Procedure Volume Patient Data Patient Conditions Reviews Back to Top

Home > CA Providers > Pathologists

Dr. Choon S. Koo, MD

(Dr. Choon Sil Koo, M.D.)

(No ratings)

Specializes in: Pathology

999 San Bernardino Road
Upland, CA 91786

(909) 985-2811

Dr. Choon S. Koo, MD is a pathologist in Upland, CA specializing in pathology. Dr. Choon S. Koo, MD is affiliated with EXCEL PATHOLOGY.

Office Locations

999 San Bernardino Road
Upland, CA 91786

(909) 985-2811

(909) 920-3827

open_in_new

Noteworthy Medicare Patient Procedures Performed by Dr. Choon S. Koo, MD in 2023

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

Top 5%

By Affordability:

cytology of non-gynecologic brushing

cytology of non-gynecologic fluid

cytology of non-gynecologic washing

In 2023, Dr. Choon S. Koo, MD had a list price for cytology of non-gynecologic brushing, cytology of non-gynecologic fluid, and cytology of non-gynecologic washing that was lower than the list prices billed to Medicare by 95% of providers in related specialties within California. 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 Affordability:

cytology

direct smear of non-gynecologic specimen

lab tests

non-gynecologic cytology

special stains

In 2023, Dr. Choon S. Koo, MD had a list price for cytology, direct smear of non-gynecologic specimen, lab tests, non-gynecologic cytology, and special stains that was lower than the list prices billed to Medicare by 90% of providers in related specialties within California. 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 Affordability:

consultation

immunohistochemistry test

intraoperative pathology consultation

In 2012, Dr. Choon S. Koo, MD had a list price for consultation, immunohistochemistry (IHC) test, and intraoperative pathology consultation that was lower than the list prices billed to Medicare by 75% of providers in related specialties within California. 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. Choon S. Koo, MD treated as a pathologist in Upland, CA during 2012 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Choon S. Koo, MD for Medicare patients.

consultation	40
cytology	86
lab tests	629

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Choon S. Koo, MD treated as a pathologist in Upland, CA during 2013 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Choon S. Koo, MD for Medicare patients.

consultation	26
cytology	68
lab tests	434

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Choon S. Koo, MD.

**Gender**
Male	306
Female	382

**Ethnicity**
Non-Hispanic White	439
Black	42
Hispanic	140
Asian	51
Other	0
Native American	0

**Age**
From 65 to 74	299
From 75 to 84	192
85 and over	76
Less than 65	121

Conditions of Medicare patients treated by Dr. Choon S. Koo, MD in 2013

Hypertension	75
High Cholesterol	66
Stroke	6
Ischemic Heart Disease	47
Depression	21
Chronic Kidney Disease	31
Asthma	9
Osteoperosis	14
Atrial Fibrilation	14
Heart Failure	30
Chronic Obstructive Pulmonary Disease	22
Diabetes	39
Dementia	9
Cancer	20

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Choon S. Koo, MD treated as a pathologist in Upland, CA during 2014 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Choon S. Koo, MD for Medicare patients.

consultation	57
cytology	78
lab tests	470

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Choon S. Koo, MD.

**Gender**
Male	336
Female	406

**Ethnicity**
Non-Hispanic White	456
Black	47
Hispanic	166
Asian	53
Other	0
Native American	0

**Age**
From 65 to 74	339
From 75 to 84	207
85 and over	86
Less than 65	110

Conditions of Medicare patients treated by Dr. Choon S. Koo, MD in 2014

Hypertension	73
High Cholesterol	64
Stroke	6
Ischemic Heart Disease	45
Depression	21
Chronic Kidney Disease	35
Asthma	10
Osteoperosis	13
Atrial Fibrilation	10
Heart Failure	31
Chronic Obstructive Pulmonary Disease	20
Diabetes	36
Dementia	12
Cancer	20

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Choon S. Koo, MD treated as a pathologist in Upland, CA during 2015 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Choon S. Koo, MD for Medicare patients.

consultation	35
cytology	49
lab tests	363

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Choon S. Koo, MD.

