Quick answers
- Does Yun Jung Lee accept Medicare assignment?
- Yes. Medicare's clinician data says Yun Jung Lee 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 Yun Jung Lee see?
- In 2024, CMS data shows 116 Original Medicare patients and 1,230 services for Yun Jung Lee. This counts Original Medicare only and measures volume, not quality.
- What is Yun Jung Lee's NPI number?
- 1457693970. 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 Yun Jung Lee, 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 | 116 |
|---|---|
| Services billed to Medicare | 1,230 |
| Different services or procedures | 84 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Insertion of needle into vein for collection of blood sample (36415)182 services
- Blood test, comprehensive group of blood chemicals (80053)146 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)116 services
- Hemoglobin a1c level (83036)106 services
- Blood test, lipids (cholesterol and triglycerides) (80061)100 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%
- Diabetes66%
- Chronic kidney disease36%
- Arthritis22%
- Osteoporosis16%
Hospitals where Yun Jung Lee works
Medicare's Facility Affiliation Data lists Yun Jung Lee at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Los Angeles General Medical CenterLos Angeles, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050373
Practice locations
Addresses where Yun Jung Lee is enrolled with Medicare (CMS data updated October 2, 2026).
- 2829 S Grand AveLos Angeles, CA 90007 (213) 699‑7013
Group practices
Medicare enrollment lists Yun Jung Lee as a member of this group (CMS data updated October 2, 2026).
- County of Los Angeles397 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Los Angeles
Clinicians with the same Medicare primary specialty in Los Angeles, CA — not a recommendation.
Other clinicians in County of Los Angeles
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2009 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1457693970 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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