SearchCaliforniaOphthalmology Physician

John Alden, MD

NPI 1013986868 · on the registry since 2006

Practice

Address
350 30th Street
Suite 444
Oakland, CA 94609
Phone
(510) 452-2020
Fax
(510) 452-2091
Organisation at this address
Randall Healthcare Inc
Sutter Community Health
Baychildren'S Physicians
Clark S Tsai, M.D., Inc.
Clark S. Tsai, M.D., Inc.
Inferred from a shared address, not stated in the registry.
Clinicians at this address
96

Registry record

Primary taxonomy
Ophthalmology Physician
207W00000X
Licence states on file
CA
From the registry's licence fields, which are often incomplete.
Sex
Male
Record last updated
2026-07-13

Source: CMS National Plan and Provider Enumeration System. Registration is not the same as practising, and the registry records no retirement — some people listed here no longer practise. More in California