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Home > KY Providers

Dr. Don Ryan Duff, MD

(2 Ratings)

Specializes in: Adult Nephrology

University of Louisville School of Medicine

727 Mount Tabor Road Suite A
New Albany, IN 47150

(812) 981-3111

Dr. Don Ryan Duff, MD is a nephrologist in Louisville, KY specializing in adult nephrology. He graduated from University of Louisville School of Medicine. Dr. Don Ryan Duff, MD is affiliated with Baptist Health.

Office Locations

3999 Dutchmans Lane Suite 4a
Louisville, KY 40207

(502) 365-2655

(502) 365-2770

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Baptist Health

721 South Preston Street
Louisville, KY 40203

(502) 583-1799

(502) 583-1792

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727 Mount Tabor Road Suite A
New Albany, IN 47150

(812) 981-3111

(812) 981-3829

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Noteworthy Medicare Patient Procedures Performed by Dr. Don Ryan Duff, MD in 2024

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

Top 25%

By Volume:

inpatient hospital care

In 2012, Dr. Don Ryan Duff, MD performed more inpatient hospital care (for patient admitted to hospital) procedures for Medicare patients than 75% of providers in related specialties within Kentucky.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Don Ryan Duff, MD treated as a nephrologist in Louisville, KY during 2012 were hospital care, inpatient care, lab tests and dialysis.

Volume of procedures performed by Dr. Don Ryan Duff, MD for Medicare patients.

dialysis	47
doctor visit	546
hospital care	885
inpatient care	885
lab tests	75

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Don Ryan Duff, MD treated as a nephrologist in Louisville, KY during 2013 were hospital care, inpatient care, lab tests and dialysis.

Volume of procedures performed by Dr. Don Ryan Duff, MD for Medicare patients.

dialysis	26
doctor visit	504
hospital care	655
inpatient care	655
lab tests	37

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Don Ryan Duff, MD.

**Gender**
Male	365
Female	323

**Ethnicity**
Non-Hispanic White	561
Black	104
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	222
From 75 to 84	201
85 and over	86
Less than 65	179

Conditions of Medicare patients treated by Dr. Don Ryan Duff, MD in 2013

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	66
Depression	31
Chronic Kidney Disease	75
Asthma	12
Osteoperosis	7
Atrial Fibrilation	26
Heart Failure	59
Chronic Obstructive Pulmonary Disease	36
Diabetes	64
Dementia	16
Cancer	14

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Don Ryan Duff, MD treated as a nephrologist in Louisville, KY during 2014 were hospital care, inpatient care, dialysis and lab tests.

Volume of procedures performed by Dr. Don Ryan Duff, MD for Medicare patients.

dialysis	33
doctor visit	610
hospital care	661
inpatient care	661
lab tests	28

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Don Ryan Duff, MD.

**Gender**
Male	397
Female	382

**Ethnicity**
Non-Hispanic White	651
Black	112
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	248
From 75 to 84	244
85 and over	90
Less than 65	197

Conditions of Medicare patients treated by Dr. Don Ryan Duff, MD in 2014

Hypertension	75
High Cholesterol	72
Stroke	8
Ischemic Heart Disease	60
Depression	29
Chronic Kidney Disease	75
Asthma	12
Osteoperosis	8
Atrial Fibrilation	28
Heart Failure	54
Chronic Obstructive Pulmonary Disease	35
Diabetes	63
Dementia	16
Cancer	11

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Don Ryan Duff, MD treated as a nephrologist in Louisville, KY during 2015 were hospital care, inpatient care and dialysis.

Volume of procedures performed by Dr. Don Ryan Duff, MD for Medicare patients.

dialysis	36
doctor visit	501
hospital care	1152
inpatient care	1152

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Don Ryan Duff, MD.

