Margaret Greenough, MD Family Medicine Concierge Medicine YOUR HMO IS LEAVING - BUT WE CAN HELP! United HealthCare HMO will no longer be offered in this area. Switch now to Blue Shield HMO and select Dr. Greenough as your Primary Care Physician. Local, trusted primary care Accepting new patients Appointment guaranteed within 1 month after selection 4251 S. Higuera Street, Suite 102 San Luis Obispo, CA 93401 (805)505-9899 Margaret Greenough , MD Family Medicine Concierge Medicine YOUR HMO IS LEAVING - BUT WE CAN HELP ! United HealthCare HMO will no longer be offered in this area . Switch now to Blue Shield HMO and select Dr. Greenough as your Primary Care Physician . Local , trusted primary care Accepting new patients Appointment guaranteed within 1 month after selection 4251 S. Higuera Street , Suite 102 San Luis Obispo , CA 93401 (805)505-9899