Our Providers

W. Ronald Gaertner, M.D.,L.F.A.P.A.,A.B.A.M.
Dr. Gaertner

Dr. Gaertner formed Gaertner Psychiatric PC in 2013 to provide outpatient services to the Fredericksburg, VA and Richmond, VA areas. He also provides inpatient services at Mary Washington Hospital in Fredericksburg, VA.  In addition to his outpatient practice, he has been the Medical Director at Snowden at Fredericksburg and Behavioral Health Services Medical Director for Mary Washington Hospital since 2007.  Previously while in private practice in Richmond, VA and he served as the Behavioral Health Services Regional System Director for Bon Secours Richmond Health System and the Medical Director for Outpatient Substance Abuse for VCU Health Systems, MCV Physicians in Richmond. 

Dr. Gaertner completed his medical degree at Louisiana State School of Medicine and his psychiatric residency at Ochsner Clinic in New Orleans, LA.  He also completed a fellowship in the study of autistic disorders.  Dr. Gaertner is board certified in both psychiatry and addictionology.  


Rajalla Prewitt, M.D.

prewitt pic

Dr. Prewitt is a Board Certified Adult, Child and Adolescent Psychiatrist with 13 years of experience in various clinical settings including inpatient mental health units, outpatient treatment and consultation liaison. She received her medical degree from the Ohio State University of Medicine and Adult residency training at the University of Cincinnati as well as fellowship training in Child and Adolescent Psychiatry at Children’s Hospital of Cincinnati, where she served as chief fellow. She began her professional career with the Center For Family Guidance in New Jersey and held various administrative positions as the Women’s Medical Director, Adolescent Medical Director at Friends Hospital as wells as the Medical Director of Behavioral Health At South Jersey Health Care. She currently serves as a Staff Psychiatrist at Mary Washington Hospital and provides outpatient medication management treatment for Adults, Children and Adolescents at Gaertner Psychiatric. She enjoys spending time with her family, hiking and training for the next half marathon.


Pamela R. Faulkner, R.N.C.S.,A.N.P., B.C.
pampicPamela R. Faulkner, RNCS, ANP, BC was employed at the VCU Medical Center as an RN, nurse manager, clinical nurse specialist, and adult nurse practitioner for 23 years before leaving for private practice in psychiatry.  She became interested in brain function and mental illness during her years working in the Neuroscience ICU, Neurosurgery floor, and the Brain Injury Rehabilitation unit.  In 1987 Pam achieved her master’s degree in Adult Psychiatric-Mental Health nursing from the Virginia Commonwealth University. Later she obtained a post-master’s certificate as an adult nurse practitioner.  She has worked as a nurse practitioner in Psychiatry for 9 years with an emphasis on women’s issues and healthy living.  She enjoys helping individuals with a variety of challenges including depression, anxiety, adult autism disorder, bipolar disorder, and ADD/ADHD.

In her spare time, she is a member of the Sportsbackers’ Marathon Training Team and Richmond Road Runners.  She loves to garden and birdwatch in her backyard. She is married and has one adult son. Pam especially enjoys her three cats and hound dog, Willow.


Elizabeth Wheatley, D.N.P.,F.N.P.-C., P.M.H.N.P.-B.C .

Eliz Wheatley picElizabeth has over 38 years experience in healthcare. Her Bachelor’s degree is from Florida State University. She has a Masters in Human Relations from Liberty University with both a Masters in Nursing and Post Masters certificate from University of Virginia. She is board certified as a Family Nurse Practitioner through the American Association of Nurse Practitioners (AANP) and Family Psychiatric/Mental Health Nurse Practitioner through American Nurses Credentialing Center (ANCC). Her Doctor of Nursing Practice is from University of South Alabama with a doctoral project entitled: Assessment for Post-traumatic Stress Disorder (PTSD): Diagnosis, Interventions, and Length of Stay Quality Improvement Initiative.

Dr. Wheatley has nurse practitioner practice experience in family practice as well as psychiatric care. Her mental health practice includes an interest in individual experience and impact of trauma as well as church education regarding trauma impact and support. Elizabeth’s practice philosophy is a partnership with patients from a holistic perspective. This includes medical, psychosocial, and spiritual elements as needed by individual patients.

Professional memberships include: Sigma Theta Tau, Beta Kappa Chapter; American Association of Nurse Practitioners; Virginia Council of Nurse Practitioners; and International Society for Traumatic Stress Studies.

Outside her NP responsibilities, Elizabeth enjoys time with her family, gardening, fishing, and assorted creative activities.


Sue Duke, M.S.N.,A.N.P.


Sue is an Adult Nurse Practitioner with over 30 years of psychiatric experience.  Upon receiving her Bachelor’s Degree in Nursing from VCU and her RN certification, she cared for patients in a variety of psychiatric inpatient and outpatient settings before obtaining her Master’s Degree in Nursing from James Madison University in 2009.   As a nurse practitioner in a Richmond psychiatric office for five years, she independently managed a range of mental health conditions, including mood, anxiety and psychotic disorders.   She most recently worked on the inpatient psychiatric unit at Virginia Commonwealth University Medical Center, specializing in acute schizophrenia management.  Sue’s primary interests include mood, anxiety and psychotic disorders.  She uses a holistic approach to integrate behavioral and medical health treatment concerns.  Sue enjoys camping, hiking, kayaking and reading historical biographies as well as spending time with her two granddogs, Ellie and Nacho.  Sue will be seeing outpatients in the Richmond office.


Vicki McKay, N.P.

