New Search 11492 Practice accepting new patients. Marshall Cooperson, DO (707) 257-1550 Primary Specialties Internal Medicine Medical Groups & Affiliations St. Joseph Health Medical Group Primary Office Address: 3010 Beard Road, Napa, CA 94558 Phone: (707) 257-1550 Fax: (707) 257-8219 Hours: Mon. - Fri.9 a.m. - 5 p.m. Web Page: www.nvpersonalizedhealth.com Recommend this Physician Request an Update for this Physician Get Directions Physician Bio My philosophy of care is to provide a proactive and preventative approach to medical care that is unique and personalized to each patient. My favorite aspect of being a physician is keeping my patients well, comfortable and active. My hobbies include cycling, flying, fishing, hiking and mechanics. Education Medical School: University of Osteopathic Medicine, Des Moines, Iowa - 1987 Intership: San Joaquin General Hospital - 1988 Residency: San Joaquin General Hospital - 1990 Board Certified in Internal Medicine Certifications Board Certified: American Board of Internal Medicine Areas of Expertise I specialize in internal and preventive medicine.