BYUNGWOO CHOI MD INC
NPI 1265120166
Internal Medicine - Infectious Disease in Camarillo, CA
About Byungwoo Choi Md Inc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BYUNGWOO CHOI MD INC (NPI 1265120166) is a healthcare organization registered as an infectious disease in Camarillo, California and active in the NPI registry since April 2023. The organization lists Byungwoo Choi, 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)
Byungwoo Choi Md Inc 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 Byungwoo Choi MD Inc, 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 Byungwoo Choi MD Inc's NPI number?
The NPI number for Byungwoo Choi MD Inc is 1265120166. It was assigned to this organization in the NPPES registry on April 27, 2023.
Where is Byungwoo Choi MD Inc located?
Byungwoo Choi MD Inc is located at 4000 Calle Tecate Ste 220, Camarillo, CA 93012. The listed phone number is (805) 465-7388.
What is Byungwoo Choi MD Inc's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Byungwoo Choi MD Inc enrolled in Medicare?
Yes. Byungwoo Choi MD Inc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Byungwoo Choi MD Inc?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Infectious Disease) reassigns their Medicare billing to Byungwoo Choi MD Inc. 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 Byungwoo Choi MD Inc was last updated on April 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Byungwoo Choi Md Inc · NPI 1265120166
Infectious Disease organization in Camarillo, California. Organization record, active in the CMS NPPES registry since April 27, 2023.
## Identity
- **NPI:** 1265120166 (Entity type: Organization)
- **Enumerated:** April 27, 2023
- **Primary specialty:** Internal Medicine - Infectious Disease · taxonomy 207RI0200X
- **Organization subpart:** No
- **Authorized official:** Byungwoo Choi, PRESIDENT
## Practice location
- **Address:** 4000 CALLE TECATE STE 220, Camarillo, CA 93012-5289
- **Phone:** (805) 465-7388
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Infectious Disease) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 27, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1265120166) · Data from the CMS NPPES public registry.