Meet Our

Clinical Team

Our World-Class Dermatopathologists

The Right Case to the Right Pathologist at the Right Time

PathologyWatch provides access to the leading network of pathologists in the United States and Europe, with over 20 top-tier physicians registered. Our network covers surgical pathology, dermatopathology, and other subspecialties. The team is available 24/7, including for frozen/operating room coverage.

Our Clinical Team

marty mihm

Martin Mihm Jr., MD

Dermatology | Dermatopathology

  • World-renowned expert in dermatopathology
  • US board certified in dermatology, anatomic pathology, and dermatopathology
  • Frequent speaker at national and international pathology and dermatology conferences
  • Author of over 400 articles and 12 books
  • Dermatology and pathology residencies at Massachusetts General Hospital
Raymond Barnhill, MD

Raymond Barnhill, MD

Dermatopathology

  • World-renowned expert in melanoma, dermatopathology, and ophthalmic pathology
  • Board certified in dermatology (USA), dermatopathology (USA, Europe), and anatomic pathology (France)
  • Author of over 275 articles, more than 40 chapters, and five books on melanoma, dermatopathology, and dermatology
  • Fellowship in pathology and dermatopathology at Miami University and Yale University and postdoctoral fellowship at Oxford
Birgitta Schmidt, MD

Birgitta Schmitt, MD

Pediatric Dermatopathology

  • National expert in pediatric dermatopathology
  • US board certified in anatomic and clinical pathology and dermatopathology
  • Author of numerous publications in the field of pediatric dermatopathology
  • Dermatopathology fellowship in the combined Harvard program
  • Pathology residency at Brigham and Women’s Hospital in Boston
Darren Whittemore, DO

Darren Whittemore, DO

Dermatopathology

  • US board-certified in anatomic and clinical pathology and dermatopathology
  • Completed fellowship in dermatopathology at the University of Texas Health Science Center at Houston
  • Completed anatomic and clinical pathology residency at the combined US Air Force Wilford Hall Medical Center/Brooke Army Medical Center Program in San Antonio, Texas
readinger advisory

Allison Readinger, MD

Dermatology | Dermatopathology

  • Practicing dermatologist and dermatopathologist in Fort Worth, Texas
  • Served as president of the Texas Dermatological Society
  • Founded Trinity Vista Dermatology in 2010
  • Contributes to medical education at Baylor University Medical Center in the field of dermatopathology
Dr. Bonnie Balzer PathologyWatch

Bonnie Balzer MD, PhD

Dermatopathology

  • US board certified and diplomate in anatomic pathology and dermatopathology
  • Anatomic pathology residency and surgical pathology fellowship at Stanford University
  • Soft tissue fellowship with Sharon Weiss, Emory University
  • Combined dermatopathology fellowship and Weill Cornell Medical Center/Memorial Sloan Kettering Cancer Center
  • Author of publications in the fields of surgical pathology and dermatopathology
Devon Gimble, MD

Devon Gimbel, MD

Dermatopathology

  • US board certified in anatomic pathology and dermatopathology
  • Fellowship in dermatopathology at the combined Harvard program
  • Anatomic pathology residency at Massachusetts General Hospital
Johanna B. Moore, MD

Johanna B. Moore, MD

Dermatopathology

  • US board certified in anatomic pathology, clinical pathology, and dermatopathology
  • Anatomic and clinical pathology residency training at Massachusetts General Hospital
  • Harvard combined program dermatopathology fellow
  • University of California, San Francisco dermatopathology visiting fellow
  • Co-medical director, Western Diagnostic Services Laboratory and French Hospital Regional Medical Center Laboratory
Johanna B. Moore, MD

Katie Messner, DO

Dermatopathology

  • Board certified in anatomic and clinical pathology, molecular and genetic pathology, and dermatopathology
  • Completed anatomic and clinical pathology residency at the University of Illinois at Chicago
  • Completed molecular and genetic fellowship at University of Alabama at Birmingham
  • Completed dermatopathology fellowship at University of Colorado Anschutz Medical Campus
Ryan Lundell, MD

Ryan Lundell, MD

Dermatopathology | Hematopathology

  • US board certified in anatomic and clinical pathology, hematopathology, and dermatopathology
  • Completed two-year fellowship in dermatopathology and immunodermatology at Mayo Clinic in Rochester, Minnesota
  • Completed hematopathology fellowship and pathology residency at the University of Utah
Rajni Mandal, MD

Rajni Mandal, MD

Dermatopathology

  • US board certified in anatomic pathology and dermatopathology
  • Author of numerous publications in the fields of surgical pathology and dermatopathology
  • Dermatopathology fellowship at New York University
  • Surgical pathology fellowship and anatomic pathology residency at Massachusetts General Hospital

Let’s Get Started

We would love the opportunity to come by your office to show you more about how PathologyWatch can help your practice.