NPPES file of Aug 9, 2026

Guam Sleep Center, LLC in Tamuning, GU

This organization bills under NPI 1699957274, an organization record issued on Dec 5, 2007 with the primary taxonomy Sleep Disorder Diagnostic Clinic/Center. Each clinician who works there has their own NPI and license.

CMS NPPES registry, file of Aug 9, 2026 · method · Verify with CMS →

Organization recordNPPES, Aug 2026
1699957274
Legal name
Guam Sleep Center, LLC
Entity
Type 2 · organization
Primary taxonomy
Sleep Disorder Diagnostic Clinic/Center 261QS1200X
Practice location
535 N. MARINE CORPS DRIVE UNIT 1A, Tamuning, GU 96913
Phone
671-647-6669
Enumerated
Dec 5, 2007
Record updated
Jul 28, 2020
Authorized official
Operations Manager (title as filed)
Public record from the NPPES NPI Registry (open it on CMS). An NPI identifies who bills; it is not a facility license.

2 clinicians CMS lists with Guam Sleep Center in Tamuning

  1. Gabriele Barthlen, MDNeurology Physician1477659514
  2. Mary Elizabeth Hernandez, MDPediatrics Physician1174658124

Source: CMS Doctors and Clinicians group affiliations, matched by practice name and city.

Checking an organization

  1. Confirm the business with the Guam secretary of state.
  2. Check the HHS-OIG exclusion list for the organization.
  3. Verify each clinician on their own record and the state license search.

All taxonomies on this record

  • 261QM1300X Multi-Specialty Clinic/Center
  • 261QS1200X Sleep Disorder Diagnostic Clinic/Center

Common questions

Is an organization NPI a license?

No. An NPI identifies who bills. Facilities and the clinicians who work there are licensed separately by the state.

Source: CMS National Plan and Provider Enumeration System (NPPES), monthly file of Aug 9, 2026 (NPPES files on CMS.gov). An NPI identifies who bills; it is not a license.