Professionalism and caring demeanor
  • Thoroughness in treatment
  • Clear explanations of complex medical conditions
  • Patient trust in expertise

Common complaints

  • Dissatisfaction with communication regarding care plans and explanations
  • Reports of rude office staff
  • Concerns about procedural outcomes and follow-up care

"Dr. Johnson took good care of me. I would definitely recommend Michael Johnson to any of my family and friends."

Healthgrades

"Office staff were amazing. Dr. was unable explain core issue or clarify plan of care. ... Would not recommend Dr. Johnson."

Healthgrades

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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