Sleepology

Primary specialty

Sleep Medicine (Internal Medicine) PhysicianTaxonomy code 207RS0012X

Legal business name

SLEEPOLOGY

Practice address

1601 Monte Vista Ave Ste 270
Claremont, CA 91711-6604

Phone

(909) 865-9152

NPI assigned

May 27, 2026

Organization subpart

No

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name

Sujay DayalNPI 1740920966

Title

Dr.

Phone

(909) 331-6321

Specialties & licenses 1

Addresses

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Sujay Dayal

  • Internal Medicine Physician
  • Modesto, CA
  • NPI 1740920966
  NPD Authorized official

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1779840000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1779840000000",
    "number": "1538090550",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2334 BROWN DEER CT",
            "city": "CHINO HILLS",
            "state": "CA",
            "postal_code": "917094351"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1601 MONTE VISTA AVE STE 270",
            "city": "CLAREMONT",
            "state": "CA",
            "postal_code": "917116604",
            "telephone_number": "909-865-9152"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2334 Brown Deer Ct",
            "address_purpose": "LOCATION",
            "city": "Chino Hills",
            "state": "CA",
            "postal_code": "917094351",
            "country_code": "US",
            "telephone_number": "909-331-6321",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "SLEEPOLOGY",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-05-27",
        "last_updated": "2026-05-27",
        "certification_date": "2026-05-27",
        "status": "A",
        "authorized_official_last_name": "DAYAL",
        "authorized_official_first_name": "SUJAY",
        "authorized_official_title_or_position": "DR.",
        "authorized_official_telephone_number": "909-331-6321"
    },
    "taxonomies": [
        {
            "code": "207RS0012X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Internal Medicine, Sleep Medicine",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Simple Speech Therapy, Inc.
• Shauna Adhesha Singh
• Jonathan Pui-Kay Siu, D.O.
• Ann Skenderian, LCSW
• Daniel Skenderian, PH.D.
• Patricia Ann Smiley, PHD
• Smith and Bellows Dental Practice
• Amy Annmarie Smith
• Beverly Rose Smith
• Brian D. Smith, D.D.S.

• Sleep Medicine (Internal Medicine) Physician in Claremont, CA
• Providers in Claremont, CA by specialty
• Sleep Medicine (Internal Medicine) Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 27, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.