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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

BUNG JOO CHOI PHYSICIAN ASSISTANT PC
NPI 1043023351
Physician Assistant - Medical in Northridge, CA

Active since January 30, 2025
8619 RESEDA BLVD STE 104, NORTHRIDGE, CA 91324(818) 207-0600(888) 830-8393 Get Directions Write a Review

NPPES record last updated: October 5, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 5, 2026, Feb 6, 2025 (2 updates tracked since 2025).

About Bung Joo Choi Physician Assistant Pc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

BUNG JOO CHOI PHYSICIAN ASSISTANT PC (NPI 1043023351) is a healthcare organization registered as a medical in Northridge, California and active in the NPI registry since January 2025. The organization lists Bung Joo Choi, Ceo, as its authorized official.

NPPES Registry Identity

NPI1043023351
Entity TypeOrganization
Primary Taxonomy363AM0700X
Legal Business NameBUNG JOO CHOI PHYSICIAN ASSISTANT PC
Location Address8619 RESEDA BLVD STE 104Northridge, CA 91324-4048
Mailing Address20556 W Deer Grass CtPorter Ranch, CA 91326-4990 · (404) 433-3737
Phone(818) 207-0600
Fax(888) 830-8393
Organization SubpartNo
Authorized OfficialBung Joo ChoiCeo · (404) 433-3737
Enumeration DateJanuary 30, 2025
Last NPPES UpdateOctober 5, 20262 updates tracked since enumeration
NPPES CertifiedOctober 5, 2026
✔ NPI 1043023351 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician Assistant · MedicalPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363AM0700X
8619 RESEDA BLVD STE 104, Northridge, CA 91324
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Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Bung Joo Choi Physician Assistant Pc 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 Bung Joo Choi Physician Assistant PC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Michael Napolitano, DO
General Practice
NPI 1871238907
5743 CORSA AVE STE 120
Westlake Village, CA 91362
(805) 244-4988
✔ PECOS✔ Accepts Medicare16 mi

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 Bung Joo Choi Physician Assistant PC's NPI number?

The NPI number for Bung Joo Choi Physician Assistant PC is 1043023351. It was assigned to this organization in the NPPES registry on January 30, 2025.

Where is Bung Joo Choi Physician Assistant PC located?

Bung Joo Choi Physician Assistant PC is located at 8619 Reseda Blvd Ste 104, Northridge, CA 91324. The listed phone number is (818) 207-0600.

What is Bung Joo Choi Physician Assistant PC's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Medical, with taxonomy code 363AM0700X.

Is Bung Joo Choi Physician Assistant PC enrolled in Medicare?

Yes. Bung Joo Choi Physician Assistant PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Bung Joo Choi Physician Assistant PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (General Practice) reassigns their Medicare billing to Bung Joo Choi Physician Assistant PC. 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 Bung Joo Choi Physician Assistant PC was last updated on October 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 days 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.