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

Ronald D. Johnson, MD

Individual provider General Practice Physician · NPI 1578603122

Ronald D. Johnson, MD is a General Practice Physician in Chico, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

376 Vallombrosa Ave
Chico, CA 95926-3900
Phone: (530) 891-1676
Fax: (530) 891-1833
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

General Practice Physician (primary) Taxonomy 208D00000X · Licence G42116 (CA)

Record details

NPI number1578603122
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 6, 2007
Last updated in NPPESJuly 8, 2007
Mailing address376 Vallombrosa Ave, Chico, CA 95926-3900

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