NPI Portal NPI Lookup & Verification

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

Mr. Steven Lefkowitz, M.D.

Cardiovascular Disease Physician in Lynn, MA · enumerated 2006.

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

National Provider Identifier

1184676678

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Registry record

Entity type Individual (Type 1)
Name Mr. Steven Lefkowitz
Credential M.D.
Sex Male
Practice address Lynn, MA, 01904
Fax (781) 596-8430
Enumeration date May 16, 2006
Last updated in NPPES Sep 28, 2012

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

Taxonomy & licenses

207RC0000X Cardiovascular Disease Physician Allopathic & Osteopathic Physicians · License 80275 (MA) 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
0189316 Medicaid MA -
036361 Other MA TUFTS
D14255 Other MA BC/BS OF MA
0016741 Other MA NEIGHBORHOOD HLTH PLAN
300303 Other MA HARVARD PILGRIM
989687 Other MA NETWORK HEALTH

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

What is the NPI number for Steven Lefkowitz?
The National Provider Identifier (NPI) for Steven Lefkowitz is 1184676678, a Type 1 (individual) record in the CMS NPPES registry.
Where does Steven Lefkowitz practice?
The practice location on file with NPPES is in Lynn, MA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-09-28.