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

Ralph E Retherford MD Inc

Organization Family Medicine Physician · NPI 1952319816

Ralph E Retherford MD Inc is a Family Medicine Physician in Sonora, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
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

16050 Via Este Rd
Sonora, CA 95370-8428
Phone: (209) 588-1424
Fax: (209) 588-1521
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence A24305 (CA)

Record details

NPI number1952319816
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Ralph Retherford — Owner · (209) 588-1424
NPI enumeratedAugust 4, 2006
Last updated in NPPESOctober 22, 2008
Mailing address16050 Via Este Rd, Sonora, CA 95370

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