OSCAR A LOPEZ MD
NPI 1689070088
Internal Medicine - Gastroenterology in Brawley, CA
About Oscar A Lopez Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
OSCAR A LOPEZ MD (NPI 1689070088) is a healthcare organization registered as a gastroenterology in Brawley, California and active in the NPI registry since November 2014. The organization lists Oscar A Lopez, Ceo, 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)
Oscar A Lopez Md 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 Oscar A Lopez MD, 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 Oscar A Lopez MD's NPI number?
The NPI number for Oscar A Lopez MD is 1689070088. It was assigned to this organization in the NPPES registry on November 12, 2014.
Where is Oscar A Lopez MD located?
Oscar A Lopez MD is located at 751 W Legion Rd Ste 103, Brawley, CA 92227. The listed phone number is (619) 717-1111.
What is Oscar A Lopez MD's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Oscar A Lopez MD enrolled in Medicare?
Yes. Oscar A Lopez MD is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Oscar A Lopez MD?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Gastroenterology) reassigns their Medicare billing to Oscar A Lopez MD. 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 Oscar A Lopez MD was last updated on November 12, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Oscar A Lopez Md · NPI 1689070088
Gastroenterology organization in Brawley, California. Organization record, active in the CMS NPPES registry since November 12, 2014.
## Identity
- **NPI:** 1689070088 (Entity type: Organization)
- **Enumerated:** November 12, 2014
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **Organization subpart:** No
- **Authorized official:** Oscar Lopez, CEO
## Practice location
- **Address:** 751 W LEGION RD STE 103, Brawley, CA 92227-7754
- **Phone:** (619) 717-1111
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Gastroenterology) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 12, 2014
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Source: [NPI Profile](https://npiprofile.com/npi/1689070088) · Data from the CMS NPPES public registry.