Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Gerald Charles Berkman, MD

Pediatric Nephrology Physician in Westlake Village, CA · enumerated 2006.

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

National Provider Identifier

1225009822

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Registry record

Entity type Individual (Type 1)

Name Gerald Charles Berkman

Credential MD

Sex Male

Practice address 32144 Agoura Rd, Suite 211, Westlake Village, CA, 91361

Phone (818) 889-8387

Fax (818) 889-0272

Enumeration date Jan 31, 2006

Last updated in NPPES Sep 11, 2025

Taxonomy & licenses

2080A0000X Pediatric Adolescent Medicine Physician Allopathic & Osteopathic Physicians · License G21015 (CA) Secondary

2080P0210X Pediatric Nephrology Physician Allopathic & Osteopathic Physicians · License G21015 (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

What is the NPI number for Gerald Berkman?

The National Provider Identifier (NPI) for Gerald Berkman is 1225009822, a Type 1 (individual) record in the CMS NPPES registry.

Where does Gerald Berkman practice?

The practice location on file with NPPES is in Westlake Village, 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 2025-09-11.