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

Won Jo, MD, Inc

Organization Gastroenterology Physician · NPI 1235354408

Won Jo, MD, Inc is a Gastroenterology Physician in San Bernardino, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

424 E Vanderbilt Way Ste B
San Bernardino, CA 92408-3552
Phone: (909) 796-0363
Fax: (909) 255-7292
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence A91260 (CA)

Record details

NPI number1235354408
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Won-Seok Jo — President · (714) 350-5651
NPI enumeratedApril 14, 2007
Last updated in NPPESOctober 17, 2023
Certification dateOctober 17, 2023
Mailing address424 E Vanderbilt Way Ste B, San Bernardino, CA 92408-3552

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