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Marworth staff

Every employee at Marworth is dedicated to helping you or your loved one choose the road to recovery from addiction and stay on course. The Marworth team includes physicians, nurses, counselors, admissions staff, social workers, administrators, community relations representatives, environmental and food service workers, maintenance personnel, fellows and interns, and more.

The credentials of Marworth's staff demonstrate our commitment to providing compassionate care in a structured alcohol and chemical dependency program. Highlights of our professional team include:

  • A medical director, board-certified in addiction medicine
  • An admissions director who is a masters-level social worker with extensive experience in addiction treatment
  • Psychiatric consultations conducted by Margaret Jarvis, MD, board-certified in psychiatry, addiction psychiatry, and addiction medicine
  • Social workers experienced in the alcohol/chemical dependency field
  • Counselors certified in addiction treatment
  • Primary counselors trained specifically in treating healthcare professionals and uniformed professionals
  • Nurses certified in addiction nursing
  • Certified recreation therapy specialists


Margaret Jarvis, MD, Chief
Division of Addiction Medicine
Department of Psychiatry, Neurosciences Institute
Specialty: Psychiatry
Undergraduate: Sweet Briar College
Medical school: Medical College of Virginia
Internship, residency & fellowship: Medical College of Virginia
Board certifications: Psychiatry, addiction psychiatry, addiction medicine
Joined Marworth: February 1999

Kim Kabernagel, MD, Medical Director
Medical School: Philadelphia College of Osteopathic Medicine           
Residency: Wellspan York Hospital Family Medicine            
Board certification: Addiction medicine
Joined Geisinger: 2016

Olatunde (Tunde) Bosu, MD, Addiction Medicine Fellowship Program Director
Medical School: Yale University School of Medicine
Residency: University of Alabama-Birmingham Family Medicine Residency
Board certifications: Family medicine, Addiction medicine
Joined Geisinger: 2017

Michele Davis, MS, CAADC, LPC, Director of Counseling
Master of Rehabilitation Counseling: University of Scranton
Joined Marworth: April 1995

William Poray, LCSW, CAC, Director, Outpatient Programs
Master of Social Work: Marywood University
Joined Marworth: June 2001

Valerie Noel, M.Ed, CAADC, Counseling Manager
Master of Counseling & Human Services: Lehigh University
Joined Marworth: April 2012

Michael Grier, CAADC, LPC, Primary Counselor
Master of Rehabilitation Counseling: University of Scranton
Joined Marworth: March 2005

Dana Kromko, MSW, Director of Admissions
Master of Social Work: Marywood University
Joined Marworth: 2000

Call Marworth at 800-442-7722 to speak with an admissions counselor. You can enroll in a substance use recovery program yourself or refer someone else for treatment. Many people are referred to Marworth by a family member, family doctor, therapist, employer, employee assistance program, insurance provider, clergy, community organization or another drug and alcohol center.

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