Gregory Killian, LMSW
NPI 1700556255 · Clinical Social Worker · Hilton Head Island, SC
Gregory Killian, LMSW is a Clinical Social Worker provider in Hilton Head Island, SC (NPI 1700556255).
Provider details
- NPI number
- 1700556255
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LMSW
- Sex
- Male
- Sole proprietor
- No
- License
- 1759 (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
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
- 2021-09-16
- Last updated
- 2021-09-16
- Certified
- 2021-09-16
Frequently asked questions
- What is Gregory Killian's NPI number?
- Gregory Killian's National Provider Identifier (NPI) is 1700556255, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Killian's specialty?
- Gregory Killian is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Gregory Killian located?
- Gregory Killian's practice location on file with NPPES is 151 Dillon Rd, Hilton Head Island, SC 29926-3705.
- What is Gregory Killian's phone number?
- The practice phone number listed in the NPPES registry for Gregory Killian is (843) 681-4865.
- Is Gregory Killian's NPI active?
- Yes — Gregory Killian's NPI (1700556255) is active in the NPPES registry as of the last update on 2021-09-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.