In 2023, among providers in related specialties within Tennessee, Dr. Timothy K. Duffin, MD performed more biopsy, core needle prostate biopsy, non-indwelling urethral catheter insertion, prostate biopsy, prostate punch biopsy, and shock wave lithotripsy procedures for Medicare patients than 95% of them and he also had a list price for core needle prostate biopsy, cystoscopy, diagnostic cystoscopy, prostate biopsy, and prostate punch biopsy that was lower than the list prices billed to Medicare by 95% 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 10%

By Volume:

post void residual study

urologic procedures

In 2023, Dr. Timothy K. Duffin, MD performed more post void residual study, and urologic procedures procedures for Medicare patients than 90% of providers in related specialties within Tennessee.

Top 25%

By Volume:

urinalysis

In 2012, Dr. Timothy K. Duffin, MD performed more urinalysis procedures for Medicare patients than 75% of providers in related specialties within Tennessee.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Timothy K. Duffin, MD treated as a pediatric urologist in Clarksville, TN during 2012 were lab tests, urologic procedures, inpatient care and hospital care.

Volume of procedures performed by Dr. Timothy K. Duffin, MD for Medicare patients.

anorectal procedures	13
catheterization	19
cytology	115
diagnostic procedures	54
doctor visit	1626
hormone therapy	50
hospital care	251
inpatient care	251
lab tests	1197
lithotripsy (stone fragmentation)	11
minimally invasive procedures	109
minor procedures	25
stent placement (stenting)	12
urologic procedures	718

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Timothy K. Duffin, MD treated as a pediatric urologist in Clarksville, TN during 2013 were lab tests, urologic procedures, inpatient care and hospital care.

Volume of procedures performed by Dr. Timothy K. Duffin, MD for Medicare patients.

anorectal procedures	13
catheterization	20
cytology	177
diagnostic procedures	54
doctor visit	1893
foreign body removal	14
hormone therapy	65
hospital care	291
inpatient care	291
lab tests	1442
lithotripsy (stone fragmentation)	18
minimally invasive procedures	166
minor procedures	41
stent placement (stenting)	19
urologic procedures	1026

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy K. Duffin, MD.

**Gender**
Male	827
Female	304

**Ethnicity**
Non-Hispanic White	961
Black	132
Hispanic	22
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	496
From 75 to 84	405
85 and over	142
Less than 65	88

Conditions of Medicare patients treated by Dr. Timothy K. Duffin, MD in 2013

Hypertension	75
High Cholesterol	62
Stroke	5
Ischemic Heart Disease	41
Depression	16
Chronic Kidney Disease	27
Asthma	7
Osteoperosis	5
Atrial Fibrilation	15
Heart Failure	17
Chronic Obstructive Pulmonary Disease	19
Diabetes	35
Dementia	10
Cancer	18

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Timothy K. Duffin, MD treated as a pediatric urologist in Clarksville, TN during 2014 were lab tests, urologic procedures, inpatient care and hospital care.

Volume of procedures performed by Dr. Timothy K. Duffin, MD for Medicare patients.

ablation	11
catheterization	21
diagnostic procedures	30
doctor visit	2131
hormone therapy	44
hospital care	246
inpatient care	246
lab tests	1526
lithotripsy (stone fragmentation)	25
minimally invasive procedures	182
minor procedures	30
potassium test	15
stent placement (stenting)	13
urologic procedures	1110

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy K. Duffin, MD.

**Gender**
Male	831
Female	299

**Ethnicity**
Non-Hispanic White	940
Black	152
Hispanic	17
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	525
From 75 to 84	379
85 and over	133
Less than 65	93

Conditions of Medicare patients treated by Dr. Timothy K. Duffin, MD in 2014

Hypertension	75
High Cholesterol	60
Stroke	4
Ischemic Heart Disease	39
Depression	16
Chronic Kidney Disease	26
Asthma	6
Osteoperosis	5
Atrial Fibrilation	15
Heart Failure	16
Chronic Obstructive Pulmonary Disease	18
Diabetes	35
Dementia	9
Cancer	19

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Timothy K. Duffin, MD treated as a pediatric urologist in Clarksville, TN during 2015 were lab tests, urologic procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Timothy K. Duffin, MD for Medicare patients.

catheterization	36
diagnostic procedures	28
doctor visit	2121
foreign body removal	17
hormone therapy	32
hospital care	336
inpatient care	336
lab tests	1525
lithotripsy (stone fragmentation)	36
minimally invasive procedures	185
minor procedures	28
stent placement (stenting)	24
urologic procedures	1105

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy K. Duffin, MD.

