Preston Johnson
NPI 1356449623 · Clinical Social Worker · Columbia, SC
Enrolled with Medicare as Order and Referring Only - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Preston Johnson is a Clinical Social Worker provider in Columbia, SC (NPI 1356449623).
Provider details
- NPI number
- 1356449623
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 6526 (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
19 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
- 2006-09-20
- Last updated
- 2007-07-08
Frequently asked questions
- What is Preston Johnson's NPI number?
- Preston Johnson's National Provider Identifier (NPI) is 1356449623, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Preston Johnson's specialty?
- Preston Johnson is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Preston Johnson located?
- Preston Johnson's practice location on file with NPPES is 6439 Garners Ferry Rd, Columbia, SC 29209-1638.
- What is Preston Johnson's phone number?
- The practice phone number listed in the NPPES registry for Preston Johnson is (803) 776-4000.
- Does Preston Johnson accept Medicare?
- Preston Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Preston Johnson's NPI active?
- Yes — Preston Johnson's NPI (1356449623) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.