SIREN MEDICAL PC
NPI 1073148326
Family Medicine - Geriatric Medicine in Phoenix, AZ
About Siren Medical Pc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SIREN MEDICAL PC (NPI 1073148326), doing business as Team Select Mobile Physicians, is a healthcare organization registered as a geriatric medicine in Phoenix, Arizona and active in the NPI registry since March 2020. The organization lists Byron Kent 'bk' Grayson, Physician Asst., as its authorized official.
NPPES Registry Identity
Specialties & Licenses 6
Other Names 1
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Siren Medical Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
23Medicare enrollment records show 23 clinicians reassign Medicare billing to Siren Medical PC, which bills Medicare for the services they deliver. Of these, 7 practice within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 2
Nearest to this location (20)
See all 23Apache Junction, AZ 85120
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Siren Medical PC's NPI number?
The NPI number for Siren Medical PC is 1073148326. It was assigned to this organization in the NPPES registry on March 6, 2020. The provider was formerly known as Team Select Mobile Physicians.
Where is Siren Medical PC located?
Siren Medical PC is located at 14631 N Cave Creek Rd Ste 104, Phoenix, AZ 85022. The listed phone number is (623) 624-7425.
What is Siren Medical PC's specialty?
The primary specialty registered for this NPI is Family Medicine, specializing in Geriatric Medicine, with taxonomy code 207QG0300X.
Is Siren Medical PC enrolled in Medicare?
Yes. Siren Medical PC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Siren Medical PC?
According to the CMS Revalidation Reassignment List (October 2026 release), 23 clinicians in 2 Medicare specialties reassign their Medicare billing to Siren Medical PC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Nurse Practitioner (22) and Family Practice (1). Of these, 7 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Siren Medical PC accept?
Health plans from Ambetter from Arizona Complete Health list Siren Medical PC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Siren Medical PC was last updated on July 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Siren Medical Pc · NPI 1073148326
Geriatric Medicine organization in Phoenix, Arizona. Organization record, active in the CMS NPPES registry since March 6, 2020.
## Identity
- **NPI:** 1073148326 (Entity type: Organization)
- **Enumerated:** March 6, 2020
- **Primary specialty:** Family Medicine - Geriatric Medicine · taxonomy 207QG0300X
- **Also known as:** Team Select Mobile Physicians (Former Legal Business Name)
- **Organization subpart:** No
- **Authorized official:** Byron Kent 'bk' Grayson, PHYSICIAN ASST.
## Practice location
- **Address:** 14631 N CAVE CREEK RD STE 104, Phoenix, AZ 85022-4100
- **Phone:** (623) 624-7425 · **Fax:** (623) 624-7158
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 23 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (22), Family Practice (1); 7 practice within 10 miles; [full list](https://npiprofile.com/npi/1073148326/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 30, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1073148326) · Data from the CMS NPPES public registry.