Chao-Hsiung Yang, MD
NPI 1922380567 · Internal Medicine Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chao-Hsiung Yang, MD is a Internal Medicine Physician provider in Los Angeles, CA (NPI 1922380567).
Provider details
- NPI number
- 1922380567
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A117988 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
14 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Furosemide | 33 | 25 |
| Omeprazole | 25 | 15 |
| Cefpodoxime Proxetil | 25 | 25 |
| Potassium Chloride | 18 | 14 |
| Apixabanbrand: Eliquis | 18 | — |
| Atorvastatin Calcium | 17 | 11 |
| Losartan Potassium | 17 | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$19 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-09-09
- Last updated
- 2021-12-03
- Certified
- 2021-12-03
Frequently asked questions
- What is Chao-Hsiung Yang's NPI number?
- Chao-Hsiung Yang's National Provider Identifier (NPI) is 1922380567, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chao-Hsiung Yang's specialty?
- Chao-Hsiung Yang is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Chao-Hsiung Yang located?
- Chao-Hsiung Yang's practice location on file with NPPES is 1200 N State St, Los Angeles, CA 90033-1029.
- What is Chao-Hsiung Yang's phone number?
- The practice phone number listed in the NPPES registry for Chao-Hsiung Yang is (323) 226-2345.
- Does Chao-Hsiung Yang accept Medicare?
- Chao-Hsiung Yang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chao-Hsiung Yang's NPI active?
- Yes — Chao-Hsiung Yang's NPI (1922380567) is active in the NPPES registry as of the last update on 2021-12-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.