Grants Pass Clinic. Please contact our Patient Services at 541-476-6644 for inquires about becoming a patient at Grants Pass Clinic and for information regarding our providers and services. Location. Grants Pass Clinic, LLP 495 SW Ramsey Avenue Grants Pass, OR 97527. 541-476-6644. Hours. Monday through Friday. Clinic: 8:00 am - 5:00 pm.