Quantum Sleep Institute

Primary specialty

Sleep Medicine (Psychiatry & Neurology) PhysicianTaxonomy code 2084S0012X

Legal business name

QUANTUM SLEEP INSTITUTE

Practice address

5202 E Main St Ste 101
Mesa, AZ 85205-8065

Phone

(480) 214-5153

Fax

(480) 219-2147

NPI assigned

Jun 1, 2026

Last updated

Aug 31, 2026By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Sanjay Kaji, MDNPI 1154740314

Title

Owner

Phone

(480) 630-8167

Specialties & licenses 1

Addresses

Locations

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Sanjay B. Kaji, MD

  • Sleep Medicine (Psychiatry & Neurology) Physician
  • Phoenix, AZ
  • NPI 1154740314
  NPD Authorized official

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

{
    "created_epoch": "1780272000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1788134400000",
    "number": "1841122306",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5202 E MAIN ST STE 101",
            "city": "MESA",
            "state": "AZ",
            "postal_code": "852058065",
            "telephone_number": "480-214-5153",
            "fax_number": "480-219-2147"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5202 E MAIN ST STE 101",
            "city": "MESA",
            "state": "AZ",
            "postal_code": "852058065",
            "telephone_number": "480-214-5153",
            "fax_number": "480-219-2147"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "QUANTUM SLEEP INSTITUTE",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-06-01",
        "last_updated": "2026-08-31",
        "certification_date": "2026-08-31",
        "status": "A",
        "authorized_official_last_name": "KAJI",
        "authorized_official_first_name": "SANJAY",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "480-630-8167",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "2084S0012X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Psychiatry & Neurology, Sleep Medicine",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Sleep Medicine (Psychiatry & Neurology) Physician in Mesa, AZ
• Providers in Mesa, AZ by specialty
• Sleep Medicine (Psychiatry & Neurology) Physician in Arizona

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 31, 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.