ALEXANDER JONATHAN TRENK (MD) – Surgery Physician, NPI 1508359936

ALEXANDER JONATHAN TRENK (MD) is a healthcare provider. based in Evanston, Illinois. specializing in VASCULAR SURGERY. They hold the professional credentials MD. They hold a License No. 036176334 (IL). The NPI Number for ALEXANDER JONATHAN TRENK (MD) is 1508359936

Main info

Male
Sole Proprietor
10 Years Of Experience
Accepts Medicare Assignment
Name
ALEXANDER JONATHAN TRENK (MD)
NPI
1508359936
Phone
(847) 570-2040
Address
2650 RIDGE AVE.
Enumeration Date
11 June 2018
Last Update Date
15 April 2026

Doctor Profile

Medical School Name
OTHER
Secondary Phone
-
Graduation Year
2016 (10 years ago)
PAC ID
9234486499
Group Practice PAC ID
2163334699
Professional Enrollment ID
I20250811000018
Address ID
IL602011700EV2650XAVEX300
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience56
Completeness85
Years active:7State licenses:3Digital endpointsOther names

240 VASCULAR SURGERY in IL

Provider Addresses for ALEXANDER JONATHAN TRENK (MD)

  • 2650 RIDGE AVE.

    1223

    EVANSTON, IL 602011718

    Phone: (847) 570-2040

    Type: Mailing

  • 800 W. CENTRAL RD.

    ARLINGTON HEIGHTS, IL 600052349

    Phone: (847) 618-2809

    Type: Location

  • 5841 S Maryland Ave # 6040

    Chicago, IL 606371443

    Phone: (773) 702-1000

    Fax: (773) 702-2140

    Type: Location

  • 1200 N State St

    Los Angeles, CA 900891001

    Phone: (323) 442-8500

    Type: Location

  • Harvester Drive, Burr Ridge, DuPage County, Illinois, 65027, United States

    BURR RIDGE, IL 605276686

    Phone: (773) 702-1150

    Type: Mailing

  • South Maryland Avenue, Hyde Park, Chicago, Hyde Park Township, Cook County, Illinois, 60637, United States

    CHICAGO, IL 606371443

    Phone: (773) 702-1000

    Fax: (773) 702-2140

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 42 Open Payments records for all available years, with a total value of $4,377.

Total Amount is formed as General ($4,377) + Research ($0) + Ownership ($0) = $4,377.

Last reported payment date: 2024-12-10 • Largest payer in this snapshot: W. L. Gore & Associates, Inc. ($2,091).

Total Amount

$4,377

General + Research + Ownership

Payments

42

Total payment records

General Amount

$4,377

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-12-10

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2025-08-11

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20250811000018IVascular SurgeryILTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 60201)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 2163334699View full group profile
NameSpecialtyState
-IL
E N D O C R I N O L O G YIL
N E U R O L O G YIL
Hospitalist, Internal MedicineIL
O P H T H A L M O L O G YIL
-IL
E N D O C R I N O L O G YIL
Cardiovascular Disease (Cardiology), Interventional CardiologyIL
Clinical Social WorkerIL
Certified Nurse Midwife (Cnm)IL

Reviews

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Frequently asked questions

How do I look up ALEXANDER JONATHAN TRENK (MD) by NPI?
Use NPI 1508359936 when you need to reference ALEXANDER JONATHAN TRENK (MD) in forms, claims, or directories.
Is ALEXANDER JONATHAN TRENK (MD) currently active in the NPI registry?
CMS-published data lists ALEXANDER JONATHAN TRENK (MD) as an active registrant.
Does ALEXANDER JONATHAN TRENK (MD) list a primary specialty?
If you are matching referrals, note Surgery Physician for ALEXANDER JONATHAN TRENK (MD). Clinical services aligned with this taxonomy classification.
What location shows for ALEXANDER JONATHAN TRENK (MD)?
We surface Evanston, Illinois for ALEXANDER JONATHAN TRENK (MD) based on available NPPES addresses.
Is ALEXANDER JONATHAN TRENK (MD) a real provider?
This page reflects official NPPES data for NPI 1508359936. Always confirm identity and privileges with the practice and licensing boards.