CANCER CARE OF WESTERN ARIZONA
NPI 1003139387
Internal Medicine - Hematology & Oncology in Lake Havasu City, AZ
About Cancer Care Of Western Arizona NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CANCER CARE OF WESTERN ARIZONA (NPI 1003139387) is a healthcare organization registered as a hematology & oncology in Lake Havasu City, Arizona and active in the NPI registry since March 2010. The organization lists Donald J Bivacca, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 1
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)
Cancer Care Of Western Arizona is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
70Medicare enrollment records show 70 clinicians reassign Medicare billing to Cancer Care Of Western Arizona, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 23 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 22
Nearest to this location (20)
See all 70Lake Havasu City, AZ 86403
Lake Havasu City, AZ 86403
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 Hrmc, LLC's NPI number?
The NPI number for Hrmc, LLC is 1003139387. It was assigned to this organization in the NPPES registry on March 1, 2010. The provider is doing business as Cancer Care Of Western Arizona.
Where is Hrmc, LLC located?
Hrmc, LLC is located at 101 Civic Center Ln, Lake Havasu City, AZ 86403. The listed phone number is (928) 453-3761.
What is Hrmc, LLC's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Hrmc, LLC enrolled in Medicare?
Yes. Hrmc, LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Hrmc, LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 70 clinicians in 22 Medicare specialties reassign their Medicare billing to Hrmc, 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 Nurse Practitioner (10), General Surgery (9) and Hematology/Oncology (8). Of these, 1 practice at this address and 23 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 Hrmc, LLC was last updated on June 14, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Cancer Care Of Western Arizona · NPI 1003139387
Hematology & Oncology organization in Lake Havasu City, Arizona. Organization record, active in the CMS NPPES registry since March 1, 2010.
## Identity
- **NPI:** 1003139387 (Entity type: Organization)
- **Enumerated:** March 1, 2010
- **Primary specialty:** Internal Medicine - Hematology & Oncology · taxonomy 207RH0003X
- **Legal business name:** Hrmc, Llc
- **Organization subpart:** No
- **Authorized official:** Donald Bivacca, PRESIDENT
## Practice location
- **Address:** 101 CIVIC CENTER LN, Lake Havasu City, AZ 86403-5607
- **Phone:** (928) 453-3761 · **Fax:** (928) 453-3771
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 70 clinicians in 22 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (10), General Surgery (9), Hematology/Oncology (8); 1 practice at this address and 23 within 10 miles; [full list](https://npiprofile.com/npi/1003139387/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 14, 2010
- **Other identifiers:** Medicare PIN Z136916 (AZ)
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Source: [NPI Profile](https://npiprofile.com/npi/1003139387) · Data from the CMS NPPES public registry.