GEORGE ZAWADOWSKI MD
NPI 1851604318
Internal Medicine - Interventional Cardiology in Duluth, MN

Active since July 26, 2010PECOS EnrolledAccepts Medicare Assignment
400 E 3RD ST, DULUTH, MN 55805(218) 786-8364 Get Directions Write a Review

NPPES record last updated: August 6, 2019. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About George Zawadowski Md NPPES

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

GEORGE ZAWADOWSKI MD (NPI 1851604318) is an individual interventional cardiology provider in Duluth, Minnesota, licensed in Minnesota (55526) and active in the NPI registry since July 2010. He is enrolled in Medicare PECOS, is affiliated with Essentia Health St Mary's Medical Center, and maintains a secondary practice location in Rochester.

NPPES Registry Identity

NPI1851604318
Entity TypeIndividualMale
Primary Taxonomy207RI0011X
Provider Legal NameGEORGE ZAWADOWSKICredential: MD
Location Address400 E 3RD STDuluth, MN 55805-1951
Mailing Address400 E 3rd StreetDuluth, MN 55805-1951
Sole ProprietorNo
Medical School CMSOtherGraduated 2010
Enumeration DateJuly 26, 2010
Last NPPES UpdateAugust 6, 2019
✔ NPI 1851604318 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Interventional CardiologyAllopathic & Osteopathic Physicians
Taxonomy Code207RI0011X
License✔ Licensed in MN · 55526
Definition
An area of medicine within the subspecialty of cardiology, which uses specialized imaging and other diagnostic techniques to evaluate blood flow and pressure in the coronary arteries and chambers of the heart and uses technical procedures and medications to treat abnormalities that impair the function of the cardiovascular system.
Also ListedInternal MedicineTaxonomy 207R00000X · License 55526 (MN)
400 E 3RD ST, Duluth, MN 55805

Secondary Practice Location 1

Location 1200 1st St SWRochester, MN 55905-0001 · Phone (507) 284-2511

Other Identifiers 1

OtherP01149709MN · Railroad Medicare

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

George Zawadowski 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 ID3173770609
PECOS Enrollment IDI20120905000674
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.

Medicare Billing Reassignments

6

Medicare enrollment records show George Zawadowski reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Multi-Specialty
400 E 3RD ST
Duluth, MN 55805
  • Reassigned Medicare billing, Minnesota enrollment
  • 1,460 clinicians in this Medicare group
Emergency Care
407 E 3RD ST
Duluth, MN 55805
  • Reassigned Medicare billing, Minnesota enrollment
  • Medicare enrollment name: St Marys Medical Center
  • 179 clinicians in this Medicare group
Critical Access
4572 COUNTY ROAD 61
Moose Lake, MN 55767
  • Reassigned Medicare billing, Minnesota enrollment
  • 213 clinicians in this Medicare group
General Acute Care Hospital
901 9TH ST N
Virginia, MN 55792
  • Reassigned Medicare billing, Minnesota enrollment
  • 171 clinicians in this Medicare group
Critical Access Hospital
1542 GOLF COURSE RD
Grand Rapids, MN 55744
  • Reassigned Medicare billing, Minnesota enrollment
  • 171 clinicians in this Medicare group
Multi-Specialty
24087 CUYUNA ST
Deerwood, MN 56444
  • Reassigned Medicare billing, Minnesota enrollment
  • Medicare enrollment name: St Josephs Medical Center
  • 340 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 12

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
2,355 services1,803 patients
Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152
This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.
99 services92 patients
Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist 93458
This procedure involves placing a tube into your left lower heart chamber and coronary artery. It helps doctors diagnose heart conditions by allowing them to view these areas in detail. A radiologist will review the images to ensure accurate diagnosis.
57 services56 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
48 services44 patients
Insertion of stents with balloon dilation of coronary artery or branch, single artery or branch 92928
This procedure involves placing a small, mesh tube (stent) in your coronary artery to keep it open. A balloon is used to expand the stent and artery, improving blood flow to your heart. It's typically done for a single artery or branch.
35 services30 patients
Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days 93244
A heart rhythm review involves monitoring your heart's electrical activity for more than 48 hours up to 7 days. Using a device called an external EKG, doctors can track your heartbeats to detect irregularities and help diagnose heart conditions.
35 services35 patients

