ALEXANDER JONATHAN TRENK MD
NPI 1508359936
Surgery - Vascular Surgery in Arlington Heights, IL

Q: What is Alexander Trenk's NPI number?

The NPI number for Alexander Trenk is 1508359936. It was assigned to this individual provider in the NPPES registry on June 11, 2018.

Q: What is Alexander Trenk's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.

Q: When was this NPI record last updated?

The NPPES record for Alexander Trenk was last updated on April 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 11, 2018PECOS EnrolledAccepts Medicare Assignment

800 W. CENTRAL RD., ARLINGTON HEIGHTS, IL 60005(847) 618-2809 Get Directions Write a Review

NPPES record last updated: April 15, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Apr 15, 2026, Aug 7, 2025, Jun 19, 2023 and 1 more (4 updates tracked since 2018).

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About Alexander Jonathan Trenk Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ALEXANDER JONATHAN TRENK MD (NPI 1508359936) is an individual vascular surgery provider in Arlington Heights, Illinois, licensed in Illinois (036176334) and active in the NPI registry since June 2018. He is enrolled in Medicare PECOS, is affiliated with Northwest Community Hospital 1, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1508359936

Entity TypeIndividualMale

Primary Taxonomy2086S0129X

Provider Legal NameALEXANDER JONATHAN TRENKCredential: MD

Location Address800 W. CENTRAL RD.Arlington Heights, IL 60005-2349

Mailing Address2650 Ridge Ave., 1223Evanston, IL 60201-1718 · (847) 570-2040

Phone(847) 618-2809

Sole ProprietorYes

Medical School CMSOtherGraduated 2016

Enumeration DateJune 11, 2018

Last NPPES UpdateApril 15, 20264 updates tracked since enumeration

NPPES CertifiedApril 15, 2026

✔ NPI 1508359936 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySurgery · Vascular SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code2086S0129X

Licenses✔ Licensed in IL · 036176334✔ Licensed in CA · A183690

Definition

A surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart.

Also ListedSurgeryTaxonomy 208600000X · License 125.071766 (IL), 036176334 (IL)

800 W. CENTRAL RD., Arlington Heights, IL 60005

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Home State Health, Ambetter Health, Ambetter Health of Delaware.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Alexander Jonathan Trenk Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9234486499

PECOS Enrollment IDI20250811000018

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Northwest Community Hospital 1

Acute Care Hospitals · Arlington Heights, IL

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140252

Location800 W Central RoadArlington Heights, IL 60005 · Cook County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60005 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$94.06 typical visit price

range $60.08 – $183.39

Typical copayment $23.51 (range $15.02 – $45.84)

Most-billed visit code 99203

Established Patient

$74.80 typical visit price

range $18.97 – $148.12

Typical copayment $18.70 (range $4.74 – $37.03)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 12

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DILLON T. WARNECKE APN-CRNA

Nurse Anesthetist, Certified Registered

800 W. CENTRAL RD., DEPARTMENT OF ANESTHESIA
ARLINGTON HEIGHTS, IL 60005

Cook County (847) 618-7140

DR. MICHAEL EDWARD DONAHUE M.D.

Emergency Medicine

800 W. CENTRAL RD.
ARLINGTON HEIGHTS, IL 60005

Cook County (847) 618-3040

MUNDEEP SINGH BAWA MD

Anesthesiology

800 W. CENTRAL RD., DEPARTMENT OF ANESTHESIA
ARLINGTON HEIGHTS, IL 60005

Cook County (847) 570-2760

DR. SASHA M. DEMOS MD

Anesthesiology

800 W. CENTRAL RD., DEPARTMENT OF ANESTHESIA
ARLINGTON HEIGHTS, IL 60005

Cook County (847) 570-2760

HARMEET SINGH BAWA MD

Anesthesiology

800 W. CENTRAL RD., DEPARTMENT OF ANESTHESIA
ARLINGTON HEIGHTS, IL 60005

Cook County (847) 570-2760

PETER JOHN PSIHOS DO

Internal Medicine (Critical Care Medicine)

800 W. CENTRAL RD., ICU DEPARTMENT
ARLINGTON HEIGHTS, IL 60005

Cook County (847) 618-7301

ANNE ELIZABETH SARWARK MD

Anesthesiology

800 W. CENTRAL RD., DEPARTMENT OF ANESTHESIA
ARLINGTON HEIGHTS, IL 60005

Cook County (847) 618-7140

ENYA SLIVOVSKY APN-CRNA

Nurse Anesthetist, Certified Registered

800 W. CENTRAL RD., DEPARTMENT OF ANESTHESIA
ARLINGTON HEIGHTS, IL 60005

Cook County (847) 618-7140

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Alexander Trenk's NPI number?

The NPI number for Alexander Trenk is 1508359936. It was assigned to this individual provider in the NPPES registry on June 11, 2018.

Where is Alexander Trenk located?

Alexander Trenk practices at 800 W. Central Rd., Arlington Heights, IL 60005. The listed phone number is (847) 618-2809.

What is Alexander Trenk's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.

Is Alexander Trenk enrolled in Medicare?

Yes. Alexander Trenk is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Alexander Trenk accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Home State Health list Alexander Trenk as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Alexander Trenk affiliated with any hospitals?

According to CMS data, Alexander Trenk is affiliated with Northwest Community Hospital 1.

When was this NPI record last updated?

The NPPES record for Alexander Trenk was last updated on April 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.