Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Ronald W Busuttil, MD

Transplant Surgery Physician in Los Angeles, CA · enumerated 2006.

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

National Provider Identifier

1639103906

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Registry record

Entity type Individual (Type 1)

Name Dr. Ronald W Busuttil

Credential MD

Sex Male

Practice address 200 Ucla Medical Plz Ste 214, Los Angeles, CA, 90095

Phone (310) 794-7788

Fax (310) 794-3344

Enumeration date Jul 10, 2006

Last updated in NPPES Dec 30, 2019

Taxonomy & licenses

204F00000X Transplant Surgery Physician Allopathic & Osteopathic Physicians · License G22460 (CA) Primary

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
00G224600	Medicaid	CA	-

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 Ronald Busuttil?

The National Provider Identifier (NPI) for Ronald Busuttil is 1639103906, a Type 1 (individual) record in the CMS NPPES registry.

Where does Ronald Busuttil practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-12-30.