Procedure Volume Patient Data Patient Conditions Reviews General Payments Back to Top

Home > IL Providers > Family Physicians & Family Medicine Specialists

Dr. Jennifer Diana Szalkowski, MD

Accepting New Patients

(Jennifer D Szalkowski, MD)

(1 Rating)

Specializes in: Physician and Family Medicine

310 North Seven Hills Road Suite 220
O'Fallon, IL 62269

(618) 624-6181

Dr. Jennifer Diana Szalkowski, MD is a physician provider in O'Fallon, IL specializing in physician and family medicine. Dr. Jennifer Diana Szalkowski, MD is affiliated with BJC Medical Group Family Medicine at O'Fallon, IL.

Office Locations

310 North Seven Hills Road Suite 220
O'Fallon, IL 62269

open_in_new

1020 N Mason Rd Street
Louis, MO 63141

open_in_new

310 N 7 Hills Road Suite 220 O'fallon Il
O'Fallon, IL 62269

open_in_new

Noteworthy Medicare Patient Procedures Performed by Dr. Jennifer Diana Szalkowski, MD in 2024

Click on any procedure below to see further details on volume and pricing among Medicare patients.

Top 25%

By Affordability:

In 2012, Dr. Jennifer Diana Szalkowski, MD had a list price for flu shot, flu vaccine, immunization (preventive vaccines), and vaccines that was lower than the list prices billed to Medicare by 75% of providers in related specialties within Illinois. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Volume of procedures performed by Dr. Jennifer Diana Szalkowski, MD for Medicare patients.

doctor visit	153

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Jennifer Diana Szalkowski, MD treated as a physician provider in O'Fallon, IL during 2013 were blood draw.

Volume of procedures performed by Dr. Jennifer Diana Szalkowski, MD for Medicare patients.

blood draw	16
doctor visit	242

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Jennifer Diana Szalkowski, MD.

**Gender**
Male	53
Female	79

**Ethnicity**
Non-Hispanic White	104
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	58
From 75 to 84	23
85 and over	19
Less than 65	32

Conditions of Medicare patients treated by Dr. Jennifer Diana Szalkowski, MD in 2013

Hypertension	67
High Cholesterol	50
Stroke	0
Ischemic Heart Disease	22
Depression	21
Chronic Kidney Disease	17
Asthma	0
Osteoperosis	0
Atrial Fibrilation	8
Heart Failure	12
Chronic Obstructive Pulmonary Disease	13
Diabetes	31
Dementia	0
Cancer	15

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

Volume of procedures performed by Dr. Jennifer Diana Szalkowski, MD for Medicare patients.

doctor visit	227

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Jennifer Diana Szalkowski, MD.

**Gender**
Male	46
Female	82

**Ethnicity**
Non-Hispanic White	104
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	66
From 75 to 84	0
85 and over	0
Less than 65	38

Conditions of Medicare patients treated by Dr. Jennifer Diana Szalkowski, MD in 2014

Hypertension	61
High Cholesterol	47
Stroke	0
Ischemic Heart Disease	27
Depression	34
Chronic Kidney Disease	27
Asthma	10
Osteoperosis	0
Atrial Fibrilation	9
Heart Failure	10
Chronic Obstructive Pulmonary Disease	13
Diabetes	32
Dementia	0
Cancer	11

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Jennifer Diana Szalkowski, MD treated as a physician provider in O'Fallon, IL during 2015 were lab tests.

Volume of procedures performed by Dr. Jennifer Diana Szalkowski, MD for Medicare patients.

doctor visit	324
lab tests	37

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Jennifer Diana Szalkowski, MD.

**Gender**
Male	114
Female	274

**Ethnicity**
Non-Hispanic White	330
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	210
From 75 to 84	104
85 and over	28
Less than 65	46

Conditions of Medicare patients treated by Dr. Jennifer Diana Szalkowski, MD in 2015

Hypertension	64
High Cholesterol	54
Stroke	0
Ischemic Heart Disease	32
Depression	22
Chronic Kidney Disease	17
Asthma	9
Osteoperosis	0
Atrial Fibrilation	9
Heart Failure	18
Chronic Obstructive Pulmonary Disease	11
Diabetes	26
Dementia	9
Cancer	0

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Jennifer Diana Szalkowski, MD treated as a physician provider in O'Fallon, IL during 2016 were lab tests.

