DR. MARC J ALONZO (MD) – Vascular & Interventional Radiology Physician, NPI 1033142351

DR. MARC J ALONZO (MD) is a healthcare provider. based in Evanston, Illinois. specializing in INTERVENTIONAL RADIOLOGY. They hold the professional credentials MD. The NPI Number for DR. MARC J ALONZO (MD) is 1033142351

Main info

Male
30 Years Of Experience
Accepts Medicare Assignment
Name
DR. MARC J ALONZO (MD)
NPI
1033142351
Phone
(847) 570-2475
Address
2650 RIDGE AVE
Enumeration Date
9 July 2006
Last Update Date
8 July 2007

Doctor Profile

Medical School Name
UNIVERSITY OF MISSOURI, COLUMBIA SCHOOL OF MEDICINE
Secondary Phone
-
Graduation Year
1996 (30 years ago)
PAC ID
6800788449
Group Practice PAC ID
2163334699
Professional Enrollment ID
I20040327000176
Address ID
IL602011700EV2650XAVEX300
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience43
Completeness75
Years active:19State licenses:0Digital endpointsOther names

342 INTERVENTIONAL RADIOLOGY in IL

Loading map...

Provider Addresses for DR. MARC J ALONZO (MD)

  • Evanston Hospital, 2650, Ridge Avenue, Evanston, Evanston Township, Cook County, Illinois, 60201, United States

    DEPARTMENT OF RADIOLOGY, G507

    EVANSTON, IL 602011718

    Phone: (847) 570-2475

    Fax: (847) 570-2942

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

Loading prescription activity...

Open Payments (CMS)

CMS reports 55 Open Payments records for all available years, with a total value of $63,440.

Total Amount is formed as General ($63,440) + Research ($0) + Ownership ($0) = $63,440.

Last reported payment date: 2024-10-04 • Largest payer in this snapshot: Sirtex Medical Inc ($57,709).

Total Amount

$63,440

General + Research + Ownership

Payments

55

Total payment records

General Amount

$63,440

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-10-04

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: 2004-03-27

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
I20040327000176IInterventional RadiologyILTBD

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.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99152Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes151136$0
76937Ultrasonic guidance for blood vessel access10796$0
77001Fluoroscopic guidance for insertion or removal of central vein access device7674$0
49083Drainage of fluid from abdominal cavity using imaging guidance7444$0
32555Aspiration of fluid from chest cavity using imaging guidance7063$0
View full utilization report →

Insurance plans in this area (ZIP 60201)

Loading plans...

Provider's Procedures

DR. MARC J ALONZO (MD) performs procedures in INTERVENTIONAL RADIOLOGY. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
INTERVENTIONAL RADIOLOGYIL76942Ultrasonic guidance imaging supervision and interpretation for insertion of needle7575
INTERVENTIONAL RADIOLOGYIL77012Radiological supervision and interpretation of CT guidance for needle insertion2929

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

All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.

No reviews yet. Be the first to share your experience — your opinion helps families compare providers.

Frequently asked questions

Does DR. MARC J ALONZO (MD) have a public NPI I can cite?
Public records show DR. MARC J ALONZO (MD) under NPI 1033142351.
Is DR. MARC J ALONZO (MD) currently accepting referrals based on NPI status?
Registry metadata lists DR. MARC J ALONZO (MD) as active.
Which specialty label fits DR. MARC J ALONZO (MD)?
NPPES ties DR. MARC J ALONZO (MD) to Vascular & Interventional Radiology Physician in the taxonomy section. Clinical services aligned with this taxonomy classification.
Which community is linked to DR. MARC J ALONZO (MD)?
DR. MARC J ALONZO (MD) shows a connection to Evanston, Illinois in registry-derived data.
Can I export DR. MARC J ALONZO (MD)'s record?
You can download the official NPPES record; we summarize key fields for readability.

Similar Providers

DR. SEBOUH A GUEYIKIAN (M.D.)

Vascular & Interventional Radiology Physician
2650 RIDGE AVE.
NPI: 1316947062

DR. THOMAS M. AQUISTO (MD)

Vascular & Interventional Radiology Physician
2946 E. BANNER GATEWAY DR.
NPI: 1861455271

DR. HECTOR FERRAL (M.D.)

Vascular & Interventional Radiology Physician
Evanston Hospital, 2650, Ridge Avenue, Evanston, Evanston Township, Cook County, Illinois, 60201, United States
NPI: 1194774166

DR. THOMAS A FARRELL (MB, BCH)

Vascular & Interventional Radiology Physician
Evanston Hospital, 2650, Ridge Avenue, Evanston, Evanston Township, Cook County, Illinois, 60201, United States
NPI: 1659304970

FRANKLIN A MARDEN (MD)

Neurology Physician
800 Biesterfield Rd
NPI: 1609801703

DR. DAVID HAHN (MD)

Vascular & Interventional Radiology Physician
PO BOX 71736
NPI: 1912926353

DR. DAVID L WARNER (MD)

Vascular & Interventional Radiology Physician
Evanston Hospital, 2650, Ridge Avenue, Evanston, Evanston Township, Cook County, Illinois, 60201, United States
NPI: 1538188974

ALLEN TANG CHEN (MD)

Diagnostic Radiology Physician
Evanston Hospital, 2650, Ridge Avenue, Evanston, Evanston Township, Cook County, Illinois, 60201, United States
NPI: 1437341096