IndividualActive
Nancy Littlefield
NPI 1427174796 · Clinical Social Worker · San Bruno, CA
Nancy Littlefield is a Clinical Social Worker provider in San Bruno, CA (NPI 1427174796).
Provider details
- NPI number
- 1427174796
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- LCS10814 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(89/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
1290 Commodore Dr
San Bruno, CA 94066-2304
Phone: (650) 872-3626
Approximate (ZIP-level) locationGet directions
Mailing address
1290 Commodore Dr
San Bruno, CA 94066-2304
Registry dates
- Enumerated
- 2007-03-21
- Last updated
- 2007-07-08
Frequently asked questions
- What is Nancy Littlefield's NPI number?
- Nancy Littlefield's National Provider Identifier (NPI) is 1427174796, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nancy Littlefield's specialty?
- Nancy Littlefield is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Nancy Littlefield located?
- Nancy Littlefield's practice location on file with NPPES is 1290 Commodore Dr, San Bruno, CA 94066-2304.
- What is Nancy Littlefield's phone number?
- The practice phone number listed in the NPPES registry for Nancy Littlefield is (650) 872-3626.
- Is Nancy Littlefield's NPI active?
- Yes — Nancy Littlefield's NPI (1427174796) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.