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Dr. Katherine Sonya Ritter, MD

Accepting New Patients

(Katherine S. Ritter, MD)

(100 Ratings)

Specializes in: Urgent Care and General Practice

Medical University of the Americas (2011)

Professional interests include: obesity, acute care, women's health issues, and more.

231 S Gary Avenue Suite 100
Bloomingdale, IL 60108

(630) 893-9600

Dr. Katherine Sonya Ritter, MD is an urgent care doctor in Bloomingdale, IL specializing in urgent care and general practice. She graduated from Medical University of the Americas in 2011 and has 14 years of experience. Dr. Katherine Sonya Ritter, MD is affiliated with Northwestern Medicine, Northwestern Medical Group (NMG), Duly Health and Care and Northwestern Medicine Immediate Care Center - Bloomingdale.

Office Locations

231 S Gary Avenue Suite 100
Bloomingdale, IL 60108

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303 W. Ogden Avenue
Westmont, IL 60559

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4003 Illinois Route 59
Naperville, IL 60564

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Noteworthy Medicare Patient Procedures Performed by Dr. Katherine Sonya Ritter, MD in 2023

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

Top 5%

By Volume:

blood draw

phlebotomy for lab tests

In 2023, Dr. Katherine Sonya Ritter, MD performed more blood draw, and phlebotomy for lab tests procedures for Medicare patients than 95% of providers in related specialties within Illinois.

Top 10%

By Volume:

lab tests

urinalysis

By Affordability:

coagulation tests

prothrombin time test

In 2023, among providers in related specialties within Illinois, Dr. Katherine Sonya Ritter, MD performed more lab tests, and urinalysis procedures for Medicare patients than 90% of them and she also had a list price for coagulation (blood clotting) tests, and prothrombin time (PT) test that was lower than the list prices billed to Medicare by 90% 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.

Top 25%

By Volume:

rapid strep test

By Affordability:

liver function tests

In 2013, among providers in related specialties within Illinois, Dr. Katherine Sonya Ritter, MD performed more rapid strep test procedures for Medicare patients than 75% of them and she also had a list price for liver function tests (LFTs) 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

2015 Medicare Procedure Volume

The top procedures that Dr. Katherine Sonya Ritter, MD treated as an urgent care doctor in Bloomingdale, IL during 2015 were preventive care and vaccines.

Volume of procedures performed by Dr. Katherine Sonya Ritter, MD for Medicare patients.

doctor visit	144
preventive care	16
vaccines	16

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Katherine Sonya Ritter, MD.

**Gender**
Male	44
Female	120

**Age**
From 65 to 74	76
From 75 to 84	52
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Katherine Sonya Ritter, MD in 2015

The most common conditions of Medicare patients that Dr. Katherine Sonya Ritter, MD treated during 2015 were hypertension, high cholesterol, chronic obstructive pulmonary disease and depression.

Hypertension	70
High Cholesterol	59
Stroke	0
Ischemic Heart Disease	30
Depression	30
Chronic Kidney Disease	24
Asthma	18
Osteoperosis	13
Atrial Fibrilation	0
Heart Failure	22
Chronic Obstructive Pulmonary Disease	30
Diabetes	24
Dementia	16
Cancer	0

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Katherine Sonya Ritter, MD treated as an urgent care doctor in Bloomingdale, IL during 2016 were preventive care, vaccines, hospital care and inpatient care.

Volume of procedures performed by Dr. Katherine Sonya Ritter, MD for Medicare patients.

doctor visit	437
hospital care	42
inpatient care	29
outpatient care	13
preventive care	58
vaccines	58

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Katherine Sonya Ritter, MD.

**Gender**
Male	51
Female	120

**Ethnicity**
Non-Hispanic White	160
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	79
From 75 to 84	49
85 and over	25
Less than 65	18

Conditions of Medicare patients treated by Dr. Katherine Sonya Ritter, MD in 2016

The most common conditions of Medicare patients that Dr. Katherine Sonya Ritter, MD treated during 2016 were hypertension, high cholesterol, ischemic heart disease and depression.

Hypertension	66
High Cholesterol	60
Stroke	0
Ischemic Heart Disease	30
Depression	28
Chronic Kidney Disease	22
Asthma	23
Osteoperosis	9
Atrial Fibrilation	9
Heart Failure	18
Chronic Obstructive Pulmonary Disease	23
Diabetes	25
Dementia	13
Cancer	9

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Katherine Sonya Ritter, MD treated as an urgent care doctor in Bloomingdale, IL during 2017 were outpatient care and hospital care.

