Aleksandra M. Sliwinska, MD
Endocrinology, Diabetes & Metabolism Physician · Eugene, OR
Aleksandra M. Sliwinska, MD is an endocrinology, diabetes & metabolism physician with a practice address in Eugene, Oregon, and NPI 1124683941, issued on May 7, 2019. Check the license (Oregon MD219885, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Aleksandra M. Sliwinska
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- MD219885 OR
Self-reported in NPPES; status is on the state search - Practice location
- 1200 Hilyard St Ste 550, Eugene, OR 97401
- Phone
- (458) 205-6543
- Enumerated
- May 7, 2019
- Record last updated
- Oct 16, 2024
- Fax
- (458) 205-6492
- Medicare enrollment
- Enrolled (PECOS I20240626003388); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 104 in Oregon → Look up another NPI →
Also registered at 1200 Hilyard St Ste 550
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Noriko Delacruz, R.D.Registered Dietitian1902846702
- Joel Duling, RDRegistered Dietitian1184397176
Verify Aleksandra M. Sliwinska in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD219885Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
252 Medicare Part D claims for 87 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 37% of claims.
Most prescribed
- Alendronate Sodium21 claims
- Levothyroxine Sodium20 claims
- Lantus Solostar16 claims
- Hydrocortisone13 claims
- Nano 2nd Gen Pen Needle13 claims
- Teriparatide11 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.
Bills Medicare through one group practice
- Peacehealth Medical GroupEugene, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Aleksandra M. Sliwinska among 104 endocrinology, diabetes & metabolism physician records in Oregon
Aleksandra M. Sliwinska, MD is one of 104 endocrinology, diabetes & metabolism physician records with a practice address in Oregon. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 94% of them.
- NPI issued2019 · 94% of these records are older, 3% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2017 · median 2001 among the 67 with a school on file
- Record last updated2024 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Oregon
There are 104 endocrinology, diabetes & metabolism physician records in Oregon.
All 104 in Oregon → Every provider in Eugene → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Jane Farmer, M.D.Eugene, OR 974011881667012
- Chalapathi Medavarapu, MDEugene, OR 974011750876868
- Haidee Zamora, MDEugene, OR 974011316188857
- Mary Allison-Smith, M.D.Eugene, OR 974031467603373
- Joseph El Youssef, M.D.Coos Bay, OR 974201154445641
- Beverley Phillipson, M.D.Siletz, OR 973801790888097
- Patrick Boyle, MDDepoe Bay, OR 973411184630816
- Mark BradleyRoseburg, OR 974701427162635
Common questions
What is Aleksandra M. Sliwinska, MD's NPI number?
Aleksandra M. Sliwinska, MD's National Provider Identifier (NPI) is 1124683941, issued on May 7, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Aleksandra M. Sliwinska, MD located?
The NPPES record lists a practice address at 1200 Hilyard St Ste 550, Eugene, OR, 97401. Phone: (458) 205-6543. Providers update this record themselves, so call before visiting.
How can I verify Aleksandra M. Sliwinska, MD's license?
NPPES lists Oregon license number MD219885, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Aleksandra M. Sliwinska, MD prescribe under Medicare Part D?
In 2024, Aleksandra M. Sliwinska, MD had 252 Medicare Part D claims for 87 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.