Program Faculty



Richard Miller, DO

Program Director

  • Undergraduate: University of Michigan
  • Medical School: Michigan State University
  • Residency: Sun Coast Hospital
  • Awards & Accolades: Dermatology Program Director at NSUCOM at Largo Medical Center; Tampa Metro Magazine’s Best Doctors List of 2017 in the specialty of Dermatology, award winning Instructor of the year at Largo Medical Center

David Esguerra, DO

  • Undergraduate: Emory University
  • Medical School: University of New England College of Osteopathic Medicine
  • Residency: Largo Medical Center
  • Awards & Accolades: Psi Sigma Alpha National Medical Honor Society

Kristen Witfill, DO

  • Undergraduate: Georgetown University
  • Medical School: Lake Erie College of Osteopathic Medicine
  • Residency: Largo Medical Center
  • Awards & Accolades: Big East Conference Player of the Year in 1993; induction into the High School Athletic Hall of Fame in 1997, Instructor of the year at Largo Medical Center

David Dorton, DO

  • Undergraduate: University of South Florida
  • Medical School: Nova Southeastern University College of Osteopathic Medicine
  • Residency: Gulf South Medical and Surgical Institute
  • Awards & Accolades: Patient Reviews Magazine Top Doctor for Dermatology in 2018; Two-time award winning Instructor of the year at Largo Medical Center

Risa Ross, DO

  • Undergraduate: University of Florida
  • Medical School: Nova Southeastern University College of Osteopathic Medicine
  • Residency: Largo Medical Center
  • Awards & Accolades: The Daniel Koprince Educational Award

Daniel Hogan, MD

  • Undergraduate: Dalhousie University College of Medicine
  • Medical School: Dalhousie University College of Medicine
  • Residency: Ottawa Hospital
  • Awards & Accolades: American Academy of Dermatology Member of The Leadership Circle for Volunteerism at the Silver level, Listed in Best Doctors in America

Keith Baribault, MD

  • Undergraduate: Harvard University
  • Medical School: Albert Einstein College of Medicine
  • Residency: New York Presbyterian Hospital Columbia University Medical Center
  • Fellowship: Ackerman Academy of Dermatology
  • Awards & Accolades: Alpha Omega Alpha Honor Medical Society

Kenneth Calder, MD

  • Undergraduate: University of Central Florida
  • Medical School: University of South Florida College of Medicine
  • Residency: University of South Florida College of Medicine
  • Fellowship: Dermatopathology at University of Arkansas for the Medical Sciences
  • Awards & Accolades: Clinical Research Award and Barness/Benke Humanism in Medicine Award

HCA Florida Largo Hospital
201 14th St SW
Largo, FL 33770
Telephone: (727) 588-5200