Constance Washington-Greathouse
NPI 1508403452 · Addiction (Substance Use Disorder) Counselor · Stockton, CA
Constance Washington-Greathouse is a Addiction (Substance Use Disorder) Counselor provider in Stockton, CA (NPI 1508403452).
Provider details
- NPI number
- 1508403452
- 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
6 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
- 2019-12-10
- Last updated
- 2019-12-10
- Certified
- 2019-12-10
Frequently asked questions
- What is Constance Washington-Greathouse's NPI number?
- Constance Washington-Greathouse's National Provider Identifier (NPI) is 1508403452, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Constance Washington-Greathouse's specialty?
- Constance Washington-Greathouse is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Constance Washington-Greathouse located?
- Constance Washington-Greathouse's practice location on file with NPPES is 1947 N California St Ste B&c, Stockton, CA 95204-6029.
- What is Constance Washington-Greathouse's phone number?
- The practice phone number listed in the NPPES registry for Constance Washington-Greathouse is (209) 463-0870.
- Is Constance Washington-Greathouse's NPI active?
- Yes — Constance Washington-Greathouse's NPI (1508403452) is active in the NPPES registry as of the last update on 2019-12-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.