Ireneusz Szulawski, M.D.
Internal Medicine Physician · Lewistown, PA
Ireneusz Szulawski, M.D. is an internal medicine physician with a practice address in Lewistown, Pennsylvania, and NPI 1104874015, issued on May 4, 2006. Check the license (Pennsylvania MD055201L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Ireneusz Szulawski
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD055201L PA
Self-reported in NPPES; status is on the state search - Practice location
- 21 Geisinger LN, Lewistown, PA 17044
- Phone
- (717) 242-4200
- Enumerated
- May 4, 2006
- Record last updated
- Aug 10, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (717) 242-4212
- Medicaid ID
- 001533237 PA
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →
Also registered at 21 Geisinger LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Scott Andrews, MDFamily Medicine Physician1124170089
- Oana Antony, M.D.Internal Medicine Physician1699749861
- Joseph Betz, M.D.Family Medicine Physician1942463583
- Margaret Bigart, RPHPharmacist1598243776
- Colt Brackbill, PA-CPhysician Assistant1063993707
- Elaine Bridgens, PA-CPhysician Assistant1083094346
Verify Ireneusz Szulawski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD055201LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.9 times the Medicare Part D claims of the average internal medicine physician in 2024
9,338 Medicare Part D claims for 118 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 99 claims were for opioids.
Most prescribed
- Atorvastatin Calcium523 claims
- Metoprolol Succinate396 claims
- Omeprazole299 claims
- Gabapentin282 claims
- Potassium Chloride269 claims
- Torsemide266 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.
Ireneusz Szulawski among 7,300 internal medicine physician records in Pennsylvania
Ireneusz Szulawski, M.D. is one of 7,300 internal medicine physician records with a practice address in Pennsylvania. 78% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 64% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2020 · 56% 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Internal Medicine Physician providers in Pennsylvania
There are 7,300 internal medicine physician records in Pennsylvania.
All 7,300 in Pennsylvania → Every provider in Lewistown → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Oana Antony, M.D.Lewistown, PA 170441699749861
- Kierstin Coup, PA-CLewistown, PA 170441477354140
- Harry Dilcher, M.D.Lewistown, PA 170441437145430
- Juyeon Kim, M.D.Lewistown, PA 170441720359821
- Carla Dente, MDLemoyne, PA 170431720079122
- Dominic Mirarchi, DOLemoyne, PA 170431790776078
- Vu NguyenWormleysburg, PA 170431215465935
- Ira Packman, MDLemoyne, PA 170431023009420
Common questions
What is Ireneusz Szulawski, M.D.'s NPI number?
Ireneusz Szulawski, M.D.'s National Provider Identifier (NPI) is 1104874015, issued on May 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ireneusz Szulawski, M.D. located?
The NPPES record lists a practice address at 21 Geisinger LN, Lewistown, PA, 17044. Phone: (717) 242-4200. Providers update this record themselves, so call before visiting.
How can I verify Ireneusz Szulawski, M.D.'s license?
NPPES lists Pennsylvania license number MD055201L, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ireneusz Szulawski, M.D. prescribe under Medicare Part D?
In 2024, Ireneusz Szulawski, M.D. had 9,338 Medicare Part D claims for 118 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.