VICKI MCKAY 9-4-2015

Victoria McKay graduated from nursing school in 1982 and was awarded her master’s degree from Catholic University in 1989 with majors in Nursing Education and Pediatrics. She has been a pediatric nurse practitioner for 25 years. She graduated from Rush University in 2008 with a post-masters certification as a family psychiatric nurse practitioner and has practiced exclusively in psychiatry since then. In 2009 she received a second post masters degree as a Clinical Nurse Specialist in psychiatry.

Ms. McKay has experience in the diagnosis and medication management of children,adolescents and adults needing evaluation and treatment for mental health concerns. Ms. McKay only sees patients at Mary Washington Hospital (Snowden).


Crystal Miller-Williams, N.P.

Crystal has been a Nurse Practitioner for years.  She has a degree from the University of Detroit Mercy. She has two certifications, Family Nurse

Practitioner and Psych – PMHNP.  Crystal has lived in the Fredericksburg area since 2008.





Guerlyne Henson, N.P.     

Guerlyne Henson is a Family nurse practitioner who specializes in general inpatient and outpatient setting. She is from Queens, NY, completed her undergrad in Charlotte, N.C at Queens University then went to Walden University in Minneapolis, MN where she graduated as a Family Nurse Practioner. As a nurse practitioner in Richmond, VA she works with the Veteran population managing chronic disease-processes and manages a variety of psychiatric inpatients at Snowden facility performing H&P and consults for concern of certain diagnosis patient may have in psychiatric facility. Guerlyne is a lifelong learner and is always eager to learn new information while incorporating a holistic approach to integrate behavioral and medical health management. Guerlyne is married with 4 kids (22, 13, 10, and 9), when she is not working, she enjoys listening to her audio book while exercising then goes home and watch a good lifetime movie, SYFY and Netflix binge.


Joshua Carter, MS, PA-C

Josh will provide inpatient services at Mary Washington Hospital in Fredericksburg, VA as well outpatient services in the Gaertner Psychiatric Clinic in Fredericksburg, Virginia. He graduated magna cum laude from University of Mount Olive (UMO) with a degree in Exercise Science and a minor in Biology. During his time at UMO he received numerous accolades for academics and athletics, including being 3x All-American.  He received his medical training from Lincoln Memorial University – Debusk College of Osteopathic Medicine (LMU-DCOM) where he graduated magna cum laude. He is board certified by the NCCPA, and soon to be board certified in Psychiatry. Prior to joining Gaertner Psychiatric he worked in a outpatient clinic under the direct supervision of the practicing psychiatrist to provide psychopharmacology recommendations to the clinics most complex patients. In that setting he also provided an introductory style counseling for couples and individuals. More recently he’s worked at multiple inpatient psychiatric facilities across VA and NC. He enjoys working with all types of mental health challenges, but holds special interests in PTSD, bipolar, personality disorders, forensic psychiatry, psychopharmacology, sport psychology, and addiction medicine. In addition to psychiatry he has worked at multiple medical facilities as a hospitalist and plans to become board certified in hospital medicine later this year. He looks forward to extending Dr Gaertner’s Psychiatric services to patients in the hospital and clinic, as well working with many of the other talented and bright providers/staff that are already a part of the Gaertner Psychiatric team.

In his spare time, he enjoys all types of fishing, spending time at the beach, traveling, charity softball, snow skiing, snowboarding, tennis, golf, all types of live music, and generally anything that allows him to be outdoors.


Henna Habib PA-C

Henna Habib is a 2015 graduate from Temple University, receiving her Bachelors of Science in Kinesiology. She completed her Masters in Physician Assistant Studies at Chatham University in 2017. In addition to specializing in outpatient psychiatry for two years, Henna’s clinical experience includes pediatrics, internal medication, emergency medicine, and surgery. At Gaertner Psychiatry, she specializes in medication management for all age groups, including children, adolescents, and adults. Henna is happily married with one newborn son. In her spare time, she enjoys spending time with her husband, family, and friends. Henna will be treating patients in the Fredericksburg office.


Auryana Malek FNP

Auryana graduated from George Washington University with her Master of Nursing as a Family Nurse Practitioner. She has experience in critical care and PACU as a RN. She specializes in pain management.

Auryana will be working with in-patient care only at Snowden of Fredericksburg and Mary Washington Hospital.

Emily Torres FNP

Emily Torres is a Board-Certified Family Nurse Practitioner.  Mrs.  Torres first entered into the mental health field in 2001 working with children in a residential facility.  This led her to complete her nursing degree in 2005.  Mrs.  Torres continued to serve the mental health community across several states and in different capacities including as a case manager, care coordinator, charge nurse and nurse educator.  She completed her Bachelor’s in Science of Nursing in 2017, graduating Summa Cum Laude from Capella University.  Most recently, Mrs. Torres finished her Masters in Science of Nursing from Simmons University, and joined Sigma Theta Tau International Honor Society in Nursing.

In her free time, Mrs. Torres enjoys trail hiking and is currently training for a 5K.

Emily Torres, FNP will be seeing both inpatients and out-patients for Gaertner Psychiatric, PC.

Sreeja Jayakumar FNP

Sreeja Jayakumar FNP-BC, is a board-certified family nurse practitioner who has over 15 years of experience in health care field. Her Bachelor degree in Nursing from Medical College, India and Masters in nursing – specialized in family medicine from South University, Savannah.  She is devoted to providing continuing and comprehensive healthcare to patients in hospital setting. She believes it is important to empower the patient with knowledge and management of their condition. She likes to spend her spare time to do travelling, hiking, and spending time with family and friends.

Sreeja works at Snowden of Fredericksburg for in-patient care only.