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Daniel W. Mackey, MD

4.8 out of 5 · 455 reviews

Oncology • Fort Smith, AR

About

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Mercy Clinic Oncology – Fort Smith in Fort Smith, AR offers medical oncology and hematology services. Dr. Daniel W. Mackey is board certified in internal medicine and medical oncology, with training from Baylor University Medical Center and medical education from University of Texas Southwestern Medical School. The clinic is affiliated with Mercy Hospital Fort Smith.

Clinic Type

Oncology

Address

Mercy Clinic Oncology – Fort Smith, 7001 Rogers Avenue, Suite 200, Fort Smith, AR 72903

Phone

479-314-7490

Email

_NCORP@mercy.net

Opening Hours

Not published — contact the clinic to confirm hours.

Website

https://ozarkscancerresearch.org/physicians/medical-oncologists/daniel-w-mackey-md

Services Offered

  • Oncology
  • Medical Oncology
  • Hematology
  • Internal Medicine (Board Certified)
  • Mercy Clinic Oncology – Fort Smith
  • Specialty Oncology – Hematology

Team

  • Daniel W. Mackey, Board Certified in Internal Medicine and Medical Oncology — MD

Insurance & Payment

—

Languages Spoken

—

Social Media

Facebook

Photos

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What Patients Say

Overall sentiment across review platforms: positive

  • Mercy Clinic: 4.8/5 (407 ratings)
  • US News Health: 5/5 (30 reviews)
  • RateMDs: 4.7/5 (6 reviews)
  • Healthgrades: 4.8/5 (12 reviews)

Patients praise

  • compassionate and caring bedside manner
  • informative and thorough medical approach
  • professional and effective treatment management
  • supportive and motivating office staff

Common complaints

  • concerns regarding patient communication and staff interaction
  • disagreements over treatment plans and medication choices
  • complaints about punctuality

"i love this man! this doctor! he really cares for his patient. he and his entire staff are motivators. follow ups are excellent. dr mackey listens, examines and decides on the causes of my concerns, then cures. i have total faith in his abilities as a cancer doctor!"

— RateMDs

"Dr. Mackey won't ever speak to a patient walking by him!!!Mom always sees one off the nurses not him. Won't prescribe Marinol for her nausea and no appetite . . . it a shame the way Doctor Mackey responds to my mom!"

— RateMDs

Synthesized from public review platforms as of Jul 10, 2026 — sources: [1][2][3][4].

In the News

Information sourced from the clinic's website as of July 10, 2026.

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