Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Southeast Texas Sleep Diagnostics LLC

Sleep Disorder Diagnostic Clinic/Center in Nederland, TX · enumerated 2006 · authorized official Harley Metcalfe, Vice President.

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

National Provider Identifier

1699843748

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Registry record

Entity type Organization (Type 2)

Legal business name Southeast Texas Sleep Diagnostics LLC

Practice address 1112 N. Highway 69, Suite A, Nederland, TX, 77627

Phone (409) 727-7122

Fax (409) 727-8080

Enumeration date Nov 30, 2006

Last updated in NPPES Oct 7, 2010

Taxonomy & classification

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

Authorized official

Name Harley Metcalfe

Title Vice President

Phone (913) 706-7600

Other identifiers

Identifier	Type	State	Issuer
PL7097	Other	TX	BCBS

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

What is a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

What type of organization is Southeast Texas Sleep Diagnostics LLC?

Southeast Texas Sleep Diagnostics LLC is registered in NPPES as a Sleep Disorder Diagnostic Clinic/Center (its primary provider taxonomy).

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-10-07.