What is James Simpson's NPI number?

James Simpson's National Provider Identifier (NPI) is 1528991114, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is James Simpson's specialty?

James Simpson is listed in the NPPES registry with a primary specialty of Peer Specialist (Other Service Providers).

Where is James Simpson located?

James Simpson's practice location on file with NPPES is 199 Herlong Ave S, Rock Hill, SC 29732-1186.

What is James Simpson's phone number?

The practice phone number listed in the NPPES registry for James Simpson is (803) 324-1800.

Is James Simpson's NPI active?

Yes — James Simpson's NPI (1528991114) is active in the NPPES registry as of the last update on 2026-06-04.

IndividualActive

James Simpson

NPI 1528991114 · Peer Specialist · Rock Hill, SC

James Simpson is a Peer Specialist provider in Rock Hill, SC (NPI 1528991114).

Provider details

NPI number: 1528991114
Entity type: Individual
Primary specialty: Peer SpecialistOther Service Providers
Sex: Male
Sole proprietor: No

Specialties & taxonomies

Peer SpecialistPrimary175T00000X
Other Service Providers

Profile Score

Basic profile(46/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
Under 1 yr in 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

199 Herlong Ave S

Rock Hill, SC 29732-1186

Phone: (803) 324-1800

Fax: (803) 328-3831

Street-level locationGet directions

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Mailing address