Provider Profile
William A. Lewis, HTL(ASCP)
Unclaimed ProfileAbout William Lewis
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Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (628) 206-4953
- Email not available
Practice Locations
1001 POTRERO AVE BUILDING 3 ROOM 113
San Francisco, CA 94110
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 providers at this location 3
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
Where can I find William A. Lewis?
William A. Lewis is listed at 1001 Potrero Ave Building 3 Room 113, San Francisco, CA 94110. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact William A. Lewis?
The number on file is (628) 206-4953. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is William A. Lewis's NPI number?
William A. Lewis's National Provider Identifier is 1669352076. 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 long has William A. Lewis been practicing?
William A. Lewis has 1+ years experience. Registered with an NPI since 2025. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Has William A. Lewis confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by William A. Lewis. 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.