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About

Summary: The page describes OHA-Oncology Hematology Associates, a hospitals and health care provider based in Springfield, Missouri, with three office locations in the United States. It does not mention a new clinic opening in Lebanon. If you’re seeking news about a Lebanon location, this page does not confirm such an expansion.

Clinic Type

Hematology

Address

1228 Deadra Drive, Lebanon, MO

Phone

8559632100

Email

Caroline.Hewitt@AONcology.com

Opening Hours

Not published — contact the clinic to confirm hours.

Services Offered

  • Medical Oncology
  • Hematology
  • Infusion Services
  • Laboratory Services
  • Clinical Trials
  • Care Coordination
  • Oral Oncolytic Medications
  • Pharmacy Services
  • Infusion Center

Team

  • Jiantao Ding, MD — MD, Medical Oncologist
  • Brooke Gillett, DO — DO, Hematology/Oncology Specialist
  • Robert Ellis, MD — MD, Oncologist

Insurance & Payment

On-site infusion center, Medicare, Medicaid, Commercial insurance, Cash pay

Languages Spoken

  • English

Social Media

Photos

What Patients Say

Overall sentiment across review platforms: positive

  • Birdeye: 4.9/5 stars (374 reviews (aggregate for OHA))
  • Birdeye (separate entry): 5/5 stars (28 reviews)

Patients praise

  • Patient-centric care approach
  • High patient satisfaction scores (cited by practice as 96.1%+)
  • Supportive of caregivers, family, and patients throughout the treatment journey
  • Comprehensive on-site services (infusion, lab, pharmacy, and clinical trials)

Common complaints

  • Difficulty reaching the clinic via telephone
  • General employee complaints regarding management, staffing, and pay (not specific to patient experience)

"It Sure would be nice if someone would answer the phone. If you're that short, staffed hire someone to help. This is super frustration to keep calling when you don't feel well."

Patient review on Birdeye

"OHA continuously earns high patient satisfaction scores of 96.1% and above."

Oncology Hematology Associates official blog

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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