Crystal Humphrey, RN
NPI 1043514193 · Psychiatric/Mental Health Registered Nurse · Napa, CA
Crystal Humphrey, RN is a Psychiatric/Mental Health Registered Nurse provider in Napa, CA (NPI 1043514193).
Provider details
- NPI number
- 1043514193
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Registered NurseNursing Service Providers
- Credential
- RN
- Sex
- Female
- Sole proprietor
- No
- License
- 720890 (CA)
Specialties & taxonomies
Nursing Service Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 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
- 2011-01-04
- Last updated
- 2018-05-04
Frequently asked questions
- What is Crystal Humphrey's NPI number?
- Crystal Humphrey's National Provider Identifier (NPI) is 1043514193, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Crystal Humphrey's specialty?
- Crystal Humphrey is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Registered Nurse (Nursing Service Providers).
- Where is Crystal Humphrey located?
- Crystal Humphrey's practice location on file with NPPES is 2751 Napa Valley Corporate Dr Bldg B, Napa, CA 94558-6216.
- What is Crystal Humphrey's phone number?
- The practice phone number listed in the NPPES registry for Crystal Humphrey is (707) 227-3900.
- Is Crystal Humphrey's NPI active?
- Yes — Crystal Humphrey's NPI (1043514193) is active in the NPPES registry as of the last update on 2018-05-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.