Calderon Medical Group Thank You! A member of our staff will contact you shortly. Hours of Operation Monday - Friday: 7:30am to 4:00pm Phone: (702) 877-9511 Fax: (702) 877-6711 Email: info@calderonmed.com Your name Please enter your name. Your email Please enter a valid email. Your message Please enter a message. Send Message failed. Please try again.