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

Home > IL Providers > Family Physicians & Family Medicine Specialists

Dr. Jennifer S. Fredericks, MD

Accepting New Patients

(Jennifer S. Fredericks, MD)

(101 Ratings)

Specializes in: Physician and Family Medicine

Loyola University Chicago, Stritch School of Medicine (1999)

820 S IL Rte 59 Suite A
Bartlett, IL 60103

(630) 483-5930

Dr. Jennifer S. Fredericks, MD is a physician provider in Bartlett, IL specializing in physician and family medicine. She graduated from Loyola University Chicago, Stritch School of Medicine in 1999 and has 27 years of experience. Dr. Jennifer S. Fredericks, MD is affiliated with Northwestern Medicine and Northwestern Medicine Regional Medical Group.

Office Locations

820 S IL Rte 59 Suite A
Bartlett, IL 60103

open_in_new

Noteworthy Medicare Patient Procedures Performed by Dr. Jennifer S. Fredericks, MD in 2024

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

Top 25%

By Volume:

flu shot

preventive care

By Affordability:

Welcome to Medicare visit

wellness visit

In 2012, among providers in related specialties within Illinois, Dr. Jennifer S. Fredericks, MD performed more flu shot, and preventive care procedures for Medicare patients than 75% of them and she also had a list price for Welcome to Medicare visit (initial preventive physical exam), and wellness visit that was lower than the list prices billed to Medicare by 75% of them. 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

The top procedures that Dr. Jennifer S. Fredericks, MD treated as a physician provider in Bartlett, IL during 2012 were lab tests, preventive care, hospital care and inpatient care.

Volume of procedures performed by Dr. Jennifer S. Fredericks, MD for Medicare patients.

diabetes management	27
doctor visit	417
hospital care	120
inpatient care	120
lab tests	160
preventive care	124
vaccines	85

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Jennifer S. Fredericks, MD treated as a physician provider in Bartlett, IL during 2013 were lab tests, preventive care, vaccines and diabetes management.

Volume of procedures performed by Dr. Jennifer S. Fredericks, MD for Medicare patients.

diabetes management	28
doctor visit	318
lab tests	141
preventive care	105
vaccines	66

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Jennifer S. Fredericks, MD.

**Gender**
Male	41
Female	170

**Ethnicity**
Non-Hispanic White	190
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	108
From 75 to 84	64
85 and over	13
Less than 65	26

Conditions of Medicare patients treated by Dr. Jennifer S. Fredericks, MD in 2013

Hypertension	66
High Cholesterol	65
Stroke	0
Ischemic Heart Disease	19
Depression	18
Chronic Kidney Disease	13
Asthma	9
Osteoperosis	8
Atrial Fibrilation	13
Heart Failure	11
Chronic Obstructive Pulmonary Disease	11
Diabetes	26
Dementia	9
Cancer	12

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Jennifer S. Fredericks, MD treated as a physician provider in Bartlett, IL during 2014 were preventive care, vaccines, lab tests and diabetes management.

Volume of procedures performed by Dr. Jennifer S. Fredericks, MD for Medicare patients.

diabetes management	30
doctor visit	357
lab tests	51
preventive care	95
vaccines	65

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Jennifer S. Fredericks, MD.

**Gender**
Male	43
Female	159

**Ethnicity**
Non-Hispanic White	181
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	112
From 75 to 84	59
85 and over	13
Less than 65	18

Conditions of Medicare patients treated by Dr. Jennifer S. Fredericks, MD in 2014

Hypertension	65
High Cholesterol	62
Stroke	0
Ischemic Heart Disease	16
Depression	19
Chronic Kidney Disease	13
Asthma	7
Osteoperosis	7
Atrial Fibrilation	10
Heart Failure	9
Chronic Obstructive Pulmonary Disease	13
Diabetes	22
Dementia	0
Cancer	14

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Jennifer S. Fredericks, MD treated as a physician provider in Bartlett, IL during 2015 were preventive care, vaccines, lab tests and diabetes management.

Volume of procedures performed by Dr. Jennifer S. Fredericks, MD for Medicare patients.

diabetes management	30
doctor visit	342
lab tests	62
preventive care	163
vaccines	133

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Jennifer S. Fredericks, MD.

**Gender**
Male	66
Female	332

**Ethnicity**
Non-Hispanic White	368
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	222
From 75 to 84	100
85 and over	40
Less than 65	36

Conditions of Medicare patients treated by Dr. Jennifer S. Fredericks, MD in 2015

Hypertension	64
High Cholesterol	60
Stroke	0
Ischemic Heart Disease	17
Depression	20
Chronic Kidney Disease	14
Asthma	8
Osteoperosis	8
Atrial Fibrilation	7
Heart Failure	10
Chronic Obstructive Pulmonary Disease	9
Diabetes	29
Dementia	0
Cancer	15

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Jennifer S. Fredericks, MD treated as a physician provider in Bartlett, IL during 2016 were preventive care, vaccines, lab tests and diabetes management.

