For Professional In this section Healthcare Services Pulmonary and Sleep Clinic Overview Our Services Our Providers For Patients For Professional Resources Certifications & Accreditations Referral Center of AuthorizationPhone(408) 885-3820 Fax(408) 793-1892 VHP AuthorizationPhone(408) 885-4647 option 4 Fax(408) 885-4875A physician may call (408) 885-5000 and have the operator call our on-call Pulmonologist for urgent referrals