Chang Yoon Kim, M.D.
NPI 1841858040 · Internal Medicine Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chang Yoon Kim, M.D. is a Internal Medicine Physician provider in Los Angeles, CA (NPI 1841858040).
Provider details
- NPI number
- 1841858040
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 90 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 567 | 198 |
| Losartan Potassium | 371 | 117 |
| Amlodipine Besylate | 313 | 107 |
| Rosuvastatin Calcium | 168 | 57 |
| Metformin Hcl | 168 | 58 |
| Levothyroxine Sodium | 150 | 50 |
| Tamsulosin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-06-03
- Last updated
- 2023-01-13
- Certified
- 2022-05-27
Frequently asked questions
- What is Chang Yoon Kim's NPI number?
- Chang Yoon Kim's National Provider Identifier (NPI) is 1841858040, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chang Yoon Kim's specialty?
- Chang Yoon Kim is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Chang Yoon Kim located?
- Chang Yoon Kim's practice location on file with NPPES is 333 S Hope St Ste C145, Los Angeles, CA 90071-3019.
- What is Chang Yoon Kim's phone number?
- The practice phone number listed in the NPPES registry for Chang Yoon Kim is (800) 954-8000.
- Does Chang Yoon Kim accept Medicare?
- Chang Yoon Kim is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chang Yoon Kim's NPI active?
- Yes — Chang Yoon Kim's NPI (1841858040) is active in the NPPES registry as of the last update on 2023-01-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.