Allen D. Efron, MD
NeurosurgeryListing does not mean the doctor offers SpineLens second opinions.
Specialty
Neurosurgery
Clinic or group
Hawaii Permanente Medical Group Inc
Address
1150 Veterans BLVD
Redwood City, CA 94063
Phone
NPI
1831277482
Source: public NPI Registry. Registry last updated December 9, 2021. Directory data as of 2026-10.
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