JAMES LEWIS BOSWELL II MD
NPI 1891934147
Anesthesiology in Chicago, IL
About James Lewis Boswell Ii Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JAMES LEWIS BOSWELL II MD (NPI 1891934147) is an individual anesthesiology provider in Chicago, Illinois, licensed in Illinois (036121261) and active in the NPI registry since February 2009. He is enrolled in Medicare PECOS.
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 (PECOS)
James Lewis Boswell Ii Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show James Boswell reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Greensboro, NC 27408
- Reassigned Medicare billing, North Carolina enrollment
- 223 clinicians in this Medicare group
Charlotte, NC 28262
- Reassigned Medicare billing, North Carolina enrollment
- 1,212 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 19
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.
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 James Boswell's NPI number?
The NPI number for James Boswell is 1891934147. It was assigned to this individual provider in the NPPES registry on February 10, 2009.
Where is James Boswell located?
James Boswell practices at 5841 S Maryland Ave, Chicago, IL 60637. The listed phone number is (773) 702-1000.
What is James Boswell's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is James Boswell enrolled in Medicare?
Yes. James Boswell is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for James Boswell's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Boswell reassigns Medicare benefits to 2 organizations: Southeast Anesthesiology Consultants, PLLC (Greensboro, NC) and Chs Anesthesia Services Group Inc (Charlotte, NC). 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 James Boswell's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does James Boswell accept?
Health plans from Blue Cross and Blue Shield of Texas and Cigna Healthcare list James Boswell 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 James Boswell was last updated on May 19, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.