OrganizationActive
Sandra Klein LLC
NPI 1437923919 · Clinical Social Worker · Boulder, CO
Sandra Klein LLC is a Clinical Social Worker organization in Boulder, CO (NPI 1437923919).
Provider details
- NPI number
- 1437923919
- Entity type
- Organization
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Sandra Klein, Sole Owner(719) 244-8321
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(57/100 index)
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
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
3663 Silverton St
Boulder, CO 80301-3614
Phone: (719) 244-8321
Street-level locationGet directions
Mailing address
3663 Silverton St
Boulder, CO 80301-3614
Registry dates
- Enumerated
- 2023-11-14
- Last updated
- 2024-01-10
- Certified
- 2024-01-10
Frequently asked questions
- What is Sandra Klein LLC's NPI number?
- Sandra Klein LLC's National Provider Identifier (NPI) is 1437923919, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Sandra Klein LLC?
- Sandra Klein LLC is classified in the NPPES registry as Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Sandra Klein LLC located?
- Sandra Klein LLC's practice location on file with NPPES is 3663 Silverton St, Boulder, CO 80301-3614.
- What is Sandra Klein LLC's phone number?
- The practice phone number listed in the NPPES registry for Sandra Klein LLC is (719) 244-8321.
- Who is the authorized official for Sandra Klein LLC?
- The authorized official listed on Sandra Klein LLC's NPPES record is Sandra Klein, Sole Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Sandra Klein LLC's NPI active?
- Yes — Sandra Klein LLC's NPI (1437923919) is active in the NPPES registry as of the last update on 2024-01-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.