IndividualActive
Barbara Duffy, R.N.
NPI 1821240987 · Registered Nurse · Sacramento, CA
Barbara Duffy, R.N. is a Registered Nurse provider in Sacramento, CA (NPI 1821240987).
Provider details
- NPI number
- 1821240987
- Entity type
- Individual
- Primary specialty
- Registered NurseNursing Service Providers
- Credential
- R.N.
- Sex
- Female
- Sole proprietor
- No
- License
- RN-264578 (CA)
Specialties & taxonomies
Nursing Service Providers
Profile Score
Detailed profile(86/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
100% 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
6600 Bruceville Rd
Sacramento, CA 95823
Phone: (916) 668-6882
Fax: (916) 688-6946
Street-level locationGet directions
Mailing address
3454 La Playa Drive
Davis, CA 95618
Registry dates
- Enumerated
- 2008-10-21
- Last updated
- 2008-10-21
Frequently asked questions
- What is Barbara Duffy's NPI number?
- Barbara Duffy's National Provider Identifier (NPI) is 1821240987, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Barbara Duffy's specialty?
- Barbara Duffy is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).
- Where is Barbara Duffy located?
- Barbara Duffy's practice location on file with NPPES is 6600 Bruceville Rd, Sacramento, CA 95823.
- What is Barbara Duffy's phone number?
- The practice phone number listed in the NPPES registry for Barbara Duffy is (916) 668-6882.
- Is Barbara Duffy's NPI active?
- Yes — Barbara Duffy's NPI (1821240987) is active in the NPPES registry as of the last update on 2008-10-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.