Margaret Riordan, MD
NeurosurgeryListing does not mean the doctor offers SpineLens second opinions.
Specialty
Neurosurgery
Clinic or group
Alameda Health System
Address
400 Parnassus AVE
San Francisco, CA 94143
Phone
NPI
1902061955
Source: public NPI Registry. Registry last updated March 17, 2018. Directory data as of 2026-10.
Is this you? Claim this profile
Correct public details and ask to get listed. Patients book and pay your clinic directly.