James Lewis Boswell, MD
Anesthesiology Physician · Chicago, IL
James Lewis Boswell, MD is an anesthesiology physician with a practice address in Chicago, Illinois, and NPI 1891934147, issued on Feb 10, 2009. Check the license (Illinois 036121261, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- James Lewis Boswell
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 036121261 IL
Self-reported in NPPES; status is on the state search - Practice location
- 5841 S Maryland Ave, Chicago, IL 60637
- Phone
- (773) 702-1000
- Enumerated
- Feb 10, 2009
- Record last updated
- May 19, 2009 (not updated in 17 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 2,575 in Illinois → Look up another NPI →
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Verify James Lewis Boswell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036121261Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $14.92
1 payment: food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 17,774 providers of this specialty with any payment received $669.59 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
James Lewis Boswell among 2,575 anesthesiology physician records in Illinois
James Lewis Boswell, MD is one of 2,575 anesthesiology physician records with a practice address in Illinois. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 53% of them.
- NPI issued2009 · 53% of these records are older, 44% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2009 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,113 anesthesiology physician records list a practice address in Chicago
They are 1,113 of the 63,379 NPPES records with a practice address in Chicago, and 2,575 anesthesiology physician records in Illinois.
All 2,575 in Illinois → Every provider in Chicago → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Magdalena Anitescu, MDChicago, IL 606371891850012
- Angela Arndt, M.D.Chicago, IL 606371689632317
- Mark ChaneyChicago, IL 606371346305562
- Frank DupontChicago, IL 606371770578122
- Atul GuptaChicago, IL 606371396791729
- Matthew KaufmannChicago, IL 606371336165109
- Joan Matthews, MDChicago, IL 606371124034533
- Anish OzaChicago, IL 606371518050046
Common questions
What is James Lewis Boswell, MD's NPI number?
James Lewis Boswell, MD's National Provider Identifier (NPI) is 1891934147, issued on Feb 10, 2009. An NPI identifies a provider in billing; it is not a license.
Where is James Lewis Boswell, MD located?
The NPPES record lists a practice address at 5841 S Maryland Ave, Chicago, IL, 60637. Phone: (773) 702-1000. Providers update this record themselves, so call before visiting.
How can I verify James Lewis Boswell, MD's license?
NPPES lists Illinois license number 036121261, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.