Active NPI 1821021007 Individual Practitioner Male Practitioner

Dr. George Czajkowski , MD

Internal Medicine • Chicago, IL

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. George Czajkowski, MD is a certified Internal Medicine practicing in Chicago, IL. With approximately 44 years of clinical experience since completing medical education in 1982, Dr. Czajkowski delivers high-quality medical care to the local community at 4025 N WESTERN AVE.

Dr. Czajkowski is affiliated with Advocate Health And Hospitals Corporation and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include insertion of needle into vein for collection of blood sample, established patient outpatient office visit, annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

4025 N Western Ave

Chicago, IL 606183726

Telephone 7732757700

Associated Practice Facility / Clinic

🏢 Advocate Health And Hospitals Corporation Facility NPI 1639940588

Medicare Profile & Education

Medical School

Other

Graduation Year

1982

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Chicago, IL

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

44 Yrs +22.2 yrs vs City Avg

City Avg: 21.8 Yrs

State Avg: 28.9 Yrs

Regional Practice Density

2969 Specialists

Practicing in Chicago, IL (7544 Statewide)

Telehealth Adoption Rate

12.8% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

57.2% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Czajkowski (44 Years) 44 Yrs

Chicago Specialty Average (21.8 Years) 21.8 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	258	158	$22.00	$8.35
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	254	134	$279.00	$129.53
99213 Established patient office or other outpatient visit, typically 15 minutes	219	126	$197.73	$91.05
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	119	119	$332.00	$131.36
G0008 Administration of influenza virus vaccine	49	49	$60.00	$33.01
90662 Influenza vaccine split virus, preservative free	48	48	$125.00	$79.29
91322 Sarscov2 vac 50 mcg/0.5ml im	43	43	$250.00	$152.94
90480 Admn sarscov2 vacc 1 dose	43	43	$85.00	$43.89
83036 Hemoglobin A1C level	43	31	$68.00	$8.86
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	13	13	$371.00	$131.04
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	12	12	$498.00	$169.79

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	249	145	$177.79	$93.16
36415 Insertion of needle into vein for collection of blood sample	215	138	$22.00	$8.24
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	214	124	$258.64	$132.92
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	123	123	$316.00	$132.75
G0008 Administration of influenza virus vaccine	49	48	$51.65	$32.32
90662 Influenza vaccine split virus, preservative free	47	46	$106.04	$71.71
83036 Hemoglobin A1C level	46	38	$68.00	$9.31
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use	18	18	$373.00	$281.55
G0009 Administration of pneumococcal vaccine	17	17	$46.35	$32.32
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	16	13	$118.00	$59.01
93000 Routine ekg using at least 12 leads including interpretation and report	14	13	$82.00	$15.33

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	250	146	$161.00	$95.41
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	181	112	$235.00	$133.96
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	138	138	$316.00	$136.11
93793 Anticoagulant management of patient taking warfarin	115	11	$26.00	$11.89
85610 Blood test, clotting time	113	11	$34.00	$4.24
G0008 Administration of influenza virus vaccine	52	51	$41.00	$31.07
90662 Influenza vaccine split virus, preservative free	48	47	$73.00	$68.40
G0009 Administration of pneumococcal vaccine	33	32	$41.00	$31.16
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use	28	28	$346.00	$278.56
93000 Routine ekg using at least 12 leads including interpretation and report	26	26	$82.00	$15.43
36415 Insertion of needle into vein for collection of blood sample	18	16	$22.00	$2.81
83036 Hemoglobin A1C level	16	15	$68.00	$8.93
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	12	12	$112.00	$55.67
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	11	11	$474.00	$176.16

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	246	148	$224.00	$138.80
99213 Established patient office or other outpatient visit, typically 15 minutes	187	121	$153.00	$97.92
85610 Blood test, clotting time	139	12	$34.00	$4.29
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	60	60	$316.00	$141.06
G0008 Administration of influenza virus vaccine	47	46	$41.06	$17.93
90662 Influenza vaccine split virus, preservative free	46	45	$73.00	$65.17
93000 Routine ekg using at least 12 leads including interpretation and report	18	18	$82.00	$16.05
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	16	16	$159.00	$116.55
G0009 Administration of pneumococcal vaccine	14	14	$41.00	$17.88

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	238	136	$211.78	$113.73
99213 Established patient office or other outpatient visit, typically 15 minutes	129	94	$144.45	$80.30
G0008 Administration of influenza virus vaccine	58	55	$41.00	$17.63
90662 Influenza vaccine split virus, preservative free	53	50	$69.45	$60.18
85610 Blood test, clotting time	53	12	$34.00	$4.27
99441 Telephone medical discussion with physician, 5-10 minutes	46	39	$63.00	$47.71
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	41	41	$316.00	$122.73
93000 Routine ekg using at least 12 leads including interpretation and report	29	28	$82.00	$18.33
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	26	25	$155.65	$118.08
G0009 Administration of pneumococcal vaccine	26	25	$41.00	$17.60
99442 Telephone medical discussion with physician, 11-20 minutes	17	14	$102.00	$75.51

