Ryan Slack
NPI 1821608316 · Other Technician · San Francisco, CA
Ryan Slack is a Other Technician provider in San Francisco, CA (NPI 1821608316).
Provider details
- NPI number
- 1821608316
- Entity type
- Individual
- Primary specialty
- Other TechnicianTechnologists, Technicians & Other Technical Service Providers
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Technologists, Technicians & Other Technical 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
- 2020-08-09
- Last updated
- 2020-08-09
- Certified
- 2020-08-09
Frequently asked questions
- What is Ryan Slack's NPI number?
- Ryan Slack's National Provider Identifier (NPI) is 1821608316, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Slack's specialty?
- Ryan Slack is listed in the NPPES registry with a primary specialty of Other Technician (Technologists, Technicians & Other Technical Service Providers).
- Where is Ryan Slack located?
- Ryan Slack's practice location on file with NPPES is 795 Folsom St, San Francisco, CA 94107-1243.
- What is Ryan Slack's phone number?
- The practice phone number listed in the NPPES registry for Ryan Slack is (855) 832-6727.
- Is Ryan Slack's NPI active?
- Yes — Ryan Slack's NPI (1821608316) is active in the NPPES registry as of the last update on 2020-08-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.