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Dr. ZBIGNIEW M CIECHANOWSKI M.D.
NPI 1467452573
Internal Medicine in St Charles, IL

Active since July 29, 2005PECOS Enrolled
2020 DEAN ST, SUITE G, ST CHARLES, IL 60174 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 13, 2026, Sep 11, 2025 (2 updates tracked since 2025).

About Dr. Zbigniew M Ciechanowski M.d. NPPES

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

Dr. ZBIGNIEW M CIECHANOWSKI M.D. (NPI 1467452573) is an individual internal medicine provider in St Charles, Illinois, licensed in Illinois (036106922) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS, is affiliated with Northwestern Medicine Mchenry, and is a graduate of Other (1984).

NPPES Registry Identity

NPI1467452573
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDr. ZBIGNIEW M CIECHANOWSKICredential: M.D.
Location Address2020 DEAN ST, SUITE GSt Charles, IL 60174-1665
Mailing Address2020 Dean St, Suite GSt Charles, IL 60174-1665 · (630) 513-0298 · Fax (630) 578-6701
Phone(630) 513-0298
Fax(630) 578-6701
Sole ProprietorNo
Medical School CMSOtherGraduated 1984
Enumeration DateJuly 29, 2005
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
✔ NPI 1467452573 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in IL · 036106922
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedPediatricsTaxonomy 208000000X · License 036106922 (IL)
2020 DEAN ST, St Charles, IL 60174
Open in Google Maps ↗

Other Identifiers 1

Medicaid7316904081IL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Zbigniew M Ciechanowski M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3476452681
PECOS Enrollment IDI20040806001271
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 Reassignment

Medicare enrollment records show Zbigniew Ciechanowski reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Fox Valley Adult And Pediatric Medicine PC
Same address
Internal Medicine
2020 DEAN ST. STE G
St. Charles, IL 60174
  • Reassigned Medicare billing, Illinois enrollment
NPI 1558546952 (630) 513-0298

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 4

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
301 services95 patients
Automated urinalysis test 81003
An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.
106 services67 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
101 services66 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
41 services36 patients

Hospital Affiliations CMS Care Compare 3

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

Northwestern Medicine Mchenry

Acute Care Hospitals · Mchenry, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number140116
Location4201 Medical Center DriveMchenry, IL 60050 · Mc Henry County
Emergency services Birthing friendly

Northwestern Medicine Delnor Community Hospital

Acute Care Hospitals · Geneva, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140211
Location300 Randall RdGeneva, IL 60134 · Kane County
Emergency services Birthing friendly

Northwestern Medicine Central Dupage Hospital

Acute Care Hospitals · Winfield, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140242
Location25 North Winfield RoadWinfield, IL 60190 · Du Page County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60174 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
$137.43 typical visit price
range $59.81 – $181.38
Typical copayment $34.35 (range $14.95 – $45.34)
Most-billed visit code 99204
Established Patient
$105.07 typical visit price
range $19.15 – $147.12
Typical copayment $26.26 (range $4.78 – $36.78)
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.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
6 suppliers21 claims56 services$5.53 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
1 supplier11 claims11 services$184.78 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Zbigniew Ciechanowski's NPI number?

The NPI number for Zbigniew Ciechanowski is 1467452573. It was assigned to this individual provider in the NPPES registry on July 29, 2005.

Where is Zbigniew Ciechanowski located?

Zbigniew Ciechanowski practices at 2020 Dean St Suite G, St Charles, IL 60174. The listed phone number is (630) 513-0298.

What is Zbigniew Ciechanowski's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Zbigniew Ciechanowski enrolled in Medicare?

Yes. Zbigniew Ciechanowski is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Zbigniew Ciechanowski's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Zbigniew Ciechanowski reassigns Medicare benefits to Fox Valley Adult And Pediatric Medicine PC (St. Charles, IL). The 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 Zbigniew Ciechanowski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Zbigniew Ciechanowski accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Zbigniew Ciechanowski 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 Zbigniew Ciechanowski affiliated with any hospitals?

According to CMS data, Zbigniew Ciechanowski is affiliated with Northwestern Medicine Mchenry, Northwestern Medicine Delnor Community Hospital and Northwestern Medicine Central Dupage Hospital.

When was this NPI record last updated?

The NPPES record for Zbigniew Ciechanowski was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.