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About

Cotton O’Neil Cardiology—Manhattan is part of Stormont Vail Health, a nonprofit healthcare system based in Topeka, Kansas. Stormont Vail Health includes Stormont Vail Hospitals, Cotton O’Neil, and Cotton O’Neil Pediatrics, serving Shawnee County and northeast Kansas since 1884. The Manhattan location extends Cotton O’Neil’s cardiology services within the Stormont Vail Health network, offering specialized cardiac care as part of the region’s integrated health system.

Clinic Type

Cardiology

Address

1325 Research Park Drive, Manhattan, KS 66502

Phone

785-354-6000

Email

hospitalbillinghelp@stormontvail.org

Opening Hours

Not published — contact the clinic to confirm hours.

Services Offered

Insurance & Payment

Languages Spoken

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • Healthgrades (Dr. Gilbert Katz): 2.9 stars (10 reviews)
  • Birdeye (Cotton O'Neil Heart Center): 4.5 stars (35 reviews)
  • Birdeye (Stormont Vail Health): Varies by unit/provider (755 reviews total for system)

Patients praise

  • Professional and thorough clinical care by specific providers
  • Positive outcomes for surgical procedures like ablations
  • Compassionate care reported by some patients during hospital stays

Common complaints

  • Difficulties with patient intake and appointment scheduling
  • Concerns regarding billing practices and financial assistance communication
  • Mixed reports on staff responsiveness and bedside manner in specific units
  • Challenges in navigating communication across the broader health system

"They are polite helpful and full of patience and information. They provide you with different tools ECT that you may need. Thank you to them all for every thing during this last year and in advance for my future appointments."

Birdeye - Patient review of Cotton O'Neil Heart Center

"Called twice to try and set up an appt, first time the lady said they didn’t take UHC and tried to tell her that my husband had made an appointment and received care already on the same insurance."

Birdeye - Patient review of Stormont Vail Behavioral Health Manhattan

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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