OUR TEAM
Our Physicians

John Erikson Yap, MD, MBA
Gastroenterologist
Director of the Center for Advanced Interventions (CAI)

Nada Hindiyeh, MD, FAHS
Neurologist
Headache Specialist

Igor Huzicka, MD
Diagnostic Specialist

Anne Maitland, MD
Allergey/Immunology Specialist

Joseph Berman, MD
Internal Medicine
Our Clinical Team

Aferdit Sadrija, PA-C
Physician Assistant

Brittany Jorgensen, MSN,
APRN, FNP-C
Nurse Practitioner

Ben Ostler, MOT, OTR/L, CSRS
Occupational Therapist

Kasey Mitchell, MOT, OTR/L, CLVT
Occupational Therapist

Thomas Cayias, MOT, OTR/L
Occupational Therapist

Sarah Gallant, MS, CCC-SLP
Speech-Language Pathologist
Orofacial Myology Specialist

Alexandra Cayias, MS
Speech-Language
Pathologist

Katie Johnson, PT, DPT, OCS
Physical Therapist

Ryan Pelo, PT, DPT, NCS
Physical Therapist

Kelsi Schiltz, PT, DPT, NCS
Physical Therapist

Amy Pham
Dietitian
Our Leadership
Our executive leadership team is made up of world-renowned physicians, scientists, and tech leaders. Their combined expertise and experience position Metrodora Institute as a world leader in the space of neuroimmune axis disorders.

John Wirthlin
Chief Executive Officer
Metrodora Institute

Laura A. Pace, MD, PhD
Co-Founder
Metrodora Institute

James Hemp, PhD
Chief Scientific Officer and Co-Founder Metrodora Institute

Fidji Simo
President and Co-Founder Metrodora Foundation