SLEEPOLOGY – NPI #1538090550
Internal Medicine

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.

Health Care Provider Taxonomy Code for Internal Medicine

SLEEPOLOGY is a provider located in CLAREMONT, CA. NPPES recently assigned the NPI number 1538090550 to SLEEPOLOGY on May 27, 2026. It is a Type-2 NPI, indicating this NPI number is associated with an organization. The primary taxonomy selected by this provider is 207RS0012X from the Health Care Provider Taxonomy code set, which is classified as Internal Medicine, specializing in Sleep Medicine

Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for SLEEPOLOGY below.

NPI Profile for
SLEEPOLOGY

NPI Number
1538090550
Enumeration Date

(about 2 weeks ago)
Entity Type
Type-2  Organization
Organization health care providers may have a single employee or thousands of employees. An example is an incorporated individual who is an organization's only employee.
Legal Name
SLEEPOLOGY
Primary location
1601 MONTE VISTA AVE STE 270
CLAREMONT, CA 91711-6604
Phone: (909) 865-9152 Fax:
1 Other location(s):
2334 Brown Deer Ct
Chino Hills, CA 91709-4351
Phone: (909) 331-6321
Mailing address
2334 BROWN DEER CT
CHINO HILLS, CA 91709-4351
Phone: Fax:
Organization Subpart
No
Authorized Official
SUJAY DAYAL
DR.
Phone: (909) 331-6321
Updated
Certification Date
May 27, 2026

Note: NPPES allows providers to attest to the accuracy of their NPI data. When a provider request any change to the NPI record, they will be able to attest to their changed NPI data, resulting in an updated certification date.

Taxonomy Code(s)

A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.

Taxonomy Classification / Specialization State License
207RS0012X
- Internal Medicine / Sleep Medicine (Primary)

The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.