NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mazen Elyan, MD

Rheumatology Physician in Crestview Hills, KY · enumerated 2007.

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

National Provider Identifier

1104978048

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Mazen Elyan
Credential MD
Sex Male
Practice address 651 Centre View Boulevard, Crestview Hills, KY, 41017
Fax (859) 344-4632
Enumeration date Jan 18, 2007
Last updated in NPPES Apr 26, 2019

Taxonomy & licenses

207RR0500X Rheumatology Physician Allopathic & Osteopathic Physicians · License 35085724 (OH) Secondary
207RR0500X Rheumatology Physician Allopathic & Osteopathic Physicians · License 01072711A (IN) Secondary
207RR0500X Rheumatology Physician Allopathic & Osteopathic Physicians · License 52243 (KY) 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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Mazen Elyan?
The National Provider Identifier (NPI) for Mazen Elyan is 1104978048, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mazen Elyan practice?
The practice location on file with NPPES is in Crestview Hills, KY. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-04-26.