**Gender**
Male	848
Female	738

**Ethnicity**
Non-Hispanic White	1284
Black	256
Hispanic	22
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	544
From 75 to 84	440
85 and over	230
Less than 65	372

Conditions of Medicare patients treated by Dr. Don Ryan Duff, MD in 2015

Hypertension	75
High Cholesterol	73
Stroke	10
Ischemic Heart Disease	64
Depression	32
Chronic Kidney Disease	75
Asthma	23
Osteoperosis	6
Atrial Fibrilation	29
Heart Failure	60
Chronic Obstructive Pulmonary Disease	37
Diabetes	63
Dementia	16
Cancer	13

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Don Ryan Duff, MD treated as a nephrologist in Louisville, KY during 2016 were hospital care, inpatient care and dialysis.

Volume of procedures performed by Dr. Don Ryan Duff, MD for Medicare patients.

dialysis	36
doctor visit	588
hospital care	715
inpatient care	715

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Don Ryan Duff, MD.

**Gender**
Male	380
Female	371

**Ethnicity**
Non-Hispanic White	618
Black	113
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	279
From 75 to 84	210
85 and over	93
Less than 65	169

Conditions of Medicare patients treated by Dr. Don Ryan Duff, MD in 2016

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	64
Depression	29
Chronic Kidney Disease	75
Asthma	36
Osteoperosis	7
Atrial Fibrilation	29
Heart Failure	58
Chronic Obstructive Pulmonary Disease	34
Diabetes	64
Dementia	16
Cancer	12

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Don Ryan Duff, MD treated as a nephrologist in Louisville, KY during 2017 were hospital care, inpatient care and dialysis.

Volume of procedures performed by Dr. Don Ryan Duff, MD for Medicare patients.

dialysis	28
doctor visit	223
hospital care	497
inpatient care	497

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Don Ryan Duff, MD.

**Gender**
Male	244
Female	216

**Ethnicity**
Non-Hispanic White	373
Black	75
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	153
From 75 to 84	130
85 and over	58
Less than 65	119

Conditions of Medicare patients treated by Dr. Don Ryan Duff, MD in 2017

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	66
Depression	32
Chronic Kidney Disease	75
Asthma	10
Osteoperosis	6
Atrial Fibrilation	30
Heart Failure	60
Chronic Obstructive Pulmonary Disease	33
Diabetes	66
Dementia	20
Cancer	12

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Don Ryan Duff, MD treated as a nephrologist in Louisville, KY during 2018 were hospital care, inpatient care and dialysis.

Volume of procedures performed by Dr. Don Ryan Duff, MD for Medicare patients.

dialysis	16
doctor visit	392
hospital care	1202
inpatient care	1202

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Don Ryan Duff, MD.

**Gender**
Male	149
Female	163

**Ethnicity**
Non-Hispanic White	262
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	117
From 75 to 84	83
85 and over	40
Less than 65	72

Conditions of Medicare patients treated by Dr. Don Ryan Duff, MD in 2018

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	60
Depression	40
Chronic Kidney Disease	75
Asthma	10
Osteoperosis	7
Atrial Fibrilation	26
Heart Failure	53
Chronic Obstructive Pulmonary Disease	33
Diabetes	61
Dementia	17
Cancer	11

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Don Ryan Duff, MD treated as a nephrologist in Louisville, KY during 2019 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Don Ryan Duff, MD for Medicare patients.

doctor visit	686
hospital care	1911
inpatient care	1862
outpatient care	49

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Don Ryan Duff, MD.

**Gender**
Male	295
Female	298

**Ethnicity**
Non-Hispanic White	497
Black	76
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	245
From 75 to 84	176
85 and over	71
Less than 65	101

Conditions of Medicare patients treated by Dr. Don Ryan Duff, MD in 2019

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	60
Depression	41
Chronic Kidney Disease	75
Asthma	10
Osteoperosis	9
Atrial Fibrilation	27
Heart Failure	50
Chronic Obstructive Pulmonary Disease	34
Diabetes	57
Dementia	19
Cancer	14

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Don Ryan Duff, MD treated as a nephrologist in Louisville, KY during 2020 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Don Ryan Duff, MD for Medicare patients.

doctor visit	760
hospital care	1786
inpatient care	1744
outpatient care	42

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Don Ryan Duff, MD.

