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Home > ID Providers > Cytopathologists

Dr. Jack C. Chaffin JR., MD

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Specializes in: Cytopathology

Loma Linda University School of Medicine

1055 North Curtis Road
Boise, ID 83706

(208) 367-2121

Dr. Jack C. Chaffin JR., MD is a cytopathologist in Boise, ID specializing in cytopathology. He graduated from Loma Linda University School of Medicine. Dr. Jack C. Chaffin JR., MD is affiliated with Saint Alphonsus Health System and SAINT ALPHONSUS REGIONAL MEDICAL CENTER INC.

Office Locations

1055 North Curtis Road
Boise, ID 83706

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In The News

“Dr. Jack Chaffin, Jr., an evangelical Christian who enthusiastically attended several Willow Creek Community Church Leadership Summits during the 1990s and early 2000s, told Breitbart News on...”—"Disappointed Evangelical Says Willow Creek Pro-Immigration Stance Started With Shift to Social Justice In 2005", Breitbart, June 2013

Noteworthy Medicare Patient Procedures Performed by Dr. Jack C. Chaffin JR., MD in 2023

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

Top 5%

By Volume:

cytology

lab tests

non-gynecologic liquid-based cytology

serum protein electrophoresis

urine protein electrophoresis

In 2023, Dr. Jack C. Chaffin JR., MD performed more cytology, lab tests, non-gynecologic liquid-based cytology, serum protein electrophoresis (SPEP), and urine protein electrophoresis procedures for Medicare patients than 95% of providers in related specialties within Idaho.

Top 25%

By Volume:

intraoperative pathology consultation

In 2013, Dr. Jack C. Chaffin JR., MD performed more intraoperative pathology consultation procedures for Medicare patients than 75% of providers in related specialties within Idaho.

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Jack C. Chaffin JR., MD treated as a cytopathologist in Boise, ID during 2013 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Jack C. Chaffin JR., MD for Medicare patients.

consultation	44
cytology	73
lab tests	549

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Jack C. Chaffin JR., MD.

**Gender**
Male	397
Female	505

**Ethnicity**
Non-Hispanic White	821
Black	0
Hispanic	49
Asian	12
Other	0
Native American	0

**Age**
From 65 to 74	368
From 75 to 84	259
85 and over	83
Less than 65	192

Conditions of Medicare patients treated by Dr. Jack C. Chaffin JR., MD in 2013

The most common conditions of Medicare patients that Dr. Jack C. Chaffin JR., MD treated during 2013 were hypertension, high cholesterol, depression and diabetes.

Hypertension	66
High Cholesterol	49
Stroke	4
Ischemic Heart Disease	30
Depression	32
Chronic Kidney Disease	26
Asthma	9
Osteoperosis	9
Atrial Fibrilation	13
Heart Failure	19
Chronic Obstructive Pulmonary Disease	21
Diabetes	30
Dementia	7
Cancer	18

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Jack C. Chaffin JR., MD treated as a cytopathologist in Boise, ID during 2014 were lab tests, cytology, consultation and second opinions.

Volume of procedures performed by Dr. Jack C. Chaffin JR., MD for Medicare patients.

consultation	43
cytology	72
lab tests	623
second opinions	24

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Jack C. Chaffin JR., MD.

**Gender**
Male	408
Female	561

**Ethnicity**
Non-Hispanic White	897
Black	0
Hispanic	46
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	388
From 75 to 84	297
85 and over	97
Less than 65	187

Conditions of Medicare patients treated by Dr. Jack C. Chaffin JR., MD in 2014

The most common conditions of Medicare patients that Dr. Jack C. Chaffin JR., MD treated during 2014 were hypertension, high cholesterol, depression and ischemic heart disease.

Hypertension	68
High Cholesterol	52
Stroke	4
Ischemic Heart Disease	34
Depression	34
Chronic Kidney Disease	27
Asthma	10
Osteoperosis	9
Atrial Fibrilation	14
Heart Failure	19
Chronic Obstructive Pulmonary Disease	20
Diabetes	28
Dementia	10
Cancer	21

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Jack C. Chaffin JR., MD treated as a cytopathologist in Boise, ID during 2015 were lab tests, consultation, cytology and second opinions.

Volume of procedures performed by Dr. Jack C. Chaffin JR., MD for Medicare patients.

consultation	88
cytology	48
lab tests	312
second opinions	21

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Jack C. Chaffin JR., MD.

