Provider Profile
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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.
1401 MISSION ST UNIT C4
South Pasadena, CA 91030
900 Valley View Ave Unit 2
Pasadena, CA 91107
100 Citadel Dr Ste 101
Commerce, CA 90040
Dr. Spero is a dentist in South Pasadena, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “General Practice Dentistry”.
NPI registry
Dr. Spero is listed at 1401 Mission St Unit C4, South Pasadena, CA 91030. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (626) 399-0204. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Spero's National Provider Identifier is 1558537597. 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. Spero has 18+ years experience. Registered with an NPI since 2008. 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. Spero. 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.