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Home > CA Providers

Dr. Joseph Collins Duflot, MD

(2 Ratings)

Specializes in: Adult Nephrology

University of Texas Medical Branch School of Medicine

Professional interests include: kidney problems

568 E Herndon Avenue Suite 201
Fresno, CA 93720

(559) 228-6000

Dr. Joseph Collins Duflot, MD is a nephrologist in Fresno, CA specializing in adult nephrology. He graduated from University of Texas Medical Branch School of Medicine. Dr. Joseph Collins Duflot, MD is affiliated with Saint Agnes Medical Center and Dignity Health.

Office Locations

515 W Acequia Suite A
Fresno, CA 93291

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Dignity Health

568 E Herndon Avenue Suite 201
Fresno, CA 93720

(559) 228-6000

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800 N Street
Sanger, CA 93657

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Noteworthy Medicare Patient Procedures Performed by Dr. Joseph Collins Duflot, MD in 2023

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

Top 5%

By Volume:

lab tests

phosphorus blood test

By Affordability:

acute hepatitis panel

In 2023, among providers in related specialties within California, Dr. Joseph Collins Duflot, MD performed more lab tests, and phosphorus blood test procedures for Medicare patients than 95% of them and he also had a list price for acute hepatitis panel, complement tests, cystatin C test, hematocrit test, hepatitis testing, and reticulocyte count (immature red blood cell count) 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:

blood draw

microalbumin urine test

phlebotomy for lab tests

By Affordability:

A1C test

diabetes screening

glycated protein test

hemoglobin test

phosphorus blood test

phosphorus test

vitamin B12 test

In 2023, among providers in related specialties within California, Dr. Joseph Collins Duflot, MD performed more blood draw, microalbumin urine test, and phlebotomy for lab tests procedures for Medicare patients than 90% of them and he also had a list price for A1C test, diabetes screening, glycated protein test, hemoglobin test, phosphorus blood test, phosphorus test, and vitamin B12 test that was lower than the list prices billed to Medicare by 90% 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 25%

By Volume:

acute hepatitis panel

creatinine urine test

dialysis

preventive care

serum folate test

By Affordability:

albumin test

cholesterol screening

creatinine test

creatinine urine test

microalbumin urine test

parathyroid hormone test

serum folate test

total protein test

total protein urine test

vitamin D test

In 2012, among providers in related specialties within California, Dr. Joseph Collins Duflot, MD performed more acute hepatitis panel, creatinine urine test, dialysis, preventive care, and serum folate test procedures for Medicare patients than 75% of them and he also had a list price for albumin test, cholesterol screening, creatinine test, creatinine urine test, diabetes management, folic acid tests, iron tests, lipid profile, magnesium test, microalbumin test, microalbumin urine test, parathyroid hormone (PTH) test, serum folate test, total protein test, total protein urine test, and vitamin D test 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. Joseph Collins Duflot, MD treated as a nephrologist in Fresno, CA during 2012 were hospital care, inpatient care, dialysis and hemofiltration.

Volume of procedures performed by Dr. Joseph Collins Duflot, MD for Medicare patients.

abdominal imaging	21
dialysis	394
doctor visit	1534
hemofiltration	89
hospital care	1449
inpatient care	1449
lab tests	71
ultrasound (sonogram)	21

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Joseph Collins Duflot, MD treated as a nephrologist in Fresno, CA during 2013 were hospital care, inpatient care, dialysis and lab tests.

Volume of procedures performed by Dr. Joseph Collins Duflot, MD for Medicare patients.

abdominal imaging	31
dialysis	326
doctor visit	1462
hemofiltration	39
hospital care	1273
inpatient care	1273
lab tests	82
ultrasound (sonogram)	31

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph Collins Duflot, MD.