**Gender**
Male	332
Female	333

**Ethnicity**
Non-Hispanic White	550
Black	83
Hispanic	0
Asian	0
Other	14
Native American	0

**Age**
From 65 to 74	275
From 75 to 84	204
85 and over	99
Less than 65	87

Conditions of Medicare patients treated by Dr. Don Ryan Duff, MD in 2020

Hypertension	75
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	57
Depression	33
Chronic Kidney Disease	75
Asthma	7
Osteoperosis	10
Atrial Fibrilation	23
Heart Failure	49
Chronic Obstructive Pulmonary Disease	34
Diabetes	54
Dementia	21
Cancer	14

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Don Ryan Duff, MD treated as a nephrologist in Louisville, KY during 2021 were hospital care and inpatient care.

Volume of procedures performed by Dr. Don Ryan Duff, MD for Medicare patients.

doctor visit	722
hospital care	1357
inpatient care	1357

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Don Ryan Duff, MD.

**Gender**
Male	286
Female	339

**Ethnicity**
Non-Hispanic White	516
Black	78
Hispanic	0
Asian	0
Other	14
Native American	0

**Age**
From 65 to 74	241
From 75 to 84	209
85 and over	95
Less than 65	80

Conditions of Medicare patients treated by Dr. Don Ryan Duff, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	55
Depression	30
Chronic Kidney Disease	75
Asthma	8
Osteoperosis	9
Atrial Fibrilation	23
Heart Failure	45
Chronic Obstructive Pulmonary Disease	27
Diabetes	54
Dementia	19
Cancer	13

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Don Ryan Duff, MD treated as a nephrologist in Louisville, KY during 2022 were hospital care and inpatient care.

Volume of procedures performed by Dr. Don Ryan Duff, MD for Medicare patients.

doctor visit	891
hospital care	1452
inpatient care	1452

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Don Ryan Duff, MD.

**Gender**
Male	366
Female	390

**Ethnicity**
Non-Hispanic White	620
Black	90
Hispanic	0
Asian	0
Other	25
Native American	0

**Age**
From 65 to 74	301
From 75 to 84	263
85 and over	108
Less than 65	84

Conditions of Medicare patients treated by Dr. Don Ryan Duff, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	42
Depression	29
Chronic Kidney Disease	75
Asthma	8
Osteoperosis	12
Atrial Fibrilation	32
Heart Failure	38
Chronic Obstructive Pulmonary Disease	28
Diabetes	56
Dementia	11
Cancer	21

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Don Ryan Duff, MD treated as a nephrologist in Louisville, KY during 2023 were hospital care and inpatient care.

Volume of procedures performed by Dr. Don Ryan Duff, MD for Medicare patients.

doctor visit	861
hospital care	1524
inpatient care	1524

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Don Ryan Duff, MD.

**Gender**
Male	377
Female	372

**Ethnicity**
Non-Hispanic White	623
Black	83
Hispanic	0
Asian	0
Other	28
Native American	0

**Age**
From 65 to 74	304
From 75 to 84	272
85 and over	104
Less than 65	69

Conditions of Medicare patients treated by Dr. Don Ryan Duff, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	12
Ischemic Heart Disease	42
Depression	27
Chronic Kidney Disease	75
Asthma	11
Osteoperosis	13
Atrial Fibrilation	32
Heart Failure	36
Chronic Obstructive Pulmonary Disease	26
Diabetes	56
Dementia	11
Cancer	21

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Don Ryan Duff, MD treated as a nephrologist in Louisville, KY during 2024 were hospital care and inpatient care.

