Dr. Chiayu Chen, MD

Dr. Chiayu Chen is a Cardiovascular Disease Physician provider (Internal Medicine) practicing in Riverside, CA, registered in the NPPES registry with NPI 1972583821 since 2006. The credential MD stands for Doctor of Medicine.

✓ Active NPI ✓ Valid NPI checksum Sole proprietor

NPI	1972583821
Entity type	Individual (Type 1)
Name	Dr. Chiayu Chen
Credential	MD
Sex	Male
Practice address	Riverside, CA, 92503
Phone	2135376481
Fax	8888787782
Enumeration date	2006-01-18
Last updated in NPPES	2023-08-17

Street address withheld — NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

Taxonomy code	Specialty	Primary	License	State
207UN0901X	Nuclear Cardiology Physician	Secondary	G53007	CA
207RC0000X	Cardiovascular Disease Physician	Primary	G53007	CA

MD — Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
00G530070	Medicaid	CA	—
060011922	Other	CA	RAILROAD MEDICARE

Copy-ready billing details

Provider: Chiayu Chen, MD
NPI: 1972583821
Taxonomy: 207RC0000X (Cardiovascular Disease Physician)
Address: Riverside, CA, 92503

Verify this record

Cross-check NPI 1972583821 against the authoritative CMS record: view Dr. Chiayu Chen on the official NPPES registry .

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.

Frequently asked questions

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

What specialty is Chiayu Chen?

Chiayu Chen is registered in NPPES with the primary taxonomy of Cardiovascular Disease Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2023-08-17.