Alexander Jonathan Trenk, MD
Vascular Surgery Physician · Arlington Heights, IL
Alexander Jonathan Trenk, MD is a vascular surgery physician with a practice address in Arlington Heights, Illinois, and NPI 1508359936, issued on Jun 11, 2018. Check the license (Illinois 036176334, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Alexander Jonathan Trenk
- Credential
- MD
- Primary taxonomy
- Vascular Surgery Physician 2086S0129X
- License numbers
- 036176334 IL
125.071766 IL
A183690 CA
Self-reported in NPPES; status is on the state search - Practice location
- 800 W. Central RD., Arlington Heights, IL 60005
- Phone
- (847) 618-2809
- Enumerated
- Jun 11, 2018
- Record last updated
- Apr 15, 2026
- Medicare enrollment
- Enrolled (PECOS I20250811000018); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest vascular surgery physician records → All 197 in Illinois → Look up another NPI →
Also registered at 800 W. Central RD.
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Harmeet Bawa, MDAnesthesiology Physician1174186563
- Mundeep Bawa, MDAnesthesiology Physician1164085551
- Sasha Demos, MDAnesthesiology Physician1164480059
- Michael Donahue, M.D.Emergency Medicine Physician1083753222
- Aurelian Ivan, M.D.Hospitalist Physician1841467743
- Peter Psihos, DOCritical Care Medicine (Internal Medicine) Physician1225392368
Verify Alexander Jonathan Trenk in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036176334Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average vascular surgery physician in 2024
11 Medicare Part D claims, against an average of 201 among the 3,936 providers of this specialty who prescribed in Part D.
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: $3,329.74
33 payments; by number, the most common kind was food and beverage; the largest payer was W. L. Gore & Associates, Inc. The 4,059 providers of this specialty with any payment received $6,178.00 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
- Endeavor Health Medical GroupEvanston, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alexander Jonathan Trenk among 197 vascular surgery physician records in Illinois
Alexander Jonathan Trenk, MD is one of 197 vascular surgery physician records with a practice address in Illinois. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 81% of them.
- NPI issued2018 · 81% of these records are older, 16% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2016 · median 2005 among the 132 with a school on file
- Record last updated2026 · 37% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086S0129X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Vascular Surgery Physician providers in Illinois
There are 197 vascular surgery physician records in Illinois.
All 197 in Illinois → Every provider in Arlington Heights → Vascular Surgery Physician nationwide →
The 8 vascular surgery physician records with the nearest ZIP codes
- Nida AhmedArlington Heights, IL 600051902164437
- Elizabeth Clark, M.D., R.V.T.Arlington Heights, IL 600051487646535
- Sapan Desai, M.D., PH.D., MBAArlington Heights, IL 600051700088234
- John Edwards, MDArlington Heights, IL 600051124079249
- Nader Tehrani, MDArlington Heights, IL 600051013322973
- Susanne Woloson, M.D.Arlington Hts, IL 600051699776708
- Georges Haidar, MDElk Grove Village, IL 600071609059740
- Yasong Yu, MDGlenview, IL 600261962906669
Common questions
What is Alexander Jonathan Trenk, MD's NPI number?
Alexander Jonathan Trenk, MD's National Provider Identifier (NPI) is 1508359936, issued on Jun 11, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Alexander Jonathan Trenk, MD located?
The NPPES record lists a practice address at 800 W. Central RD., Arlington Heights, IL, 60005. Phone: (847) 618-2809. Providers update this record themselves, so call before visiting.
How can I verify Alexander Jonathan Trenk, MD's license?
NPPES lists Illinois license number 036176334, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Alexander Jonathan Trenk, MD prescribe under Medicare Part D?
In 2024, Alexander Jonathan Trenk, MD had 11 Medicare Part D claims; the average among vascular surgery physician prescribers was 201. 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.