NPI Portal NPI Lookup & Verification

Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Preferred Diagnostic Centers, LLC

Sleep Disorder Diagnostic Clinic/Center in Greenville, SC · enumerated 2006 · authorized official Steve Feldman, President.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1972540375

Verified

See something wrong? Report a correction

Registry record

Entity type Organization (Type 2)
Legal business name Preferred Diagnostic Centers, LLC
Practice address 536 Old Howell Rd, Greenville, SC, 29615
Fax (336) 217-0802
Enumeration date Jun 2, 2006
Last updated in NPPES Jun 12, 2026

Taxonomy & classification

261QS1200X Sleep Disorder Diagnostic Clinic/Center Ambulatory Health Care Facilities Primary

Authorized official

Name Steve Feldman
Title President

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Who is the authorized official for Preferred Diagnostic Centers, LLC?
NPPES lists Steve Feldman (President) as the authorized official for this organization.
What is the NPI number for Preferred Diagnostic Centers, LLC?
The NPI for Preferred Diagnostic Centers, LLC is 1972540375, a Type 2 (organization) record in the CMS NPPES registry.

Providers at this address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-06-12.