Margaret Oswiecimski, MD
Internal Medicine Physician · Fort Myers, FL
Margaret Oswiecimski, MD is an internal medicine physician with a practice address in Fort Myers, Florida, and NPI 1104805761, issued on Jan 12, 2006. Check the license (Florida ME141918, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Margaret Oswiecimski
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- ME141918 FL
036101515 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1569 Matthew Dr, Fort Myers, FL 33907
- Phone
- (239) 343-8220
- Enumerated
- Jan 12, 2006
- Record last updated
- Mar 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (239) 343-8221
- Medicaid IDs
- 036101515 IL
104834700 FL - Medicare enrollment
- Enrolled (PECOS I20191220000773); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 10,151 in Florida → Look up another NPI →
Also registered at 1569 Matthew Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Thomas Ball, MDInternal Medicine Physician1679596795
- Joseph Dessent, D.O.Family Medicine Physician1902069602
- Yanet Garcia, PAPhysician Assistant1437690120
- Barbara James, P.A.Physician Assistant1851605950
- Mila Kmezic, M.D.Internal Medicine Physician1154707065
- Holly Monaco, PA-CPhysician Assistant1154971349
Verify Margaret Oswiecimski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license ME141918Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.1 times the Medicare Part D claims of the average internal medicine physician in 2024
13,131 Medicare Part D claims for 1,152 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 130 claims were for opioids.
Most prescribed
- Atorvastatin Calcium719 claims
- Amlodipine Besylate596 claims
- Levothyroxine Sodium585 claims
- Lisinopril420 claims
- Losartan Potassium407 claims
- Rosuvastatin Calcium326 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.
Industry payments in 2024: $131.15
1 payment: food and beverage; the largest payer was Penumbra, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Lee Health System IncCape Coral, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Margaret Oswiecimski among 10,151 internal medicine physician records in Florida
Margaret Oswiecimski, MD is one of 10,151 internal medicine physician records with a practice address in Florida. 84% 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 10% of them.
- NPI issued2006 · 10% of these records are older, 55% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1994 · median 2004 among the 6,606 with a school on file
- Record last updated2021 · 48% 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 Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
166 internal medicine physician records list a practice address in Fort Myers
They are 166 of the 7,949 NPPES records with a practice address in Fort Myers, and 10,151 internal medicine physician records in Florida.
All 10,151 in Florida → Every provider in Fort Myers → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Vincent Azzara, D.O.Fort Myers, FL 339071164404257
- Patrick Bowman, M.D.Ft Myers, FL 339071295722734
- Barry Butler, MDFort Myers, FL 339071770581449
- Avra Carpousis-Bowers, MDFt Myers, FL 339071851389407
- Tejvir Chadha, MDFort Myers, FL 339071457311342
- Julio Conrado, MDFort Myers, FL 339071588624944
- Galo Constante, MDFort Myers, FL 339071790768463
- Jelin Israel-Cvik, M.D.Fort Myers, FL 339071679560122
Common questions
What is Margaret Oswiecimski, MD's NPI number?
Margaret Oswiecimski, MD's National Provider Identifier (NPI) is 1104805761, issued on Jan 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Oswiecimski, MD located?
The NPPES record lists a practice address at 1569 Matthew Dr, Fort Myers, FL, 33907. Phone: (239) 343-8220. Providers update this record themselves, so call before visiting.
How can I verify Margaret Oswiecimski, MD's license?
NPPES lists Florida license number ME141918, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Margaret Oswiecimski, MD prescribe under Medicare Part D?
In 2024, Margaret Oswiecimski, MD had 13,131 Medicare Part D claims for 1,152 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.