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Home > IL Providers > Cytopathologists

Dr. Sarah B. Clark, MD

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Specializes in: Cytopathology

801 S Washington Street
Naperville, IL 60566

(630) 355-0450

Dr. Sarah B. Clark, MD is a cytopathologist in Naperville, IL specializing in cytopathology. Dr. Sarah B. Clark, MD is affiliated with LABORATORY AND PATHOLOGY DIAGNOSTICS LLC.

Office Locations

801 S Washington Street
Naperville, IL 60566

(630) 355-0450

(630) 527-3911

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Noteworthy Medicare Patient Procedures Performed by Dr. Sarah B. Clark, MD in 2023

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

Top 5%

By Affordability:

immunofixation electrophoresis

In 2023, Dr. Sarah B. Clark, MD had a list price for immunofixation electrophoresis (IFE) that was lower than the list prices billed to Medicare by 95% 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.

Top 10%

By Volume:

lab tests

In 2023, Dr. Sarah B. Clark, MD performed more lab tests procedures for Medicare patients than 90% of providers in related specialties within Illinois.

Top 25%

By Volume:

concentrated smear of non-gynecologic specimen

By Affordability:

CSF protein electrophoresis

serum protein electrophoresis

urine protein electrophoresis

urine tests

In 2012, among providers in related specialties within Illinois, Dr. Sarah B. Clark, MD performed more concentrated smear (cytospin) of non-gynecologic specimen procedures for Medicare patients than 75% of them and she also had a list price for CSF protein electrophoresis, serum protein electrophoresis (SPEP), urine protein electrophoresis, and urine tests 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. Sarah B. Clark, MD treated as a cytopathologist in Naperville, IL during 2012 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Sarah B. Clark, MD for Medicare patients.

consultation	45
cytology	93
lab tests	895

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Sarah B. Clark, MD treated as a cytopathologist in Naperville, IL during 2013 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Sarah B. Clark, MD for Medicare patients.

consultation	32
cytology	203
lab tests	750

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Sarah B. Clark, MD.

**Gender**
Male	374
Female	470

**Ethnicity**
Non-Hispanic White	727
Black	42
Hispanic	36
Asian	23
Other	16
Native American	0

**Age**
From 65 to 74	404
From 75 to 84	271
85 and over	116
Less than 65	53

Conditions of Medicare patients treated by Dr. Sarah B. Clark, MD in 2013

Hypertension	75
High Cholesterol	67
Stroke	6
Ischemic Heart Disease	43
Depression	21
Chronic Kidney Disease	33
Asthma	9
Osteoperosis	10
Atrial Fibrilation	17
Heart Failure	23
Chronic Obstructive Pulmonary Disease	21
Diabetes	33
Dementia	10
Cancer	22

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Sarah B. Clark, MD treated as a cytopathologist in Naperville, IL during 2014 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Sarah B. Clark, MD for Medicare patients.

consultation	48
cytology	305
lab tests	515

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Sarah B. Clark, MD.

**Gender**
Male	381
Female	429

**Ethnicity**
Non-Hispanic White	694
Black	37
Hispanic	27
Asian	35
Other	17
Native American	0

**Age**
From 65 to 74	395
From 75 to 84	278
85 and over	92
Less than 65	45

Conditions of Medicare patients treated by Dr. Sarah B. Clark, MD in 2014

Hypertension	75
High Cholesterol	67
Stroke	7
Ischemic Heart Disease	39
Depression	22
Chronic Kidney Disease	30
Asthma	7
Osteoperosis	9
Atrial Fibrilation	22
Heart Failure	22
Chronic Obstructive Pulmonary Disease	22
Diabetes	35
Dementia	12
Cancer	25

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Sarah B. Clark, MD treated as a cytopathologist in Naperville, IL during 2015 were lab tests and cytology.

Volume of procedures performed by Dr. Sarah B. Clark, MD for Medicare patients.

cytology	359
lab tests	439

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Sarah B. Clark, MD.

**Gender**
Male	778
Female	842

**Ethnicity**
Non-Hispanic White	1410
Black	54
Hispanic	60
Asian	64
Other	32
Native American	0

**Age**
From 65 to 74	800
From 75 to 84	514
85 and over	208
Less than 65	98

Conditions of Medicare patients treated by Dr. Sarah B. Clark, MD in 2015

Hypertension	74
High Cholesterol	68
Stroke	5
Ischemic Heart Disease	38
Depression	21
Chronic Kidney Disease	33
Asthma	15
Osteoperosis	9
Atrial Fibrilation	16
Heart Failure	20
Chronic Obstructive Pulmonary Disease	20
Diabetes	30
Dementia	8
Cancer	21

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Sarah B. Clark, MD treated as a cytopathologist in Naperville, IL during 2016 were lab tests and cytology.