**Gender**
Male	1638
Female	620

**Ethnicity**
Non-Hispanic White	1880
Black	290
Hispanic	36
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	1056
From 75 to 84	764
85 and over	258
Less than 65	180

Conditions of Medicare patients treated by Dr. Timothy K. Duffin, MD in 2015

Hypertension	75
High Cholesterol	61
Stroke	5
Ischemic Heart Disease	39
Depression	17
Chronic Kidney Disease	29
Asthma	12
Osteoperosis	5
Atrial Fibrilation	17
Heart Failure	17
Chronic Obstructive Pulmonary Disease	20
Diabetes	35
Dementia	9
Cancer	19

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Timothy K. Duffin, MD treated as a pediatric urologist in Clarksville, TN during 2016 were lab tests, urologic procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Timothy K. Duffin, MD for Medicare patients.

bulbocavernosus reflex testing	11
catheterization	38
diagnostic procedures	35
doctor visit	2022
foreign body removal	19
hormone therapy	25
hospital care	236
inpatient care	225
lab tests	1442
lithotripsy (stone fragmentation)	38
minimally invasive procedures	199
minor procedures	35
outpatient care	11
stent placement (stenting)	24
urologic procedures	979

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy K. Duffin, MD.

**Gender**
Male	834
Female	287

**Ethnicity**
Non-Hispanic White	928
Black	149
Hispanic	17
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	514
From 75 to 84	382
85 and over	139
Less than 65	86

Conditions of Medicare patients treated by Dr. Timothy K. Duffin, MD in 2016

Hypertension	75
High Cholesterol	64
Stroke	4
Ischemic Heart Disease	41
Depression	16
Chronic Kidney Disease	34
Asthma	23
Osteoperosis	5
Atrial Fibrilation	16
Heart Failure	18
Chronic Obstructive Pulmonary Disease	21
Diabetes	36
Dementia	9
Cancer	20

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Timothy K. Duffin, MD treated as a pediatric urologist in Clarksville, TN during 2017 were lab tests, urologic procedures, inpatient care and hospital care.

Volume of procedures performed by Dr. Timothy K. Duffin, MD for Medicare patients.

ablation	13
anorectal procedures	12
catheterization	56
diagnostic procedures	54
doctor visit	2299
foreign body removal	27
hormone therapy	35
hospital care	258
inpatient care	258
lab tests	1661
lithotripsy (stone fragmentation)	44
minimally invasive procedures	247
minor procedures	42
potassium test	19
stent placement (stenting)	26
urologic procedures	1233

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy K. Duffin, MD.

**Gender**
Male	820
Female	308

**Ethnicity**
Non-Hispanic White	953
Black	127
Hispanic	16
Asian	0
Other	20
Native American	0

**Age**
From 65 to 74	526
From 75 to 84	397
85 and over	136
Less than 65	69

Conditions of Medicare patients treated by Dr. Timothy K. Duffin, MD in 2017

Hypertension	75
High Cholesterol	59
Stroke	4
Ischemic Heart Disease	40
Depression	16
Chronic Kidney Disease	38
Asthma	5
Osteoperosis	5
Atrial Fibrilation	14
Heart Failure	19
Chronic Obstructive Pulmonary Disease	22
Diabetes	36
Dementia	10
Cancer	19

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Timothy K. Duffin, MD treated as a pediatric urologist in Clarksville, TN during 2018 were lab tests, urologic procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Timothy K. Duffin, MD for Medicare patients.

anorectal procedures	20
catheterization	29
diagnostic procedures	57
doctor visit	2406
foreign body removal	15
hormone therapy	42
hospital care	365
inpatient care	347
lab tests	1749
lithotripsy (stone fragmentation)	26
minimally invasive procedures	233
minor procedures	37
outpatient care	18
stent placement (stenting)	24
urologic procedures	1143

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy K. Duffin, MD.

**Gender**
Male	884
Female	352

**Ethnicity**
Non-Hispanic White	1029
Black	148
Hispanic	20
Asian	0
Other	23
Native American	0

**Age**
From 65 to 74	593
From 75 to 84	437
85 and over	136
Less than 65	70

Conditions of Medicare patients treated by Dr. Timothy K. Duffin, MD in 2018

Hypertension	75
High Cholesterol	67
Stroke	4
Ischemic Heart Disease	41
Depression	18
Chronic Kidney Disease	40
Asthma	6
Osteoperosis	5
Atrial Fibrilation	14
Heart Failure	20
Chronic Obstructive Pulmonary Disease	20
Diabetes	37
Dementia	10
Cancer	20

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Timothy K. Duffin, MD treated as a pediatric urologist in Clarksville, TN during 2019 were lab tests, urologic procedures, inpatient care and hospital care.

