DR. MARGARET ELIZABETH SMITH MD
NPI 1659832988
Anesthesiology in Chicago, IL
About Dr. Margaret Elizabeth Smith Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARGARET ELIZABETH SMITH MD (NPI 1659832988) is an individual anesthesiology provider in Chicago, Illinois, licensed in Illinois (125.073683) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS and is a graduate of University Of Wisconsin School Of Medicine (2019).
NPPES Registry Identity
Specialties & Licenses 2
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
Dr. Margaret Elizabeth Smith 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 Margaret Smith 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
Burlingame, CA 94010
- Reassigned Medicare billing, California enrollment
- 115 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.
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 Margaret Smith's NPI number?
The NPI number for Margaret Smith is 1659832988. It was assigned to this individual provider in the NPPES registry on March 28, 2019.
Where is Margaret Smith located?
Margaret Smith practices at 5841 S Maryland Ave M/C 4028, Chicago, IL 60637. The listed phone number is (773) 702-6842.
What is Margaret Smith's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Margaret Smith enrolled in Medicare?
Yes. Margaret Smith 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 Margaret Smith's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Smith reassigns Medicare benefits to 2 organizations: The University Of Chicago Medical Center (Chicago, IL) and Anesthesia Care Associates Medical Group Inc (Burlingame, CA). 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 Margaret Smith's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Margaret Smith accept?
Health plans from Oscar Health list Margaret Smith 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.
When was this NPI record last updated?
The NPPES record for Margaret Smith was last updated on June 7, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Dr. Margaret Elizabeth Smith, MD · NPI 1659832988
Anesthesiology physician in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since March 28, 2019.
## Identity
- **NPI:** 1659832988 (Entity type: Individual)
- **Enumerated:** March 28, 2019
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 125.073683 (Illinois)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 5841 S MARYLAND AVE, M/C 4028, Chicago, IL 60637-1443
- **Phone:** (773) 702-6842 · **Fax:** (773) 843-0063
## 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); Anesthesia Care Associates Medical Group Inc (NPI 1215985023, Burlingame, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Wisconsin School Of Medicine, class of 2019
## Record status
- **NPPES last updated:** June 7, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1659832988) · Data from the CMS NPPES public registry.