**Gender**
Male	486
Female	536

**Ethnicity**
Non-Hispanic White	648
Black	46
Hispanic	212
Asian	80
Other	36
Native American	0

**Age**
From 65 to 74	524
From 75 to 84	276
85 and over	94
Less than 65	128

Conditions of Medicare patients treated by Dr. Choon S. Koo, MD in 2015

Hypertension	75
High Cholesterol	59
Stroke	5
Ischemic Heart Disease	46
Depression	24
Chronic Kidney Disease	38
Asthma	14
Osteoperosis	10
Atrial Fibrilation	13
Heart Failure	28
Chronic Obstructive Pulmonary Disease	18
Diabetes	37
Dementia	10
Cancer	23

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Choon S. Koo, MD treated as a pathologist in Upland, CA during 2016 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Choon S. Koo, MD for Medicare patients.

consultation	23
cytology	38
lab tests	372

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Choon S. Koo, MD.

**Gender**
Male	223
Female	297

**Ethnicity**
Non-Hispanic White	315
Black	36
Hispanic	124
Asian	34
Other	11
Native American	0

**Age**
From 65 to 74	253
From 75 to 84	142
85 and over	54
Less than 65	71

Conditions of Medicare patients treated by Dr. Choon S. Koo, MD in 2016

Hypertension	75
High Cholesterol	60
Stroke	6
Ischemic Heart Disease	46
Depression	21
Chronic Kidney Disease	42
Asthma	24
Osteoperosis	11
Atrial Fibrilation	12
Heart Failure	29
Chronic Obstructive Pulmonary Disease	22
Diabetes	37
Dementia	10
Cancer	22

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Choon S. Koo, MD treated as a pathologist in Upland, CA during 2017 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Choon S. Koo, MD for Medicare patients.

consultation	25
cytology	71
lab tests	492

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Choon S. Koo, MD.

**Gender**
Male	284
Female	352

**Ethnicity**
Non-Hispanic White	376
Black	48
Hispanic	156
Asian	38
Other	0
Native American	0

**Age**
From 65 to 74	293
From 75 to 84	193
85 and over	69
Less than 65	81

Conditions of Medicare patients treated by Dr. Choon S. Koo, MD in 2017

Hypertension	75
High Cholesterol	54
Stroke	6
Ischemic Heart Disease	45
Depression	21
Chronic Kidney Disease	46
Asthma	10
Osteoperosis	12
Atrial Fibrilation	10
Heart Failure	32
Chronic Obstructive Pulmonary Disease	21
Diabetes	40
Dementia	14
Cancer	21

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Choon S. Koo, MD treated as a pathologist in Upland, CA during 2018 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Choon S. Koo, MD for Medicare patients.

consultation	20
cytology	82
lab tests	519

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Choon S. Koo, MD.

**Gender**
Male	287
Female	353

**Ethnicity**
Non-Hispanic White	379
Black	57
Hispanic	145
Asian	42
Other	17
Native American	0

**Age**
From 65 to 74	273
From 75 to 84	197
85 and over	73
Less than 65	97

Conditions of Medicare patients treated by Dr. Choon S. Koo, MD in 2018

Hypertension	75
High Cholesterol	66
Stroke	7
Ischemic Heart Disease	52
Depression	23
Chronic Kidney Disease	49
Asthma	7
Osteoperosis	10
Atrial Fibrilation	14
Heart Failure	36
Chronic Obstructive Pulmonary Disease	18
Diabetes	41
Dementia	15
Cancer	22

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Choon S. Koo, MD treated as a pathologist in Upland, CA during 2019 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Choon S. Koo, MD for Medicare patients.

consultation	19
cytology	49
lab tests	505

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Choon S. Koo, MD.

**Gender**
Male	280
Female	357

**Ethnicity**
Non-Hispanic White	369
Black	49
Hispanic	138
Asian	53
Other	0
Native American	0

**Age**
From 65 to 74	278
From 75 to 84	197
85 and over	75
Less than 65	87

Conditions of Medicare patients treated by Dr. Choon S. Koo, MD in 2019

Hypertension	75
High Cholesterol	66
Stroke	9
Ischemic Heart Disease	49
Depression	25
Chronic Kidney Disease	49
Asthma	8
Osteoperosis	12
Atrial Fibrilation	14
Heart Failure	33
Chronic Obstructive Pulmonary Disease	19
Diabetes	47
Dementia	16
Cancer	21

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Choon S. Koo, MD treated as a pathologist in Upland, CA during 2020 were lab tests and cytology.

Volume of procedures performed by Dr. Choon S. Koo, MD for Medicare patients.

cytology	24
lab tests	351

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Choon S. Koo, MD.

