Quick answers
- Does Sung Hyun Kim accept Medicare assignment?
- Yes. Medicare's clinician data says Sung Hyun Kim 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 Sung Hyun Kim see?
- In 2024, CMS data shows 132 Original Medicare patients and 1,648 services for Sung Hyun Kim. This counts Original Medicare only and measures volume, not quality.
- What is Sung Hyun Kim's NPI number?
- 1447665369. 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 Sung Hyun Kim, 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 | 132 |
|---|---|
| Services billed to Medicare | 1,648 |
| Different services or procedures | 46 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)256 services
- Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes (99458)252 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)226 services
- Insertion of needle into vein for collection of blood sample (36415)215 services
- Management using the results of remote vital sign monitoring per calendar month, first 20 minutes (99457)156 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%
- Diabetes48%
- Arthritis45%
- Osteoporosis26%
- Depression23%
Practice locations
Addresses where Sung Hyun Kim is enrolled with Medicare (CMS data updated October 2, 2026).
- 7011 Orangethorpe Ave, Suite 100Buena Park, CA 90621 (714) 562‑9139
- 903 Crenshaw Blvd, Suite 104Los Angeles, CA 90019 (323) 250‑2008
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Buena Park
Clinicians with the same Medicare primary specialty in Buena Park, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2009 (17 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1447665369 |
| 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