Volume of procedures performed by Dr. Jennifer S. Fredericks, MD for Medicare patients.

diabetes management	48
doctor visit	475
lab tests	72
preventive care	183
vaccines	135

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Jennifer S. Fredericks, MD.

**Gender**
Male	38
Female	192

**Ethnicity**
Non-Hispanic White	205
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	129
From 75 to 84	61
85 and over	20
Less than 65	20

Conditions of Medicare patients treated by Dr. Jennifer S. Fredericks, MD in 2016

Hypertension	63
High Cholesterol	59
Stroke	0
Ischemic Heart Disease	18
Depression	18
Chronic Kidney Disease	18
Asthma	11
Osteoperosis	11
Atrial Fibrilation	7
Heart Failure	9
Chronic Obstructive Pulmonary Disease	11
Diabetes	27
Dementia	6
Cancer	14

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Jennifer S. Fredericks, MD treated as a physician provider in Bartlett, IL during 2017 were preventive care, vaccines, lab tests and diabetes management.

Volume of procedures performed by Dr. Jennifer S. Fredericks, MD for Medicare patients.

chronic care	22
diabetes management	32
doctor visit	535
lab tests	68
preventive care	165
vaccines	121

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Jennifer S. Fredericks, MD.

**Gender**
Male	43
Female	201

**Ethnicity**
Non-Hispanic White	220
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	132
From 75 to 84	65
85 and over	24
Less than 65	23

Conditions of Medicare patients treated by Dr. Jennifer S. Fredericks, MD in 2017

Hypertension	66
High Cholesterol	57
Stroke	0
Ischemic Heart Disease	14
Depression	21
Chronic Kidney Disease	16
Asthma	6
Osteoperosis	7
Atrial Fibrilation	8
Heart Failure	9
Chronic Obstructive Pulmonary Disease	9
Diabetes	24
Dementia	6
Cancer	13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Jennifer S. Fredericks, MD treated as a physician provider in Bartlett, IL during 2018 were preventive care, vaccines, chronic care and lab tests.

Volume of procedures performed by Dr. Jennifer S. Fredericks, MD for Medicare patients.

chronic care	98
diabetes management	26
doctor visit	525
lab tests	40
preventive care	139
vaccines	113

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Jennifer S. Fredericks, MD.

**Gender**
Male	44
Female	203

**Ethnicity**
Non-Hispanic White	219
Black	0
Hispanic	0
Asian	0
Other	11
Native American	0

**Age**
From 65 to 74	133
From 75 to 84	70
85 and over	26
Less than 65	18

Conditions of Medicare patients treated by Dr. Jennifer S. Fredericks, MD in 2018

Hypertension	69
High Cholesterol	73
Stroke	0
Ischemic Heart Disease	19
Depression	17
Chronic Kidney Disease	16
Asthma	7
Osteoperosis	11
Atrial Fibrilation	12
Heart Failure	9
Chronic Obstructive Pulmonary Disease	11
Diabetes	24
Dementia	9
Cancer	15

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Jennifer S. Fredericks, MD treated as a physician provider in Bartlett, IL during 2019 were preventive care, vaccines, chronic care and lab tests.

Volume of procedures performed by Dr. Jennifer S. Fredericks, MD for Medicare patients.

chronic care	65
diabetes management	33
doctor visit	611
lab tests	33
preventive care	141
vaccines	97

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Jennifer S. Fredericks, MD.

**Gender**
Male	52
Female	213

**Ethnicity**
Non-Hispanic White	235
Black	0
Hispanic	0
Asian	0
Other	11
Native American	0

**Age**
From 65 to 74	136
From 75 to 84	83
85 and over	25
Less than 65	21

Conditions of Medicare patients treated by Dr. Jennifer S. Fredericks, MD in 2019

Hypertension	70
High Cholesterol	74
Stroke	0
Ischemic Heart Disease	19
Depression	21
Chronic Kidney Disease	19
Asthma	6
Osteoperosis	11
Atrial Fibrilation	11
Heart Failure	12
Chronic Obstructive Pulmonary Disease	13
Diabetes	24
Dementia	7
Cancer	13

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Jennifer S. Fredericks, MD treated as a physician provider in Bartlett, IL during 2020 were preventive care, vaccines, lab tests and diabetes management.

Volume of procedures performed by Dr. Jennifer S. Fredericks, MD for Medicare patients.

diabetes management	27
doctor visit	427
lab tests	42
preventive care	133
vaccines	106

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Jennifer S. Fredericks, MD.

