ROMAN W MANDZIJ (DO) – Internal Medicine Physician, NPI 1841239902

ROMAN W MANDZIJ (DO) is a healthcare provider. based in Winnetka, Illinois. specializing in INTERNAL MEDICINE. They hold the professional credentials DO. They hold a License No. 036-096445 (IL). The NPI Number for ROMAN W MANDZIJ (DO) is 1841239902

Main info

Male
Sole Proprietor
32 Years Of Experience
Accepts Medicare Assignment
Name
ROMAN W MANDZIJ (DO)
NPI
1841239902
Phone
(847) 501-4060
Address
525 WINNETKA AVE
Enumeration Date
5 June 2006
Last Update Date
12 December 2016

Doctor Profile

Medical School Name
OTHER
Secondary Phone
-
Graduation Year
1994 (32 years ago)
PAC ID
7012927791
Group Practice PAC ID
1557672334
Professional Enrollment ID
I20060426000343
Address ID
IL600934050WI525XXAVEX302
Telehealth
Yes
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

8,828 INTERNAL MEDICINE in IL

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Provider Addresses for ROMAN W MANDZIJ (DO)

  • 525, Winnetka Avenue, Winnetka, New Trier Township, Cook County, Illinois, 60093, United States

    WINNETKA, IL 600934050

    Phone: (847) 501-4060

    Fax: (847) 501-4063

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 1 Open Payments records for all available years, with a total value of $32.

Total Amount is formed as General ($32) + Research ($0) + Ownership ($0) = $32.

Last reported payment date: 2024-05-03 • Largest payer in this snapshot: PFIZER INC. ($32).

Total Amount

$32

General + Research + Ownership

Payments

1

Total payment records

General Amount

$32

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-05-03

Latest reported date

Top Companies

Largest payers in this snapshot

CompanyAmount
PFIZER INC.$32
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: 2006-04-26

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
I20060426000343IInternal MedicineILTBD

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
99214Established patient office or other outpatient visit, 30-39 minutes483171$0
36415Insertion of needle into vein for collection of blood sample269150$0
G0439Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit9999$0
99213Established patient office or other outpatient visit, 20-29 minutes9266$0
G0008Administration of influenza virus vaccine7373$0
View full utilization report →

Insurance plans in this area (ZIP 60093)

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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: 1557672334View full group profile
NameSpecialtyState
Internal MedicineIL

Reviews

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Frequently asked questions

What federal number belongs to ROMAN W MANDZIJ (DO)?
The federal identifier for ROMAN W MANDZIJ (DO) is NPI 1841239902.
Is ROMAN W MANDZIJ (DO)'s enrollment marked active?
An active flag here means the NPI record is not in a deactivated state.
What does ROMAN W MANDZIJ (DO) treat or focus on?
Patients typically see ROMAN W MANDZIJ (DO) under the specialty Internal Medicine Physician. Clinical services aligned with this taxonomy classification.
Where does public data place ROMAN W MANDZIJ (DO)?
The snapshot lists Winnetka, Illinois for ROMAN W MANDZIJ (DO); download NPPES for the complete set.
What if Winnetka, Illinois seems incomplete?
Street-level detail can be omitted — open the full address list for this NPI.

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