Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Tameem Alhayya, MD

Nephrology Physician in Corona, CA · enumerated 2006.

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

National Provider Identifier

1649283557

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Registry record

Entity type Individual (Type 1)

Name Dr. Tameem Alhayya

Credential MD

Sex Male

Practice address 250 E Rincon St Ste 106, Corona, CA, 92879

Phone (951) 339-8459

Fax (951) 339-8461

Enumeration date Aug 14, 2006

Last updated in NPPES Mar 28, 2025

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License A125541 (CA) Secondary

208M00000X Hospitalist Physician Allopathic & Osteopathic Physicians · License A125541 (CA) Secondary

207RN0300X Nephrology Physician Allopathic & Osteopathic Physicians · License A125541 (CA) Primary

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

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 Tameem Alhayya?

Tameem Alhayya is registered in NPPES with the primary taxonomy of Nephrology 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 2025-03-28.