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

Gregory H Johnson MD Inc

Organization Gastroenterology Physician · NPI 1831410919

Gregory H Johnson MD Inc is a Gastroenterology Physician in Thousand Oaks, California. Licensed in California. Registered with an NPI since 2010.

Licensed in
CA
In the registry since
2010
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

227 W Janss Rd Ste 215
Thousand Oaks, CA 91360-1868
Phone: (805) 497-9597
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence G25258 (CA)

Record details

NPI number1831410919
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Gregory Johnson — President · (805) 497-9597
NPI enumeratedJune 12, 2010
Last updated in NPPESJune 12, 2010
Mailing address227 W Janss Rd Ste 215, Thousand Oaks, CA 91360-1868

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