UNION HILLS ANESTHESIA
NPI 1558858712
Anesthesiology in Phoenix, AZ
About Union Hills Anesthesia NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
UNION HILLS ANESTHESIA (NPI 1558858712) is a healthcare organization registered as an anesthesiology in Phoenix, Arizona and active in the NPI registry since April 2018. The organization lists Brian Giessler, Svp Asc Operations And Business Ser, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
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)
Union Hills Anesthesia is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
25Medicare enrollment records show 25 clinicians reassign Medicare billing to Union Hills Anesthesia, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 9 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 3
Nearest to this location (20)
See all 25Source: 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 Union Hills Pain Partners LLC's NPI number?
The NPI number for Union Hills Pain Partners LLC is 1558858712. It was assigned to this organization in the NPPES registry on April 13, 2018. The provider is doing business as Union Hills Anesthesia.
Where is Union Hills Pain Partners LLC located?
Union Hills Pain Partners LLC is located at 4727 E Union Hills Dr Ste 300, Phoenix, AZ 85050. The listed phone number is (480) 207-3737.
What is Union Hills Pain Partners LLC's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Union Hills Pain Partners LLC enrolled in Medicare?
Yes. Union Hills Pain Partners LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Union Hills Pain Partners LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 25 clinicians in 3 Medicare specialties reassign their Medicare billing to Union Hills Pain Partners 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 Certified Registered Nurse Anesthetist (CRNA) (23), Anesthesiology (1) and Interventional Pain Management (1). Of these, 1 practice at this address and 9 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Union Hills Pain Partners LLC accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Imperial Insurance Companies, Inc. and Oscar Health Plan, Inc. list Union Hills Pain Partners LLC 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 Union Hills Pain Partners LLC was last updated on April 13, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years 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.
# Union Hills Anesthesia · NPI 1558858712
Anesthesiology organization in Phoenix, Arizona. Organization record, active in the CMS NPPES registry since April 13, 2018.
## Identity
- **NPI:** 1558858712 (Entity type: Organization)
- **Enumerated:** April 13, 2018
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **Legal business name:** Union Hills Pain Partners Llc
- **Organization subpart:** No
- **Authorized official:** Brian Giessler, SVP ASC OPERATIONS AND BUSINESS SER
## Practice location
- **Address:** 4727 E UNION HILLS DR STE 300, Phoenix, AZ 85050-3387
- **Phone:** (480) 207-3737
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 25 clinicians in 3 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Certified Registered Nurse Anesthetist (CRNA) (23), Anesthesiology (1), Interventional Pain Management (1); 1 practice at this address and 9 within 10 miles; [full list](https://npiprofile.com/npi/1558858712/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 13, 2018
---
Source: [NPI Profile](https://npiprofile.com/npi/1558858712) · Data from the CMS NPPES public registry.