Sage Urgent Care in Berkeley Heights is open regular hours, 8 AM to 8 PM, on New Year's Day, and on every holiday. Walk in with no appointment. We treat flu, strep, ear and sinus infections, sprains, cuts that need stitches, and other non-emergency illness and injury. X-ray and rapid testing are on site, and children 3 months and older are welcome. Walk-in flu shots are available too, for ages 6 months and older. Most insurance plans cover the flu shot in full, and Medicare Part B covers it at no cost to you. Without insurance it's $50 (posted self-pay price, effective through June 30, 2027). Sage Urgent Care is independent and owned by two board-certified emergency medicine physicians. 369 Springfield Avenue, Berkeley Heights. (908) 363-0378. sageurgentcare.com/holiday-hours. For life-threatening emergencies, call 911.