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RESTFUL SLEEP DISORDER CENTER
NPI 1144665100
Clinic/Center - Sleep Disorder Diagnostic in Duarte, CA

Active since May 05, 2013
931 BUENA VISTA ST, SUITE 103, DUARTE, CA 91010(626) 531-6891(626) 531-6890 Get Directions Write a Review

NPPES record last updated: April 13, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Restful Sleep Disorder Center NPPES

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

RESTFUL SLEEP DISORDER CENTER (NPI 1144665100) is a healthcare organization registered as a sleep disorder diagnostic in Duarte, California and active in the NPI registry since May 2013. The organization lists Juan Gonzalez, General Manager, as its authorized official.

NPPES Registry Identity

NPI1144665100
Entity TypeOrganization
Primary Taxonomy261QS1200X
Legal Business NameMOUNTAIN GROUP LLC
Location Address931 BUENA VISTA ST, SUITE 103Duarte, CA 91010-1712
Mailing Address931 Buena Vista St, Suite 103Duarte, CA 91010-1712 · (626) 531-6891 · Fax (626) 531-6890
Phone(626) 531-6891
Fax(626) 531-6890
Organization SubpartNo
Authorized OfficialJuan GonzalezGeneral Manager · (818) 415-7254
Enumeration DateMay 5, 2013
Last NPPES UpdateApril 13, 2021
NPPES CertifiedApril 6, 2021
✔ NPI 1144665100 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Sleep Disorder DiagnosticAmbulatory Health Care Facilities
Taxonomy Code261QS1200X
931 BUENA VISTA ST, Duarte, CA 91010
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Other Names 1

Doing Business AsRestful Sleep Disorder Center

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Sleep study in sleep lab with continuous airway pressure (6 years or older) 95811
A sleep study in a sleep lab with continuous airway pressure is a test for individuals aged 6 and above. It monitors your sleep patterns to check for disorders like sleep apnea. Continuous airway pressure helps keep your airways open while you sleep, improving your breathing.
32 services30 patients
Sleep study in sleep lab (6 years or older) 95810
A sleep study in a sleep lab is a non-invasive overnight test that monitors your body while you sleep. It helps doctors understand your sleep patterns and identify any issues like sleep apnea or insomnia. You'll be connected to equipment that tracks your heart rate, brain waves, breathing, and movements.
22 services22 patients
Sleep study including heart rate, breathing, airflow, and effort 95806
A sleep study monitors your heart rate, breathing patterns, airflow, and physical effort while you sleep. It helps identify sleep disorders by tracking your sleep stages and cycles. This data aids doctors in diagnosing and treating sleep-related issues.
18 services18 patients

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CHRISTOPHER I SANCHEZ
Behavior Technician
931 BUENA VISTA ST
DUARTE, CA 91010
Los Angeles County (626) 739-3765
DELIA TERESA ULLOA
Behavior Technician
931 BUENA VISTA ST
DUARTE, CA 91010
Los Angeles County (626) 671-8866
THOMAS VICTOR DEGUZMAN P.T.
Physical Therapist
931 BUENA VISTA ST, SUITE 304
DUARTE, CA 91010
Los Angeles County (626) 389-0187
ALICIA P. CUENTO, M.D., INC
Pediatrics
931 BUENA VISTA ST, #100
DUARTE, CA 91010
Los Angeles County (626) 357-5087
DR. ELIZABETH ANNE SMALLEY MD
Internal Medicine
931 BUENA VISTA ST, 405
DUARTE, CA 91010
Los Angeles County (626) 358-8901
HEALTH CARE PARTNERS, INC.
Non-Pharmacy Dispensing Site
931 BUENA VISTA ST, SUITE 400
DUARTE, CA 91010
Los Angeles County (626) 358-0269
IRENE O LAO M.D.
Dermatology
931 BUENA VISTA ST, SUITE 201
DUARTE, CA 91010
Los Angeles County (626) 303-4626
GLENN K. TAKEI, M.D., INC.
Orthopaedic Surgery
931 BUENA VISTA ST, SUITE 505
DUARTE, CA 91010
Los Angeles County (626) 357-9931

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 Mountain Group LLC's NPI number?

The NPI number for Mountain Group LLC is 1144665100. It was assigned to this organization in the NPPES registry on May 5, 2013. The provider is doing business as Restful Sleep Disorder Center.

Where is Mountain Group LLC located?

Mountain Group LLC is located at 931 Buena Vista St Suite 103, Duarte, CA 91010. The listed phone number is (626) 531-6891.

What is Mountain Group LLC's specialty?

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

When was this NPI record last updated?

The NPPES record for Mountain Group LLC was last updated on April 13, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.