BRIANNA LAMBERT MD
NPI 1083359269
Internal Medicine in Chicago, IL
About Brianna Lambert Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BRIANNA LAMBERT MD (NPI 1083359269) is an individual internal medicine provider in Chicago, Illinois, licensed in Illinois (036176241) and active in the NPI registry since May 2022. She is enrolled in Medicare PECOS, is affiliated with The University Of Chicago Medical Center, and is a graduate of University Of Chicago, Pritzker School Of Medicine (2022).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
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
Brianna Lambert Md 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
2Medicare enrollment records show Brianna Lambert reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60637
- Reassigned Medicare billing, Illinois enrollment
- 1,905 clinicians in this Medicare group
Chicago, IL 60637
- Reassigned Medicare billing, Illinois enrollment
- 2,237 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
The University Of Chicago Medical Center
Acute Care Hospitals · Chicago, ILIngalls Memorial Hospital
Acute Care Hospitals · Harvey, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60637 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other 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 60637
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 Brianna Lambert's NPI number?
The NPI number for Brianna Lambert is 1083359269. It was assigned to this individual provider in the NPPES registry on May 2, 2022.
Where is Brianna Lambert located?
Brianna Lambert practices at 5841 S Maryland Ave Ste Mc7082, Chicago, IL 60637. The listed phone number is (773) 702-6840.
What is Brianna Lambert's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Brianna Lambert enrolled in Medicare?
Yes. Brianna Lambert 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 Brianna Lambert's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Brianna Lambert reassigns Medicare benefits to 2 organizations: The University Of Chicago Medical Center (Chicago, IL) and University Of Chicago (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 Brianna Lambert's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Brianna Lambert accept?
Health plans from Oscar Health list Brianna Lambert as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Brianna Lambert affiliated with any hospitals?
According to CMS data, Brianna Lambert is affiliated with The University Of Chicago Medical Center and Ingalls Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Brianna Lambert was last updated on October 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Brianna Lambert, MD · NPI 1083359269
Internal Medicine physician in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since May 2, 2022.
## Identity
- **NPI:** 1083359269 (Entity type: Individual)
- **Enumerated:** May 2, 2022
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 036176241 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 5841 S MARYLAND AVE STE MC7082, Chicago, IL 60637-1465
- **Phone:** (773) 702-6840
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): The University Of Chicago Medical Center (NPI 1033218128, Chicago, IL); University Of Chicago (NPI 1821048786, Chicago, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Chicago, Pritzker School Of Medicine, class of 2022
## Record status
- **NPPES last updated:** October 22, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1083359269) · Data from the CMS NPPES public registry.