Your People
Healthcare is a team effort.
Every visit to Washington Regional Medical Center is supported by a dedicated team working together to provide outstanding care. Whether you’re greeted at the front desk, cared for by a nurse, treated by a physician, or assisted behind the scenes, our employees share one commitment—to serve our community with professionalism, kindness, and respect.
Meet the People Behind Your Care
Our physicians and advanced practice providers bring a wide range of expertise to Washington Regional Medical Center. Each is committed to delivering high-quality, compassionate care while helping patients and families achieve their best possible health.
Your Providers
Our physicians and advanced practice providers are dedicated to improving the health and well-being of our communities through trusted expertise, thoughtful guidance, and quality medical care. Meet the professionals who make a difference in the lives of patients and families every day.
John T. Meredith, MD
LEad Provider
emergency and hospitalist
Chrystie Smith, NP
emergency and hospitalist
specialty: hospitalist
Lois Joyce Roberson, DFNP
emergency and hospitalist
specialty: emergency medicine, cardiology, pediatrics, chronic diseases
Richard Stewart, MD
Médico Hospitalista
Specialty: Médico Hospitalista
Michael Marks, CNP
emergency medicine
specialt: family
Stephen Futh, PA
Emergency Medicine
Specialty: Physician Assistant
Jeff Severa, DO
Specialty: Internal Medicine
Ahmad Rana, MD
Emergency Medicine
Specialty: Emergency Medicine
Sandra Terry, NP
emergecny medicine
Specialty: Family
Anne Cossogue, MD
OP Specialty Clinic
Specialty: Foot & Ankle Surgery
Bora Duruman, MD
OP Specialty Clinic
Specialty: Obstetrics & Gynecology
Elizabeth Batchler, NP
Family Medicine
Specialty: Family
Lawrence Larabee, MD
OP Specialty Clinic
Specialty: Orthopaedic Surgery
Christy House, FNP-BC
primary care
Specialty: family medicine
Karen Bell, FNP-C
primary care
Specialty: family medicine
Nirmala Tumarada, MD
Telehealth / OP Specialty Clinic
Specialty: Pulmonary Disease
Anna Chacon, DMP
Telehealth / OP Specialty Clinic
Specialty: Dermatology
Abdelrahman Abdelaziz, MD
Telehealth / OP Specialty Clinic
Specialty: Psychiatry
Nasir Malik, MD
Telehealth / OP Specialty Clinic
Specialty: Neurology
Our Executive Team
Behind every exceptional healthcare experience is a leadership team committed to supporting our staff, advancing our mission, and serving the communities that place their trust in us.
Frank Avignone
Chief Executive Officer
Tonda Garrison
Chief Clinical Officer
Bruce Patterson
EVP Business Development & Business Affairs
Jennifer Coons
National Director of Clinical Operations
Russ Anduza
Director of Corporate Information Technologies
Hospital Leadership
Our Hospital Leadership team believes that exceptional healthcare begins with exceptional people. By supporting our caregivers, encouraging innovation, and leading with compassion, they foster a culture where every patient is treated with dignity, respect, and the personalized attention they deserve.
Muffin Dickerson-Boyd
Laboratory Director
Edie Hauser, RPH
DirectorOF PHARMACY
Melissa Peterson, LPN
Director of finance &
business office
Chris Odom, CHE
Director of Bio-Med/Safety
Lori Sabene
HR Generalist
Monique Norman
EVS Director/payroll assiStant
Garrett Wildermuth
Security director
Stephanie Garrett, RN – BSN
infection & quality control coordinator, grievance officer
Tammy Manning
Executive Assistant
Daniele Davis
direrector of outpatient
specialty clinic
DaShaun Mason
Director of plantops
Debora Staton
director of respiratory
Gale Norman
direrector of dietary
Ashley Hopkins
Director of Clinics
Jolie Barnes, RT – R
Director of radiology
Lisa Tucker
Duke Partnership
Clinical Liaison
Laura Price
director of nursing
Español de México 
English