Volume of procedures performed by Dr. Sarah B. Clark, MD for Medicare patients.

cytology	447
lab tests	1138

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Sarah B. Clark, MD.

**Gender**
Male	582
Female	617

**Ethnicity**
Non-Hispanic White	1020
Black	63
Hispanic	46
Asian	42
Other	0
Native American	0

**Age**
From 65 to 74	574
From 75 to 84	390
85 and over	165
Less than 65	70

Conditions of Medicare patients treated by Dr. Sarah B. Clark, MD in 2016

Hypertension	75
High Cholesterol	64
Stroke	5
Ischemic Heart Disease	40
Depression	22
Chronic Kidney Disease	39
Asthma	21
Osteoperosis	11
Atrial Fibrilation	19
Heart Failure	23
Chronic Obstructive Pulmonary Disease	20
Diabetes	35
Dementia	12
Cancer	20

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Sarah B. Clark, MD treated as a cytopathologist in Naperville, IL during 2017 were lab tests and cytology.

Volume of procedures performed by Dr. Sarah B. Clark, MD for Medicare patients.

cytology	435
lab tests	1129

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Sarah B. Clark, MD.

**Gender**
Male	573
Female	639

**Ethnicity**
Non-Hispanic White	1045
Black	68
Hispanic	45
Asian	33
Other	0
Native American	0

**Age**
From 65 to 74	571
From 75 to 84	434
85 and over	143
Less than 65	64

Conditions of Medicare patients treated by Dr. Sarah B. Clark, MD in 2017

Hypertension	72
High Cholesterol	52
Stroke	6
Ischemic Heart Disease	38
Depression	23
Chronic Kidney Disease	41
Asthma	7
Osteoperosis	11
Atrial Fibrilation	18
Heart Failure	19
Chronic Obstructive Pulmonary Disease	17
Diabetes	32
Dementia	11
Cancer	18

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Sarah B. Clark, MD treated as a cytopathologist in Naperville, IL during 2018 were lab tests and cytology.

Volume of procedures performed by Dr. Sarah B. Clark, MD for Medicare patients.

cytology	430
lab tests	514

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Sarah B. Clark, MD.

**Gender**
Male	459
Female	589

**Ethnicity**
Non-Hispanic White	902
Black	52
Hispanic	36
Asian	30
Other	28
Native American	0

**Age**
From 65 to 74	493
From 75 to 84	380
85 and over	116
Less than 65	59

Conditions of Medicare patients treated by Dr. Sarah B. Clark, MD in 2018

Hypertension	73
High Cholesterol	66
Stroke	5
Ischemic Heart Disease	35
Depression	23
Chronic Kidney Disease	41
Asthma	8
Osteoperosis	9
Atrial Fibrilation	18
Heart Failure	21
Chronic Obstructive Pulmonary Disease	18
Diabetes	33
Dementia	9
Cancer	21

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Sarah B. Clark, MD treated as a cytopathologist in Naperville, IL during 2019 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Sarah B. Clark, MD for Medicare patients.

consultation	16
cytology	301
lab tests	974

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Sarah B. Clark, MD.

**Gender**
Male	528
Female	611

**Ethnicity**
Non-Hispanic White	972
Black	56
Hispanic	29
Asian	44
Other	38
Native American	0

**Age**
From 65 to 74	544
From 75 to 84	413
85 and over	120
Less than 65	62

Conditions of Medicare patients treated by Dr. Sarah B. Clark, MD in 2019

Hypertension	72
High Cholesterol	68
Stroke	5
Ischemic Heart Disease	39
Depression	23
Chronic Kidney Disease	41
Asthma	7
Osteoperosis	13
Atrial Fibrilation	16
Heart Failure	21
Chronic Obstructive Pulmonary Disease	17
Diabetes	31
Dementia	11
Cancer	21

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Sarah B. Clark, MD treated as a cytopathologist in Naperville, IL during 2020 were lab tests and cytology.

Volume of procedures performed by Dr. Sarah B. Clark, MD for Medicare patients.

cytology	170
lab tests	299

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Sarah B. Clark, MD.

