Organization Active NPI

Twilight Clinic PLLC

  • Sleep Medicine (Internal Medicine) Physician
  • Phoenix, AZ
National Provider Identifier
1740856913
Registry record updated Feb 27, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Sleep Medicine (Internal Medicine) PhysicianTaxonomy code 207RS0012X
Legal business name
TWILIGHT CLINIC PLLC
Practice address
540 W Mariposa St Apt 8
Phoenix, AZ 85013-2573
Phone
(480) 370-7869
Fax
(480) 210-6086
NPI assigned
May 28, 2021
Last updated
Feb 27, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Feb 27, 2026

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

Authorized official

Name
Dr. James Davis, DONPI 1750662995
Title
Ceo
Phone
(480) 848-7030

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Pulmonary Disease Physician 207RP1001X
Sleep Medicine (Internal Medicine) Physician 207RS0012X Primary

Addresses

Primary practice location

540 W Mariposa St Apt 8
Phoenix, AZ 85013-2573

Mailing address

540 W Mariposa St Apt 8
Phoenix, AZ 85013-2573
Phone (480) 848-7030

Other practice location 1

4400 N 32nd St Ste 220
Phoenix, AZ 85018-3965
Phone (480) 848-7030

Other practice location 2

4140 E Baseline Rd Ste 101
Mesa, AZ 85206-4413
Phone (480) 848-7030

Other names 2

  • Twilight Clinic - TeleHealth Office Other name
  • Twilight Sleep Clinic Other name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in AZ, NV2 enrollments

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
O20220411000255 AZ Part B Supplier - Clinic/Group Practice 7416343900 Receives reassigned benefits from 1 practitioner
Practice locations: Mesa, AZ; Phoenix, AZ
O20230926000275 NV Part B Supplier - Clinic/Group Practice 7416343900 Receives reassigned benefits from 1 practitioner
Practice locations: Las Vegas, NV

National Provider Directory

National Provider Directory

Locations

2150 S Dobson Rd
Ste 3
Mesa, AZ 85202
Phone (480) 256-1489

Practitioners & affiliated clinicians

Practitioners 2

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.

NPI Registry JSON

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

{
    "created_epoch": "1622160000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1772150400000",
    "number": "1740856913",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "540 W MARIPOSA ST APT 8",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850132573",
            "telephone_number": "480-848-7030",
            "fax_number": "480-210-6086"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "540 W MARIPOSA ST APT 8",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850132573",
            "telephone_number": "480-370-7869",
            "fax_number": "480-210-6086"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4400 N 32nd St Ste 220",
            "address_purpose": "LOCATION",
            "city": "Phoenix",
            "state": "AZ",
            "postal_code": "850183965",
            "country_code": "US",
            "telephone_number": "480-848-7030",
            "fax_number": "480-210-6086",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4140 E Baseline Rd Ste 101",
            "address_purpose": "LOCATION",
            "city": "Mesa",
            "state": "AZ",
            "postal_code": "852064413",
            "country_code": "US",
            "telephone_number": "480-848-7030",
            "fax_number": "480-210-6086",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "TWILIGHT CLINIC PLLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2021-05-28",
        "last_updated": "2026-02-27",
        "certification_date": "2026-02-27",
        "status": "A",
        "authorized_official_last_name": "DAVIS",
        "authorized_official_first_name": "JAMES",
        "authorized_official_title_or_position": "CEO",
        "authorized_official_telephone_number": "480-848-7030",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "DO"
    },
    "taxonomies": [
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207RS0012X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Sleep Medicine",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Twilight Clinic - TeleHealth Office",
            "code": "5",
            "type": "Other Name"
        },
        {
            "organization_name": "Twilight Sleep Clinic",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

Other providers in Phoenix, AZ

Sources for this page

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

Verify at the official NPI Registry.