Physician Profile
Based in Loma Linda, CA, Alexander O. Sy, MD, MBA, MSL is listed in the NPI registry under critical care medicine. Alexander is also listed as specializing in pulmonary disease, sleep medicine, and internal medicine.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
11201 BENTON ST
Loma Linda, CA 92357
Dr. Sy is a critical care physician in Loma Linda, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Critical Care Medicine”.
NPI registry
Dr. Sy is listed at 11201 Benton St, Loma Linda, CA 92357. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (909) 825-7084. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Sy's National Provider Identifier is 1144297748. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Sy has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Sy. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.