Webster Slack, RN
NPI 1104582246 · General Practice Registered Nurse · Santa Clarita, CA
Webster Slack, RN is a General Practice Registered Nurse provider in Santa Clarita, CA (NPI 1104582246).
Provider details
- NPI number
- 1104582246
- Entity type
- Individual
- Primary specialty
- General Practice Registered NurseNursing Service Providers
- Credential
- RN
- Sex
- Male
- Sole proprietor
- Yes
- License
- 718243 (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
4 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
- 2021-11-12
- Last updated
- 2021-11-12
- Certified
- 2021-11-12
Frequently asked questions
- What is Webster Slack's NPI number?
- Webster Slack's National Provider Identifier (NPI) is 1104582246, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Webster Slack's specialty?
- Webster Slack is listed in the NPPES registry with a primary specialty of General Practice Registered Nurse (Nursing Service Providers).
- Where is Webster Slack located?
- Webster Slack's practice location on file with NPPES is 24790 Valley St, Santa Clarita, CA 91321-2629.
- What is Webster Slack's phone number?
- The practice phone number listed in the NPPES registry for Webster Slack is (661) 670-2020.
- Is Webster Slack's NPI active?
- Yes — Webster Slack's NPI (1104582246) is active in the NPPES registry as of the last update on 2021-11-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.