Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Brian K Greenberg, M.D. Inc

Q: What type of organization is Brian K Greenberg, M.D. Inc?

Brian K Greenberg, M.D. Inc is registered in NPPES as a Pediatrics Physician (its primary provider taxonomy).

Pediatrics Physician in Tarzana, CA · enumerated 2007 · authorized official Brian Greenberg, Physician.

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

National Provider Identifier

1417094418

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Registry record

Entity type Organization (Type 2)

Legal business name Brian K Greenberg, M.D. Inc

Practice address 18370 Burbank Blvd, Suite 307, Tarzana, CA, 91356

Phone (818) 996-6000

Fax (818) 996-4712

Enumeration date Jan 31, 2007

Last updated in NPPES Jan 4, 2010

Taxonomy & classification

207K00000X Allergy & Immunology Physician Allopathic & Osteopathic Physicians Secondary

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License G61421 (CA) Primary

Authorized official

Name Brian Greenberg

Title Physician

Phone (818) 996-6000

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 a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

What type of organization is Brian K Greenberg, M.D. Inc?

Brian K Greenberg, M.D. Inc is registered in NPPES as a Pediatrics Physician (its primary provider taxonomy).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-01-04.