GEORGE NASR MD PROFESSIONAL CORPORATION
NPI 1508664798
Internal Medicine - Cardiovascular Disease in Fullerton, CA
About George Nasr Md Professional Corporation NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GEORGE NASR MD PROFESSIONAL CORPORATION (NPI 1508664798) is a healthcare organization registered as a cardiovascular disease in Fullerton, California and active in the NPI registry since March 2025. The organization lists George Hany Nasr, 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)
George Nasr Md 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 George Nasr MD 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 George Nasr MD Professional Corporation's NPI number?
The NPI number for George Nasr MD Professional Corporation is 1508664798. It was assigned to this organization in the NPPES registry on March 4, 2025.
Where is George Nasr MD Professional Corporation located?
George Nasr MD Professional Corporation is located at 234 E Commonwealth Ave Ste 200, Fullerton, CA 92832. The listed phone number is (562) 822-6761.
What is George Nasr MD Professional Corporation's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is George Nasr MD Professional Corporation enrolled in Medicare?
Yes. George Nasr MD Professional Corporation is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through George Nasr MD Professional Corporation?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to George Nasr MD 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 George Nasr MD Professional Corporation was last updated on March 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# George Nasr Md Professional Corporation · NPI 1508664798
Cardiovascular Disease organization in Fullerton, California. Organization record, active in the CMS NPPES registry since March 4, 2025.
## Identity
- **NPI:** 1508664798 (Entity type: Organization)
- **Enumerated:** March 4, 2025
- **Primary specialty:** Internal Medicine - Cardiovascular Disease · taxonomy 207RC0000X
- **Organization subpart:** No
- **Authorized official:** George Nasr, PRESIDENT
## Practice location
- **Address:** 234 E COMMONWEALTH AVE STE 200, Fullerton, CA 92832-1911
- **Phone:** (562) 822-6761
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Internal Medicine) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 4, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1508664798) · Data from the CMS NPPES public registry.