Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Melissa Beth Yu, MD

Diagnostic Radiology Physician in Newport Beach, CA · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1588619233

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Registry record

Entity type Individual (Type 1)

Name Dr. Melissa Beth Yu

Credential MD

Sex Female

Practice address 1 Hoag Drive, Newport Beach, CA, 92663

Phone (949) 764-5770

Fax (949) 263-1639

Enumeration date May 23, 2006

Last updated in NPPES Dec 12, 2007

Taxonomy & licenses

2085N0700X Neuroradiology Physician Allopathic & Osteopathic Physicians · License A71753 (CA) Secondary

2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License A71753 (CA) Primary

2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License 44803 (CO) Secondary

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
00A717530	Medicaid	CA	-
00A717530	Other	CA	BS
P00353268	Other	CO	RR RIA MEDICARE
44803	Other	CO	CO LICENSE
62654811	Medicaid	CO	-

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.

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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 Melissa Yu?

Melissa Yu is registered in NPPES with the primary taxonomy of Diagnostic Radiology Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-12-12.