Provider Profile
William R. Mao, PHARMD
Unclaimed ProfileAbout Dr. Mao
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Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (909) 427-7364
- Email not available
Practice Locations
9985 SIERRA AVE
Fontana, CA 92335
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other pharmacists at this location 5
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Common questions
What does William R. Mao specialize in?
William R. Mao is a pharmacist in Fontana, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is William R. Mao located?
William R. Mao is listed at 9985 Sierra Ave, Fontana, CA 92335. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is William R. Mao's phone number?
The number on file is (909) 427-7364. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for William R. Mao?
William R. Mao's National Provider Identifier is 1902979297. 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
How much experience does William R. Mao have?
William R. Mao 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
Is William R. Mao's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by William R. Mao. 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.