What is John Clark's NPI number?

John Clark's National Provider Identifier (NPI) is 1902517154, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is John Clark's specialty?

John Clark is listed in the NPPES registry with a primary specialty of Behavior Analyst (Behavioral Health & Social Service Providers).

Where is John Clark located?

John Clark's practice location on file with NPPES is 45 Creekview Ct, Greenville, SC 29615-4800.

What is John Clark's phone number?

The practice phone number listed in the NPPES registry for John Clark is (864) 609-4108.

Is John Clark's NPI active?

Yes — John Clark's NPI (1902517154) is active in the NPPES registry as of the last update on 2022-12-08.

IndividualActive

John Clark

NPI 1902517154 · Behavior Analyst · Greenville, SC

John Clark is a Behavior Analyst provider in Greenville, SC (NPI 1902517154).

Provider details

NPI number: 1902517154
Entity type: Individual
Primary specialty: Behavior AnalystBehavioral Health & Social Service Providers
Sex: Male
Sole proprietor: Yes

Specialties & taxonomies

Behavior AnalystPrimary103K00000X
Behavioral Health & Social Service Providers

Profile Score

Established profile(53/100 index)

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
83% 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

45 Creekview Ct

Greenville, SC 29615-4800

Phone: (864) 609-4108

Street-level locationGet directions

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Mailing address