Volume of procedures performed by Dr. Katherine Sonya Ritter, MD for Medicare patients.

doctor visit	407
hospital care	17
outpatient care	17

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Katherine Sonya Ritter, MD.

**Gender**
Male	79
Female	158

**Ethnicity**
Non-Hispanic White	208
Black	0
Hispanic	12
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	117
From 75 to 84	62
85 and over	36
Less than 65	22

Conditions of Medicare patients treated by Dr. Katherine Sonya Ritter, MD in 2017

The most common conditions of Medicare patients that Dr. Katherine Sonya Ritter, MD treated during 2017 were hypertension, high cholesterol, ischemic heart disease and depression.

Hypertension	71
High Cholesterol	57
Stroke	0
Ischemic Heart Disease	32
Depression	27
Chronic Kidney Disease	25
Asthma	11
Osteoperosis	12
Atrial Fibrilation	14
Heart Failure	20
Chronic Obstructive Pulmonary Disease	22
Diabetes	25
Dementia	13
Cancer	14

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

Volume of procedures performed by Dr. Katherine Sonya Ritter, MD for Medicare patients.

doctor visit	342

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Katherine Sonya Ritter, MD.

**Gender**
Male	122
Female	225

**Ethnicity**
Non-Hispanic White	307
Black	0
Hispanic	16
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	157
From 75 to 84	111
85 and over	54
Less than 65	25

Conditions of Medicare patients treated by Dr. Katherine Sonya Ritter, MD in 2018

The most common conditions of Medicare patients that Dr. Katherine Sonya Ritter, MD treated during 2018 were hypertension, high cholesterol, ischemic heart disease and depression.

Hypertension	63
High Cholesterol	60
Stroke	4
Ischemic Heart Disease	29
Depression	21
Chronic Kidney Disease	19
Asthma	7
Osteoperosis	13
Atrial Fibrilation	10
Heart Failure	13
Chronic Obstructive Pulmonary Disease	10
Diabetes	18
Dementia	10
Cancer	14

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Katherine Sonya Ritter, MD treated as an urgent care doctor in Bloomingdale, IL during 2019 were blood draw, lab tests, X-rays and spinal procedures.

Volume of procedures performed by Dr. Katherine Sonya Ritter, MD for Medicare patients.

blood draw	656
doctor visit	358
lab tests	313
musculoskeletal imaging	13
spinal procedures	19
X-rays	32

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Katherine Sonya Ritter, MD.

**Gender**
Male	487
Female	738

**Ethnicity**
Non-Hispanic White	1036
Black	26
Hispanic	69
Asian	56
Other	38
Native American	0

**Age**
From 65 to 74	589
From 75 to 84	386
85 and over	141
Less than 65	109

Conditions of Medicare patients treated by Dr. Katherine Sonya Ritter, MD in 2019

The most common conditions of Medicare patients that Dr. Katherine Sonya Ritter, MD treated during 2019 were high cholesterol, hypertension, chronic kidney disease and diabetes.

Hypertension	69
High Cholesterol	70
Stroke	5
Ischemic Heart Disease	28
Depression	21
Chronic Kidney Disease	29
Asthma	7
Osteoperosis	12
Atrial Fibrilation	16
Heart Failure	17
Chronic Obstructive Pulmonary Disease	13
Diabetes	28
Dementia	7
Cancer	12

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Katherine Sonya Ritter, MD treated as an urgent care doctor in Bloomingdale, IL during 2020 were blood draw, lab tests, preventive care and vaccines.

Volume of procedures performed by Dr. Katherine Sonya Ritter, MD for Medicare patients.

blood draw	950
doctor visit	201
lab tests	209
preventive care	17
spinal procedures	14
vaccines	17
X-rays	14

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Katherine Sonya Ritter, MD.

**Gender**
Male	558
Female	750

**Ethnicity**
Non-Hispanic White	1073
Black	0
Hispanic	91
Asian	66
Other	39
Native American	0

**Age**
From 65 to 74	622
From 75 to 84	437
85 and over	125
Less than 65	124

Conditions of Medicare patients treated by Dr. Katherine Sonya Ritter, MD in 2020

The most common conditions of Medicare patients that Dr. Katherine Sonya Ritter, MD treated during 2020 were hypertension, high cholesterol, chronic kidney disease and diabetes.