**Gender**
Male	778
Female	670

**Ethnicity**
Non-Hispanic White	681
Black	100
Hispanic	486
Asian	139
Other	23
Native American	19

**Age**
From 65 to 74	465
From 75 to 84	410
85 and over	194
Less than 65	379

Conditions of Medicare patients treated by Dr. Joseph Collins Duflot, MD in 2013

Hypertension	75
High Cholesterol	65
Stroke	8
Ischemic Heart Disease	58
Depression	19
Chronic Kidney Disease	75
Asthma	14
Osteoperosis	7
Atrial Fibrilation	14
Heart Failure	47
Chronic Obstructive Pulmonary Disease	18
Diabetes	71
Dementia	15
Cancer	10

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Joseph Collins Duflot, MD treated as a nephrologist in Fresno, CA during 2014 were hospital care, inpatient care, dialysis and lab tests.

Volume of procedures performed by Dr. Joseph Collins Duflot, MD for Medicare patients.

abdominal imaging	31
dialysis	322
doctor visit	1581
hemofiltration	30
hospital care	1504
inpatient care	1504
lab tests	80
ultrasound (sonogram)	31
vascular procedures	56

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph Collins Duflot, MD.

**Gender**
Male	785
Female	785

**Ethnicity**
Non-Hispanic White	756
Black	118
Hispanic	515
Asian	131
Other	25
Native American	25

**Age**
From 65 to 74	517
From 75 to 84	434
85 and over	224
Less than 65	395

Conditions of Medicare patients treated by Dr. Joseph Collins Duflot, MD in 2014

Hypertension	75
High Cholesterol	67
Stroke	9
Ischemic Heart Disease	56
Depression	19
Chronic Kidney Disease	75
Asthma	13
Osteoperosis	8
Atrial Fibrilation	14
Heart Failure	48
Chronic Obstructive Pulmonary Disease	18
Diabetes	67
Dementia	15
Cancer	10

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Joseph Collins Duflot, MD treated as a nephrologist in Fresno, CA during 2015 were hospital care, inpatient care, dialysis and lab tests.

Volume of procedures performed by Dr. Joseph Collins Duflot, MD for Medicare patients.

abdominal imaging	53
dialysis	354
doctor visit	1508
hemofiltration	49
hospital care	1444
inpatient care	1444
lab tests	78
ultrasound (sonogram)	53

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph Collins Duflot, MD.

**Gender**
Male	1574
Female	1400

**Ethnicity**
Non-Hispanic White	1440
Black	230
Hispanic	962
Asian	280
Other	40
Native American	22

**Age**
From 65 to 74	1018
From 75 to 84	770
85 and over	438
Less than 65	748

Conditions of Medicare patients treated by Dr. Joseph Collins Duflot, MD in 2015

Hypertension	75
High Cholesterol	69
Stroke	9
Ischemic Heart Disease	58
Depression	20
Chronic Kidney Disease	75
Asthma	17
Osteoperosis	9
Atrial Fibrilation	15
Heart Failure	47
Chronic Obstructive Pulmonary Disease	18
Diabetes	67
Dementia	16
Cancer	9

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Joseph Collins Duflot, MD treated as a nephrologist in Fresno, CA during 2016 were lab tests, hospital care, inpatient care and blood draw.

Volume of procedures performed by Dr. Joseph Collins Duflot, MD for Medicare patients.

abdominal imaging	65
blood draw	456
diabetes management	29
dialysis	233
doctor visit	1442
hemofiltration	37
hospital care	1133
inpatient care	1133
lab tests	2314
preventive care	50
thyroid function tests	25
ultrasound (sonogram)	85
vascular procedures	20

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph Collins Duflot, MD.

**Gender**
Male	715
Female	658

**Ethnicity**
Non-Hispanic White	690
Black	113
Hispanic	415
Asian	121
Other	22
Native American	12

**Age**
From 65 to 74	474
From 75 to 84	377
85 and over	203
Less than 65	319

Conditions of Medicare patients treated by Dr. Joseph Collins Duflot, MD in 2016

Hypertension	75
High Cholesterol	68
Stroke	8
Ischemic Heart Disease	59
Depression	20
Chronic Kidney Disease	75
Asthma	24
Osteoperosis	9
Atrial Fibrilation	14
Heart Failure	47
Chronic Obstructive Pulmonary Disease	17
Diabetes	64
Dementia	15
Cancer	10

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Joseph Collins Duflot, MD treated as a nephrologist in Fresno, CA during 2017 were lab tests, hospital care, inpatient care and blood draw.

