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Clinic Type

Cardiology

Address

1133 College Ave # B210, Manhattan, KS 66502

Phone

(785) 270-8745

Email

careers@ascension.org

Opening Hours

Not published — contact the clinic to confirm hours.

Emergency Care

If you are experiencing a life-threatening emergency, call 911 or go directly to the ER.

Services Offered

  • Cardiology
  • Heart Care

Team

  • Gilbert Katz — MD
  • Holly M Brannen — APRN
  • Brett A Dawes — APRN
  • Tonya R Grider
  • Priyantha S Ranaweera — MD
  • Erika D Shaw — APRN
  • Mark E McHaney — MD
  • Scott A Coonrod — MD

Insurance & Payment

Languages Spoken

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • Healthgrades (Dr. Gilbert Katz): 2.9 out of 5 stars (10 ratings) (10 ratings)
  • WebMD (Dr. Raymond Dattilo): 4.0 out of 5 stars (15 ratings) (15 ratings)
  • US News (Dr. Priyantha S. Ranaweera): 4 out of 5 stars (3 ratings) (3 ratings)
  • US News (Dr. Gilbert Katz): 5 out of 5 stars (29 ratings) (29 ratings)

Patients praise

  • physicians described as compassionate and knowledgeable
  • reports of improved quality of life and successful procedures
  • appreciation for thorough communication and bedside manner

Common complaints

  • occasional difficulty seeing the physician directly, with some appointments handled by nursing staff
  • inconsistent patient satisfaction ratings across different platforms

"Dr. Katz and his staff have done a fantastic job with my cardiac health. I tried several other cardiologists, & was never comfortable with them. I'm glad to have found him."

Healthgrades

"He accomplished in two procedures what another doctor couldn't do in several procedures over the course of 5 years. He and his staff are very caring and take the time to listen to you."

WebMD

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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