SALLY LAM
NPI 1043975709
Nurse Anesthetist, Certified Registered in Chicago, IL
About Sally Lam NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SALLY LAM (NPI 1043975709) is an individual nurse anesthetist, certified registered in Chicago, Illinois, licensed in Illinois (209024284) and active in the NPI registry since November 2021. She is enrolled in Medicare PECOS, is affiliated with Rush Oak Park Hospital, and is a graduate of Other (2021).
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 and accepts Medicare assignment
Sally Lam 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
6Medicare enrollment records show Sally Lam reassigns Medicare billing to 6 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
- 635 clinicians in this Medicare group
Chicago, IL 60637
- Reassigned Medicare billing, Illinois enrollment
- 2,237 clinicians in this Medicare group
Chicago, IL 60612
- Reassigned Medicare billing, Illinois enrollment
- 188 clinicians in this Medicare group
Wilkes Barre, PA 18764
- Reassigned Medicare billing, Illinois enrollment
- 95 clinicians in this Medicare group
Arlington, TX 76006
- Reassigned Medicare billing, Illinois enrollment
- 735 clinicians in this Medicare group
Joliet, IL 60432
- Reassigned Medicare billing, Illinois enrollment
- 131 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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Rush Oak Park Hospital
Acute Care Hospitals · Oak Park, ILAdventist La Grange Memorial Hospital
Acute Care Hospitals · La Grange, ILThe University Of Chicago Medical Center
Acute Care Hospitals · Chicago, ILAmita Health Resurrection Medical Center
Acute Care Hospitals · Chicago, ILAdventist Hinsdale Hospital
Acute Care Hospitals · Hinsdale, 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.
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 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CHICAGO, IL 60637
CHICAGO, IL 60637
CHICAGO, IL 60637
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 Sally Lam's NPI number?
The NPI number for Sally Lam is 1043975709. It was assigned to this individual provider in the NPPES registry on November 7, 2021.
Where is Sally Lam located?
Sally Lam practices at 5841 S Maryland Ave Ste 1, Chicago, IL 60637. The listed phone number is (888) 824-0200.
What is Sally Lam's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Sally Lam enrolled in Medicare?
Yes. Sally Lam 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 Sally Lam's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sally Lam reassigns Medicare benefits to 6 organizations: The University Of Chicago Medical Center (Chicago, IL), University Of Chicago (Chicago, IL), University Anesthesiologists Sc (Chicago, IL), 360 Anesthesia PLLC (Wilkes Barre, PA), Northstar Anesthesia Of Illinois, LLC (Arlington, TX) and 1 more organization, listed in the Medicare section above. 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 Sally Lam's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Sally Lam affiliated with any hospitals?
According to CMS data, Sally Lam is affiliated with Rush Oak Park Hospital, Adventist La Grange Memorial Hospital, The University Of Chicago Medical Center, Amita Health Resurrection Medical Center and Adventist Hinsdale Hospital.
When was this NPI record last updated?
The NPPES record for Sally Lam was last updated on November 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Sally Lam · NPI 1043975709
Nurse Anesthetist, Certified Registered physician in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since November 7, 2021.
## Identity
- **NPI:** 1043975709 (Entity type: Individual)
- **Enumerated:** November 7, 2021
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 209024284 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 5841 S MARYLAND AVE STE 1, Chicago, IL 60637-1473
- **Phone:** (888) 824-0200
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): The University Of Chicago Medical Center (NPI 1033218128, Chicago, IL); University Of Chicago (NPI 1821048786, Chicago, IL); University Anesthesiologists Sc (NPI 1073558136, Chicago, IL); 360 Anesthesia PLLC (NPI 1811637366, Wilkes Barre, PA); Northstar Anesthesia Of Illinois, LLC (NPI 1962822395, Arlington, TX); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** November 26, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1043975709) · Data from the CMS NPPES public registry.