ALLISON LAZAR MD
NPI 1518264688
Emergency Medicine in Northfield, IL
About Allison Lazar Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALLISON LAZAR MD (NPI 1518264688) is an individual emergency medicine provider in Northfield, Illinois, licensed in Illinois (036105576) and active in the NPI registry since February 2011. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Allison Lazar Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Allison Lazar reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Evanston, IL 60201
- Reassigned Medicare billing, Illinois enrollment
- 4,841 clinicians in this Medicare group
Chicago, IL 60625
- Reassigned Medicare billing, Illinois enrollment
- 350 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 2
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60093 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NORTHFIELD, IL 60093
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 Allison Lazar's NPI number?
The NPI number for Allison Lazar is 1518264688. It was assigned to this individual provider in the NPPES registry on February 24, 2011.
Where is Allison Lazar located?
Allison Lazar practices at 1779 Maple St, Northfield, IL 60093. The listed phone number is (847) 441-6191.
What is Allison Lazar's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Allison Lazar enrolled in Medicare?
Yes. Allison Lazar is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Allison Lazar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Allison Lazar reassigns Medicare benefits to 2 organizations: Endeavor Health Medical Group (Evanston, IL) and Swedish Covenant Management Services, Inc (Chicago, IL). Each 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 Allison Lazar'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 Allison Lazar was last updated on February 24, 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.
# Allison Lazar, MD · NPI 1518264688
Emergency Medicine physician in Northfield, Illinois. Individual provider, active in the CMS NPPES registry since February 24, 2011.
## Identity
- **NPI:** 1518264688 (Entity type: Individual)
- **Enumerated:** February 24, 2011
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 036105576 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 1779 MAPLE ST, Northfield, IL 60093-3011
- **Phone:** (847) 441-6191
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Endeavor Health Medical Group (NPI 1265695944, Evanston, IL); Swedish Covenant Management Services, Inc (NPI 1962049551, Chicago, IL) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 24, 2011
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Source: [NPI Profile](https://npiprofile.com/npi/1518264688) · Data from the CMS NPPES public registry.