Dr. Gary Coller is a physician and founder of the Integrative Healthcare Center. He and his wife Sherri, reside in Holand, Michigan. You can learn more about Dr. Coller and his inn...view moreDr. Gary Coller is a physician and founder of the Integrative Healthcare Center. He and his wife Sherri, reside in Holand, Michigan. You can learn more about Dr. Coller and his innovative practice at ihcenter.netview less