**Gender**
Male	590
Female	818

**Ethnicity**
Non-Hispanic White	1284
Black	0
Hispanic	68
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	666
From 75 to 84	352
85 and over	130
Less than 65	260

Conditions of Medicare patients treated by Dr. Jack C. Chaffin JR., MD in 2015

The most common conditions of Medicare patients that Dr. Jack C. Chaffin JR., MD treated during 2015 were hypertension, high cholesterol, depression and ischemic heart disease.

Hypertension	66
High Cholesterol	49
Stroke	5
Ischemic Heart Disease	31
Depression	37
Chronic Kidney Disease	30
Asthma	18
Osteoperosis	11
Atrial Fibrilation	14
Heart Failure	19
Chronic Obstructive Pulmonary Disease	24
Diabetes	30
Dementia	9
Cancer	23

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Jack C. Chaffin JR., MD treated as a cytopathologist in Boise, ID during 2016 were lab tests, consultation and cytology.

Volume of procedures performed by Dr. Jack C. Chaffin JR., MD for Medicare patients.

consultation	59
cytology	50
lab tests	311

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Jack C. Chaffin JR., MD.

**Gender**
Male	284
Female	357

**Ethnicity**
Non-Hispanic White	580
Black	0
Hispanic	31
Asian	0
Other	14
Native American	0

**Age**
From 65 to 74	274
From 75 to 84	180
85 and over	67
Less than 65	120

Conditions of Medicare patients treated by Dr. Jack C. Chaffin JR., MD in 2016

The most common conditions of Medicare patients that Dr. Jack C. Chaffin JR., MD treated during 2016 were hypertension, high cholesterol, chronic kidney disease and depression.

Hypertension	69
High Cholesterol	51
Stroke	4
Ischemic Heart Disease	28
Depression	34
Chronic Kidney Disease	36
Asthma	24
Osteoperosis	10
Atrial Fibrilation	13
Heart Failure	22
Chronic Obstructive Pulmonary Disease	19
Diabetes	30
Dementia	12
Cancer	22

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Jack C. Chaffin JR., MD treated as a cytopathologist in Boise, ID during 2017 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Jack C. Chaffin JR., MD for Medicare patients.

consultation	42
cytology	47
lab tests	249

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Jack C. Chaffin JR., MD.

**Gender**
Male	251
Female	374

**Ethnicity**
Non-Hispanic White	578
Black	0
Hispanic	26
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	291
From 75 to 84	165
85 and over	51
Less than 65	118

Conditions of Medicare patients treated by Dr. Jack C. Chaffin JR., MD in 2017

The most common conditions of Medicare patients that Dr. Jack C. Chaffin JR., MD treated during 2017 were hypertension, high cholesterol, chronic kidney disease and depression.

Hypertension	69
High Cholesterol	43
Stroke	3
Ischemic Heart Disease	34
Depression	36
Chronic Kidney Disease	38
Asthma	10
Osteoperosis	10
Atrial Fibrilation	13
Heart Failure	20
Chronic Obstructive Pulmonary Disease	21
Diabetes	30
Dementia	11
Cancer	22

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Jack C. Chaffin JR., MD treated as a cytopathologist in Boise, ID during 2018 were lab tests, consultation and cytology.

Volume of procedures performed by Dr. Jack C. Chaffin JR., MD for Medicare patients.

consultation	74
cytology	41
lab tests	301

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Jack C. Chaffin JR., MD.

**Gender**
Male	277
Female	341

**Ethnicity**
Non-Hispanic White	557
Black	0
Hispanic	28
Asian	0
Other	13
Native American	0

**Age**
From 65 to 74	295
From 75 to 84	181
85 and over	46
Less than 65	96

Conditions of Medicare patients treated by Dr. Jack C. Chaffin JR., MD in 2018

The most common conditions of Medicare patients that Dr. Jack C. Chaffin JR., MD treated during 2018 were hypertension, high cholesterol, chronic kidney disease and depression.

Hypertension	71
High Cholesterol	59
Stroke	6
Ischemic Heart Disease	33
Depression	34
Chronic Kidney Disease	42
Asthma	9
Osteoperosis	12
Atrial Fibrilation	16
Heart Failure	22
Chronic Obstructive Pulmonary Disease	18
Diabetes	30
Dementia	10
Cancer	21

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Jack C. Chaffin JR., MD treated as a cytopathologist in Boise, ID during 2019 were lab tests, cytology, consultation and second opinions.

Volume of procedures performed by Dr. Jack C. Chaffin JR., MD for Medicare patients.

consultation	26
cytology	36
lab tests	501
second opinions	14

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Jack C. Chaffin JR., MD.

