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

Robert C. Duncan, DO, Inc

Organization Family Medicine Physician · NPI 1427286475

Robert C. Duncan, DO, Inc is a Family Medicine Physician in Carmichael, California. Licensed in California. Registered with an NPI since 2009.

Licensed in
CA
In the registry since
2009
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

6651 Madison Ave
Carmichael, CA 95608-0602
Phone: (916) 965-1111
Fax: (916) 676-1447
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 20A10205 (CA)

Record details

NPI number1427286475
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Robert Duncan — Incorporator · (916) 965-1111
NPI enumeratedJune 29, 2009
Last updated in NPPESNovember 12, 2010
Mailing address2277 Fair Oaks Blvd, Ste 110, Sacramento, CA 95825-5533

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