Volume of procedures performed by Dr. Don Ryan Duff, MD for Medicare patients.

doctor visit	779
hospital care	1133
inpatient care	1133

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Don Ryan Duff, MD.

**Gender**
Male	381
Female	349

**Ethnicity**
Non-Hispanic White	616
Black	72
Hispanic	0
Asian	0
Other	28
Native American	0

**Age**
From 65 to 74	279
From 75 to 84	268
85 and over	128
Less than 65	55

Conditions of Medicare patients treated by Dr. Don Ryan Duff, MD in 2024

Hypertension	75
High Cholesterol	75
Stroke	12
Ischemic Heart Disease	43
Depression	24
Chronic Kidney Disease	75
Asthma	11
Osteoperosis	13
Atrial Fibrilation	31
Heart Failure	35
Chronic Obstructive Pulmonary Disease	26
Diabetes	55
Dementia	9
Cancer	21

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Don Ryan Duff, MD for Medicare patients.

The highest averages for the top procedures that Dr. Don Ryan Duff, MD treated as a nephrologist in Louisville, KY were hospital care, inpatient care, lab tests and outpatient care.

dialysis	31
doctor visit	620
hospital care	1148
inpatient care	1141
lab tests	46
outpatient care	45

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Don Ryan Duff, MD.

**Gender**
Male	340
Female	328

**Ethnicity**
Black / African American	87
Asian / Pacific Islander	0
Non-Hispanic White	551
Native American / Alaskan Native	0
Hispanic	1
Other	8

**Age**
75 to 84	207
85 and over	92
Less than 65	121
65 to 74	246

Average of Total of Conditions of Medicare patients treated by Dr. Don Ryan Duff, MD From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. Don Ryan Duff, MD treated were chronic kidney disease, hypertension, high cholesterol and diabetes.

Hypertension	69
High Cholesterol	68
Stroke	8
Ischemic Heart Disease	52
Depression	29
Chronic Kidney Disease	69
Asthma	12
Osteoporosis	8
Heart Failure	45
Chronic Obstructive Pulmonary Disease	29
Diabetes	54
Atrial Fibrillation	25
Cancer	13
Dementia	14

Education & Training

Dr. Don Ryan Duff, MD graduated from University of Louisville School of Medicine. He completed residency at University of Louisville Affiliated Hospitals. He is certified by the American Board of Internal Medicine - American Board of Internal Medicine and has a state license in Kentucky.

Medical School: University of Louisville School of Medicine

Residency: University of Louisville Affiliated Hospitals

Board Certification: American Board of Internal Medicine - American Board of Internal Medicine

Licensed In: Kentucky

Ratings & Reviews

Dr. Don Ryan Duff, MD has a high overall rating with an average of 3.5 out of 5 stars based on 2 ratings. We collect ratings and reviews of Dr. Don Ryan Duff, MD from all over the web to help you find the right in Louisville, KY.

3.5

Overall Rating

(2 Ratings)

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General Payments

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

**Payments by Company**
Amgen Inc.	$231 Sensipar $147	Parsabiv $84
Questcor Pharmaceuticals	$191 ACTHAR $191
Keryx Biopharmaceuticals, Inc.	$164 Auryxia $164
Fresenius USA Marketing, Inc.	$153 Velphoro $83	2008K At Home $13	$57
Alexion Pharmaceuticals, Inc.	$100 SOLIRIS $100
Other	$597 VELTASSA $83	PROCYSBI $74	SAMSCA $70	RENVELA $47	Rayaldee $34	Other $289

**Types of Payments**
Food and Beverage	$1,373
Education	$43
Consulting Fee	$21

Biography

Dr. Don Duff's area of specialization is adult nephrology. His professional affiliations include Baptist Health Louisville, Baptist Health Floyd, and Baptist Health. After completing medical school at the University of Louisville School of Medicine, Dr. Duff performed his residency at a hospital affiliated with the University of Louisville.