Chiayu Chen, MD
NPI 1972583821 · Cardiovascular Disease Physician · Riverside, CA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chiayu Chen, MD is a Cardiovascular Disease Physician provider in Riverside, CA (NPI 1972583821).
Provider details
- NPI number
- 1972583821
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- G53007 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 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 |
|---|---|---|
| Ezetimibe | 91 | 62 |
| Rosuvastatin Calcium | 55 | 38 |
| Atorvastatin Calcium | 55 | 36 |
| Metoprolol Succinate | 40 | 29 |
| Amlodipine Besylate | 36 | 25 |
| Valsartan | 29 | 17 |
| Sacubitril/Valsartanbrand: Entresto | 21 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$201 across 5 records (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
- 2006-01-18
- Last updated
- 2023-08-17
- Certified
- 2023-08-07
Frequently asked questions
- What is Chiayu Chen's NPI number?
- Chiayu Chen's National Provider Identifier (NPI) is 1972583821, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chiayu Chen's specialty?
- Chiayu Chen is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Chiayu Chen located?
- Chiayu Chen's practice location on file with NPPES is 3380 La Sierra Ave Ste 104-170, Riverside, CA 92503-5271.
- What is Chiayu Chen's phone number?
- The practice phone number listed in the NPPES registry for Chiayu Chen is (213) 537-6481.
- Does Chiayu Chen accept Medicare?
- Chiayu Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chiayu Chen's NPI active?
- Yes — Chiayu Chen's NPI (1972583821) is active in the NPPES registry as of the last update on 2023-08-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.