**Gender**
Male	220
Female	294

**Ethnicity**
Non-Hispanic White	448
Black	17
Hispanic	18
Asian	19
Other	12
Native American	0

**Age**
From 65 to 74	235
From 75 to 84	196
85 and over	51
Less than 65	32

Conditions of Medicare patients treated by Dr. Sarah B. Clark, MD in 2020

Hypertension	74
High Cholesterol	69
Stroke	6
Ischemic Heart Disease	40
Depression	30
Chronic Kidney Disease	45
Asthma	6
Osteoperosis	14
Atrial Fibrilation	20
Heart Failure	30
Chronic Obstructive Pulmonary Disease	23
Diabetes	32
Dementia	13
Cancer	24

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Sarah B. Clark, MD treated as a cytopathologist in Naperville, IL during 2021 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Sarah B. Clark, MD for Medicare patients.

consultation	16
cytology	143
lab tests	481

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Sarah B. Clark, MD.

**Gender**
Male	309
Female	423

**Ethnicity**
Non-Hispanic White	638
Black	30
Hispanic	21
Asian	25
Other	18
Native American	0

**Age**
From 65 to 74	364
From 75 to 84	272
85 and over	60
Less than 65	36

Conditions of Medicare patients treated by Dr. Sarah B. Clark, MD in 2021

Hypertension	75
High Cholesterol	71
Stroke	5
Ischemic Heart Disease	38
Depression	25
Chronic Kidney Disease	44
Asthma	6
Osteoperosis	13
Atrial Fibrilation	17
Heart Failure	23
Chronic Obstructive Pulmonary Disease	17
Diabetes	33
Dementia	10
Cancer	20

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Sarah B. Clark, MD treated as a cytopathologist in Naperville, IL during 2022 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Sarah B. Clark, MD for Medicare patients.

consultation	27
cytology	84
lab tests	455

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Sarah B. Clark, MD.

**Gender**
Male	339
Female	473

**Ethnicity**
Non-Hispanic White	684
Black	33
Hispanic	30
Asian	35
Other	0
Native American	0

**Age**
From 65 to 74	388
From 75 to 84	310
85 and over	71
Less than 65	43

Conditions of Medicare patients treated by Dr. Sarah B. Clark, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	35
Depression	25
Chronic Kidney Disease	31
Asthma	11
Osteoperosis	16
Atrial Fibrilation	23
Heart Failure	25
Chronic Obstructive Pulmonary Disease	24
Diabetes	35
Dementia	8
Cancer	28

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Sarah B. Clark, MD for Medicare patients.

The highest averages for the top procedures that Dr. Sarah B. Clark, MD treated as a cytopathologist in Naperville, IL were lab tests, cytology and consultation.

consultation	30
cytology	270
lab tests	689

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Sarah B. Clark, MD.

**Gender**
Male	413
Female	489

**Ethnicity**
Black / African American	41
Asian / Pacific Islander	31
Non-Hispanic White	776
Hispanic	31
Native American / Alaskan Native	0
Other	14

**Age**
75 to 84	314
85 and over	103
Less than 65	51
65 to 74	433

Average of Total of Conditions of Medicare patients treated by Dr. Sarah B. Clark, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Sarah B. Clark, MD treated were hypertension, high cholesterol, ischemic heart disease and chronic kidney disease.

Hypertension	67
High Cholesterol	60
Stroke	5
Ischemic Heart Disease	35
Depression	21
Chronic Kidney Disease	34
Asthma	8
Osteoporosis	10
Heart Failure	20
Chronic Obstructive Pulmonary Disease	18
Diabetes	29
Atrial Fibrillation	16
Cancer	20
Dementia	9

Education & Training

She has a state license in Illinois.

Licensed In: Illinois

Affiliations & Hospitals

Dr. Sarah B. Clark, MD is associated with these hospitals and organizations:

LABORATORY AND PATHOLOGY DIAGNOSTICS LLC

Ratings & Reviews

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General Payments

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

**Payments by Company**
Abbott Laboratories	$393 HeartMate 3 Left Ventricular Dev $370	Emboshield NAV6 system $23
GlaxoSmithKline, LLC.	$11 FLULAVAL $11

**Types of Payments**
Education	$370
Food and Beverage	$33

Biography

Dr. Sarah Clark is a cytopathology specialist in Naperville, IL. Dr. Clark obtained a license to practice in Illinois.

Select Year:

Dr. Sarah B. Clark, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Sarah B. Clark, MD in 2023

By Affordability:

By Volume:

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. Sarah B. Clark, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Sarah B. Clark, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Sarah B. Clark, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Sarah B. Clark, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Sarah B. Clark, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Sarah B. Clark, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Sarah B. Clark, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Sarah B. Clark, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Sarah B. Clark, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Sarah B. Clark, MD in 2022

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Average Medicare Patient Data From 2012 - 2022

Average of Total of Conditions of Medicare patients treated by Dr. Sarah B. Clark, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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