LARA KATHLEEN BONASERA M.D
NPI 1902832884
Anesthesiology in Chicago, IL
About Lara Kathleen Bonasera M.d NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LARA KATHLEEN BONASERA M.D (NPI 1902832884) is an individual anesthesiology provider in Chicago, Illinois, licensed in Illinois (036106687) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS, is affiliated with Advocate Christ Hospital & Medical Center, and maintains a secondary practice location in Oak Lawn.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Lara Kathleen Bonasera M.d is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
5Medicare enrollment records show Lara Bonasera reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60657
- Reassigned Medicare billing, Illinois enrollment
- 4,870 clinicians in this Medicare group
Rosemont, IL 60018
- Reassigned Medicare billing, Illinois enrollment
- 60 clinicians in this Medicare group
Peoria, IL 61615
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Associated Anesthesiologists Sc
- 337 clinicians in this Medicare group
Springfield, IL 62769
- Reassigned Medicare billing, Illinois enrollment
- 826 clinicians in this Medicare group
Arlington, TX 76006
- Reassigned Medicare billing, Illinois enrollment
- 735 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
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Advocate Christ Hospital & Medical Center
Acute Care Hospitals · Oak Lawn, ILOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CHICAGO, IL 60657
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 Lara Bonasera's NPI number?
The NPI number for Lara Bonasera is 1902832884. It was assigned to this individual provider in the NPPES registry on June 23, 2006.
Where is Lara Bonasera located?
Lara Bonasera practices at 836 W Wellington Ave, Chicago, IL 60657. The listed phone number is (773) 975-1600.
What is Lara Bonasera's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Lara Bonasera enrolled in Medicare?
Yes. Lara Bonasera is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Lara Bonasera's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lara Bonasera reassigns Medicare benefits to 5 organizations: Advocate Health And Hospitals Corp. (Chicago, IL), West Central Anesthesiology Group Ltd (Rosemont, IL), Associated Anesthesiologists, S.C. (Peoria, IL), North American Partners In Anesthesia (illinois), LLC (Springfield, IL) and Northstar Anesthesia Of Illinois, LLC (Arlington, TX). 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 Lara Bonasera's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Lara Bonasera affiliated with any hospitals?
According to CMS data, Lara Bonasera is affiliated with Advocate Christ Hospital & Medical Center.
When was this NPI record last updated?
The NPPES record for Lara Bonasera was last updated on May 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months 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.
# Lara Kathleen Bonasera, M.D · NPI 1902832884
Anesthesiology physician in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since June 23, 2006.
## Identity
- **NPI:** 1902832884 (Entity type: Individual)
- **Enumerated:** June 23, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 036106687 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 836 W WELLINGTON AVE, Chicago, IL 60657-5147
- **Phone:** (773) 975-1600
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Advocate Health And Hospitals Corp. (NPI 1487951711, Chicago, IL); West Central Anesthesiology Group Ltd (NPI 1396785648, Rosemont, IL); Associated Anesthesiologists, S.C. (NPI 1558306480, Peoria, IL); North American Partners In Anesthesia (illinois), LLC (NPI 1699032524, Springfield, IL); Northstar Anesthesia Of Illinois, LLC (NPI 1962822395, Arlington, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Texas Medical Branch At Galveston, class of 1998
## Record status
- **NPPES last updated:** May 16, 2025
- **Other identifiers:** Medicaid 036106687 (IL)
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Source: [NPI Profile](https://npiprofile.com/npi/1902832884) · Data from the CMS NPPES public registry.