**Gender**
Male	207
Female	224

**Ethnicity**
Non-Hispanic White	237
Black	43
Hispanic	110
Asian	27
Other	14
Native American	0

**Age**
From 65 to 74	195
From 75 to 84	119
85 and over	65
Less than 65	52

Conditions of Medicare patients treated by Dr. Choon S. Koo, MD in 2020

Hypertension	75
High Cholesterol	60
Stroke	8
Ischemic Heart Disease	52
Depression	21
Chronic Kidney Disease	55
Asthma	7
Osteoperosis	9
Atrial Fibrilation	14
Heart Failure	37
Chronic Obstructive Pulmonary Disease	19
Diabetes	41
Dementia	19
Cancer	24

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Choon S. Koo, MD treated as a pathologist in Upland, CA during 2021 were lab tests and cytology.

Volume of procedures performed by Dr. Choon S. Koo, MD for Medicare patients.

cytology	48
lab tests	297

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Choon S. Koo, MD.

**Gender**
Male	210
Female	274

**Ethnicity**
Non-Hispanic White	289
Black	31
Hispanic	118
Asian	35
Other	0
Native American	0

**Age**
From 65 to 74	244
From 75 to 84	138
85 and over	55
Less than 65	47

Conditions of Medicare patients treated by Dr. Choon S. Koo, MD in 2021

Hypertension	75
High Cholesterol	68
Stroke	9
Ischemic Heart Disease	47
Depression	24
Chronic Kidney Disease	54
Asthma	9
Osteoperosis	11
Atrial Fibrilation	15
Heart Failure	34
Chronic Obstructive Pulmonary Disease	19
Diabetes	49
Dementia	18
Cancer	19

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Choon S. Koo, MD treated as a pathologist in Upland, CA during 2022 were lab tests and cytology.

Volume of procedures performed by Dr. Choon S. Koo, MD for Medicare patients.

cytology	34
lab tests	310

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Choon S. Koo, MD.

**Gender**
Male	199
Female	243

**Ethnicity**
Non-Hispanic White	256
Black	35
Hispanic	98
Asian	35
Other	0
Native American	0

**Age**
From 65 to 74	214
From 75 to 84	141
85 and over	44
Less than 65	43

Conditions of Medicare patients treated by Dr. Choon S. Koo, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	14
Ischemic Heart Disease	35
Depression	21
Chronic Kidney Disease	37
Asthma	9
Osteoperosis	14
Atrial Fibrilation	22
Heart Failure	28
Chronic Obstructive Pulmonary Disease	18
Diabetes	42
Dementia	7
Cancer	29

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Choon S. Koo, MD for Medicare patients.

The highest averages for the top procedures that Dr. Choon S. Koo, MD treated as a pathologist in Upland, CA were lab tests, cytology and consultation.

consultation	30
cytology	57
lab tests	431

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Choon S. Koo, MD.

**Gender**
Male	256
Female	311

**Ethnicity**
Black / African American	39
Asian / Pacific Islander	40
Non-Hispanic White	342
Hispanic	127
Native American / Alaskan Native	0
Other	7

**Age**
75 to 84	163
85 and over	62
Less than 65	76
65 to 74	264

Average of Total of Conditions of Medicare patients treated by Dr. Choon S. Koo, MD From 2012 - 2022

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

Hypertension	68
High Cholesterol	58
Stroke	6
Ischemic Heart Disease	42
Depression	20
Chronic Kidney Disease	39
Asthma	9
Osteoporosis	10
Heart Failure	28
Chronic Obstructive Pulmonary Disease	17
Diabetes	37
Atrial Fibrillation	12
Cancer	20
Dementia	11

Education & Training

He has a state license in California.

Licensed In: California

Affiliations & Hospitals

Dr. Choon S. Koo, MD is associated with these hospitals and organizations:

EXCEL PATHOLOGY

Ratings & Reviews

Dr. Choon S. Koo, MD does not have any reviews yet, be the first to leave a review of Dr. Choon S. Koo, MD here: Leave a Review

(No ratings)

Leave a Review

Biography

Dr. Choon Koo, who practices in Upland, CA, is a medical specialist in pathology. Dr. Koo has obtained a license to practice in California.

Select Year:

Dr. Choon S. Koo, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Choon S. Koo, MD in 2023

By Affordability:

By Affordability:

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. Choon S. Koo, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Choon S. Koo, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Choon S. Koo, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Choon S. Koo, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Choon S. Koo, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Choon S. Koo, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Choon S. Koo, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Choon S. Koo, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Choon S. Koo, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Choon S. Koo, 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. Choon S. Koo, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

Biography

Pathologists in Nearby Locations

Other Providers in Upland, CA