Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Basil Ferenczi, M.D.

Urology Physician in Duarte, CA · enumerated 2017.

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

National Provider Identifier

1417488933

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Registry record

Entity type Individual (Type 1)

Name Basil Ferenczi

Credential M.D.

Sex Male

Practice address 1500 Duarte Rd, Duarte, CA, 91010

Phone (626) 256-4673

Enumeration date Mar 26, 2017

Last updated in NPPES May 5, 2022

Taxonomy & licenses

208800000X Urology Physician Allopathic & Osteopathic Physicians · License A176313 (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.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Basil Ferenczi practice?

The practice location on file with NPPES is in Duarte, CA. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Basil Ferenczi?

The National Provider Identifier (NPI) for Basil Ferenczi is 1417488933, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-05-05.