Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Christopher L Leach, MD

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Torrance, CA · enumerated 2005.

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

National Provider Identifier

1407852486

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Registry record

Entity type Individual (Type 1)

Name Dr. Christopher L Leach

Credential MD

Sex Male

Practice address 24050 Madison St Ste 100q, Torrance, CA, 90505

Phone (608) 397-4488

Fax (608) 775-4467

Enumeration date Jun 23, 2005

Last updated in NPPES Mar 19, 2019

Taxonomy & licenses

208G00000X Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician Allopathic & Osteopathic Physicians · License G158842 (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
31533200	Medicaid	WI	-

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 Christopher Leach?

The National Provider Identifier (NPI) for Christopher Leach is 1407852486, a Type 1 (individual) record in the CMS NPPES registry.

Where does Christopher Leach practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-03-19.