Hypertension	67
High Cholesterol	64
Stroke	5
Ischemic Heart Disease	29
Depression	22
Chronic Kidney Disease	30
Asthma	7
Osteoperosis	13
Atrial Fibrilation	15
Heart Failure	18
Chronic Obstructive Pulmonary Disease	11
Diabetes	30
Dementia	6
Cancer	13

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Katherine Sonya Ritter, MD treated as an urgent care doctor in Bloomingdale, IL during 2021 were blood draw, lab tests, X-rays and spinal procedures.

Volume of procedures performed by Dr. Katherine Sonya Ritter, MD for Medicare patients.

blood draw	1094
doctor visit	589
lab tests	180
spinal procedures	44
thoracic (chest) imaging	12
X-rays	56

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Katherine Sonya Ritter, MD.

**Gender**
Male	744
Female	987

**Ethnicity**
Non-Hispanic White	1454
Black	51
Hispanic	120
Asian	54
Other	52
Native American	0

**Age**
From 65 to 74	886
From 75 to 84	539
85 and over	164
Less than 65	142

Conditions of Medicare patients treated by Dr. Katherine Sonya Ritter, MD in 2021

The most common conditions of Medicare patients that Dr. Katherine Sonya Ritter, MD treated during 2021 were high cholesterol, hypertension, ischemic heart disease and chronic kidney disease.

Hypertension	67
High Cholesterol	68
Stroke	4
Ischemic Heart Disease	30
Depression	20
Chronic Kidney Disease	29
Asthma	7
Osteoperosis	12
Atrial Fibrilation	12
Heart Failure	16
Chronic Obstructive Pulmonary Disease	13
Diabetes	28
Dementia	6
Cancer	15

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Katherine Sonya Ritter, MD treated as an urgent care doctor in Bloomingdale, IL during 2022 were blood draw, lab tests, X-rays and spinal procedures.

Volume of procedures performed by Dr. Katherine Sonya Ritter, MD for Medicare patients.

blood draw	841
doctor visit	346
lab tests	162
preventive care	15
spinal procedures	23
vaccines	15
X-rays	23

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Katherine Sonya Ritter, MD.

**Gender**
Male	581
Female	751

**Ethnicity**
Non-Hispanic White	1072
Black	41
Hispanic	137
Asian	42
Other	40
Native American	0

**Age**
From 65 to 74	675
From 75 to 84	418
85 and over	128
Less than 65	111

Conditions of Medicare patients treated by Dr. Katherine Sonya Ritter, MD in 2022

The most common conditions of Medicare patients that Dr. Katherine Sonya Ritter, MD treated during 2022 were high cholesterol, hypertension, diabetes and ischemic heart disease.

Hypertension	74
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	25
Depression	20
Chronic Kidney Disease	22
Asthma	10
Osteoperosis	15
Atrial Fibrilation	21
Heart Failure	16
Chronic Obstructive Pulmonary Disease	12
Diabetes	29
Dementia	4
Cancer	19

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Katherine Sonya Ritter, MD treated as an urgent care doctor in Bloomingdale, IL during 2023 were blood draw, lab tests, X-rays and spinal procedures.

Volume of procedures performed by Dr. Katherine Sonya Ritter, MD for Medicare patients.

blood draw	628
doctor visit	267
lab tests	159
spinal procedures	11
X-rays	11

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Katherine Sonya Ritter, MD.

**Gender**
Male	412
Female	598

**Ethnicity**
Non-Hispanic White	818
Black	25
Hispanic	82
Asian	51
Other	34
Native American	0

**Age**
From 65 to 74	488
From 75 to 84	346
85 and over	98
Less than 65	78

Conditions of Medicare patients treated by Dr. Katherine Sonya Ritter, MD in 2023

The most common conditions of Medicare patients that Dr. Katherine Sonya Ritter, MD treated during 2023 were high cholesterol, hypertension, ischemic heart disease and diabetes.

Hypertension	73
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	30
Depression	19
Chronic Kidney Disease	23
Asthma	10
Osteoperosis	18
Atrial Fibrilation	21
Heart Failure	19
Chronic Obstructive Pulmonary Disease	13
Diabetes	28
Dementia	4
Cancer	19

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2015 - 2023

Volume of procedures performed by Dr. Katherine Sonya Ritter, MD for Medicare patients.

