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Dr. Darol D. Joseff, MD

(Dr. Darol Joseff, M.D.)

(No ratings)

Specializes in: Adult Nephrology

2428 Castillo Street Suite C
Santa Barbara, CA 93105

(805) 563-2400

Dr. Darol D. Joseff, MD is a nephrologist in Santa Barbara, CA specializing in adult nephrology. Dr. Darol D. Joseff, MD is affiliated with Cottage Health.

Office Locations

2428 Castillo Street Suite C
Santa Barbara, CA 93105

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In The News

“The family would like to especially thank of Dr. Douglas Cummings and Dr. Darol Joseff, who helped keep her going for so long.”—"Mary Claire Fittipaldi of Santa Barbara, 1925-2023 | Obituaries | Noozhawk", Noozhawk, May 2024

“Also on the panel are author Gwyn Lurie, whose grandfather was on dialysis and died from kidney failure; and Dr. Darol Joseff, who will speak in simple terms to demystify the functions and...”—"Film, Panel Discussion Focus on Kidney Disease | Your Health - Noozhawk.com", Noozhawk, March 2017

“Making Informed Medical Decisions: Where to Look and How to Use What You Find,'' by Nancy Oster, Lucy Thomas and Dr. Darol Joseff.”—"BOOKS ON HEALTH; Through the Information Maze (Published 2001)", New York Times, July 2001

Noteworthy Medicare Patient Procedures Performed by Dr. Darol D. Joseff, MD in 2023

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

Top 25%

By Volume:

hemodialysis

By Affordability:

hospital care

inpatient care

inpatient hospital care

In 2012, among providers in related specialties within California, Dr. Darol D. Joseff, MD performed more hemodialysis procedures for Medicare patients than 75% of them and he also had a list price for hospital care, inpatient care, and inpatient hospital care (for patient admitted to hospital) 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. Darol D. Joseff, MD treated as a nephrologist in Santa Barbara, CA during 2012 were hospital care, inpatient care, dialysis and preventive care.

Volume of procedures performed by Dr. Darol D. Joseff, MD for Medicare patients.

dialysis	85
doctor visit	768
hospital care	270
inpatient care	270
preventive care	67
vaccines	67

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Darol D. Joseff, MD treated as a nephrologist in Santa Barbara, CA during 2013 were hospital care, inpatient care, dialysis and preventive care.

Volume of procedures performed by Dr. Darol D. Joseff, MD for Medicare patients.

dialysis	145
doctor visit	732
hospital care	366
inpatient care	366
preventive care	90
vaccines	90

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Darol D. Joseff, MD.

**Gender**
Male	190
Female	170

**Ethnicity**
Non-Hispanic White	258
Black	15
Hispanic	70
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	148
From 75 to 84	107
85 and over	54
Less than 65	51

Conditions of Medicare patients treated by Dr. Darol D. Joseff, MD in 2013

Hypertension	74
High Cholesterol	69
Stroke	8
Ischemic Heart Disease	44
Depression	18
Chronic Kidney Disease	66
Asthma	8
Osteoperosis	12
Atrial Fibrilation	18
Heart Failure	40
Chronic Obstructive Pulmonary Disease	14
Diabetes	44
Dementia	8
Cancer	16

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Darol D. Joseff, MD treated as a nephrologist in Santa Barbara, CA during 2014 were hospital care, inpatient care, dialysis and preventive care.

Volume of procedures performed by Dr. Darol D. Joseff, MD for Medicare patients.

dialysis	178
doctor visit	732
hospital care	380
inpatient care	380
preventive care	107
vaccines	107

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Darol D. Joseff, MD.

**Gender**
Male	200
Female	191

**Ethnicity**
Non-Hispanic White	290
Black	16
Hispanic	63
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	147
From 75 to 84	146
85 and over	52
Less than 65	46

Conditions of Medicare patients treated by Dr. Darol D. Joseff, MD in 2014

Hypertension	75
High Cholesterol	74
Stroke	9
Ischemic Heart Disease	46
Depression	17
Chronic Kidney Disease	65
Asthma	6
Osteoperosis	10
Atrial Fibrilation	17
Heart Failure	37
Chronic Obstructive Pulmonary Disease	11
Diabetes	42
Dementia	9
Cancer	15

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Darol D. Joseff, MD treated as a nephrologist in Santa Barbara, CA during 2015 were hospital care, inpatient care, dialysis and preventive care.

