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GUAM SLEEP CENTER, LLC
NPI 1699957274
Clinic/Center - Sleep Disorder Diagnostic in Tamuning, GU

Active since December 05, 2007
535 N. MARINE CORPS DRIVE, UNIT 1A, TAMUNING, GU 96913(671) 647-6669(671) 647-6277 Get Directions Write a Review

NPPES record last updated: July 28, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Guam Sleep Center, Llc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GUAM SLEEP CENTER, LLC (NPI 1699957274) is a healthcare organization registered as a sleep disorder diagnostic in Tamuning, Guam and active in the NPI registry since December 2007. The organization lists Divina Mesa, Operations Manager, as its authorized official.

NPPES Registry Identity

NPI1699957274
Entity TypeOrganization
Primary Taxonomy261QS1200X
Legal Business NameGUAM SLEEP CENTER, LLC
Location Address535 N. MARINE CORPS DRIVE, UNIT 1ATamuning, GU 96913
Mailing Address535 N Marine Corps Dr Ste 1aTamuning, GU 96913-4112 · (671) 647-6669 · Fax (671) 647-6277
Phone(671) 647-6669
Fax(671) 647-6277
Organization SubpartNo
Authorized OfficialDivina MesaOperations Manager · (671) 647-6669
Enumeration DateDecember 5, 2007
Last NPPES UpdateJuly 28, 2020
NPPES CertifiedJuly 28, 2020
✔ NPI 1699957274 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyClinic/Center · Sleep Disorder DiagnosticAmbulatory Health Care Facilities
Taxonomy Code261QS1200X
License✔ Licensed in GU · 13-200701593-001
Also ListedClinic/Center · Multi-SpecialtyTaxonomy 261QM1300X

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Guam Sleep Center, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Guam Sleep Center, LLC, which bills Medicare for the services they deliver. They are listed nearest first.

Clinicians, nearest first (2)

Gabriele Barthlen, M.D.
Sleep Medicine
NPI 1477659514
98-1238 KAAHUMANU ST 300
Pearl City, HI 96782
(808) 456-7378
✔ PECOS✔ Accepts Medicare
Mary Elizabeth Hernandez, MD
Pediatric Medicine
NPI 1174658124
500409 CHALAN KANOA COMMONWEALTH HEALTH CENTER
Saipan, MP 96950
(670) 234-8950
✔ PECOS

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Guam Sleep Center, LLC's NPI number?

The NPI number for Guam Sleep Center, LLC is 1699957274. It was assigned to this organization in the NPPES registry on December 5, 2007.

Where is Guam Sleep Center, LLC located?

Guam Sleep Center, LLC is located at 535 N. Marine Corps Drive Unit 1A, Tamuning, GU 96913. The listed phone number is (671) 647-6669.

What is Guam Sleep Center, LLC's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Sleep Disorder Diagnostic, with taxonomy code 261QS1200X.

Is Guam Sleep Center, LLC enrolled in Medicare?

Yes. Guam Sleep Center, LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Guam Sleep Center, LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Guam Sleep Center, LLC, in Pediatric Medicine and Sleep Medicine. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Guam Sleep Center, LLC was last updated on July 28, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.