Volume of procedures performed by Dr. Joseph Collins Duflot, MD for Medicare patients.

abdominal imaging	49
blood draw	788
diabetes management	69
dialysis	295
doctor visit	1432
hemofiltration	44
hospital care	1470
inpatient care	1470
lab tests	5118
preventive care	104
thyroid function tests	43
ultrasound (sonogram)	49

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph Collins Duflot, MD.

**Gender**
Male	677
Female	677

**Ethnicity**
Non-Hispanic White	750
Black	90
Hispanic	363
Asian	109
Other	27
Native American	15

**Age**
From 65 to 74	469
From 75 to 84	396
85 and over	209
Less than 65	280

Conditions of Medicare patients treated by Dr. Joseph Collins Duflot, MD in 2017

Hypertension	75
High Cholesterol	68
Stroke	8
Ischemic Heart Disease	58
Depression	23
Chronic Kidney Disease	75
Asthma	13
Osteoperosis	9
Atrial Fibrilation	16
Heart Failure	47
Chronic Obstructive Pulmonary Disease	19
Diabetes	62
Dementia	16
Cancer	11

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Joseph Collins Duflot, MD treated as a nephrologist in Fresno, CA during 2018 were lab tests, hospital care, inpatient care and blood draw.

Volume of procedures performed by Dr. Joseph Collins Duflot, MD for Medicare patients.

abdominal imaging	73
blood draw	1005
diabetes management	51
dialysis	173
doctor visit	1593
hemofiltration	34
hospital care	1205
inpatient care	1205
lab tests	6263
preventive care	82
ultrasound (sonogram)	84
vascular procedures	11

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph Collins Duflot, MD.

**Gender**
Male	725
Female	667

**Ethnicity**
Non-Hispanic White	760
Black	86
Hispanic	380
Asian	126
Other	24
Native American	16

**Age**
From 65 to 74	484
From 75 to 84	411
85 and over	226
Less than 65	271

Conditions of Medicare patients treated by Dr. Joseph Collins Duflot, MD in 2018

Hypertension	75
High Cholesterol	74
Stroke	8
Ischemic Heart Disease	56
Depression	19
Chronic Kidney Disease	75
Asthma	13
Osteoperosis	11
Atrial Fibrilation	15
Heart Failure	47
Chronic Obstructive Pulmonary Disease	19
Diabetes	61
Dementia	14
Cancer	11

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Joseph Collins Duflot, MD treated as a nephrologist in Fresno, CA during 2019 were lab tests, hospital care, inpatient care and blood draw.

Volume of procedures performed by Dr. Joseph Collins Duflot, MD for Medicare patients.

abdominal imaging	47
blood draw	936
diabetes management	42
dialysis	148
doctor visit	1454
hemofiltration	36
hospital care	1006
inpatient care	1006
lab tests	6277
preventive care	42
ultrasound (sonogram)	47

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph Collins Duflot, MD.

**Gender**
Male	691
Female	635

**Ethnicity**
Non-Hispanic White	704
Black	67
Hispanic	389
Asian	116
Other	32
Native American	18

**Age**
From 65 to 74	461
From 75 to 84	420
85 and over	195
Less than 65	250

Conditions of Medicare patients treated by Dr. Joseph Collins Duflot, MD in 2019

Hypertension	75
High Cholesterol	74
Stroke	8
Ischemic Heart Disease	59
Depression	20
Chronic Kidney Disease	75
Asthma	13
Osteoperosis	10
Atrial Fibrilation	14
Heart Failure	45
Chronic Obstructive Pulmonary Disease	16
Diabetes	62
Dementia	15
Cancer	10

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Joseph Collins Duflot, MD treated as a nephrologist in Fresno, CA during 2020 were lab tests, inpatient care, hospital care and blood draw.

