BASEM A ATTUM MD A PROFESSIONAL CORPORATION
NPI 1063380228
Orthopaedic Surgery in Garden Grove, CA
About Basem A Attum Md A Professional Corporation NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BASEM A ATTUM MD A PROFESSIONAL CORPORATION (NPI 1063380228) is a healthcare organization registered as an orthopaedic surgery in Garden Grove, California and active in the NPI registry since October 2025. The organization lists Basem Attum, President, 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)
Basem A Attum Md A Professional Corporation is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Basem A Attum MD A Professional Corporation, which bills Medicare for the services this clinician delivers.
Clinician (1)
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 Basem A Attum MD A Professional Corporation's NPI number?
The NPI number for Basem A Attum MD A Professional Corporation is 1063380228. It was assigned to this organization in the NPPES registry on October 28, 2025.
Where is Basem A Attum MD A Professional Corporation located?
Basem A Attum MD A Professional Corporation is located at 10212 Westminster Ave Ste 107, Garden Grove, CA 92843. The listed phone number is (949) 998-9044.
What is Basem A Attum MD A Professional Corporation's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is Basem A Attum MD A Professional Corporation enrolled in Medicare?
Yes. Basem A Attum MD A Professional Corporation is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Basem A Attum MD A Professional Corporation?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Orthopedic Surgery) reassigns their Medicare billing to Basem A Attum MD A Professional Corporation. 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Basem A Attum MD A Professional Corporation was last updated on January 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.