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GEORGE CZAJKOWSKI M.D.
NPI 1821021007
Internal Medicine in Chicago, IL

Active since July 09, 2006PECOS EnrolledAccepts Medicare Assignment
4025 N WESTERN AVE, CHICAGO, IL 60618(773) 275-7700 Get Directions Write a Review

NPPES record last updated: December 26, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About George Czajkowski M.d. NPPES

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

GEORGE CZAJKOWSKI M.D. (NPI 1821021007) is an individual internal medicine provider in Chicago, Illinois, licensed in Illinois (036-069503) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Advocate Illinois Masonic Medical Center, and is a graduate of Other (1982).

NPPES Registry Identity

NPI1821021007
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameGEORGE CZAJKOWSKICredential: M.D.
Location Address4025 N WESTERN AVEChicago, IL 60618-3726
Mailing Address2311 W 22nd St, Suite 202Oak Brook, IL 60523-1225 · (630) 320-1160
Phone(773) 275-7700
Sole ProprietorNo
Medical School CMSOtherGraduated 1982
Enumeration DateJuly 9, 2006
Last NPPES UpdateDecember 26, 2021
NPPES CertifiedDecember 26, 2021
✔ NPI 1821021007 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in IL · 036-069503
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.
4025 N WESTERN AVE, Chicago, IL 60618
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Accepted Insurance

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

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

George Czajkowski M.d. 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 ID9739220146
PECOS Enrollment IDI20100107000451
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.

Areas of Expertise CMS Part B claims 9

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.

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.
258 services158 patients
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.
254 services134 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
219 services126 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
119 services119 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
49 services49 patients
Influenza vaccine split virus, preservative free 90662
The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.
48 services48 patients

Hospital Affiliations CMS Care Compare 2

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

Advocate Illinois Masonic Medical Center

Acute Care Hospitals · Chicago, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140182
Location836 West Wellington AvenueChicago, IL 60657 · Cook County
Emergency services Birthing friendly

Advocate Lutheran General Hospital

Acute Care Hospitals · Park Ridge, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140223
Location1775 Dempster StPark Ridge, IL 60068 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60618 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
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
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 6

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
19 suppliers40 claims83 services$5.46 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
13 suppliers19 claims20 services$0.87 avg. paid by Medicare
Nebulizer, with compressor E0570
DME-Other DME · category DE000N
2 suppliers20 claims22 services$3.46 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
3 suppliers16 claims16 services$54.22 avg. paid by Medicare
Lightweight wheelchair K0003
DME-Wheelchairs · category DD000N
1 supplier11 claims11 services$29.44 avg. paid by Medicare
Portable gaseous oxygen system, rental; home compressor used to fill portable oxygen cylinders; includes portable containers, regulator, flowmeter, humidifier, cannula or mask, and tubing K0738
DME-Oxygen and Supplies · category DC000N
1 supplier12 claims12 services$28.24 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

PHILIP ROSEN M.D.
Ophthalmology
4025 N WESTERN AVE
CHICAGO, IL 60618
Cook County (773) 275-7700
BHARATHI SAMY M.D.
Obstetrics & Gynecology
4025 N WESTERN AVE, BLDG E.
CHICAGO, IL 60618
Cook County (773) 275-7700
DANUTA KOWALSKI M.D.
Internal Medicine
4025 N WESTERN AVE
CHICAGO, IL 60618
Cook County (773) 275-7700
DR. MIKE TAE SEOK KIM M.D.
Family Medicine
4025 N WESTERN AVE
CHICAGO, IL 60618
Cook County (773) 275-7700
LUCILA AVILA
Nurse Practitioner (Family)
4025 N WESTERN AVE
CHICAGO, IL 60618
Cook County (773) 275-7700
DR. DANIEL LEE GARRISON MD
Internal Medicine
4025 N WESTERN AVE
CHICAGO, IL 60618
Cook County (773) 275-7700
CONSTANCE RENEE MCFARLAND PA-C
Physician Assistant
4025 N WESTERN AVE
CHICAGO, IL 60618
Cook County (773) 275-7700
SHUANG ANNIE YAO M.D.
Family Medicine
4025 N WESTERN AVE
CHICAGO, IL 60618
Cook County (773) 275-7700

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 Czajkowski's NPI number?

The NPI number for George Czajkowski is 1821021007. It was assigned to this individual provider in the NPPES registry on July 9, 2006.

Where is George Czajkowski located?

George Czajkowski practices at 4025 N Western Ave, Chicago, IL 60618. The listed phone number is (773) 275-7700.

What is George Czajkowski's specialty?

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

Is George Czajkowski enrolled in Medicare?

Yes. George Czajkowski 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.

What insurance does George Czajkowski accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Home State Health list George Czajkowski 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 Czajkowski affiliated with any hospitals?

According to CMS data, George Czajkowski is affiliated with Advocate Illinois Masonic Medical Center and Advocate Lutheran General Hospital.

When was this NPI record last updated?

The NPPES record for George Czajkowski was last updated on December 26, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.