Mary Buswell, MD
Addiction Medicine (Family Medicine) Physician · Chicago, IL
Mary Buswell, MD is an addiction medicine (family medicine) physician with a practice address in Chicago, Illinois, and NPI 1730766387, issued on Mar 28, 2021. Check the license (Illinois 036.178026, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Mary Buswell
- Credential
- MD
- Primary taxonomy
- Addiction Medicine (Family Medicine) Physician 207QA0401X
- License number
- 036.178026 IL
Self-reported in NPPES; status is on the state search - Practice location
- 5425 W Lake St, Chicago, IL 60644
- Phone
- (773) 378-3347
- Enumerated
- Mar 28, 2021
- Record last updated
- Dec 4, 2025
- Fax
- (773) 378-4028
- Medicare enrollment
- Enrolled (PECOS I20240805001662); accepts Medicare assignment
- Medical or professional school
- University Of Rochester School Of Medicine And Dentistry, 2021
- Entity
- Type 1 · individual
Also registered at 5425 W Lake St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michelle BehrensClinical Social Worker1013574136
- Alvie Bender, LCSWClinical Social Worker1023677051
- Amanda BrooksClinical Social Worker1659786465
- Peter Chapman, LCSWClinical Social Worker1053552497
- Michelle Doscas, MDSports Medicine (Family Medicine) Physician1306343421
- Aaron Faulk, DMDDentist1982520672
Verify Mary Buswell 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 036.178026Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2% more Medicare Part D claims than the average addiction medicine (family medicine) physician in 2024
674 Medicare Part D claims for 96 beneficiaries, against an average of 664 among the 581 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium43 claims
- Gabapentin38 claims
- Lisinopril30 claims
- Amlodipine Besylate29 claims
- Ibuprofen21 claims
- Metformin Hcl20 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- Multicare Health SystemPuyallup, WA
- Pcc Community Wellness CenterOak Park, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Addiction Medicine (Family Medicine) Physician providers in Illinois
There are 26 addiction medicine (family medicine) physician records in Illinois.
Other addiction medicine (family medicine) physician records in Illinois
- Katherine Austman, MDGibson City, IL1396739462
- Michael Blain, D.O.Eldorado, IL1801076146
- Britt Borden, M.D.Chicago, IL1841251378
- Dora Dixie, MDChicago, IL1225092919
- Beth Dunlap, MDChicago, IL1821319419
- Risha Fennell, MDSpringfield, IL1487622379
- Ruchi Fitzgerald, M.D.Chicago, IL1720060072
- John Gnap, MDChicago Ridge, IL1164572319
- Shalu Gugnani, M.D.Arlington Heights, IL1629238746
- Raza Hussain, M.D.Decatur, IL1891960431
Common questions
What is Mary Buswell, MD's NPI number?
Mary Buswell, MD's National Provider Identifier (NPI) is 1730766387, issued on Mar 28, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Mary Buswell, MD located?
The NPPES record lists a practice address at 5425 W Lake St, Chicago, IL, 60644. Phone: (773) 378-3347. Providers update this record themselves, so call before visiting.
How can I verify Mary Buswell, MD's license?
NPPES lists Illinois license number 036.178026, 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.
How much does Mary Buswell, MD prescribe under Medicare Part D?
In 2024, Mary Buswell, MD had 674 Medicare Part D claims for 96 beneficiaries; the average among addiction medicine (family medicine) physician prescribers was 664. Part D covers Medicare prescriptions only.
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.