Volume of procedures performed by Dr. Joseph Collins Duflot, MD for Medicare patients.

abdominal imaging	76
blood draw	803
diabetes management	38
dialysis	116
doctor visit	532
hemofiltration	46
hospital care	823
inpatient care	823
lab tests	7159
minimally invasive procedures	23
pelvic imaging	11
preventive care	173
ultrasound (sonogram)	76
vascular procedures	11

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph Collins Duflot, MD.

**Gender**
Male	667
Female	650

**Ethnicity**
Non-Hispanic White	720
Black	68
Hispanic	372
Asian	107
Other	36
Native American	14

**Age**
From 65 to 74	458
From 75 to 84	420
85 and over	206
Less than 65	233

Conditions of Medicare patients treated by Dr. Joseph Collins Duflot, MD in 2020

Hypertension	75
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	59
Depression	19
Chronic Kidney Disease	75
Asthma	13
Osteoperosis	9
Atrial Fibrilation	13
Heart Failure	46
Chronic Obstructive Pulmonary Disease	13
Diabetes	62
Dementia	14
Cancer	9

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Joseph Collins Duflot, MD treated as a nephrologist in Fresno, CA during 2021 were lab tests, hospital care, inpatient care and blood draw.

Volume of procedures performed by Dr. Joseph Collins Duflot, MD for Medicare patients.

abdominal imaging	67
blood draw	651
diabetes management	57
dialysis	89
doctor visit	763
hemofiltration	20
hospital care	993
inpatient care	993
lab tests	6735
minimally invasive procedures	42
preventive care	166
ultrasound (sonogram)	67

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph Collins Duflot, MD.

**Gender**
Male	640
Female	653

**Ethnicity**
Non-Hispanic White	750
Black	67
Hispanic	335
Asian	97
Other	31
Native American	13

**Age**
From 65 to 74	432
From 75 to 84	439
85 and over	234
Less than 65	188

Conditions of Medicare patients treated by Dr. Joseph Collins Duflot, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	60
Depression	20
Chronic Kidney Disease	75
Asthma	11
Osteoperosis	12
Atrial Fibrilation	16
Heart Failure	45
Chronic Obstructive Pulmonary Disease	14
Diabetes	60
Dementia	14
Cancer	11

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Joseph Collins Duflot, MD treated as a nephrologist in Fresno, CA during 2022 were lab tests, inpatient care, hospital care and blood draw.

Volume of procedures performed by Dr. Joseph Collins Duflot, MD for Medicare patients.

abdominal imaging	88
blood draw	891
diabetes management	103
dialysis	111
doctor visit	1182
hemofiltration	37
hospital care	1121
inpatient care	1121
lab tests	8301
minimally invasive procedures	68
pelvic imaging	15
preventive care	162
ultrasound (sonogram)	88
vascular procedures	37

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph Collins Duflot, MD.

**Gender**
Male	661
Female	673

**Ethnicity**
Non-Hispanic White	799
Black	67
Hispanic	325
Asian	92
Other	40
Native American	11

**Age**
From 65 to 74	438
From 75 to 84	464
85 and over	254
Less than 65	178

Conditions of Medicare patients treated by Dr. Joseph Collins Duflot, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	53
Depression	21
Chronic Kidney Disease	75
Asthma	16
Osteoperosis	17
Atrial Fibrilation	29
Heart Failure	43
Chronic Obstructive Pulmonary Disease	18
Diabetes	57
Dementia	10
Cancer	17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Joseph Collins Duflot, MD for Medicare patients.

