Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Stephen Earl Lazarus, M.D., Inc.

Undersea and Hyperbaric Medicine (Emergency Medicine) Physician in Placentia, CA · enumerated 2012 · authorized official Stephen Lazarus, President.

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

National Provider Identifier

1851662464

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Registry record

Entity type Organization (Type 2)

Legal business name Stephen Earl Lazarus, M.D., Inc.

Practice address 1041 E. Yorba Linda Bl. #203, C/O Placentia-Linda Wound Care, Placentia, CA, 92870

Phone (714) 524-4833

Enumeration date Jan 13, 2012

Last updated in NPPES Jan 13, 2012

Taxonomy & classification

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License G23575 (CA) Secondary

207PE0005X Undersea and Hyperbaric Medicine (Emergency Medicine) Physician Allopathic & Osteopathic Physicians · License G23575 (CA) Primary

Authorized official

Name Stephen Lazarus

Title President

Phone (949) 361-4726

Other identifiers

Identifier	Type	State	Issuer
00G235750	Medicaid	CA	-

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

Where is Stephen Earl Lazarus, M.D., Inc. located?

The practice location on file with NPPES is in Placentia, CA.

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2012-01-13. Verify at npiregistry.cms.hhs.gov.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-01-13.