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Dermot Patrick Maher, M.D., M.S.

Photo of Dr. Dermot Patrick Maher, M.D., M.S.

Assistant Professor of Anesthesiology and Critical Care Medicine


Expertise: Anesthesiology


The Johns Hopkins Hospital

600 North Wolfe Street
Phipps Building, Suite 460
Baltimore, MD 21287 map
Phone: 410-955-1822


Dr. Dermot Maher is an assistant professor of anesthesiology and critical care medicine at the Johns Hopkins University School of Medicine. 

He is involved in the clinical care of patients at the Blaustein Pain Treatment Center. He sees patients with a wide variety of painful conditions, including chronic lower and upper back pain, musculoskeletal pain, neuropathic pain and cancer pain. He believes that the management of these conditions requires an individualized and often multifaceted approach to achieve symptomatic and functional improvement. 

Dr. Maher offers a number of interventional pain management strategies, including epidural steroid injections, radiofrequency nerve ablation, joint injections, spinal cord stimulation and a number of other x-ray and ultrasound-guided procedures. Additionally, his expertise in pharmacology, with a particular focus on pain medications, allows him to tailor pharmacologic therapy for his patients.

His research focuses on pharmacologic pain therapies and immunosuppression, and his work has been published in Anesthesia and Analgesia, British Journal of Anesthesia, and Pain Medicine.

Dr. Maher graduated from the Georgetown University School of Medicine. He completed his training with a residency in anesthesiology at Cedars Sinai Medical Center in Los Angeles and a clinical fellowship in pain medicine at Massachusetts General Hospital, Harvard Medical School. He joined the Johns Hopkins faculty in 2016. more


  • Assistant Professor of Anesthesiology and Critical Care Medicine



  • MD, Georgetown University School of Medicine (2011)


  • Cedars-Sinai Medical Center / Anesthesiology (2015)


  • Massachusetts General Hospital / Pain Medicine (2016)

Board Certifications

  • American Board of Anesthesiology / Anesthesiology (2016)

Research & Publications

Research Summary

Dr. Maher’s research focuses on cancer pain management. His work seeks to characterize the weakening of the immune system, or immunosuppression, that results from certain types of pharmacologic pain therapies, such as opioids. He also explores the relationship between this immunosuppression and a patient’s susceptibility to certain types of malignancies, with a goal of better understanding anticipated benefits and side effects of pain medication pharmacology. Ultimately, he hopes to help patients suffering from complex and painful conditions like cancer manage their symptoms more effectively. Dr. Maher’s research is currently funded by an institutional training grant with future plans for a transition to independent funding.

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