Volume of procedures performed by Dr. Timothy K. Duffin, MD for Medicare patients.

ablation	12
anorectal procedures	14
catheterization	49
diagnostic procedures	49
doctor visit	2275
foreign body removal	15
hormone therapy	44
hospital care	196
inpatient care	196
lab tests	1664
lithotripsy (stone fragmentation)	23
minimally invasive procedures	188
minor procedures	35
stent placement (stenting)	27
urologic procedures	1189

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy K. Duffin, MD.

**Gender**
Male	885
Female	343

**Ethnicity**
Non-Hispanic White	1024
Black	149
Hispanic	0
Asian	0
Other	25
Native American	0

**Age**
From 65 to 74	589
From 75 to 84	437
85 and over	122
Less than 65	80

Conditions of Medicare patients treated by Dr. Timothy K. Duffin, MD in 2019

Hypertension	75
High Cholesterol	68
Stroke	4
Ischemic Heart Disease	39
Depression	18
Chronic Kidney Disease	39
Asthma	5
Osteoperosis	5
Atrial Fibrilation	13
Heart Failure	19
Chronic Obstructive Pulmonary Disease	20
Diabetes	38
Dementia	10
Cancer	20

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Timothy K. Duffin, MD treated as a pediatric urologist in Clarksville, TN during 2020 were lab tests, urologic procedures, minimally invasive procedures and hospital care.

Volume of procedures performed by Dr. Timothy K. Duffin, MD for Medicare patients.

anorectal procedures	11
catheterization	48
diagnostic procedures	39
doctor visit	2213
foreign body removal	19
hormone therapy	41
hospital care	163
inpatient care	148
lab tests	1665
lithotripsy (stone fragmentation)	19
minimally invasive procedures	214
minor procedures	28
outpatient care	15
stent placement (stenting)	20
urologic procedures	1096

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy K. Duffin, MD.

**Gender**
Male	815
Female	311

**Ethnicity**
Non-Hispanic White	931
Black	135
Hispanic	20
Asian	0
Other	29
Native American	0

**Age**
From 65 to 74	563
From 75 to 84	394
85 and over	111
Less than 65	58

Conditions of Medicare patients treated by Dr. Timothy K. Duffin, MD in 2020

Hypertension	73
High Cholesterol	65
Stroke	3
Ischemic Heart Disease	40
Depression	16
Chronic Kidney Disease	38
Asthma	6
Osteoperosis	5
Atrial Fibrilation	12
Heart Failure	20
Chronic Obstructive Pulmonary Disease	20
Diabetes	37
Dementia	9
Cancer	21

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Timothy K. Duffin, MD treated as a pediatric urologist in Clarksville, TN during 2021 were lab tests, urologic procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Timothy K. Duffin, MD for Medicare patients.

catheterization	73
diagnostic procedures	29
doctor visit	1980
foreign body removal	19
hormone therapy	46
hospital care	171
inpatient care	171
lab tests	1425
lithotripsy (stone fragmentation)	14
minimally invasive procedures	170
minor procedures	29
stent placement (stenting)	20
urologic procedures	1129

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy K. Duffin, MD.

**Gender**
Male	812
Female	251

**Ethnicity**
Non-Hispanic White	875
Black	132
Hispanic	18
Asian	14
Other	24
Native American	0

**Age**
From 65 to 74	524
From 75 to 84	389
85 and over	97
Less than 65	53

Conditions of Medicare patients treated by Dr. Timothy K. Duffin, MD in 2021

Hypertension	75
High Cholesterol	68
Stroke	4
Ischemic Heart Disease	39
Depression	19
Chronic Kidney Disease	39
Asthma	5
Osteoperosis	5
Atrial Fibrilation	12
Heart Failure	22
Chronic Obstructive Pulmonary Disease	18
Diabetes	38
Dementia	10
Cancer	22

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Timothy K. Duffin, MD treated as a pediatric urologist in Clarksville, TN during 2022 were lab tests, urologic procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Timothy K. Duffin, MD for Medicare patients.

catheterization	47
diagnostic procedures	25
doctor visit	1699
foreign body removal	12
hormone therapy	24
hospital care	189
inpatient care	189
lab tests	1229
lithotripsy (stone fragmentation)	16
minimally invasive procedures	126
minor procedures	25
stent placement (stenting)	20
urologic procedures	933

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy K. Duffin, MD.

**Gender**
Male	770
Female	237

**Ethnicity**
Non-Hispanic White	835
Black	121
Hispanic	17
Asian	0
Other	21
Native American	0

**Age**
From 65 to 74	461
From 75 to 84	391
85 and over	105
Less than 65	50

Conditions of Medicare patients treated by Dr. Timothy K. Duffin, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	35
Depression	17
Chronic Kidney Disease	29
Asthma	9
Osteoperosis	7
Atrial Fibrilation	20
Heart Failure	17
Chronic Obstructive Pulmonary Disease	25
Diabetes	38
Dementia	8
Cancer	25

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Timothy K. Duffin, MD treated as a pediatric urologist in Clarksville, TN during 2023 were lab tests, urologic procedures, minimally invasive procedures and minor procedures.

