Grey Group LLC
NPI 1699128835 · Clinical Social Worker · Spartanburg, SC
Grey Group LLC is a Clinical Social Worker organization in Spartanburg, SC (NPI 1699128835).
Provider details
- NPI number
- 1699128835
- Entity type
- Organization
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Stephen Chasteen, Owner(843) 817-9008
- License
- 6926 (SC)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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
- 2016-07-22
- Last updated
- 2016-07-22
Frequently asked questions
- What is Grey Group LLC's NPI number?
- Grey Group LLC's National Provider Identifier (NPI) is 1699128835, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Grey Group LLC?
- Grey Group LLC is classified in the NPPES registry as Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Grey Group LLC located?
- Grey Group LLC's practice location on file with NPPES is 958 E Main St, Spartanburg, SC 29302-2148.
- What is Grey Group LLC's phone number?
- The practice phone number listed in the NPPES registry for Grey Group LLC is (864) 231-6632.
- Who is the authorized official for Grey Group LLC?
- The authorized official listed on Grey Group LLC's NPPES record is Stephen Chasteen, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Grey Group LLC's NPI active?
- Yes — Grey Group LLC's NPI (1699128835) is active in the NPPES registry as of the last update on 2016-07-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.