Maria Duculan
NPI 1083964134 · Addiction (Substance Use Disorder) Counselor · Newark, CA
Maria Duculan is a Addiction (Substance Use Disorder) Counselor provider in Newark, CA (NPI 1083964134).
Provider details
- NPI number
- 1083964134
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
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
13 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
Mailing address
Registry dates
- Enumerated
- 2012-09-17
- Last updated
- 2012-09-17
Frequently asked questions
- What is Maria Duculan's NPI number?
- Maria Duculan's National Provider Identifier (NPI) is 1083964134, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Duculan's specialty?
- Maria Duculan is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Maria Duculan located?
- Maria Duculan's practice location on file with NPPES is 6330 Thornton Ave, Newark, CA 94560-3734.
- What is Maria Duculan's phone number?
- The practice phone number listed in the NPPES registry for Maria Duculan is (510) 792-4357.
- Is Maria Duculan's NPI active?
- Yes — Maria Duculan's NPI (1083964134) is active in the NPPES registry as of the last update on 2012-09-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.