IndividualActive
Nancy Duncan, MSW, ACSW
NPI 1225213036 · Counselor · Rancho Cordova, CA
Nancy Duncan, MSW, ACSW is a Counselor provider in Rancho Cordova, CA (NPI 1225213036).
Provider details
- NPI number
- 1225213036
- Entity type
- Individual
- Primary specialty
- CounselorBehavioral Health & Social Service Providers
- Credential
- MSW, ACSW
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(81/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
3400 Data Dr
Rancho Cordova, CA 95670-7956
Phone: (916) 379-2997
Street-level locationGet directions
Mailing address
Po Box 371
Diamond Springs, CA 95619-0371
Registry dates
- Enumerated
- 2007-12-31
- Last updated
- 2007-12-31
Frequently asked questions
- What is Nancy Duncan's NPI number?
- Nancy Duncan's National Provider Identifier (NPI) is 1225213036, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nancy Duncan's specialty?
- Nancy Duncan is listed in the NPPES registry with a primary specialty of Counselor (Behavioral Health & Social Service Providers).
- Where is Nancy Duncan located?
- Nancy Duncan's practice location on file with NPPES is 3400 Data Dr, Rancho Cordova, CA 95670-7956.
- What is Nancy Duncan's phone number?
- The practice phone number listed in the NPPES registry for Nancy Duncan is (916) 379-2997.
- Is Nancy Duncan's NPI active?
- Yes — Nancy Duncan's NPI (1225213036) is active in the NPPES registry as of the last update on 2007-12-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.