NPIMap

Organization Active NPI

Siren Medical PC

  • Geriatric Medicine (Family Medicine) Physician
  • Phoenix, AZ
National Provider Identifier
1073148326
Registry record updated Jul 30, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Geriatric Medicine (Family Medicine) PhysicianTaxonomy code 207QG0300X
Legal business name
SIREN MEDICAL PC
Practice address
14631 N Cave Creek Rd Ste 104
Phoenix, AZ 85022-4100
Phone
(623) 624-7425
Fax
(623) 624-7158
NPI assigned
Mar 6, 2020
Last updated
Jul 30, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Jul 30, 2026

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

Authorized official

Name
Byron Kent 'BK' Grayson
Title
Physician Asst.
Phone
(623) 986-0599

Specialties & licenses 6

Specialty (taxonomy)CodeLicenseStatePrimary
Nurse Practitioner 363L00000X
Family Medicine Physician 207Q00000X
Geriatric Medicine (Family Medicine) Physician 207QG0300X Primary
Internal Medicine Physician 207R00000X
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
Pulmonary Disease Physician 207RP1001X

Addresses

Primary practice location

14631 N Cave Creek Rd Ste 104
Phoenix, AZ 85022-4100

Mailing address

PO Box 6135
Sun City West, AZ 85376-6135
Phone (623) 624-7425

Other names 1

  • Team Select Mobile Physicians Former legal business name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in AZ

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20200624002619 AZ Part B Supplier - Clinic/Group Practice 6608298419 Receives reassigned benefits from 28 practitioners
Practice locations: Phoenix, AZ

National Provider Directory

National Provider Directory

Locations

14631 N Cave Creek Rd
Phoenix, AZ 85022
Phone (623) 624-7425

2999 N 44th St
Fl 1
Phoenix, AZ 85018

2999 N 44th St
Ste 110
Phoenix, AZ 85018
Phone (602) 288-4059

2999 N 44th St
Ste 220
Phoenix, AZ 85018
Phone (602) 288-4059

8787 N Scottsdale Rd
Scottsdale, AZ 85253

Practitioners & affiliated clinicians

Practitioners 34

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.

View all 34

NPI Registry JSON

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

{
    "created_epoch": "1583452800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1785369600000",
    "number": "1073148326",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 6135",
            "city": "SUN CITY WEST",
            "state": "AZ",
            "postal_code": "853766135",
            "telephone_number": "623-624-7425",
            "fax_number": "623-624-7158"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "14631 N CAVE CREEK RD STE 104",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850224100",
            "telephone_number": "623-624-7425",
            "fax_number": "623-624-7158"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "SIREN MEDICAL PC",
        "organizational_subpart": "NO",
        "enumeration_date": "2020-03-06",
        "last_updated": "2026-07-30",
        "certification_date": "2026-07-30",
        "status": "A",
        "authorized_official_last_name": "GRAYSON",
        "authorized_official_first_name": "BYRON KENT 'BK'",
        "authorized_official_title_or_position": "PHYSICIAN ASST.",
        "authorized_official_telephone_number": "623-986-0599"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207QG0300X",
            "taxonomy_group": "",
            "desc": "Family Medicine, Geriatric Medicine",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207RG0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Geriatric Medicine",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Team Select Mobile Physicians",
            "code": "4",
            "type": "Former Legal Business 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 Jul 30, 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.