Provider Profile
Clarence Thomas
Unclaimed ProfileAbout Clarence Thomas
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Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (909) 749-5204
- Email not available
Practice Locations
1500 S HAVEN AVE STE 250
Ontario, CA 91761
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 8
Same specialty, same street address — most likely the same department or group.
Also at this address 1
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 is Clarence Thomas's address?
Clarence Thomas is listed at 1500 S Haven Ave Ste 250, Ontario, CA 91761. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Clarence Thomas?
The number on file is (909) 749-5204. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Clarence Thomas?
Clarence Thomas's National Provider Identifier is 1609466861. 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 Clarence Thomas have?
Clarence Thomas has 5+ years experience. Registered with an NPI since 2021. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Is Clarence Thomas's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Clarence Thomas. 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.