The highest averages for the top procedures that Dr. Joseph Collins Duflot, MD treated as a nephrologist in Fresno, CA were lab tests, inpatient care, hospital care and blood draw.

abdominal imaging	54
blood draw	790
diabetes management	55
dialysis	232
doctor visit	1316
hemofiltration	41
hospital care	1220
inpatient care	1220
lab tests	3861
minimally invasive procedures	44
pelvic imaging	13
preventive care	111
thyroid function tests	34
ultrasound (sonogram)	57
vascular procedures	27

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Joseph Collins Duflot, MD.

**Gender**
Male	719
Female	678

**Ethnicity**
Black / African American	91
Asian / Pacific Islander	119
Non-Hispanic White	731
Native American / Alaskan Native	15
Hispanic	412
Other	27

**Age**
75 to 84	412
85 and over	216
Less than 65	294
65 to 74	474

Average of Total of Conditions of Medicare patients treated by Dr. Joseph Collins Duflot, MD From 2012 - 2022

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

Hypertension	68
High Cholesterol	64
Stroke	7
Ischemic Heart Disease	52
Depression	18
Chronic Kidney Disease	68
Asthma	13
Osteoporosis	9
Heart Failure	42
Chronic Obstructive Pulmonary Disease	15
Diabetes	57
Atrial Fibrillation	14
Dementia	13
Cancer	9

Education & Training

Dr. Joseph Collins Duflot, MD graduated from University of Texas Medical Branch School of Medicine. He completed residency at University of California, Los Angeles (UCLA) Affiliated Hospitals. He is certified by the Internal Medicine, Internal Medicine, American Board and has a state license in California.

Medical School: University of Texas Medical Branch School of Medicine

Residency: University of California, Los Angeles (UCLA) Affiliated Hospitals

Board Certification: Internal Medicine, Internal Medicine, American Board (1989)

Licensed In: California

Affiliations & Hospitals

Dr. Joseph Collins Duflot, MD is associated with these hospitals and organizations:

Saint Agnes Medical Center

Dignity Health

Ratings & Reviews

Dr. Joseph Collins Duflot, MD has a good overall rating with an average of 3.0 out of 5 stars based on 2 ratings. We collect ratings and reviews of Dr. Joseph Collins Duflot, MD from all over the web to help you find the right in Fresno, CA.

Overall Rating

(2 Ratings)

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General Payments

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

**Payments by Company**
Alexion Pharmaceuticals, Inc.	$829 SOLIRIS $811	ULTOMIRIS $18
Amgen Inc.	$481 Parsabiv $373	Tavneos $81	Sensipar $27
Otsuka America Pharmaceutical, Inc.	$408 JYNARQUE $408
Octapharma USA, Inc.	$380 OCTAPLAS $380
Horizon Therapeutics plc	$278 KRYSTEXXA $278
Other	$2,127 Velphoro $240	LOKELMA $172	ACTHAR $157	FABRAZYME $139	BENLYSTA $126	Other $1,292

**Types of Payments**
Food and Beverage	$3,717
Consulting Fee	$650
Education	$104
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$32

Biography

Dr. Joseph Duflot specializes in adult nephrology and practices in Fresno, CA and Sanger, CA. Dr. Duflot is especially interested in kidney problems. He is affiliated with Saint Agnes Medical Center and Dignity Health. According to Dignity Health, he is not acceping new patients at this time. He is a graduate of the University of Texas Medical Branch School of Medicine. Dr. Duflot trained at a hospital affiliated with the University of California, Los Angeles (UCLA) for residency. He speaks Spanish.

Select Year:

Dr. Joseph Collins Duflot, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Joseph Collins Duflot, MD in 2023

By Volume:

By Affordability:

By Volume:

By Affordability:

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. Joseph Collins Duflot, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Joseph Collins Duflot, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Joseph Collins Duflot, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Joseph Collins Duflot, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Joseph Collins Duflot, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Joseph Collins Duflot, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Joseph Collins Duflot, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Joseph Collins Duflot, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Joseph Collins Duflot, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Joseph Collins Duflot, 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. Joseph Collins Duflot, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

Other Providers in Fresno, CA