Volume of procedures performed by Dr. Darol D. Joseff, MD for Medicare patients.

dialysis	217
doctor visit	743
hospital care	410
inpatient care	410
preventive care	87
vaccines	87

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Darol D. Joseff, MD.

**Gender**
Male	426
Female	330

**Ethnicity**
Non-Hispanic White	556
Black	22
Hispanic	134
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	300
From 75 to 84	228
85 and over	124
Less than 65	104

Conditions of Medicare patients treated by Dr. Darol D. Joseff, MD in 2015

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	46
Depression	18
Chronic Kidney Disease	66
Asthma	9
Osteoperosis	11
Atrial Fibrilation	18
Heart Failure	36
Chronic Obstructive Pulmonary Disease	15
Diabetes	43
Dementia	12
Cancer	15

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Darol D. Joseff, MD treated as a nephrologist in Santa Barbara, CA during 2016 were hospital care, inpatient care, dialysis and preventive care.

Volume of procedures performed by Dr. Darol D. Joseff, MD for Medicare patients.

dialysis	343
doctor visit	841
hospital care	637
inpatient care	637
preventive care	101
vaccines	101

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Darol D. Joseff, MD.

**Gender**
Male	257
Female	211

**Ethnicity**
Non-Hispanic White	344
Black	0
Hispanic	89
Asian	14
Other	0
Native American	0

**Age**
From 65 to 74	176
From 75 to 84	145
85 and over	81
Less than 65	66

Conditions of Medicare patients treated by Dr. Darol D. Joseff, MD in 2016

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	47
Depression	18
Chronic Kidney Disease	70
Asthma	14
Osteoperosis	10
Atrial Fibrilation	19
Heart Failure	39
Chronic Obstructive Pulmonary Disease	14
Diabetes	44
Dementia	11
Cancer	14

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Darol D. Joseff, MD treated as a nephrologist in Santa Barbara, CA during 2017 were hospital care, inpatient care, dialysis and preventive care.

Volume of procedures performed by Dr. Darol D. Joseff, MD for Medicare patients.

dialysis	188
doctor visit	769
hospital care	558
inpatient care	558
preventive care	87
vaccines	87

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Darol D. Joseff, MD.

**Gender**
Male	266
Female	205

**Ethnicity**
Non-Hispanic White	351
Black	12
Hispanic	88
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	177
From 75 to 84	149
85 and over	73
Less than 65	72

Conditions of Medicare patients treated by Dr. Darol D. Joseff, MD in 2017

Hypertension	75
High Cholesterol	72
Stroke	8
Ischemic Heart Disease	45
Depression	21
Chronic Kidney Disease	71
Asthma	7
Osteoperosis	10
Atrial Fibrilation	19
Heart Failure	38
Chronic Obstructive Pulmonary Disease	13
Diabetes	46
Dementia	13
Cancer	15

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Darol D. Joseff, MD treated as a nephrologist in Santa Barbara, CA during 2018 were hospital care, inpatient care, dialysis and preventive care.

Volume of procedures performed by Dr. Darol D. Joseff, MD for Medicare patients.

dialysis	204
doctor visit	805
hospital care	494
inpatient care	494
preventive care	118
vaccines	118

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Darol D. Joseff, MD.

**Gender**
Male	264
Female	211

**Ethnicity**
Non-Hispanic White	350
Black	0
Hispanic	87
Asian	14
Other	12
Native American	0

**Age**
From 65 to 74	178
From 75 to 84	162
85 and over	80
Less than 65	55

Conditions of Medicare patients treated by Dr. Darol D. Joseff, MD in 2018

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	43
Depression	25
Chronic Kidney Disease	69
Asthma	5
Osteoperosis	12
Atrial Fibrilation	17
Heart Failure	37
Chronic Obstructive Pulmonary Disease	14
Diabetes	44
Dementia	16
Cancer	13

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Darol D. Joseff, MD treated as a nephrologist in Santa Barbara, CA during 2019 were hospital care, inpatient care, dialysis and preventive care.

