Crystal Costa
NPI 1245609395 · Adult Psychiatric/Mental Health Registered Nurse · Antioch, CA
Crystal Costa is a Adult Psychiatric/Mental Health Registered Nurse provider in Antioch, CA (NPI 1245609395).
Provider details
- NPI number
- 1245609395
- Entity type
- Individual
- Primary specialty
- Adult Psychiatric/Mental Health Registered NurseNursing Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 95029245 (CA)
Specialties & taxonomies
Nursing Service Providers
Profile Score
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
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
- 2015-09-18
- Last updated
- 2015-12-03
Frequently asked questions
- What is Crystal Costa's NPI number?
- Crystal Costa's National Provider Identifier (NPI) is 1245609395, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Crystal Costa's specialty?
- Crystal Costa is listed in the NPPES registry with a primary specialty of Adult Psychiatric/Mental Health Registered Nurse (Nursing Service Providers).
- Where is Crystal Costa located?
- Crystal Costa's practice location on file with NPPES is 4732 Dundee St, Antioch, CA 94531-9449.
- What is Crystal Costa's phone number?
- The practice phone number listed in the NPPES registry for Crystal Costa is (925) 421-8429.
- Is Crystal Costa's NPI active?
- Yes — Crystal Costa's NPI (1245609395) is active in the NPPES registry as of the last update on 2015-12-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.