IndividualActive
Deborah Duncan
NPI 1912383340 · Mental Health Counselor · Oakland, CA
Deborah Duncan is a Mental Health Counselor provider in Oakland, CA (NPI 1912383340).
Provider details
- NPI number
- 1912383340
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(67/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 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
510 16th St
Oakland, CA 94612-1520
Phone: (510) 357-5515
Street-level locationGet directions
Mailing address
4040 Manila Ave Apt 3
Oakland, CA 94609-2661
Registry dates
- Enumerated
- 2015-08-07
- Last updated
- 2015-08-07
Frequently asked questions
- What is Deborah Duncan's NPI number?
- Deborah Duncan's National Provider Identifier (NPI) is 1912383340, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Deborah Duncan's specialty?
- Deborah Duncan is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Deborah Duncan located?
- Deborah Duncan's practice location on file with NPPES is 510 16th St, Oakland, CA 94612-1520.
- What is Deborah Duncan's phone number?
- The practice phone number listed in the NPPES registry for Deborah Duncan is (510) 357-5515.
- Is Deborah Duncan's NPI active?
- Yes — Deborah Duncan's NPI (1912383340) is active in the NPPES registry as of the last update on 2015-08-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.