JOHN D GNEZDA – Surgical Physician Assistant, NPI 1295722296

JOHN D GNEZDA is a healthcare provider. based in Chicago, Illinois. specializing in PHYSICIAN ASSISTANT. They hold a License No. 085000608 (IL). The NPI Number for JOHN D GNEZDA is 1295722296

Main info

Male
33 Years Of Experience
Accepts Medicare Assignment
Name
JOHN D GNEZDA
NPI
1295722296
Phone
(773) 702-2500
Address
5841 S MARYLAND AVE # MC5040
Enumeration Date
4 October 2005
Last Update Date
24 October 2022

Doctor Profile

Medical School Name
UNIVERSITY OF ALABAMA SCHOOL OF MEDICINE
Secondary Phone
8888240200
Graduation Year
1993 (33 years ago)
PAC ID
8325024367
Group Practice PAC ID
7719899426
Professional Enrollment ID
I20040629000680
Address ID
IL606371443CH5841XAVEX400

Contacts

Secure Messaging
jgnezdapa22485@uchospital.direct-ci.com
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness85
Years active:20State licenses:1Other namesUpdated within 12 months

5,035 PHYSICIAN ASSISTANT in IL

Provider Addresses for JOHN D GNEZDA

  • 5841 S MARYLAND AVE # MC5040

    CHICAGO, IL 606371447

    Phone: (773) 702-2500

    Type: Location

  • Gettler Street, Dyer, Lake County, Indiana, 46311, United States

    DYER, IN 463117742

    Phone: (219) 558-2690

    Type: Mailing

  • 150 HARVESTER DR

    SUITE 300

    BURR RIDGE, IL 605275919

    Phone:

    Type: Mailing

  • 5841 S MARYLAND AVE

    CHICAGO, IL 606371443

    Phone: (888) 824-0200

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 17 Open Payments records for all available years, with a total value of $347.

Total Amount is formed as General ($347) + Research ($0) + Ownership ($0) = $347.

Last reported payment date: 2024-10-03 • Largest payer in this snapshot: Getinge USA Sales, LLC ($271).

Total Amount

$347

General + Research + Ownership

Payments

17

Total payment records

General Amount

$347

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-10-03

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: 2004-06-29

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
I20040629000680IPhysician AssistantILTBD

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
33508Harvest of vein using an endoscope1616$0
33533Coronary artery bypass using artery graft, 1 graft1515$0
33405Replacement of aortic valve on heart-lung machine1212$0
33430Replacement of mitral valve on heart-lung machine1111$0
View full utilization report →

Insurance plans in this area (ZIP 60637)

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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: 7719899426View full group profile
NameSpecialtyState
Emergency MedicineIL
N E U R O L O G YIL
General SurgeryIN
Pediatric Medicine, Emergency MedicineIL
-IL
-IL
Cardiovascular Disease (Cardiology)IL
-IL
Nurse PractitionerMI
Interventional Cardiology, Internal Medicine, Cardiovascular Disease (Cardiology)IL

Reviews

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Frequently asked questions

Where can patients find JOHN D GNEZDA's NPI?
You can confirm JOHN D GNEZDA with NPI 1295722296; it appears in the national provider directory.
Is JOHN D GNEZDA's NPI currently valid?
The extract we use shows JOHN D GNEZDA as active.
What does JOHN D GNEZDA treat or focus on?
Patients typically see JOHN D GNEZDA under the specialty Surgical Physician Assistant. Clinical services aligned with this taxonomy classification.
What location metadata exists for JOHN D GNEZDA?
The page summarizes Chicago, Illinois for JOHN D GNEZDA; expand the address list for detail.
Does Medicare enrollment show here?
Medicare enrollment screens are separate from the basic NPI extract shown here.

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