Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Lionel B Katchem, DO, a Prof Corp

Organization Primary Care Clinic/Center · NPI 1427019397

Lionel B Katchem, DO, a Prof Corp is a Primary Care Clinic/Center in Upland, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
What do these letters mean?
Corp — Corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

1246 E Arrow Hwy Ste B
Upland, CA 91786-4955
Phone: (909) 373-0381
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Primary Care Clinic/Center (primary) Taxonomy 261QP2300X · Licence 20A4524 (CA)

Record details

NPI number1427019397
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Lionel Katchem — President · (909) 373-0381
NPI enumeratedMarch 30, 2006
Last updated in NPPESJuly 1, 2010
Mailing address1246 E Arrow Hwy Ste B, Upland, CA 91786-4955

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