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John Humeniuk, MD, FRCP, is an experienced dermatologist with offices in Greer, Greenville, and Simpsonville, South Carolina.

A native of Winnipeg in Manitoba, Canada, and now a citizen of the United States, Dr. Humeniuk earned a Bachelor of Science in Medicine and his medical degree in 1977, both from the University of Manitoba in Winnipeg. After graduating, Dr. Humeniuk completed a rotating internship at the Manitoba Association of Teaching Hospitals in 1978 and a residency in dermatology at Duke University Medical Center in Durham, North Carolina, in 1981.

Upon completion of his residency, Dr. Humeniuk moved to Greenville, South Carolina, and entered private practice in dermatology. Licensed to practice medicine in the state of South Carolina and board certified by the American Academy of Dermatology, Dr. Humeniuk serves a diverse patient population, treating a wide range of skin problems from uncomfortable skin rashes, acne, melasma, and eczema, to potentially dangerous skin cancers. Along with treating chronic diseases, such as psoriasis, Dr. Humeniuk provides a range of treatments that counter the damaging effects of the sun.


Since the early 1990s, Dr. Humeniuk has participated as principal investigator in multiple FDA phase II and phase III therapeutic studies of treatments for dermatologic diseases. Patients are welcome to inquire about openings in other studies that may become available in the future.

To make an appointment or inquire about open studies, call the office or request one online today.

Insurance Plans Accepted

Please call the office for more insurance related questions.

Blue Cross Blue Shield
Golden Rule
MultiPlan / PHCS

Words from our patients

  • Google

    "Unlike one of the reviews before me, I sincerely hope he stays in practice for many many more years. He is a wonderful physician."

    Courtney A.
  • Google

    "Great doctor. He always remembers something about me. Caught a cancerous small pox skin location early. Did procedure on the spot"

    Deck M.
  • Vitals

    "His medical care and treatment have been all successful and his follow up and helpfulness with prevention have been very helpful."

    Self-verified patient
  • Healthgrades

    "When I had a terrible skin reaction from a med given by another doc, he got me straightened out quick. Also, his staff is couteous and helpful."

    Phil W.
  • Google

    "I would recommend Dr. Humeniuk to anyone!"

    Justin D.
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