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

Dr. Efraim Duzman, M.D.

Ophthalmology Physician in Irvine, CA · enumerated 2006.

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

National Provider Identifier

1598780322

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Registry record

Entity type Individual (Type 1)

Name Dr. Efraim Duzman

Credential M.D.

Sex Male

Practice address Irvine, CA, 92604

Phone (949) 733-2002

Fax (949) 733-1854

Enumeration date Jul 13, 2006

Last updated in NPPES Jul 9, 2007

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

Taxonomy & licenses

207W00000X Ophthalmology Physician Allopathic & Osteopathic Physicians · License A38972 (CA) Primary

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
00A389720	Medicaid	CA	-
00A389720	Other	CA	BLUE SHEILD ID
A38972	Other	CA	STATE LIC
A38972	Other	CA	BLUE CROSS ID

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

How do I verify Efraim Duzman's NPI record?

Cross-check NPI 1598780322 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1598780322 active?

Yes, as of the latest NPPES snapshot, NPI 1598780322 is active (record last updated 2007-07-09).

Other providers at this practice address

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Eran Duzman Ophthalmology Physician · Irvine, CA NPI 1174548903

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-09.