The highest averages for the top procedures that Dr. Katherine Sonya Ritter, MD treated as an urgent care doctor in Bloomingdale, IL were blood draw, lab tests, hospital care and inpatient care.

blood draw	833
doctor visit	343
hospital care	29
inpatient care	29
lab tests	204
musculoskeletal imaging	13
outpatient care	15
preventive care	26
spinal procedures	22
thoracic (chest) imaging	12
vaccines	26
X-rays	27

Average Medicare Patient Data From 2015 - 2023

Information about Medicare patients treated by Dr. Katherine Sonya Ritter, MD.

**Gender**
Male	342
Female	494

**Ethnicity**
Black / African American	15
Asian / Pacific Islander	29
Non-Hispanic White	680
Hispanic	58
Native American / Alaskan Native	0
Other	22

**Age**
75 to 84	266
85 and over	85
Less than 65	69
65 to 74	409

Average of Total of Conditions of Medicare patients treated by Dr. Katherine Sonya Ritter, MD From 2015 - 2023

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

Hypertension	68
High Cholesterol	65
Stroke	3
Ischemic Heart Disease	29
Depression	23
Chronic Kidney Disease	24
Asthma	11
Osteoporosis	13
Heart Failure	17
Chronic Obstructive Pulmonary Disease	16
Diabetes	26
Atrial Fibrillation	13
Dementia	8
Cancer	12

Education & Training

Dr. Katherine Sonya Ritter, MD graduated from Medical University of the Americas in 2011. She completed residency at Adventist LaGrange Memorial Hospital. She is certified by the American Board of Family Medicine - Family Medicine (Certified) and has a state license in Illinois.

Medical School: Medical University of the Americas (2011)

Residency: Adventist LaGrange Memorial Hospital (2015)

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

Licensed In: Illinois

Affiliations & Hospitals

Dr. Katherine Sonya Ritter, MD is associated with these hospitals and organizations:

Northwestern Medicine

Northwestern Medical Group (NMG)

Duly Health and Care

Northwestern Medicine Immediate Care Center - Bloomingdale

Ratings & Reviews

Dr. Katherine Sonya Ritter, MD has an exceptional overall rating with an average of 4.99 out of 5 stars based on 100 ratings. We collect ratings and reviews of Dr. Katherine Sonya Ritter, MD from all over the web to help you find the right in Bloomingdale, IL.

4.99

Overall Rating

(100 Ratings)

Leave a Review

General Payments

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

**Payments by Company**
AstraZeneca Pharmaceuticals LP	$166 SYMBICORT $155	FARXIGA $11
Janssen Pharmaceuticals, Inc	$158 INVOKANA $112	XARELTO $47
SANOFI-AVENTIS U.S. LLC	$136 TOUJEO $127	PRALUENT $9
GlaxoSmithKline, LLC.	$126 BREO $92	ANORO $34
Amgen Inc.	$125 Repatha $32	$93
Other	$428 Victoza $77	TRULICITY $73	Vesicare $59	VIBERZI $30	LINZESS $29	Other $161

**Types of Payments**
Food and Beverage	$1,140

Biography

Dr. Katherine Ritter specializes in general practice and urgent care. Before performing her residency at Adventist LaGrange Memorial Hospital, Dr. Ritter attended Medical University of the Americas for medical school. On average, patients gave her a rating of 5.0 stars (out of 5). Dr. Ritter (or staff) speaks the following foreign languages: Sign Language, Spanish, and German. Dr. Ritter's professional affiliations include Northwestern Medicine Central DuPage Hospital, Northwestern Medical Group (NMG), and Duly Health and Care. Her practice in Bloomingdale, IL is open to new patients as reported by Yext.

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Dr. Katherine Sonya Ritter, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Katherine Sonya Ritter, MD in 2023

By Volume:

By Volume:

By Affordability:

By Volume:

By Affordability:

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Katherine Sonya Ritter, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Katherine Sonya Ritter, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Katherine Sonya Ritter, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Katherine Sonya Ritter, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Katherine Sonya Ritter, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Katherine Sonya Ritter, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Katherine Sonya Ritter, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Katherine Sonya Ritter, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Katherine Sonya Ritter, MD in 2023

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2015 - 2023

Average Medicare Patient Data From 2015 - 2023

Average of Total of Conditions of Medicare patients treated by Dr. Katherine Sonya Ritter, MD From 2015 - 2023

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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