Ireneusz Szulawski, M.D.
NPI 1104874015 · Internal Medicine Physician · Lewistown, PA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ireneusz Szulawski, M.D. is a Internal Medicine Physician provider in Lewistown, PA (NPI 1104874015).
Provider details
- NPI number
- 1104874015
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD055201L (PA)
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 · 146 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 523 | 55 |
| Metoprolol Succinate | 396 | 35 |
| Omeprazole | 299 | 28 |
| Gabapentin | 282 | 26 |
| Potassium Chloride | 269 | 26 |
| Torsemide | 266 | 24 |
| Losartan Potassium | 251 | 26 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-04
- Last updated
- 2020-08-10
- Certified
- 2020-08-10
Frequently asked questions
- What is Ireneusz Szulawski's NPI number?
- Ireneusz Szulawski's National Provider Identifier (NPI) is 1104874015, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ireneusz Szulawski's specialty?
- Ireneusz Szulawski is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ireneusz Szulawski located?
- Ireneusz Szulawski's practice location on file with NPPES is 21 Geisinger Ln, Lewistown, PA 17044-3400.
- What is Ireneusz Szulawski's phone number?
- The practice phone number listed in the NPPES registry for Ireneusz Szulawski is (717) 242-4200.
- Does Ireneusz Szulawski accept Medicare?
- Ireneusz Szulawski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ireneusz Szulawski's NPI active?
- Yes — Ireneusz Szulawski's NPI (1104874015) is active in the NPPES registry as of the last update on 2020-08-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.