Volume of procedures performed by Dr. Jennifer Diana Szalkowski, MD for Medicare patients.

doctor visit	522
lab tests	33

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Jennifer Diana Szalkowski, MD.

**Gender**
Male	96
Female	166

**Ethnicity**
Non-Hispanic White	230
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	143
From 75 to 84	72
85 and over	20
Less than 65	27

Conditions of Medicare patients treated by Dr. Jennifer Diana Szalkowski, MD in 2016

Hypertension	63
High Cholesterol	54
Stroke	4
Ischemic Heart Disease	32
Depression	21
Chronic Kidney Disease	25
Asthma	16
Osteoperosis	0
Atrial Fibrilation	10
Heart Failure	18
Chronic Obstructive Pulmonary Disease	15
Diabetes	26
Dementia	9
Cancer	9

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Jennifer Diana Szalkowski, MD treated as a physician provider in O'Fallon, IL during 2017 were lab tests, preventive care and vaccines.

Volume of procedures performed by Dr. Jennifer Diana Szalkowski, MD for Medicare patients.

doctor visit	680
lab tests	68
preventive care	19
vaccines	19

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Jennifer Diana Szalkowski, MD.

**Gender**
Male	71
Female	145

**Ethnicity**
Non-Hispanic White	182
Black	19
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	126
From 75 to 84	48
85 and over	15
Less than 65	27

Conditions of Medicare patients treated by Dr. Jennifer Diana Szalkowski, MD in 2017

Hypertension	67
High Cholesterol	59
Stroke	0
Ischemic Heart Disease	31
Depression	29
Chronic Kidney Disease	30
Asthma	6
Osteoperosis	6
Atrial Fibrilation	8
Heart Failure	16
Chronic Obstructive Pulmonary Disease	11
Diabetes	28
Dementia	10
Cancer	10

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Jennifer Diana Szalkowski, MD treated as a physician provider in O'Fallon, IL during 2018 were lab tests, preventive care and vaccines.

Volume of procedures performed by Dr. Jennifer Diana Szalkowski, MD for Medicare patients.

doctor visit	712
lab tests	40
preventive care	29
vaccines	29

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Jennifer Diana Szalkowski, MD.

**Gender**
Male	79
Female	163

**Ethnicity**
Non-Hispanic White	209
Black	22
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	144
From 75 to 84	52
85 and over	19
Less than 65	27

Conditions of Medicare patients treated by Dr. Jennifer Diana Szalkowski, MD in 2018

Hypertension	66
High Cholesterol	63
Stroke	5
Ischemic Heart Disease	31
Depression	25
Chronic Kidney Disease	29
Asthma	7
Osteoperosis	6
Atrial Fibrilation	7
Heart Failure	14
Chronic Obstructive Pulmonary Disease	8
Diabetes	29
Dementia	10
Cancer	8

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Jennifer Diana Szalkowski, MD treated as a physician provider in O'Fallon, IL during 2019 were preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. Jennifer Diana Szalkowski, MD for Medicare patients.

doctor visit	579
lab tests	32
preventive care	58
vaccines	43

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Jennifer Diana Szalkowski, MD.

**Gender**
Male	76
Female	171

**Ethnicity**
Non-Hispanic White	209
Black	21
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	150
From 75 to 84	52
85 and over	19
Less than 65	26

Conditions of Medicare patients treated by Dr. Jennifer Diana Szalkowski, MD in 2019

Hypertension	67
High Cholesterol	65
Stroke	0
Ischemic Heart Disease	26
Depression	25
Chronic Kidney Disease	27
Asthma	6
Osteoperosis	9
Atrial Fibrilation	6
Heart Failure	9
Chronic Obstructive Pulmonary Disease	11
Diabetes	28
Dementia	9
Cancer	7

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Jennifer Diana Szalkowski, MD treated as a physician provider in O'Fallon, IL during 2020 were preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. Jennifer Diana Szalkowski, MD for Medicare patients.

doctor visit	381
lab tests	18
preventive care	91
vaccines	91

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Jennifer Diana Szalkowski, MD.

