Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Robert C. Duncan, DO, Inc

Organization Family Medicine Physician · NPI 1427286475

Robert C. Duncan, DO, Inc provides Family Medicine Physician services 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 Not confirmed with CMS for 15 years — call before visiting
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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