**Gender**
Male	50
Female	219

**Ethnicity**
Non-Hispanic White	238
Black	0
Hispanic	0
Asian	0
Other	16
Native American	0

**Age**
From 65 to 74	142
From 75 to 84	84
85 and over	22
Less than 65	21

Conditions of Medicare patients treated by Dr. Jennifer S. Fredericks, MD in 2020

Hypertension	67
High Cholesterol	68
Stroke	0
Ischemic Heart Disease	19
Depression	23
Chronic Kidney Disease	16
Asthma	7
Osteoperosis	8
Atrial Fibrilation	9
Heart Failure	13
Chronic Obstructive Pulmonary Disease	10
Diabetes	25
Dementia	6
Cancer	13

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Jennifer S. Fredericks, MD treated as a physician provider in Bartlett, IL during 2021 were preventive care, vaccines, lab tests and diabetes management.

Volume of procedures performed by Dr. Jennifer S. Fredericks, MD for Medicare patients.

diabetes management	36
doctor visit	507
lab tests	51
preventive care	144
vaccines	97

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Jennifer S. Fredericks, MD.

**Gender**
Male	44
Female	208

**Ethnicity**
Non-Hispanic White	223
Black	0
Hispanic	0
Asian	0
Other	14
Native American	0

**Age**
From 65 to 74	136
From 75 to 84	80
85 and over	20
Less than 65	16

Conditions of Medicare patients treated by Dr. Jennifer S. Fredericks, MD in 2021

Hypertension	67
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	19
Depression	16
Chronic Kidney Disease	17
Asthma	8
Osteoperosis	11
Atrial Fibrilation	9
Heart Failure	12
Chronic Obstructive Pulmonary Disease	9
Diabetes	24
Dementia	7
Cancer	16

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Jennifer S. Fredericks, MD treated as a physician provider in Bartlett, IL during 2022 were preventive care, vaccines, lab tests and diabetes management.

Volume of procedures performed by Dr. Jennifer S. Fredericks, MD for Medicare patients.

diabetes management	21
doctor visit	484
lab tests	21
preventive care	88
vaccines	67

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Jennifer S. Fredericks, MD.

**Gender**
Male	52
Female	207

**Ethnicity**
Non-Hispanic White	225
Black	0
Hispanic	0
Asian	0
Other	18
Native American	0

**Age**
From 65 to 74	133
From 75 to 84	91
85 and over	20
Less than 65	15

Conditions of Medicare patients treated by Dr. Jennifer S. Fredericks, MD in 2022

Hypertension	69
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	15
Depression	18
Chronic Kidney Disease	11
Asthma	10
Osteoperosis	15
Atrial Fibrilation	13
Heart Failure	9
Chronic Obstructive Pulmonary Disease	11
Diabetes	24
Dementia	5
Cancer	21

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Jennifer S. Fredericks, MD treated as a physician provider in Bartlett, IL during 2023 were preventive care, vaccines, blood draw and lab tests.

Volume of procedures performed by Dr. Jennifer S. Fredericks, MD for Medicare patients.

blood draw	35
diabetes management	28
doctor visit	514
lab tests	28
preventive care	105
vaccines	61

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Jennifer S. Fredericks, MD.

**Gender**
Male	44
Female	209

**Ethnicity**
Non-Hispanic White	222
Black	0
Hispanic	0
Asian	0
Other	17
Native American	0

**Age**
From 65 to 74	120
From 75 to 84	92
85 and over	28
Less than 65	13

Conditions of Medicare patients treated by Dr. Jennifer S. Fredericks, MD in 2023

Hypertension	69
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	14
Depression	17
Chronic Kidney Disease	13
Asthma	9
Osteoperosis	19
Atrial Fibrilation	14
Heart Failure	9
Chronic Obstructive Pulmonary Disease	11
Diabetes	24
Dementia	0
Cancer	23

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Jennifer S. Fredericks, MD treated as a physician provider in Bartlett, IL during 2024 were preventive care, blood draw, vaccines and lab tests.

Volume of procedures performed by Dr. Jennifer S. Fredericks, MD for Medicare patients.

blood draw	91
diabetes management	31
doctor visit	541
lab tests	31
preventive care	105
vaccines	58

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Jennifer S. Fredericks, MD.

**Gender**
Male	52
Female	217

**Ethnicity**
Non-Hispanic White	237
Black	0
Hispanic	0
Asian	0
Other	13
Native American	0

**Age**
From 65 to 74	133
From 75 to 84	92
85 and over	29
Less than 65	15

Conditions of Medicare patients treated by Dr. Jennifer S. Fredericks, MD in 2024

Hypertension	67
High Cholesterol	75
Stroke	4
Ischemic Heart Disease	16
Depression	16
Chronic Kidney Disease	18
Asthma	9
Osteoperosis	18
Atrial Fibrilation	13
Heart Failure	11
Chronic Obstructive Pulmonary Disease	10
Diabetes	23
Dementia	0
Cancer	22

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Jennifer S. Fredericks, MD for Medicare patients.

