Rita Chastain
NPI 1528666542 · Addiction (Substance Use Disorder) Counselor · Mission Viejo, CA
Rita Chastain is a Addiction (Substance Use Disorder) Counselor provider in Mission Viejo, CA (NPI 1528666542).
Provider details
- NPI number
- 1528666542
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
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
5 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
- 2020-10-12
- Last updated
- 2020-10-12
- Certified
- 2020-10-11
Frequently asked questions
- What is Rita Chastain's NPI number?
- Rita Chastain's National Provider Identifier (NPI) is 1528666542, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rita Chastain's specialty?
- Rita Chastain is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Rita Chastain located?
- Rita Chastain's practice location on file with NPPES is 27281 Las Ramblas Ste 140, Mission Viejo, CA 92691-6387.
- What is Rita Chastain's phone number?
- The practice phone number listed in the NPPES registry for Rita Chastain is (949) 540-0170.
- Is Rita Chastain's NPI active?
- Yes — Rita Chastain's NPI (1528666542) is active in the NPPES registry as of the last update on 2020-10-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.