LOS ANGELES GASTROENTEROLOGY GROUP
NPI 1538430509
Specialist in Los Angeles, CA
About Los Angeles Gastroenterology Group NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LOS ANGELES GASTROENTEROLOGY GROUP (NPI 1538430509) is a healthcare organization registered as a specialist in Los Angeles, California and active in the NPI registry since January 2012. The organization lists Paul M Choi, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 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)
Los Angeles Gastroenterology Group is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
2Medicare enrollment records show 2 clinicians reassign Medicare billing to Los Angeles Gastroenterology Group, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.
Clinicians, nearest first (2)
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 Paul M Choi MD A California Medical Corp's NPI number?
The NPI number for Paul M Choi MD A California Medical Corp is 1538430509. It was assigned to this organization in the NPPES registry on January 23, 2012. The provider is doing business as Los Angeles Gastroenterology Group.
Where is Paul M Choi MD A California Medical Corp located?
Paul M Choi MD A California Medical Corp is located at 266 S Harvard Blvd Ste 250, Los Angeles, CA 90004. The listed phone number is (213) 387-9000.
What is Paul M Choi MD A California Medical Corp's specialty?
The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.
Is Paul M Choi MD A California Medical Corp enrolled in Medicare?
Yes. Paul M Choi MD A California Medical Corp is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Paul M Choi MD A California Medical Corp?
According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Gastroenterology, reassign their Medicare billing to Paul M Choi MD A California Medical Corp. 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. Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Paul M Choi MD A California Medical Corp was last updated on August 11, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Los Angeles Gastroenterology Group · NPI 1538430509
Specialist organization in Los Angeles, California. Organization record, active in the CMS NPPES registry since January 23, 2012.
## Identity
- **NPI:** 1538430509 (Entity type: Organization)
- **Enumerated:** January 23, 2012
- **Primary specialty:** Specialist · taxonomy 174400000X
- **Legal business name:** Paul M Choi Md A California Medical Corp
- **Organization subpart:** No
- **Authorized official:** Paul Choi, PRESIDENT
## Practice location
- **Address:** 266 S HARVARD BLVD STE 250, Los Angeles, CA 90004
- **Phone:** (213) 387-9000 · **Fax:** (213) 387-5804
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 2 clinicians (Gastroenterology) reassign Medicare billing to this organization (form CMS-855R); 2 practice at this address · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 11, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1538430509) · Data from the CMS NPPES public registry.