Irene Mary Boswell, M.D.
Internal Medicine Physician · Rockford, IL
Irene Mary Boswell, M.D. is an internal medicine physician with a practice address in Rockford, Illinois, and NPI 1548226905, issued on Apr 25, 2006. Check the license (Illinois 036091532, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Irene Mary Boswell
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036091532 IL
Self-reported in NPPES; status is on the state search - Practice location
- 7520 Blairmore Dr, Rockford, IL 61107
- Phone
- (815) 332-1777
- Enumerated
- Apr 25, 2006
- Record last updated
- Mar 21, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (815) 332-1655
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Verify Irene Mary 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 036091532Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average internal medicine physician in 2024
746 Medicare Part D claims for 319 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Levothyroxine Sodium87 claims
- Rosuvastatin Calcium46 claims
- Atorvastatin Calcium34 claims
- Amlodipine Besylate33 claims
- Lisinopril24 claims
- Metoprolol Succinate22 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.
Irene Mary Boswell among 7,238 internal medicine physician records in Illinois
Irene Mary Boswell, M.D. is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 61% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2018 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
82 internal medicine physician records list a practice address in Rockford
They are 82 of the 3,893 NPPES records with a practice address in Rockford, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Rockford → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Matilda Abu-Saba, MDRockford, IL 611071760020739
- Thordur Agustsson, MDRockford, IL 611071790895977
- Waqas Ahmad, MDRockford, IL 611071316300247
- Solab Chitrakar, MDRockford, IL 611071750934584
- Roy El KoussaRockford, IL 611071518543065
- Gautam Gupta, M.D.Rockford, IL 611071477734226
- David Mitchell, MDRockford, IL 611071013027200
- Jon Monkemeyer, MDRockford, IL 611071114087731
Common questions
What is Irene Mary Boswell, M.D.'s NPI number?
Irene Mary Boswell, M.D.'s National Provider Identifier (NPI) is 1548226905, issued on Apr 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Irene Mary Boswell, M.D. located?
The NPPES record lists a practice address at 7520 Blairmore Dr, Rockford, IL, 61107. Phone: (815) 332-1777. Providers update this record themselves, so call before visiting.
How can I verify Irene Mary Boswell, M.D.'s license?
NPPES lists Illinois license number 036091532, 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 Irene Mary Boswell, M.D. prescribe under Medicare Part D?
In 2024, Irene Mary Boswell, M.D. had 746 Medicare Part D claims for 319 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.