**Gender**
Male	392
Female	495

**Ethnicity**
Non-Hispanic White	802
Black	0
Hispanic	51
Asian	0
Other	18
Native American	0

**Age**
From 65 to 74	430
From 75 to 84	262
85 and over	59
Less than 65	136

Conditions of Medicare patients treated by Dr. Jack C. Chaffin JR., MD in 2019

The most common conditions of Medicare patients that Dr. Jack C. Chaffin JR., MD treated during 2019 were hypertension, high cholesterol, chronic kidney disease and depression.

Hypertension	69
High Cholesterol	52
Stroke	4
Ischemic Heart Disease	32
Depression	34
Chronic Kidney Disease	41
Asthma	10
Osteoperosis	13
Atrial Fibrilation	13
Heart Failure	21
Chronic Obstructive Pulmonary Disease	19
Diabetes	33
Dementia	11
Cancer	21

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Jack C. Chaffin JR., MD treated as a cytopathologist in Boise, ID during 2020 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Jack C. Chaffin JR., MD for Medicare patients.

consultation	52
cytology	62
lab tests	547

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Jack C. Chaffin JR., MD.

**Gender**
Male	392
Female	443

**Ethnicity**
Non-Hispanic White	759
Black	0
Hispanic	35
Asian	0
Other	22
Native American	0

**Age**
From 65 to 74	420
From 75 to 84	240
85 and over	68
Less than 65	107

Conditions of Medicare patients treated by Dr. Jack C. Chaffin JR., MD in 2020

The most common conditions of Medicare patients that Dr. Jack C. Chaffin JR., MD treated during 2020 were hypertension, high cholesterol, chronic kidney disease and depression.

Hypertension	65
High Cholesterol	52
Stroke	4
Ischemic Heart Disease	29
Depression	32
Chronic Kidney Disease	40
Asthma	9
Osteoperosis	10
Atrial Fibrilation	12
Heart Failure	21
Chronic Obstructive Pulmonary Disease	19
Diabetes	30
Dementia	9
Cancer	24

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Jack C. Chaffin JR., MD treated as a cytopathologist in Boise, ID during 2021 were lab tests, consultation and cytology.

Volume of procedures performed by Dr. Jack C. Chaffin JR., MD for Medicare patients.

consultation	57
cytology	38
lab tests	472

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Jack C. Chaffin JR., MD.

**Gender**
Male	333
Female	417

**Ethnicity**
Non-Hispanic White	684
Black	0
Hispanic	29
Asian	0
Other	24
Native American	0

**Age**
From 65 to 74	337
From 75 to 84	250
85 and over	75
Less than 65	88

Conditions of Medicare patients treated by Dr. Jack C. Chaffin JR., MD in 2021

The most common conditions of Medicare patients that Dr. Jack C. Chaffin JR., MD treated during 2021 were hypertension, high cholesterol, chronic kidney disease and ischemic heart disease.

Hypertension	68
High Cholesterol	56
Stroke	4
Ischemic Heart Disease	31
Depression	30
Chronic Kidney Disease	43
Asthma	10
Osteoperosis	12
Atrial Fibrilation	15
Heart Failure	25
Chronic Obstructive Pulmonary Disease	18
Diabetes	30
Dementia	11
Cancer	21

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Jack C. Chaffin JR., MD treated as a cytopathologist in Boise, ID during 2022 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Jack C. Chaffin JR., MD for Medicare patients.

consultation	34
cytology	36
lab tests	361

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Jack C. Chaffin JR., MD.

**Gender**
Male	289
Female	330

**Ethnicity**
Non-Hispanic White	575
Black	0
Hispanic	24
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	298
From 75 to 84	187
85 and over	66
Less than 65	68

Conditions of Medicare patients treated by Dr. Jack C. Chaffin JR., MD in 2022

The most common conditions of Medicare patients that Dr. Jack C. Chaffin JR., MD treated during 2022 were hypertension, high cholesterol, diabetes and depression.

Hypertension	73
High Cholesterol	68
Stroke	8
Ischemic Heart Disease	24
Depression	27
Chronic Kidney Disease	26
Asthma	11
Osteoperosis	18
Atrial Fibrilation	22
Heart Failure	19
Chronic Obstructive Pulmonary Disease	19
Diabetes	28
Dementia	7
Cancer	26

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Jack C. Chaffin JR., MD treated as a cytopathologist in Boise, ID during 2023 were lab tests, consultation and cytology.

