About Us

David Ahlberg M.D., ABAM

Dr. Ahlberg received his medical degree from Loma Linda School of Medicine in California while completing his residency at East Carolina University in Greenville North Carolina. He is licensed by the North Carolina Medical Board for the practice of general Psychiatry and is available for the consultation and treatment of adults and children of all ages. Dr. Ahlberg is also licensed in Florida, California, and Hawaii. Dr. Ahlberg has a subspeciality in Addiction Medicine. Dr. Ahlberg provides outpatient behavioral health treatment services at the offices of Affiliated Medical Group. Dr. Ahlberg enjoys his work as a medical doctor and believes that comprehensive quality medical care is of the utmost importance; therefore, Dr. Ahlberg works closely with other area providers, for enhanced services.

Debra Livingston-Green PMHNP-BC

Ms. Green is a Psychiatric Mental Health Nurse Practitioner and is board certified through the American Nurses Credentialing Center (ANCC). Originally from Asheville, NC, she graduated from the University of California San Francisco, and returned to NC to work. She is a member of the American Psychiatric Nurses Association as well as being a member of Sigma Theta Tau International Honor Society of Nursing.

Ms. Green has been a registered nurse for many years and has worked in various areas including Surgical/Trauma ICU, the Emergency Department and recovery room. She also has an interest in therapeutic humor, has been a member of the American Association of Therapeutic Humor. Ms. Green has given workshops on the healing effects of humor and assisted in developing a humor cart for hospitalized patients.

Believing that mental health and the physical body are closely connected, Ms. Green returned to school to obtain her Masters in Nursing with a specialty as a Nurse Practitioner in Psychiatry and Mental Health. She did internships at the VA Medical Center in San Francisco and in other acute care settings. Her interests include the treatment of PTSD, ADHD, Bipolar Disorder, Schizophrenia, Anxiety and Depression. For recreation Ms. Green enjoys kayaking, paddle boarding, bicycling, writing and especially likes spending time with her dogs.

Jessica Burke MSN, APRN, PMHNP-BC

Ms. Burke is a Board Certified Psychiatric Mental Health Nurse Practitioner, with training and experience treating patients with psychiatric disorders across the lifespan and across practice settings, from hospitals to outpatient clinics. Ms. Burke specializes in treating anxiety disorders, mood disorders, schizophrenia and PTSD.

Ms. Burke’s education includes a Bachelor of Science in Nursing from WGU and a Master of Science in Nursing, Psychiatric Nurse Practitioner specialization, from Walden University. Ms. Jessica Burke believes in a humanistic philosophy of holistic care for both mind and body, and an abiding commitment to individualized, personalized, comprehensive care for patients.

RETIRED: Alfredo E. Baker M.D.

A retired Navy combat veteran psychiatrist, Dr. Baker served in the military as a senior Fleet Marines Forces & Surface Medical Officer as well as Flight Surgeon. Originally from Central America, he came to the U.S. with a student visa to learn English and fulfill his childhood dream of becoming a doctor.

Dr. Baker earned a degree in biology and chemistry with an emphasis in mathematics at Loyola Marymount University. Then, he obtained a graduate degree in Bilingual Secondary School Life Sciences & Mathematics at Cal State University Northridge and was awarded the university’s Presidential Honor Medallion for Excellence in Teaching.

Following his graduate schooling, he received a Navy scholarship for medical school at Temple School of Medicine in Philadelphia, PA. He completed his psychiatry residency at Bethesda-Walter Reed National Capital Medical Center, MD.

Deployed multiple times with the Marine Corps Operational Forces, Dr. Baker’s service took him on combat tours in Iraq and Afghanistan. These experiences, combined with years of clinical care and research, drive him to provide quality medical care to his patients.

Apart from medicine, Dr. Baker’s interests involve technology — such as using mobile devices and apps to improve patient care, app design, database development, cybersecurity, networks, and data encryption. He also enjoys woodworking, listening to music, and exploring intercultural foods. Dr. Baker is fluent in English, Spanish, and Portuguese.

Dr. Baker has retired from practice but will always remain a part of the Affiliated Medical Group family.