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SLEEPOLOGY
NPI 1538090550
Internal Medicine - Sleep Medicine in Claremont, CA

Active since May 27, 2026
1601 MONTE VISTA AVE STE 270, CLAREMONT, CA 91711(909) 865-9152 Get Directions Write a Review

NPPES record last updated: May 27, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Sleepology NPPES

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

SLEEPOLOGY (NPI 1538090550) is a healthcare organization registered as a sleep medicine in Claremont, California and active in the NPI registry since May 2026. The organization maintains a secondary practice location in Chino Hills and lists Sujay Dayal, Dr., as its authorized official.

NPPES Registry Identity

NPI1538090550
Entity TypeOrganization
Primary Taxonomy207RS0012X
Legal Business NameSLEEPOLOGY
Location Address1601 MONTE VISTA AVE STE 270Claremont, CA 91711-6604
Mailing Address2334 Brown Deer CtChino Hills, CA 91709-4351
Phone(909) 865-9152
Organization SubpartNo
Authorized OfficialSujay DayalDr. · (909) 331-6321
Enumeration DateMay 27, 2026
NPPES CertifiedMay 27, 2026
✔ NPI 1538090550 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Sleep MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RS0012X
Definition
An Internist who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. Sleep specialists treat patients of any age and use multidisciplinary approaches. Disorders managed by sleep specialists include, but are not limited to, sleep related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias and sleep related movement disorders.
1601 MONTE VISTA AVE STE 270, Claremont, CA 91711
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Secondary Practice Location 1

Location 12334 Brown Deer CtChino Hills, CA 91709-4351 · Phone (909) 331-6321

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES

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

HEATHER LYNN DAVIS MD
Internal Medicine (Pulmonary Disease)
1601 MONTE VISTA AVE STE 270
CLAREMONT, CA 91711
Los Angeles County (909) 865-9152

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 Sleepology's NPI number?

The NPI number for Sleepology is 1538090550. It was assigned to this organization in the NPPES registry on May 27, 2026.

Where is Sleepology located?

Sleepology is located at 1601 Monte Vista Ave Ste 270, Claremont, CA 91711. The listed phone number is (909) 865-9152.

What is Sleepology's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Sleep Medicine, with taxonomy code 207RS0012X.

When was this NPI record last updated?

The NPPES record for Sleepology was last updated on May 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.