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

Ronald M Johnson MD Medical Corp

Organization Surgery Physician · NPI 1013269182

Ronald M Johnson MD Medical Corp provides Surgery Physician services in LA Mesa, California. Licensed in California. Registered with an NPI since 2012.

Licensed in
CA
In the registry since
2012
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

5565 Grossmont Center Dr
LA Mesa, CA 91942-3020 Not confirmed with CMS for 13 years — call before visiting
Phone: (619) 740-4145
Fax: (619) 740-4949
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence G19831 (CA)

Record details

NPI number1013269182
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Ronald Johnson — President/Ceo · (619) 244-0884
NPI enumeratedOctober 12, 2012
Last updated in NPPESOctober 12, 2012
Mailing addressPo Box 2507, La Mesa, CA 91943-2507

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