Irene Boswell, M.D.
NPI 1548226905 · Internal Medicine Physician · Rockford, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Irene Boswell, M.D. is a Internal Medicine Physician provider in Rockford, IL (NPI 1548226905).
Provider details
- NPI number
- 1548226905
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 036091532 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 87 | 65 |
| Rosuvastatin Calcium | 46 | 38 |
| Atorvastatin Calcium | 34 | 30 |
| Amlodipine Besylate | 33 | 27 |
| Lisinopril | 24 | 19 |
| Metoprolol Succinate | 22 | 18 |
| Ezetimibe |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-25
- Last updated
- 2018-03-21
Frequently asked questions
- What is Irene Boswell's NPI number?
- Irene Boswell's National Provider Identifier (NPI) is 1548226905, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Irene Boswell's specialty?
- Irene Boswell is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Irene Boswell located?
- Irene Boswell's practice location on file with NPPES is 7520 Blairmore Dr, Rockford, IL 61107-5226.
- What is Irene Boswell's phone number?
- The practice phone number listed in the NPPES registry for Irene Boswell is (815) 332-1777.
- Does Irene Boswell accept Medicare?
- Irene Boswell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Irene Boswell's NPI active?
- Yes — Irene Boswell's NPI (1548226905) is active in the NPPES registry as of the last update on 2018-03-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.