Crystal Nielsen, MSW
NPI 1609554765 · Clinical Social Worker · Crescent City, CA
Crystal Nielsen, MSW is a Clinical Social Worker provider in Crescent City, CA (NPI 1609554765).
Provider details
- NPI number
- 1609554765
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 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
- 2023-07-10
- Last updated
- 2026-04-22
- Certified
- 2026-04-22
Frequently asked questions
- What is Crystal Nielsen's NPI number?
- Crystal Nielsen's National Provider Identifier (NPI) is 1609554765, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Crystal Nielsen's specialty?
- Crystal Nielsen is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Crystal Nielsen located?
- Crystal Nielsen's practice location on file with NPPES is 5905 Lake Earl Dr, Crescent City, CA 95532-0002.
- What is Crystal Nielsen's phone number?
- The practice phone number listed in the NPPES registry for Crystal Nielsen is (707) 954-6141.
- Is Crystal Nielsen's NPI active?
- Yes — Crystal Nielsen's NPI (1609554765) is active in the NPPES registry as of the last update on 2026-04-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.