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About Us

The Foremost leader in pain management & integrative care in Louisiana
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Our Mission

  • Coordination of care to determine the most suitable treatment options for each patient.
  • Committed to offering our patients all the best options for pain management in one location.
  • Everyone deserves the opportunity to enjoy life in health and wellness.
Integrated Pain and Neuroscience logo

We understand that your pain is unique to you.

Our Physicians

Our team of caring, compassionate Physicians are Fellowship Trained and Board Certified.
  • Eric Royster, MD

    Board Certified in Pain Medicine, Anesthesiology & Acupuncture
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    Dr. Royster is the Founder of Integrated Pain and Neuroscience, LLC. His vision was to create an organization that offered the most options for patients suffering from pain under one roof. Dr. Royster received his Bachelor’s Degree in Biology, with a minor in Chemistry, from the University of North Carolina. He then went on to study at the University of Arkansas, where he obtained his degree of Doctor of Medicine in 2003. Following graduation, Dr. Royster moved to New Orleans, LA where he completed an Internship in Internal Medicine at Ochsner Clinic and Hospital. Dr. Royster’s interest in pain medicine developed during his time at Ochsner and he continued there with his Residency in Anesthesiology. He further refined his expertise with a Fellowship in Pain Medicine at the University of New Mexico from July 2007 – June 2008. In August 2008, Dr. Royster returned to New Orleans, where he served as Medical Director of Ochsner Baptist Pain Center and Supervisor of the Residency Chronic Pain Education Program until opening his own practice, Integrated Pain and Neuroscience, in April 2013. Dr. Royster is unique in his published expertise of both spinal cord stimulation and Intrathecal drug delivery. He is the pioneer in peripheral stimulation for headache and facial pain and also has expertise in non-surgical pain therapies. Dr. Royster is the first physician in the area to offer medical acupuncture and minimally invasive lumbar decompression. Dr. Royster is board-certified in acupuncture.
  • Andrea O’Leary, MD

    Board Certified Adult & Child Psychiatry
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    Andrea O’Leary, MD specializes in both adult and child Psychiatry. She received her B.A. degree in Psychology from Emory University in Atlanta in 1994. Andrea also attended Boston University and Georgia State University. She graduated with an MD from Mercer University School of Medicine in Macon, GA in 2004. Andrea was awarded Outstanding Medical Student in Psychiatry at Mercer University. Dr. O’Leary then went to the Tulane University School of Medicine from 2004 – 2010 where she completed their Triple Board Program in Pediatrics, Adult Psychiatry, and Child Psychiatry. At Tulane, Andrea was the Triple Board Program’s Chief Resident from 2007 – 2008, and the Co-Chief Resident from 2009 – 2010. She is a member of the following Professional Affiliations: the American Psychiatric Association, the Louisiana Psychiatry Medical Association, and the American Academy of Child and Adolescent Psychiatry. Dr. O’Leary worked at Tulane University in the Department of Child and Adolescent Psychiatry from March 2010 – March 2011. She was a child psychiatrist at the Midtown Clinic, where she provided outpatient Child Psychiatry and Telemedicine services. Andrea also supervised the medical students, residents, and fellows in the department. From July 2012 – April 2013, Dr. O’Leary worked for the State of Louisiana in Telemedicine Psychiatry. Andrea began working at Integrated Pain and Neuroscience in April 2013 and is excited for the opportunity to use her expertise to help patients in new ways in pain management.
  • Aaron Friedman, MD

    Board Certified in Neurology
    Telehealth Portal
    Aaron Jacob “A.J.” Friedman, MD grew up in New Orleans. He earned a B.S. from Tulane University in 1968, and continued on at Tulane’s School of Public and Tropical Medicine where he received a Master of Public Health degree. Dr. Friedman graduated with an MD from Louisiana State University School of Medicine in 1976. Dr. Friedman completed a Neurology Internship at Charity Hospital in New Orleans. He was a Neurology Resident at the National Naval Medical Center in Bethesda, Maryland from 1977 – 1980. Dr. Friedman served in the United States Military at the Naval Aerospace Medical Institute in Pensacola, Florida from 1980 – 1983. A.J. returned to New Orleans in 1983, where he worked at a private practice in Neurology through February 2006. After Hurricane Katrina, he moved to Waycross, GA and worked with Satilla Neurological Associates through February 2007. From March 2007 – September 2008, Dr. Friedman worked in Houma, LA at Southeast Neuroscience Center. He then moved to Southwest Neuroscience Center in Lafayette. Dr. Friedman began practicing acupuncture in December 2012, after many years of interest in the ancient healing method. He has trained at the Helms Medical Institute based out of California, and is looking forward to providing New Orleans area pain patients with the unique benefits of acupuncture. Dr. Friedman is board-certified in acupuncture. Dr. Friedman started working at Integrated Pain and Neuroscience in April 2013. He brings a distinctive aspect to IPN’s all-encompassing pain management facility with his knowledge of Neurology and Acupuncture.
  • Hunter Simpson, MD

    Dr. Simpson received his bachelor’s degree in Biology from Louisiana State University from August 2006-December 2011. He went on to receive his Doctor of medicine at the University of Queensland School of Medicine-Oschner Clinical School in Brisbane, as well as New Orleans from January 2013-November 2016. Following his studies, Dr. Simpson completed his residency program at the Oschner Clinic Foundation from June 2017-July 2021. In addition to his residency, he went on to complete a fellowship with the University of Illinois-Chicago for Intervention Pain Management from July 2021 – June 2022. Dr. Simpson is an avid Volunteer and has worked with programs across Louisiana and in Peru. He has made it a priority to ensure anesthesiologists are in operating rooms with the Department of Veterans. Dr. Simpson has also worked with the Medical Mission in Peru to establish triage clinics in three different areas of the country to provide medical care for its’ people. Hunter began working at Integrated Pain and Neuroscience in 2022 and is excited for the opportunity to use his expertise to provide the best patient care.

Patient Portal

Please use the link below to access the IPN patient portal to access your medical records, pay your bill online, or leave a message with a member of our healthcare team.
Patient Portal

Speak with a Physician

Please use the link below to access our IPN Telehealth portal and virtual waiting room for your Telehealth appointment.

Dr. Eric Royster, MD

Telehealth Portal

Dr. Aaron Friedman, MD

Telehealth Portal

Dr. Andrea O’Leary, MD

Telehealth Portal

Patient Success Stories

We strive to treat the whole patient, not just the pain.


“Dr. Royster told me on my initial office visit that he was going to take a special interest in my case. Approximately 9 years later, after numerous procedures & office visits, I feel that he has kept his word, due to the personal level of care that I receive at each office visit with him!”


“Dr. Royster is the type of doctor with an impeccable bedside manner. He is a warm, caring man and has a real honest concern about his patients’ well-being.”

Leslie K.

“Dr. Friedman is gentle, kind, and explains everything he is doing and why he is doing it. He has made me into a believer of the benefits of acupuncture and I look forward to my appointments with him.”

Jennifer M.

“Dr Royster is a phenomenal physician. He has a trusting energy. You know his true concern is your well being. We are all individuals and it’s nice that a Dr recognizes this. The staff is warm, knowledgeable and willing to help as well. Thank you I.P.N.”

Lynn K.

“Dr. Royster and Dr. Friedman have both been great in helping me with a variety of things to help with my pain and migraine issues.”

Your experience of our patient care & service matters greatly to us.

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