Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Avraham Giannini MD

Q: What is the NPI number for Avraham Giannini MD?

The NPI for Avraham Giannini MD is 1144241399, a Type 2 (organization) record in the CMS NPPES registry.

Allergy & Immunology Physician in San Francisco, CA · enumerated 2006 · authorized official Avraham Giannini, Owner.

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

National Provider Identifier

1144241399

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Registry record

Entity type Organization (Type 2)

Legal business name Avraham Giannini MD

Practice address 909 Hyde St, Ste 633, San Francisco, CA, 94109

Phone (415) 346-8022

Enumeration date Jul 22, 2006

Last updated in NPPES May 27, 2008

Taxonomy & classification

207K00000X Allergy & Immunology Physician Allopathic & Osteopathic Physicians · License A23685 (CA) Primary

Authorized official

Name Avraham Giannini

Title Owner

Phone (415) 346-8022

Other identifiers

Identifier	Type	State	Issuer
00A236850	Medicaid	CA	-
A23685	Other	CA	WORKERS COMP
031912031	Other	-	RAILROAD MEDICARE
00A236850	Other	CA	BLUE SHIELD

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

Who is the authorized official for Avraham Giannini MD?

NPPES lists Avraham Giannini (Owner) as the authorized official for this organization.

What is the NPI number for Avraham Giannini MD?

The NPI for Avraham Giannini MD is 1144241399, a Type 2 (organization) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-05-27.