John Barnett
NPI 1194439190 · Marriage & Family Therapist · Greenville, SC
John Barnett is a Marriage & Family Therapist provider in Greenville, SC (NPI 1194439190).
Provider details
- NPI number
- 1194439190
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 8051 (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
3 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
- 2023-01-13
- Last updated
- 2023-12-11
- Certified
- 2023-12-11
Frequently asked questions
- What is John Barnett's NPI number?
- John Barnett's National Provider Identifier (NPI) is 1194439190, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Barnett's specialty?
- John Barnett is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is John Barnett located?
- John Barnett's practice location on file with NPPES is 2510a Wade Hampton Blvd, Greenville, SC 29615-1148.
- What is John Barnett's phone number?
- The practice phone number listed in the NPPES registry for John Barnett is (864) 509-0774.
- Is John Barnett's NPI active?
- Yes — John Barnett's NPI (1194439190) is active in the NPPES registry as of the last update on 2023-12-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.