
Dr. Ormond
MD/Pain Specialist
Dr. Sean Ormond, M.D. is a dual board-certified physician specializing in Anesthesiology and Interventional Pain Management. With a deep commitment to helping patients regain their quality of life, Dr. Ormond employs a comprehensive and individualized approach to pain management.
He completed his anesthesia residency at Case Western Reserve University in Cleveland, Ohio, where he distinguished himself as Chief Resident, demonstrating leadership and clinical excellence. He then pursued advanced fellowship training in Interventional Pain Management at Rush University in Chicago, Illinois, where he refined his expertise in minimally invasive procedures and cutting-edge pain relief techniques.
Dr. Ormond believes in a patient-centered philosophy, emphasizing traditional, evidence-based pain management approaches as the foundation of treatment. However, when conventional methods do not provide sufficient relief, he seamlessly integrates advanced interventional techniques, regenerative medicine, and a multidisciplinary approach to achieve optimal results. His goal is not just to manage pain but to address its root causes and restore functionality, allowing patients to return to the activities they love.
As the founder of Atlas Pain Specialists in Phoenix, Arizona, Dr. Ormond is dedicated to offering state-of-the-art treatments for chronic pain conditions, including back pain, neuropathy, joint pain, and complex regional pain syndromes. He remains at the forefront of his field, staying up to date with the latest advancements in pain management to provide his patients with the highest level of care.
Beyond his medical expertise, Dr. Ormond is known for his compassionate and personalized approach, ensuring each patient receives tailored treatment designed to meet their unique needs. His mission is to empower patients with knowledge, effective treatment options, and long-term solutions for a pain-free life.

Katherine Gaitan
PA-C
Katherine Gaitan has been working in healthcare for over 10 years. She has extensive experience in both inpatient and outpatient settings and spent her first few years in healthcare working in the Emergency Department and Medical/Surgical unit. Upon graduation from PA school in 2016, she began working in Dermatology where she gained extensive knowledge on various procedural skills and injections. She then moved on to Pain Management in 2019 and has been in the field since. For the past 5 years she has worked in diverse outpatient clinical settings diagnosing and treating a wide variety of patients from all spectrums of pain.
Katherine is very passionate about getting her patient’s out of pain and gaining back their quality of life. She believes preventive care is key. She strives on being thorough with her patient’s and incorporating all necessary treatment modalities to giver her patient’s the best care possible.
In Katherine’s spare time she enjoys spending time outdoors and traveling. She is an avid kayaker, enjoys hiking, and is always interested in trying new restaurants. Katherine also enjoys attending musicals and going to shows at The Phoenix Symphony. She has been a volunteer at The American Red Cross as well as Habitat for Humanity for many years.
Katherine is board-certified by the National Commission of Physician Assistants and licensed by the Arizona Regulatory Board of Physician Assistants as well as the Maryland Regulatory Board of Physician Assistants. She is a member of the American Academy of Physician Assistants.

Salvatore Zummo
Salvatore Zummo is a board certified Physician Assistant, who has over ten years of experience as a family medicine practitioner, as well as over seven years of experience
in pain management. Before pursuing his profession, Sal’s path was shifted to a more disciplined and service-oriented life when he enlisted in the United States Navy. He is a
Persian Gulf War veteran and proudly served his country, a chapter of his life that has deeply shaped his character and commitment to service. After his military service, Sal
pursued higher education at Arizona State University, where he earned a degree with summa cum laude honors. He continued his academic journey by enrolling at A.T. Still
University in Mesa, Arizona, where he completed his Physician Assistant training. This led to his passion for medicine and helping patients improve their quality of life. Outside of Sal’s professional endeavors, some things to know are that he was born in the Bronx, New York, and enjoys playing guitar, watching sports, and traveling. A fun fact about Sal is that he appeared on Sesame Street as a young child. Sal’s different life experiences have greatly shaped him as a person. His dedication to his medical career and passion for family and hobbies, reflect his commitment to growth, service, and balance in life.