The highest averages for the top procedures that Dr. Jennifer S. Fredericks, MD treated as a physician provider in Bartlett, IL were preventive care, hospital care, inpatient care and vaccines.

blood draw	63
chronic care	61
diabetes management	30
doctor visit	465
hospital care	120
inpatient care	120
lab tests	61
preventive care	130
vaccines	92

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Jennifer S. Fredericks, MD.

**Gender**
Male	43
Female	194

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	212
Hispanic	0
Native American / Alaskan Native	0
Other	7

**Age**
75 to 84	72
85 and over	21
Less than 65	18
65 to 74	125

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

The highest averages of the most common conditions of Medicare patients that Dr. Jennifer S. Fredericks, MD treated were high cholesterol, hypertension, diabetes and depression.

Hypertension	61
High Cholesterol	62
Stroke	0
Ischemic Heart Disease	15
Depression	17
Chronic Kidney Disease	14
Asthma	7
Osteoporosis	10
Heart Failure	9
Chronic Obstructive Pulmonary Disease	9
Diabetes	22
Atrial Fibrillation	9
Cancer	14
Dementia	4

Education & Training

Dr. Jennifer S. Fredericks, MD graduated from Loyola University Chicago, Stritch School of Medicine in 1999. She completed residency at West Suburban Medical Center. She is certified by the American Board of Family Medicine - Family Medicine (Certified) and has a state license in Illinois.

Medical School: Loyola University Chicago, Stritch School of Medicine (1999)

Residency: West Suburban Medical Center (2002)

Board Certification: American Board of Family Medicine - Family Medicine (Certified)

Licensed In: Illinois

Affiliations & Hospitals

Dr. Jennifer S. Fredericks, MD is associated with these hospitals and organizations:

Northwestern Medicine

Northwestern Medicine Regional Medical Group

Ratings & Reviews

Dr. Jennifer S. Fredericks, MD has an exceptional overall rating with an average of 4.99 out of 5 stars based on 101 ratings. We collect ratings and reviews of Dr. Jennifer S. Fredericks, MD from all over the web to help you find the right in Bartlett, IL.

4.99

Overall Rating

(101 Ratings)

Leave a Review

Reviews Left On DocSpot

Overall Rating: 5.0 2018-10-26

Fantastic physician. Dr. Fredericks listens to her patients needs very carefully, and has a great bedside manner. I've been seeing her almost three years now, and I haven't had one negative experience. Highly recommend.

General Payments

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

**Payments by Company**
Novo Nordisk Inc	$116 RYBELSUS $116
Pfizer Inc.	$13 TRUMENBA $13
GlaxoSmithKline, LLC.	$12 BREO $12
Amarin Pharma Inc.	$10 Vascepa $10

**Types of Payments**
Education	$126
Food and Beverage	$24

Ownership and Interest Payments

This table describes ownership payments received by Dr. Jennifer S. Fredericks, MD.

CCPA Purchasing Partners, L.P.	2016	$15.78	Physician Covered Recipient	Limited Partnership Interest
CCPA Purchasing Partners, L.P.	2014	$15.78	Physician Covered Recipient	Limited Partnership Interest
CCPA Purchasing Partners, L.P.	2015	$15.78	Physician Covered Recipient	Limited Partnership Interest

Biography

Dr. Jennifer Fredericks' areas of specialization are general practice and family medicine. After completing medical school at Loyola University Chicago, Stritch School of Medicine, Dr. Fredericks performed her residency at West Suburban Medical Center. She is rated highly by her patients. Her hospital/clinic affiliations include Northwestern Medicine Central DuPage Hospital and Northwestern Medicine Regional Medical Group. Her practice in Bartlett, IL is open to new patients as reported by Yext.

Select Year:

Dr. Jennifer S. Fredericks, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Jennifer S. Fredericks, MD in 2024

By Volume:

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 S. Fredericks, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jennifer S. Fredericks, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jennifer S. Fredericks, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jennifer S. Fredericks, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jennifer S. Fredericks, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jennifer S. Fredericks, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jennifer S. Fredericks, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jennifer S. Fredericks, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jennifer S. Fredericks, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jennifer S. Fredericks, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jennifer S. Fredericks, MD in 2023

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

2024 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jennifer S. Fredericks, 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 S. Fredericks, MD From 2012 - 2024

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Ownership and Interest Payments

Biography

Family Physicians & Family Medicine Specialists in Nearby Locations

Other Providers in Bartlett, IL