Individual ProviderWilliam Leo NyhanPediatricsAllopathic & Osteopathic PhysiciansPractice Address7910 Frost St, Ste 200, San Diego, CA 92123-2771(619) 543-7800PECOS EnrollmentBased on the most recent information from CMS, provider William Leo Nyhan does not have current enrollment records in PECOS.Part BMedicare Part BNot EnrolledHHAHome Health AgencyNot EnrolledDMEDurable Medical EquipmentNot EnrolledPMDPower Mobility DeviceNot EnrolledCMS last updated its PECOS records yesterday at 2:29 PM.Profile DetailsProvider ID1710041462Provider TypeIndividualFull NameNyhan, William LeoCredentialM.D., PH.D.GenderMaleSole ProprietorNoEnumeration Date12/20/2006Last Updated2/15/2026Contact InformationPractice LocationPractice Address7910 Frost St, Ste 200, San Diego, CA 92123-2771Phone(619) 543-7800FaxUnlisted FaxMailing LocationMailing Address3020 Childrens Way, Mc5110, San Diego, CA 92123-4223Phone(619) 543-7800FaxUnlisted FaxProvider TaxonomiesCodeDescriptionLicenseCode208000000XPrimaryDescriptionPediatricsAllopathic & Osteopathic PhysiciansLicenseC30911CaliforniaProvider IdentifiersIDDescriptionIssuerID00C309110DescriptionMedicaidIssuerUnlistedCalifornia