Quick answers
- Does Bung Joo Choi accept Medicare assignment?
- Yes. Medicare's clinician data says Bung Joo Choi accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Bung Joo Choi see?
- In 2024, CMS data shows 935 Original Medicare patients and 14,135 services for Bung Joo Choi. This counts Original Medicare only and measures volume, not quality.
- What is Bung Joo Choi's NPI number?
- 1851615371. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Bung Joo Choi, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 935 |
|---|---|
| Services billed to Medicare | 14,135 |
| Different services or procedures | 26 |
| Participating Medicare provider | Yes |
| Average age of these patients | 79 |
Most frequent services
- Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)2,449 services
- Membrane graft or membrane wrap, per square centimeter (Q4205)1,522 services
- Removal of muscle and/or tissue, each additional 20.0 sq cm or less (11046)1,386 services
- Removal of skin and tissue, 20.0 sq cm or less (11042)1,205 services
- Removal of muscle and/or tissue, 20.0 sq cm or less (11043)1,151 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis66%
- Diabetes60%
- Depression60%
- Chronic kidney disease58%
Practice locations
Addresses where Bung Joo Choi is enrolled with Medicare (CMS data updated October 2, 2026).
- 20556 W Deer Grass CtPorter Ranch, CA 91326 (818) 207‑0600
Group practices
Medicare enrollment lists Bung Joo Choi as a member of this group (CMS data updated October 2, 2026).
- Bung Joo Choi Physician Assistant PC3 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Porter Ranch
Clinicians with the same Medicare primary specialty in Porter Ranch, CA — not a recommendation.
Other clinicians in Bung Joo Choi Physician Assistant PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| School | University Of Southern California Keck School Of Medicine |
| Graduation year | 2009 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1851615371 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians