Serving Northern California


Meet The Doctors

Zachary Lipman, MD


After completing a residency in anesthesiology in 2005, Dr. Lipman has enjoyed living and working in Northern California primarily as an anesthesiologist until 2010. He is very passionate about helping these patients feel better through interventions that can help relieve the inflammatory and mechanical processes involved in many types of pain syndromes.

Michael Gasman, MD


Dr. Michael Gasman grew up in the Northstate and attended Mercy High School in Red Bluff and UC Davis before medical school at Creighton University in Omaha Nebraska. He trained in anesthesia and pain management at Naval Hospital Portsmouth Virginia and then served in the Navy for an additional four years stationed in Bremerton, WA and aboard the USS Nimitz. He also provided pain management to the Navy community in the Northwest. Dr Gasman returned home to Redding and after 15 years at Mercy Medical Center in Anesthesiology is happy to be practicing pain management with Dr Lipman and staff at Interventional Pain Solutions. He lives in Redding with his wife and their two children; he has two daughters living and working in Seattle. Dr Gasman's non-work interests include homebrewing beer, tinkering and mountain biking.

Daniel Bonis, MD


A native of California, Dr. Bonis did his undergraduate and graduate training in the Southern California area. Dr. Bonis graduated with Honors and Distinction from California State University Long Beach in 1985 and immediately matriculated into the USC Keck School of Medicine in Los Angeles, California, where he earned his MD degree with Honors. After medical school Dr. Bonis completed his Anesthesia and Pain Management training at Loma Linda University Medical Center and Children's Hospital. Dr. Bonis was Medical Director of the Los Alamitos Surgery Center and Chairman of the Department of Anesthesia and Pain Medicine at Los Alamitos Medical Center. Dr. Bonis is Board Certified in both Anesthesiology and Pain Management and has a wide range of experience with all pain management procedures including spinal cord stimulation techniques and other implantable devices.

Omolade Maurice Diya, MD


Omolade Maurice-Diya, M.D., is an interventional pain specialist here at Interventional Pain Solutions. After completing a bachelor’s degree from the University of Florida, he matriculated at the University of Southern California, Keck School of Medicine where he received his doctorate degree (M.D.) Dr. Maurice-Diya then proceeded with an internship and residency training in General Surgery at the Huntington Memorial Hospital in Pasadena, California. He then completed a fellowship in Interventional Pain Management at Central Valley Pain Management.

  • 2016 – Interventional Pain Management, Central Valley Pain Management, Bakersfield, CA
  • 2014 – General Surgery Residency, Pasadena, CA
  • 2012 – M.D., University of Southern California, Keck School of Medicine, Los Angeles, CA
  • 2007 – B.Sc, Chemistry, cum laude – University of Florida, Gainesville, FL