Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Alan E. Gorenberg, MD

Allergy & Immunology Physician in Orange, CA · enumerated 2006 · practices at Alan E. Gorenberg MD, Inc..

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

National Provider Identifier

1730115221

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Registry record

Entity type Individual (Type 1)

Name Dr. Alan E. Gorenberg

Credential MD

Sex Male

Practice address Orange, CA, 92869

Phone (714) 633-4666

Fax (714) 633-4640

Enumeration date Jun 25, 2006

Last updated in NPPES Oct 14, 2010

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207K00000X Allergy & Immunology Physician Allopathic & Osteopathic Physicians · License G60876 (CA) Primary

207RA0201X Allergy & Immunology (Internal Medicine) Physician Allopathic & Osteopathic Physicians · License G60876 (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
00G608761	Other	-	BLUE CROSS AND BLUE SHIELD
1770514945	Other	CA	NPI (INCORPERATED)
1730115221	Other	CA	NPI (INDIVIDUAL)
260035678	Other	-	COMMERCIAL
G60876	Other	CA	MEDICAL LICENSE

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

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

What specialty is Alan Gorenberg?

Alan Gorenberg is registered in NPPES with the primary taxonomy of Allergy & Immunology Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Other providers at this practice address

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Alan E. Gorenberg MD, Inc. Allergy Physician · Orange, CA NPI 1770514945

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-10-14.