Volume of procedures performed by Dr. Darol D. Joseff, MD for Medicare patients.

dialysis	184
doctor visit	924
hospital care	547
inpatient care	547
preventive care	82
vaccines	82

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Darol D. Joseff, MD.

**Gender**
Male	260
Female	219

**Ethnicity**
Non-Hispanic White	340
Black	14
Hispanic	98
Asian	0
Other	14
Native American	0

**Age**
From 65 to 74	171
From 75 to 84	178
85 and over	78
Less than 65	52

Conditions of Medicare patients treated by Dr. Darol D. Joseff, MD in 2019

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	45
Depression	27
Chronic Kidney Disease	74
Asthma	6
Osteoperosis	12
Atrial Fibrilation	20
Heart Failure	37
Chronic Obstructive Pulmonary Disease	12
Diabetes	44
Dementia	12
Cancer	14

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Darol D. Joseff, MD treated as a nephrologist in Santa Barbara, CA during 2020 were hospital care, inpatient care, dialysis and preventive care.

Volume of procedures performed by Dr. Darol D. Joseff, MD for Medicare patients.

dialysis	195
doctor visit	516
hospital care	448
inpatient care	448
preventive care	78
vaccines	78

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Darol D. Joseff, MD.

**Gender**
Male	270
Female	213

**Ethnicity**
Non-Hispanic White	351
Black	0
Hispanic	98
Asian	0
Other	14
Native American	0

**Age**
From 65 to 74	167
From 75 to 84	174
85 and over	91
Less than 65	51

Conditions of Medicare patients treated by Dr. Darol D. Joseff, MD in 2020

Hypertension	75
High Cholesterol	68
Stroke	9
Ischemic Heart Disease	47
Depression	22
Chronic Kidney Disease	73
Asthma	5
Osteoperosis	10
Atrial Fibrilation	17
Heart Failure	36
Chronic Obstructive Pulmonary Disease	11
Diabetes	42
Dementia	13
Cancer	16

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Darol D. Joseff, MD treated as a nephrologist in Santa Barbara, CA during 2021 were hospital care, inpatient care, dialysis and preventive care.

Volume of procedures performed by Dr. Darol D. Joseff, MD for Medicare patients.

dialysis	335
doctor visit	969
hospital care	491
inpatient care	491
preventive care	42
vaccines	42

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Darol D. Joseff, MD.

**Gender**
Male	255
Female	198

**Ethnicity**
Non-Hispanic White	327
Black	0
Hispanic	97
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	140
From 75 to 84	163
85 and over	91
Less than 65	59

Conditions of Medicare patients treated by Dr. Darol D. Joseff, MD in 2021

Hypertension	75
High Cholesterol	74
Stroke	9
Ischemic Heart Disease	48
Depression	22
Chronic Kidney Disease	75
Asthma	5
Osteoperosis	12
Atrial Fibrilation	17
Heart Failure	34
Chronic Obstructive Pulmonary Disease	10
Diabetes	45
Dementia	13
Cancer	17

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Darol D. Joseff, MD treated as a nephrologist in Santa Barbara, CA during 2022 were hospital care, inpatient care, dialysis and preventive care.

Volume of procedures performed by Dr. Darol D. Joseff, MD for Medicare patients.

dialysis	193
doctor visit	947
hemofiltration	26
hospital care	654
inpatient care	654
preventive care	86
vaccines	86

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Darol D. Joseff, MD.

**Gender**
Male	279
Female	234

**Ethnicity**
Non-Hispanic White	376
Black	15
Hispanic	89
Asian	16
Other	0
Native American	0

**Age**
From 65 to 74	168
From 75 to 84	202
85 and over	102
Less than 65	41

Conditions of Medicare patients treated by Dr. Darol D. Joseff, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	14
Ischemic Heart Disease	39
Depression	18
Chronic Kidney Disease	75
Asthma	7
Osteoperosis	17
Atrial Fibrilation	29
Heart Failure	33
Chronic Obstructive Pulmonary Disease	14
Diabetes	42
Dementia	10
Cancer	22

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Darol D. Joseff, MD treated as a nephrologist in Santa Barbara, CA during 2023 were hospital care, inpatient care and dialysis.

