DR. KAREN LAZZARO MD
NPI 1427026954
Specialist in Greensburg, PA
About Dr. Karen Lazzaro Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KAREN LAZZARO MD (NPI 1427026954) is an individual specialist in Greensburg, Pennsylvania, licensed in Pennsylvania (MD056164L) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Karen Lazzaro Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Karen Lazzaro reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Greensburg, PA 15601
- Reassigned Medicare billing, Pennsylvania enrollment
- 6 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 18
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GREENSBURG, PA 15601
GREENSBURG, PA 15601
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Karen Lazzaro's NPI number?
The NPI number for Karen Lazzaro is 1427026954. It was assigned to this individual provider in the NPPES registry on March 10, 2006.
Where is Karen Lazzaro located?
Karen Lazzaro practices at 1275 S Main St Suite 102, Greensburg, PA 15601. The listed phone number is (724) 837-4000.
What is Karen Lazzaro's specialty?
The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.
Is Karen Lazzaro enrolled in Medicare?
Yes. Karen Lazzaro is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Karen Lazzaro's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Lazzaro reassigns Medicare benefits to Walworth Medical Associates (Greensburg, PA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Karen Lazzaro's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Karen Lazzaro was last updated on August 4, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.