Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Charles Richard Lassman, MD

Anatomic Pathology Physician in Los Angeles, CA · enumerated 2006.

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

National Provider Identifier

1912932708

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Registry record

Entity type Individual (Type 1)

Name Charles Richard Lassman

Credential MD

Sex Male

Practice address 10833 Le Conte Ave, Ste B-186 Chs, Los Angeles, CA, 90095

Phone (310) 794-8285

Enumeration date Jul 11, 2006

Last updated in NPPES Jun 18, 2012

Taxonomy & licenses

207ZP0101X Anatomic Pathology Physician Allopathic & Osteopathic Physicians · License G78156 (CA) Primary

207ZP0102X Anatomic Pathology & Clinical Pathology Physician Allopathic & Osteopathic Physicians · License G78156 (CA) Secondary

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
00G781560	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.

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Frequently asked questions

What is the NPI number for Charles Lassman?

The National Provider Identifier (NPI) for Charles Lassman is 1912932708, a Type 1 (individual) record in the CMS NPPES registry.

Where does Charles Lassman 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 2012-06-18.