Hospital Affiliations CMS Care Compare 5

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

Essentia Health St Mary's Medical Center

Acute Care Hospitals · Duluth, MN
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number240002
Location402 East Second StreetDuluth, MN 55805 · St. Louis County
Emergency services Birthing friendly

Essentia Health Duluth

Acute Care Hospitals · Duluth, MN
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number240019
Location502 East Second StreetDuluth, MN 55805 · St. Louis County
Birthing friendly

Essentia Health Sandstone

Critical Access Hospitals · Sandstone, MN
OwnershipVoluntary non-profit - Private
CMS Certification Number241309
Location705 Lundorff Drive SouthSandstone, MN 55072 · Pine County
Emergency services

Essentia Health Moose Lake

Critical Access Hospitals · Moose Lake, MN
OwnershipGovernment - Hospital District or Authority
CMS Certification Number241350
Location4572 County Road 61Moose Lake, MN 55767 · Carlton County
Emergency services Birthing friendly

Community Memorial Hospital

Critical Access Hospitals · Cloquet, MN
OwnershipVoluntary non-profit - Private
CMS Certification Number241364
Location512 Skyline BoulevardCloquet, MN 55720 · Carlton County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 55805 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
$127.61 typical visit price
range $56.00 – $168.28
Typical copayment $31.90 (range $14.00 – $42.07)
Most-billed visit code 99204
Established Patient
$98.61 typical visit price
range $18.32 – $138.04
Typical copayment $24.65 (range $4.58 – $34.51)
Most-billed visit code 99214
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 20

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

Nurse Anesthetist, Certified Registered
400 E 3RD ST
DULUTH, MN 55805
Anesthesiology
400 E 3RD ST
DULUTH, MN 55805
Internal Medicine (Infectious Disease)
400 E 3RD ST
DULUTH, MN 55805
Nurse Practitioner (Psychiatric/Mental Health)
400 E 3RD ST
DULUTH, MN 55805
Hospitalist
400 E 3RD ST
DULUTH, MN 55805
Radiology (Diagnostic Radiology)
400 E 3RD ST
DULUTH, MN 55805
Internal Medicine (Cardiovascular Disease)
400 E 3RD ST
DULUTH, MN 55805
Clinical Nurse Specialist (Medical-Surgical)
400 E 3RD ST
DULUTH, MN 55805

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 George Zawadowski's NPI number?

The NPI number for George Zawadowski is 1851604318. It was assigned to this individual provider in the NPPES registry on July 26, 2010.

Where is George Zawadowski located?

George Zawadowski practices at 400 E 3rd St, Duluth, MN 55805. The listed phone number is (218) 786-8364.

What is George Zawadowski's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.

Is George Zawadowski enrolled in Medicare?

Yes. George Zawadowski 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.

Which organizations bill Medicare for George Zawadowski's services?

According to the CMS Revalidation Reassignment List (October 2026 release), George Zawadowski reassigns Medicare benefits to 6 organizations: The Duluth Clinic, Ltd (Duluth, MN), St. Mary's Medical Center (Duluth, MN), Essentia Health Moose Lake (Moose Lake, MN), Essentia Health Virginia, LLC (Virginia, MN), Deer River Healthcare Center, Inc. (Grand Rapids, MN) and 1 more organization, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for George Zawadowski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does George Zawadowski accept?

Health plans from HealthPartners, Sanford Health Plan and Security Health Plan list George Zawadowski 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 George Zawadowski affiliated with any hospitals?

According to CMS data, George Zawadowski is affiliated with Essentia Health St Mary's Medical Center, Essentia Health Duluth, Essentia Health Sandstone, Essentia Health Moose Lake and Community Memorial Hospital.

When was this NPI record last updated?

The NPPES record for George Zawadowski was last updated on August 6, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years 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.