**Gender**
Male	85
Female	172

**Ethnicity**
Non-Hispanic White	226
Black	19
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	157
From 75 to 84	59
85 and over	19
Less than 65	22

Conditions of Medicare patients treated by Dr. Jennifer Diana Szalkowski, MD in 2020

Hypertension	65
High Cholesterol	69
Stroke	0
Ischemic Heart Disease	31
Depression	25
Chronic Kidney Disease	27
Asthma	7
Osteoperosis	6
Atrial Fibrilation	8
Heart Failure	11
Chronic Obstructive Pulmonary Disease	10
Diabetes	34
Dementia	5
Cancer	8

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Jennifer Diana Szalkowski, MD treated as a physician provider in O'Fallon, IL during 2021 were preventive care, vaccines, lab tests and cardiac procedures.

Volume of procedures performed by Dr. Jennifer Diana Szalkowski, MD for Medicare patients.

cardiac procedures	15
doctor visit	389
lab tests	17
preventive care	110
vaccines	79

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Jennifer Diana Szalkowski, MD.

**Gender**
Male	90
Female	183

**Ethnicity**
Non-Hispanic White	238
Black	18
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	166
From 75 to 84	67
85 and over	16
Less than 65	24

Conditions of Medicare patients treated by Dr. Jennifer Diana Szalkowski, MD in 2021

Hypertension	63
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	29
Depression	27
Chronic Kidney Disease	27
Asthma	7
Osteoperosis	9
Atrial Fibrilation	8
Heart Failure	12
Chronic Obstructive Pulmonary Disease	8
Diabetes	32
Dementia	6
Cancer	9

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Jennifer Diana Szalkowski, MD treated as a physician provider in O'Fallon, IL during 2022 were preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. Jennifer Diana Szalkowski, MD for Medicare patients.

doctor visit	405
lab tests	23
preventive care	79
vaccines	79

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Jennifer Diana Szalkowski, MD.

**Gender**
Male	75
Female	190

**Ethnicity**
Non-Hispanic White	230
Black	15
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	161
From 75 to 84	72
85 and over	14
Less than 65	18

Conditions of Medicare patients treated by Dr. Jennifer Diana Szalkowski, MD in 2022

Hypertension	65
High Cholesterol	75
Stroke	5
Ischemic Heart Disease	24
Depression	23
Chronic Kidney Disease	23
Asthma	11
Osteoperosis	14
Atrial Fibrilation	12
Heart Failure	11
Chronic Obstructive Pulmonary Disease	11
Diabetes	29
Dementia	6
Cancer	12

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Jennifer Diana Szalkowski, MD treated as a physician provider in O'Fallon, IL during 2023 were preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. Jennifer Diana Szalkowski, MD for Medicare patients.

doctor visit	375
lab tests	13
preventive care	60
vaccines	49

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Jennifer Diana Szalkowski, MD.

**Gender**
Male	80
Female	191

**Ethnicity**
Non-Hispanic White	235
Black	15
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	166
From 75 to 84	70
85 and over	19
Less than 65	16

Conditions of Medicare patients treated by Dr. Jennifer Diana Szalkowski, MD in 2023

Hypertension	68
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	25
Depression	19
Chronic Kidney Disease	23
Asthma	11
Osteoperosis	13
Atrial Fibrilation	14
Heart Failure	10
Chronic Obstructive Pulmonary Disease	10
Diabetes	30
Dementia	6
Cancer	13

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Jennifer Diana Szalkowski, MD treated as a physician provider in O'Fallon, IL during 2024 were preventive care and vaccines.

Volume of procedures performed by Dr. Jennifer Diana Szalkowski, MD for Medicare patients.

doctor visit	371
preventive care	36
vaccines	23

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Jennifer Diana Szalkowski, MD.

**Gender**
Male	74
Female	164

**Ethnicity**
Non-Hispanic White	207
Black	15
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	135
From 75 to 84	71
85 and over	18
Less than 65	14

Conditions of Medicare patients treated by Dr. Jennifer Diana Szalkowski, MD in 2024

Hypertension	72
High Cholesterol	75
Stroke	5
Ischemic Heart Disease	29
Depression	22
Chronic Kidney Disease	28
Asthma	11
Osteoperosis	18
Atrial Fibrilation	13
Heart Failure	14
Chronic Obstructive Pulmonary Disease	13
Diabetes	33
Dementia	7
Cancer	12

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Jennifer Diana Szalkowski, MD for Medicare patients.

