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Jean-Pierre Phillip Ouanes, DO

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About Dr. Ouanes

Dr. JP Ouanes is an anesthesiologist at Hospital for Special Surgery and the Anesthesia Site Director for the HSS Florida Ambulatory Surgery Center (Opening 2020).

Dr. Ouanes completed fellowship training in regional anesthesiology and acute pain medicine at The Johns Hopkins Hospital. Upon completion of his training, Dr. Ouanes worked as an Assistant Professor and Attending Anesthesiologist at Johns Hopkins University School of Medicine.

He served as the Director of Regional Anesthesia at the Bayview Campus and the Director of International Obstetric and Regional Anesthesia where he was integral in developing clinical programs at Johns Hopkins and globally.


Special Expertise

Ultrasound-guided regional anesthesia

Patient Stories


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Assistant Attending Anesthesiologist, Hospital for Special Surgery
Clinical Assistant Professor of Anesthesiology, Weill Cornell Medical College


American Society of Regional Anesthesia and Pain Medicine
American Society of Anesthesiologists
American Osteopathic Association
Society for Ambulatory Anesthesia


The American Board of Anesthesiology. 2011


Nominated, Miller Coulson Academy of Clinical Excellence Johns Hopkins Center for Innovative Medicine, 2017
Chief Resident, Albany Medical Center, 2009
Sigma Sigma Phi, 2002
Student Speaker, Dartmouth College Graduate Program Commencement, 2001


University of New England, Biddeford, Maine. 2005


Maimonides Medical Center, Brooklyn, New York. 2006


Albany Medical Center, Albany, New York. 2010


Johns Hopkins Hospital, Baltimore, Maryland. 2011

State Licensure



Publications by Dr. Ouanes

Selected Journal Articles

The role of peri-operative chewing gum on gastric fluid volume and gastric pH: a meta-analysis. J Clin Anesth. 2015 Mar;27(2): 146-52 PMID: 25442242

Analgesic Efficacy of ultrasound-guided regional anesthesia: a meta-analysis. Journal of Clinical Anesthesia. 2011Mar;23(2):90-6. PMID:21377070

Depth of Sedation as an Interventional Target to Reduce Postoperative Delirium: A Randomized Clinical Trial. JAMA Surgery. 2018 Aug 8. PMID: 30090923

Depth of sedation as an interventional target to reduce postoperative delirium: mortality and functional outcomes of the Strategy to Reduce the Incidence of Postoperative Delirium in Elderly Patients randomised clinical trial. Br J Anaesth. 2019 Apr;122 (4):480-489. PMID: 30857604

Evaluation of epidural and peripheral nerve catheter heating during magnetic resonance imaging. Reg Anesth Pain Med. 2014 Nov Dec;39(6):534-9. PMID: 25275576

Regional versus General Anesthesia in the Elderly: New Insights. Curr Anesthesiol Rep (2017) 7: 364. https://doi.org/springer

No Pain Labor & Delivery: A Global Health Initiative's Impact on Clinical Outcomes in China. Anesth Analg. 2016 Jun;122(6). PMID: 27195636

Seldinger technique for nasal intubation: a case series. J Clin Anesth. 2016 Nov;34:609-11. Epub 2016 Jul 19. PMID: 27687457.

Perioperative Esmolol and Opioids: Is More Really Less? Reg Anesth Pain Med. 2018 Nov;43(8):813-814. PMID: 30339612.

Postoperative urinary retention after inguinal hernia repair: a single institution experience. Hernia. 2017 Dec;21(6): 895-900. PMID: 28871414

Selected Books/Chapters

Regional anesthesia techniques for acute pain management. In: Bonica's Management of Pain, 5th edition.

Postoperative pain management. In: Raj's Practical Management of Pain, 5th edition.

A guide to improving the care of patients with fragility fractures. Geriatric Orthopaedic Surgery & Rehabilitation. Anesthesia Management chapter; Pain Management chapter.

Special Anesthetic Consideration for the Patient with a Fragility Fracture. Clinics in Geriatric Medicine.

Does regional anesthesia decrease perioperative blood loss? In: Evidence-Based Practice of Anesthesia 3rd Edition.

Abdominal Pain be Gone the TAP block. In: Anesthesia Unplugged 2nd Edition.

The Obstetric airway. In: Cases in Emergency Airway Management.

Selected Presentations

SafeLocal: Development of a Mobile App for Calculation of Maximum Safe Dose of Local Anesthetic. 44th Annual Regional Anesthesiology & Acute Pain Meeting. Las Vegas, Nevada. April 11-13, 2019.

The Impact of Enhanced Recovery and Fast Track Surgery on Postoperative Analgesia and Opioid Use: A Systematic Review. 2018 World Congress on Regional Anesthesia and Acute Pain Meeting. New York, NY; April 19-21, 2018

The Effect of Gabapentin on Post Operative Pain and Opioid Consumption in the Context of Regional Anesthesia: A Meta Analysis. 42nd Annual Regional Anesthesiology and Acute Pain Meeting. San Francisco, CA; April 6-8, 2017

No Pain Labor and Delivery: An Educational-Global Health Initiative to Transform Current Knowledge and Skills Into Better Maternal and Neonatal Outcomes. American Society of Anesthesiologists Annual Meeting. San Francisco, CA; Oct 12-16, 2013

New York School of Regional Anesthesia (NYSORA) Asia K Mission. Brachial plexus nerve blocks. Ultrasound guided vascular access.Kathmandu, Nepal March 2-3, 2014. Kuala Lumpur, Malaysia. March 8-9, 2014

International Comprehensive Pain Management Conference. Regional Anesthesia for the vascular patient. Total joint arthroplasty clinical pathways. Regional anesthesia for the obstetric patient. Al Ain, Abu Dhabi, United Arab Emirates. May 8-9, 2014


Dr. Ouanes' clinical research focus has been under the mentorship of Dr. Fritz Sieber (Chair of Johns Hopkins Bayview Medical Center). Together they studied the role of regional anesthesia in identifying and optimizing the anesthetic management of the elderly patient undergoing orthopedic and vascular surgical procedures.

In addition, Dr. Ouanes was the Johns Hopkins site principal investigator (2016-2019) for a pragmatic international, multi-center trial investigating regional versus general anesthesia in hip fracture patients (REGAIN trial).

Industry Relationships

Industry Relationships

HSS has a long history of supporting appropriate relationships with industry because they advance HSS's mission to provide the highest quality patient care, improve patient mobility, and enhance the quality of life for all, and to advance the science of orthopedic surgery, rheumatology, and their related disciplines through research and education.

Below are the healthcare industry relationships reported by Dr. Ouanes as of March 24, 2023.

  • American College of Surgeons - Honoraria
  • Montefiore Medical Center - Honoraria
  • ​​​​​​​Pacira Biosciences - Consultant
  • Ultrasound Experts - Honoraria

HSS and its physicians make this information available to patients and the public, thus creating a transparent environment for those who are interested in this information. Further, the HSS Conflicts of Interest and Commitment Policy prohibits physicians from collecting royalties on products they develop that are used on patients at HSS.

Patients should feel free to ask their HSS physicians questions about these relationships.