Volume of procedures performed by Dr. Jack C. Chaffin JR., MD for Medicare patients.

consultation	55
cytology	49
lab tests	535

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Jack C. Chaffin JR., MD.

**Gender**
Male	350
Female	397

**Ethnicity**
Non-Hispanic White	677
Black	0
Hispanic	29
Asian	0
Other	25
Native American	0

**Age**
From 65 to 74	355
From 75 to 84	245
85 and over	63
Less than 65	84

Conditions of Medicare patients treated by Dr. Jack C. Chaffin JR., MD in 2023

The most common conditions of Medicare patients that Dr. Jack C. Chaffin JR., MD treated during 2023 were hypertension, high cholesterol, diabetes and chronic kidney disease.

Hypertension	75
High Cholesterol	67
Stroke	8
Ischemic Heart Disease	28
Depression	24
Chronic Kidney Disease	31
Asthma	12
Osteoperosis	17
Atrial Fibrilation	24
Heart Failure	21
Chronic Obstructive Pulmonary Disease	19
Diabetes	33
Dementia	8
Cancer	28

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2013 - 2023

Volume of procedures performed by Dr. Jack C. Chaffin JR., MD for Medicare patients.

The highest averages for the top procedures that Dr. Jack C. Chaffin JR., MD treated as a cytopathologist in Boise, ID were lab tests, consultation, cytology and second opinions.

consultation	52
cytology	50
lab tests	432
second opinions	19

Average Medicare Patient Data From 2013 - 2023

Information about Medicare patients treated by Dr. Jack C. Chaffin JR., MD.

**Gender**
Male	360
Female	458

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	1
Non-Hispanic White	746
Native American / Alaskan Native	0
Hispanic	37
Other	10

**Age**
75 to 84	238
85 and over	73
Less than 65	132
65 to 74	374

Average of Total of Conditions of Medicare patients treated by Dr. Jack C. Chaffin JR., MD From 2013 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Jack C. Chaffin JR., MD treated were hypertension, high cholesterol, chronic kidney disease and depression.

Hypertension	69
High Cholesterol	54
Stroke	4
Ischemic Heart Disease	30
Depression	32
Chronic Kidney Disease	34
Asthma	12
Osteoporosis	11
Heart Failure	20
Chronic Obstructive Pulmonary Disease	19
Diabetes	30
Atrial Fibrillation	15
Cancer	22
Dementia	9

Education & Training

Dr. Jack C. Chaffin JR., MD graduated from Loma Linda University School of Medicine. He completed residency at San Antonio Military Medical Center. He is certified by the Cytopathology, Board Certified and has a state license in Idaho.

Medical School: Loma Linda University School of Medicine

Residency: San Antonio Military Medical Center

Board Certification: Cytopathology, Board Certified

Licensed In: Idaho

Affiliations & Hospitals

Dr. Jack C. Chaffin JR., MD is associated with these hospitals and organizations:

Saint Alphonsus Health System

SAINT ALPHONSUS REGIONAL MEDICAL CENTER INC

Ratings & Reviews

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General Payments

These charts describe general payments received by Dr. Jack C. Chaffin JR., MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Stemline Therapeutics Inc.	$105 ELZONRIS $105
Hologic, LLC	$90 APTIMA COMBO 2 $27	THINPREP 2000 PROCESSOR $24	Aptima $20	$19
HOLOGIC INC	$16 HPV $16

**Types of Payments**
Food and Beverage	$211

Biography

Dr. Jack Chaffin specializes in cytopathology. He is affiliated with Saint Alphonsus Health System. Dr. Chaffin is a graduate of Loma Linda University School of Medicine and a graduate of San Antonio Military Medical Center's residency program.

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Dr. Jack C. Chaffin JR., MD

Office Locations

In The News

Noteworthy Medicare Patient Procedures Performed by Dr. Jack C. Chaffin JR., MD in 2023

By Volume:

By Volume:

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jack C. Chaffin JR., MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jack C. Chaffin JR., MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jack C. Chaffin JR., MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jack C. Chaffin JR., MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jack C. Chaffin JR., MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jack C. Chaffin JR., MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jack C. Chaffin JR., MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jack C. Chaffin JR., MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jack C. Chaffin JR., MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jack C. Chaffin JR., MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jack C. Chaffin JR., MD in 2023

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2013 - 2023

Average Medicare Patient Data From 2013 - 2023

Average of Total of Conditions of Medicare patients treated by Dr. Jack C. Chaffin JR., MD From 2013 - 2023

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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