School of Medicine


Showing 1-10 of 33 Results

  • Alex Macario MD MBA

    Alex Macario MD MBA

    Professor of Anesthesiology, Perioperative and Pain Medicine (MSD)

    Current Research and Scholarly InterestsDr. Macario studies health care economics & outcomes, with a special focus on surgery and anesthesia. He is well known for helping develop the field of operating room management, and is keenly interested in the cost-effectiveness analyses of drugs and devices. For the past decade Dr. Macario has added medical education as a research priority to better understand methods to best teach students and residents.

  • Anthony Machi, MD

    Anthony Machi, MD

    Clinical Associate Professor, Anesthesiology, Perioperative and Pain Medicine

    BioDr. Anthony Machi is a double-board-certified, fellowship-trained anesthesiologist and pain management specialist with Stanford Health Care. He is also a clinical associate professor in the Department of Anesthesiology, Perioperative, and Pain Medicine, Division of Pain Medicine at Stanford University School of Medicine.

    Dr. Machi diagnoses and treats a wide range of pain conditions, including acute and chronic postsurgical pain, nerve-related (neuropathic) pain, and pain affecting the back, neck, and joints. He specializes in using minimally invasive techniques to relieve pain and enhance quality of life for his patients who are recovering after surgery.

    Dr. Machi’s research interests include using ultrasound to study the greater occipital nerve in people with greater occipital neuralgia. He has also studied patient outcomes and pain management strategies for many types of surgery, including minimally invasive valve surgery and major shoulder surgery.

    Dr. Machi has published his research in peer-reviewed journals, such as Seminars in Cardiothoracic and Vascular Anesthesia, Regional Anesthesia & Pain Medicine, Anesthesia & Analgesia, and PAIN. He has also presented to his peers at national and regional meetings, including the annual meetings of the American Society of Anesthesiologists (ASA), the American Society of Regional Anesthesia and Pain Medicine (ASRA), and the Texas Society of Anesthesiologists.

    Dr. Machi is a member of the American Academy of Pain Medicine, ASA, ASRA, the North American Neuromodulation Society, and the World Academy of Pain Medicine United.

  • M Bruce MacIver

    M Bruce MacIver

    Professor (Research) of Anesthesiology, Perioperative and Pain Medicine, Emeritus

    Current Research and Scholarly InterestsWe study drug effects on the nervous system. Cellular, synaptic and molecular drug actions are investigated using electrophysiological and pharmacological tools in cortical/hippocampal brain slice preparations. We are also interested in mechanisms of neuronal integration and synchronization, especially related to patterns of EEG activity seen in vivo and in brain slices.

  • Kristen Klepac MacKenzie, MD

    Kristen Klepac MacKenzie, MD

    Clinical Assistant Professor, Anesthesiology, Perioperative and Pain Medicine

    BioDr. Kristen MacKenzie is a Clinical Assistant Professor in the Department of Anesthesiology, Perioperative, and Pain Medicine. Dr. MacKenzie graduated AOA with a MD from UCSF and then completed her anesthesia residency and pain medicine fellowships at Stanford. She works at the Stanford Pain Management Center with specialty interests in chronic pelvic and abdominal pain, as well as peripartum pain. She is the co-director for the Stanford Pelvic Pain Program as well as part of the Stanford Pelvic Health Center for interdisciplinary, multimodal care.

    She completed a Stanford Faculty Medical Humanities Fellowship, focusing on the role of communication and the arts in modern medicine. She serves as the co-director for the Women's Sexual Dysfunction Case Conference as well as the Pain Division representative to the Stanford Anesthesia Communications Council. She enjoys being able to spend time with learners and participates in the Women in Medicine mentoring program annually.

    She is active in the American Academy of Pain Medicine (AAPM), and for the 2025-2026 year is serving as the Women in Pain Medicine Shared Interest Group (SIG) Co-Chair as well as the Media & Public Relations SIG Chair.

    Outside of work, she enjoys being outdoors in the Bay Area, trail running, and spending time with her husband and two boys.

    Clinical focus:

    Pelvic pain, due to multiple causes including:
    Dyspareunia
    Painful Bladder Syndrome/ Interstitial cystitis/ Dysuria
    Endometriosis
    Fibroids
    Pelvis Congestion Syndrome
    Pelvic Floor Dysfunction
    Pudendal Nerve Pain
    Rectal/Anal Pain
    Vulvar Pain/ Vulvodynia/ Vaginismus

    Nerve entrapment syndromes, including hernia nerve entrapment

    Post-partum and Peri-partum pain
    Abdominal pain
    Musculoskeletal pain

    New Patients: Please have your primary treating provider place a referral to Stanford Pain Clinic and specify Pelvic Pain, Dr. MacKenzie.

  • Sean Mackey, M.D., Ph.D.

    Sean Mackey, M.D., Ph.D.

    Redlich Professor, Professor of Anesthesiology, Perioperative, and Pain Medicine (Adult Pain) and, by courtesy, of Neurology and Neurological Sciences

    Current Research and Scholarly InterestsMultiple NIH funded projects to characterize CNS mechanisms of human pain. Comparative effectiveness of cognitive behavioral therapy and chronic pain self-management within the context of opioid reduction (PCORI funded). Single session pain catastrophizing treatment: comparative efficacy & mechanisms (NIH R01). Development and implementation of an open-source learning healthcare system, CHOIR (http://choir/stanford.edu), to optimize pain care and innovative research in real-world patients.

  • Janice Man

    Janice Man

    Clinical Assistant Professor, Anesthesiology, Perioperative and Pain Medicine

    BioJanice Man, MD, is currently a Clinical Assistant Professor for the Department of Anesthesia, Perioperative and Pain Medicine at Stanford University and is board-certified in anesthesiology and pediatric anesthesiology. She completed her medical school education at the Yale University School of Medicine, residency training at UCSF, pediatric anesthesia fellowship training at CHOP, and her pediatric regional anesthesia fellowship at Stanford. She received the Outstanding Research Award in Acute Pain at the Society of Pediatric Pain Medicine Annual Conference in 2016. Her interests include utilization of regional anesthesia and comprehensive multimodal analgesic protocols in the reduction of opioid consumption for acute pain in pediatric patients.