Sandra Duffield
NPI 1255087805 · Mental Health Counselor · Rancho Cucamonga, CA
Sandra Duffield is a Mental Health Counselor provider in Rancho Cucamonga, CA (NPI 1255087805).
Provider details
- NPI number
- 1255087805
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 125478 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 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
Mailing address
Registry dates
- Enumerated
- 2022-02-22
- Last updated
- 2022-02-22
- Certified
- 2022-02-22
Frequently asked questions
- What is Sandra Duffield's NPI number?
- Sandra Duffield's National Provider Identifier (NPI) is 1255087805, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sandra Duffield's specialty?
- Sandra Duffield is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Sandra Duffield located?
- Sandra Duffield's practice location on file with NPPES is 9033 Base Line Rd Ste K, Rancho Cucamonga, CA 91730-1214.
- What is Sandra Duffield's phone number?
- The practice phone number listed in the NPPES registry for Sandra Duffield is (909) 210-1505.
- Is Sandra Duffield's NPI active?
- Yes — Sandra Duffield's NPI (1255087805) is active in the NPPES registry as of the last update on 2022-02-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.