Volume of procedures performed by Dr. Timothy K. Duffin, MD for Medicare patients.

catheterization	17
diagnostic procedures	23
doctor visit	1617
hospital care	11
inpatient care	11
lab tests	1230
lithotripsy (stone fragmentation)	19
minimally invasive procedures	98
minor procedures	23
urologic procedures	1021

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy K. Duffin, MD.

**Gender**
Male	686
Female	206

**Ethnicity**
Non-Hispanic White	743
Black	100
Hispanic	0
Asian	0
Other	22
Native American	0

**Age**
From 65 to 74	395
From 75 to 84	365
85 and over	96
Less than 65	36

Conditions of Medicare patients treated by Dr. Timothy K. Duffin, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	34
Depression	14
Chronic Kidney Disease	27
Asthma	8
Osteoperosis	6
Atrial Fibrilation	20
Heart Failure	16
Chronic Obstructive Pulmonary Disease	23
Diabetes	37
Dementia	6
Cancer	23

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. Timothy K. Duffin, MD for Medicare patients.

The highest averages for the top procedures that Dr. Timothy K. Duffin, MD treated as a pediatric urologist in Clarksville, TN were lab tests, urologic procedures, hospital care and inpatient care.

ablation	12
anorectal procedures	13
catheterization	37
cytology	146
diagnostic procedures	39
doctor visit	2023
foreign body removal	17
hormone therapy	40
hospital care	226
inpatient care	222
lab tests	1479
lithotripsy (stone fragmentation)	24
minimally invasive procedures	176
minor procedures	31
outpatient care	14
potassium test	17
stent placement (stenting)	20
urologic procedures	1056

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Timothy K. Duffin, MD.

**Gender**
Male	816
Female	293

**Ethnicity**
Black / African American	136
Asian / Pacific Islander	1
Non-Hispanic White	924
Hispanic	15
Native American / Alaskan Native	0
Other	13

**Age**
75 to 84	395
85 and over	122
Less than 65	71
65 to 74	520

Average of Total of Conditions of Medicare patients treated by Dr. Timothy K. Duffin, MD From 2012 - 2023

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

Hypertension	68
High Cholesterol	60
Stroke	4
Ischemic Heart Disease	35
Depression	15
Chronic Kidney Disease	30
Asthma	7
Osteoporosis	4
Heart Failure	16
Chronic Obstructive Pulmonary Disease	18
Diabetes	33
Atrial Fibrillation	14
Cancer	18
Dementia	8

Education & Training

He has a state license in Tennessee.

Licensed In: Tennessee

Ratings & Reviews

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General Payments

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

**Payments by Company**
Auxilium Pharmaceuticals, Inc.	$3,916 XIAFLEX $3,884	TESTIM $17	STENDRA $15
Astellas Pharma US Inc	$1,066 Myrbetriq $441	Vesicare $308	XTANDI $78	$239
PROCEPT BioRobotics Corporation	$605 AquaBeam Robotic System $605
Teleflex Medical Incorporated	$343 SURGICAL $343
Augmenix, Inc.	$262 SpaceOAR $262
Other	$1,576 XIAFLEX $178	Sacral Nerve Stimulation - Neuro $153	VIAGRA $143	Urolift $137	KEYTRUDA $75	Other $891

**Types of Payments**
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$3,832
Food and Beverage	$2,840
Education	$460
Gift	$343
Travel and Lodging	$293

Biography

Dr. Timothy Duffin is a medical specialist in pediatric urology. Dr. Duffin is a graduate of George Washington University School of Medicine and Health Sciences.

Select Year:

Dr. Timothy K. Duffin, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Timothy K. Duffin, MD in 2023

By Volume:

By Affordability:

By Volume:

By Volume:

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. Timothy K. Duffin, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Timothy K. Duffin, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Timothy K. Duffin, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Timothy K. Duffin, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Timothy K. Duffin, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Timothy K. Duffin, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Timothy K. Duffin, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Timothy K. Duffin, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Timothy K. Duffin, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Timothy K. Duffin, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Timothy K. Duffin, MD in 2023

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Average Medicare Patient Data From 2012 - 2023

Average of Total of Conditions of Medicare patients treated by Dr. Timothy K. Duffin, MD From 2012 - 2023

Education & Training

Ratings & Reviews

General Payments

Biography

Pediatric Urologists in Nearby Locations

Other Providers in Clarksville, TN