Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Karen Lazzaro, MD

Specialist in Greensburg, PA · enumerated 2006.

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

National Provider Identifier

1427026954

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Dr. Karen Lazzaro

Credential MD

Sex Female

Practice address 1275 S Main St, Suite 102, Greensburg, PA, 15601

Phone (724) 837-4000

Fax (724) 837-4119

Enumeration date Mar 10, 2006

Last updated in NPPES Aug 4, 2011

Taxonomy & licenses

174400000X Specialist Other Service Providers · License MD056164L (PA) 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
783350	Other	PA	HIGHMARK

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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Karen Lazzaro?

The National Provider Identifier (NPI) for Karen Lazzaro is 1427026954, a Type 1 (individual) record in the CMS NPPES registry.

Where does Karen Lazzaro practice?

The practice location on file with NPPES is in Greensburg, PA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-08-04.