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	389	187	$203.38	$113.91
99213 Established patient office or other outpatient visit, typically 15 minutes	203	114	$136.00	$77.18
G0008 Administration of influenza virus vaccine	81	79	$41.00	$17.33
85610 Blood test, clotting time	76	15	$34.00	$4.28
90662 Influenza vaccine split virus, preservative free	72	70	$67.75	$54.57
93793 Anticoagulant management of patient taking warfarin	45	12	$26.00	$12.76
93000 Routine ekg using at least 12 leads including interpretation and report	42	38	$82.00	$18.25
G0009 Administration of pneumococcal vaccine	40	40	$41.00	$17.33
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	26	20	$92.00	$47.85
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	25	25	$150.68	$111.68
90670 Pneumococcal vaccine for injection into muscle	15	15	$318.00	$207.68
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	14	14	$316.00	$122.92
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	12	12	$215.00	$116.08

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	368	180	$194.58	$112.91
36415 Insertion of needle into vein for collection of blood sample	289	160	$14.49	$2.93
99213 Established patient office or other outpatient visit, typically 15 minutes	275	135	$133.02	$76.09
85610 Blood test, clotting time	127	24	$30.31	$4.75
G0008 Administration of influenza virus vaccine	73	72	$41.00	$21.31
90662 Influenza vaccine split virus, preservative free	69	68	$64.06	$50.48
93793 Anticoagulant management of patient taking warfarin	56	14	$26.00	$12.61
G0009 Administration of pneumococcal vaccine	45	45	$41.00	$21.31
93000 Routine ekg using at least 12 leads including interpretation and report	32	32	$79.00	$18.11
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	27	27	$149.00	$101.68
71046 X-ray of chest, 2 views	23	20	$42.00	$20.52
90670 Pneumococcal vaccine for injection into muscle	20	20	$318.00	$190.35
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	19	18	$90.16	$46.28
82962 Blood glucose (sugar) test performed by hand-held instrument	17	12	$19.00	$3.02
77067 Screening mammography	16	16	$400.00	$103.18
77063 Screening digital tomography of both breasts	12	12	$100.00	$25.90

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	383	196	$184.00	$112.39
36415 Insertion of needle into vein for collection of blood sample	335	191	$13.00	$2.94
85610 Blood test, clotting time	292	30	$30.00	$5.28
99213 Established patient office or other outpatient visit, typically 15 minutes	252	140	$129.00	$76.80
G0008 Administration of influenza virus vaccine	82	78	$41.00	$26.10
90662 Influenza vaccine split virus, preservative free	74	70	$60.00	$46.82
93000 Routine ekg using at least 12 leads including interpretation and report	44	41	$78.00	$18.12
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	33	28	$87.00	$45.66
G0009 Administration of pneumococcal vaccine	27	27	$41.00	$26.42
82962 Blood glucose (sugar) test performed by hand-held instrument	27	16	$19.00	$3.15
71020 X-ray of chest, 2 views, front and side	24	21	$105.00	$17.93
G0202 Screening mammography, bilateral (2-view study of each breast), including computer-aided detection (cad) when performed	18	18	$400.00	$102.35
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	14	14	$149.00	$95.00
90670 Pneumococcal vaccine for injection into muscle	13	13	$312.15	$185.30

Medical Specialties & State Licenses

CMS Verified: 2021-12-26

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License IL 036-069503

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.

Hospital & Practice Group Affiliations

Advocate Health And Hospitals Corporation

4025 N Western Ave, Chicago, IL 606183726

Phone: 7732757700

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

34 Associated Practitioners

Dr. Kumar Lal , MD

Internal Medicine - Pulmonary Disease

NPI 1023541398

Doctor of Medicine (M.D.)

Dr. Philip Rosen , MD

Ophthalmology

NPI 1043220395

Doctor of Medicine (M.D.)

Dr. Bharathi Samy , MD

Obstetrics & Gynecology

NPI 1043222474

Doctor of Medicine (M.D.)

Dr. Danuta Kowalski , MD

Internal Medicine

NPI 1114947926

Doctor of Medicine (M.D.)

Dr. Mike Kim , MD

Family Medicine

NPI 1134396112

Doctor of Medicine (M.D.)

Dr. Sarah Jorgenson , MD

Internal Medicine

NPI 1205281706

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

7 Historical Events

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) December 26, 2021

Internal Medicine (License #036-069503 in IL)

✅

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location July 08, 2007

Registered at 4025 N WESTERN AVE, CHICAGO, IL 606183726 (Tel: 7732757700)

📍

Updated Business Mailing Address July 08, 2007

Registered at 2311 W 22ND ST, SUITE 202, OAK BROOK, IL 605231225 (Tel: 6303201160)

👤

Provider Name / Credentials Updated July 08, 2007

Recorded as GEORGE CZAJKOWSKI, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Internal Medicine

🟢

Initial NPI Registration & Enumeration July 09, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1821021007

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: July 09, 2006

Last Update: December 26, 2021

Sole Proprietor: No

Update or Correct Profile

Mailing Address

2311 W 22nd St, Suite 202

Oak Brook, IL 605231225

Phone: 6303201160

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.