Provider Profile
Kathryn Bartosh
Unclaimed ProfileAbout Kathryn Bartosh
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Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (909) 986-8995
- Email not available
Practice Locations
1320 N BERLYN AVE
Ontario, CA 91764
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 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
Where can I find Kathryn Bartosh?
Kathryn Bartosh is listed at 1320 N Berlyn Ave, Ontario, CA 91764. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Kathryn Bartosh?
The number on file is (909) 986-8995. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Kathryn Bartosh's NPI number?
Kathryn Bartosh's National Provider Identifier is 1821974478. 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 Kathryn Bartosh been practicing?
Kathryn Bartosh 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 Kathryn Bartosh confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Kathryn Bartosh. 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.