The highest averages for the top procedures that Dr. Jennifer Diana Szalkowski, MD treated as a physician provider in O'Fallon, IL were preventive care, vaccines, lab tests and blood draw.

blood draw	16
cardiac procedures	15
doctor visit	412
lab tests	31
preventive care	60
vaccines	51

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Jennifer Diana Szalkowski, MD.

**Gender**
Male	72
Female	152

**Ethnicity**
Black / African American	11
Asian / Pacific Islander	0
Non-Hispanic White	192
Hispanic	0
Native American / Alaskan Native	0
Other	0

**Age**
85 and over	15
75 to 84	53
Less than 65	24
65 to 74	129

Average of Total of Conditions of Medicare patients treated by Dr. Jennifer Diana Szalkowski, MD From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. Jennifer Diana Szalkowski, MD treated were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension	60
High Cholesterol	58
Stroke	1
Ischemic Heart Disease	26
Depression	22
Chronic Kidney Disease	23
Asthma	7
Osteoporosis	6
Heart Failure	11
Chronic Obstructive Pulmonary Disease	10
Diabetes	27
Atrial Fibrillation	8
Cancer	8
Dementia	5

Education & Training

She has a state license in Illinois.

Licensed In: Illinois

Ratings & Reviews

Dr. Jennifer Diana Szalkowski, MD has an average of 1.0 out of 5 stars based on 1 ratings. We collect ratings and reviews of Dr. Jennifer Diana Szalkowski, MD from all over the web to help you find the right in O'Fallon, IL.

Overall Rating

(1 Rating)

Leave a Review

General Payments

These charts describe general payments received by Dr. Jennifer Diana Szalkowski, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
AbbVie Inc.	$445 QULIPTA $361	UBRELVY $84
Novo Nordisk Inc	$251 Victoza $83	NovoLog Mix 70 30 $57	Saxenda $42	Wegovy $23	Tresiba $20	Other $25
GlaxoSmithKline, LLC.	$182 SHINGRIX $90	AREXVY $35	BREO $30	BEXSERO $27
Lilly USA, LLC	$140 TRULICITY $77	ZEPBOUND $33	JARDIANCE $18	EMGALITY $11
FOREST PHARMACEUTICALS, INC.	$116 DALIRESP $42	VIIBRYD $39	NAMENDA XR $18	LINZESS $17
Other	$809 BEVESPI AEROSPHERE $96	Prolia $65	TOUJEO $46	Synthroid $40	Contrave $31	Other $531

**Types of Payments**
Food and Beverage	$1,942

Biography

Jennifer Szalkowski, MD, is a board-certified family medicine physician who treats patients of all ages, from newborns to adults. She provides preventative care, including annual wellness exams, vaccinations, and school and sports physicals. She treats a wide range of conditions, including cold and flu symptoms, asthma, allergies, ADHD, heart disease, high cholesterol, COPD, thyroid disease, obesity, osteoporosis and anxiety, depression and other mental health issues. She also performs gynecological care and women’s health. This practice is a part of BJC Medical Group of Illinois.

Select Year:

Dr. Jennifer Diana Szalkowski, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Jennifer Diana Szalkowski, MD in 2024

By Affordability:

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jennifer Diana Szalkowski, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jennifer Diana Szalkowski, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jennifer Diana Szalkowski, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jennifer Diana Szalkowski, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jennifer Diana Szalkowski, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jennifer Diana Szalkowski, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jennifer Diana Szalkowski, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jennifer Diana Szalkowski, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jennifer Diana Szalkowski, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jennifer Diana Szalkowski, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jennifer Diana Szalkowski, MD in 2023

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

2024 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jennifer Diana Szalkowski, MD in 2024

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Average Medicare Patient Data From 2012 - 2024

Average of Total of Conditions of Medicare patients treated by Dr. Jennifer Diana Szalkowski, MD From 2012 - 2024

Education & Training

Ratings & Reviews

General Payments

Biography

Family Physicians & Family Medicine Specialists in Nearby Locations

Other Providers in O'Fallon, IL