Volume of procedures performed by Dr. Darol D. Joseff, MD for Medicare patients.

dialysis	189
doctor visit	1092
hospital care	725
inpatient care	725

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Darol D. Joseff, MD.

**Gender**
Male	302
Female	203

**Ethnicity**
Non-Hispanic White	370
Black	0
Hispanic	99
Asian	0
Other	13
Native American	0

**Age**
From 65 to 74	149
From 75 to 84	209
85 and over	98
Less than 65	49

Conditions of Medicare patients treated by Dr. Darol D. Joseff, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	12
Ischemic Heart Disease	39
Depression	20
Chronic Kidney Disease	75
Asthma	8
Osteoperosis	19
Atrial Fibrilation	32
Heart Failure	33
Chronic Obstructive Pulmonary Disease	13
Diabetes	44
Dementia	8
Cancer	24

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. Darol D. Joseff, MD for Medicare patients.

The highest averages for the top procedures that Dr. Darol D. Joseff, MD treated as a nephrologist in Santa Barbara, CA were hospital care, inpatient care, dialysis and preventive care.

dialysis	204
doctor visit	819
hemofiltration	26
hospital care	498
inpatient care	498
preventive care	85
vaccines	85

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Darol D. Joseff, MD.

**Gender**
Female	198
Male	247

**Ethnicity**
Black / African American	7
Asian / Pacific Islander	3
Non-Hispanic White	326
Native American / Alaskan Native	0
Hispanic	84
Other	4

**Age**
85 and over	77
75 to 84	155
Less than 65	53
65 to 74	160

Average of Total of Conditions of Medicare patients treated by Dr. Darol D. Joseff, MD From 2012 - 2023

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

Hypertension	68
High Cholesterol	67
Stroke	8
Ischemic Heart Disease	40
Depression	18
Chronic Kidney Disease	64
Asthma	6
Osteoporosis	11
Heart Failure	33
Chronic Obstructive Pulmonary Disease	11
Diabetes	40
Atrial Fibrillation	18
Dementia	10
Cancer	15

Education & Training

He completed residency at Harbor-UCLA Medical Center. He has a state license in California.

Residency: Harbor-UCLA Medical Center

Licensed In: California

Affiliations & Hospitals

Dr. Darol D. Joseff, MD is associated with these hospitals and organizations:

Cottage Health

Ratings & Reviews

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General Payments

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

**Payments by Company**
Bayer HealthCare Pharmaceuticals Inc.	$30,785 Kerendia $30,763	Non-Covered $22
AstraZeneca Pharmaceuticals LP	$1,269 FARXIGA $972	LOKELMA $166	$131
Alexion Pharmaceuticals, Inc.	$926 SOLIRIS $600	ULTOMIRIS $144	$181
Otsuka America Pharmaceutical, Inc.	$623 JYNARQUE $515	SAMSCA $108
Amgen Inc.	$578 Parsabiv $279	Repatha $124	KRYSTEXXA $101	Tavneos $58	EPOGEN $16
Other	$3,355 BENLYSTA $437	Rituxan $221	JARDIANCE $195	KRYSTEXXA $192	LUPKYNIS $175	Other $2,135

**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	$25,583
Food and Beverage	$7,879
Travel and Lodging	$3,657
Education	$417

Biography

Dr. Darol Joseff is a medical specialist in adult nephrology. Before performing his residency at Harbor-UCLA Medical Center and Santa Barbara Cottage Hospital, Dr. Joseff attended the University of Cincinnati College of Medicine for medical school. He is affiliated with Cottage Health.

Select Year:

Dr. Darol D. Joseff, MD

Office Locations

In The News

Noteworthy Medicare Patient Procedures Performed by Dr. Darol D. Joseff, MD in 2023

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. Darol D. Joseff, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Darol D. Joseff, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Darol D. Joseff, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Darol D. Joseff, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Darol D. Joseff, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Darol D. Joseff, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Darol D. Joseff, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Darol D. Joseff, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Darol D. Joseff, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Darol D. Joseff, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Darol D. Joseff, 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. Darol D. Joseff, MD From 2012 - 2023

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

Other Providers in Santa Barbara, CA