SANDSTONE MEDICAL ALLIANCE LLC
NPI 1295621886
Surgery - Vascular Surgery in Phoenix, AZ
About Sandstone Medical Alliance Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SANDSTONE MEDICAL ALLIANCE LLC (NPI 1295621886) is a healthcare organization registered as a vascular surgery in Phoenix, Arizona and active in the NPI registry since June 2025. The organization lists Martin P Zomaya, Medical Doctor, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Sandstone Medical Alliance Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
9Medicare enrollment records show 9 clinicians reassign Medicare billing to Sandstone Medical Alliance LLC, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 5 within 10 miles. They are listed nearest first.
Clinicians, nearest first (9)
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 Sandstone Medical Alliance LLC's NPI number?
The NPI number for Sandstone Medical Alliance LLC is 1295621886. It was assigned to this organization in the NPPES registry on June 18, 2025.
Where is Sandstone Medical Alliance LLC located?
Sandstone Medical Alliance LLC is located at 6040 N 7th St Ste 105, Phoenix, AZ 85014. The listed phone number is (602) 277-7430.
What is Sandstone Medical Alliance LLC's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.
Is Sandstone Medical Alliance LLC enrolled in Medicare?
Yes. Sandstone Medical Alliance LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Sandstone Medical Alliance LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 9 clinicians in 4 Medicare specialties reassign their Medicare billing to Sandstone Medical Alliance LLC. 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 General Surgery (4), Vascular Surgery (3) and Neurosurgery (1). Of these, 2 practice at this address and 5 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Sandstone Medical Alliance LLC was last updated on June 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Sandstone Medical Alliance Llc · NPI 1295621886
Vascular Surgery organization in Phoenix, Arizona. Organization record, active in the CMS NPPES registry since June 18, 2025.
## Identity
- **NPI:** 1295621886 (Entity type: Organization)
- **Enumerated:** June 18, 2025
- **Primary specialty:** Surgery - Vascular Surgery · taxonomy 2086S0129X
- **Organization subpart:** No
- **Authorized official:** Martin Zomaya, MEDICAL DOCTOR
## Practice location
- **Address:** 6040 N 7TH ST STE 105, Phoenix, AZ 85014-1803
- **Phone:** (602) 277-7430
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 9 clinicians in 4 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: General Surgery (4), Vascular Surgery (3), Neurosurgery (1); 2 practice at this address and 5 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 18, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1295621886) · Data from the CMS NPPES public registry.