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Dr. Margaret L. Chen, MD

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Specializes in: Adult Nephrology and Hospital Medicine (Hospitalist)

University of California, Davis, School of Medicine

402 E 2nd Street
Duluth, MN 55805

(218) 786-4000

Dr. Margaret L. Chen, MD is a nephrologist in Duluth, MN specializing in adult nephrology and hospital medicine (hospitalist). She graduated from University of California, Davis, School of Medicine. Dr. Margaret L. Chen, MD is affiliated with Essentia Health.

Office Locations

402 E 2nd Street
Duluth, MN 55805

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Noteworthy Medicare Patient Procedures Performed by Dr. Margaret L. Chen, MD in 2024

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

Top 5%

By Volume:

inpatient hospital care

In 2024, Dr. Margaret L. Chen, MD performed more inpatient hospital care (for patient admitted to hospital) procedures for Medicare patients than 95% of providers in related specialties within Minnesota.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Margaret L. Chen, MD treated as a nephrologist in Duluth, MN during 2012 were hospital care, inpatient care, lab tests and dialysis.

Volume of procedures performed by Dr. Margaret L. Chen, MD for Medicare patients.

dialysis	14
doctor visit	282
hospital care	419
inpatient care	419
lab tests	38

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Margaret L. Chen, MD treated as a nephrologist in Duluth, MN during 2013 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Margaret L. Chen, MD for Medicare patients.

hospital care	453
inpatient care	421
outpatient care	32

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Margaret L. Chen, MD.

**Gender**
Male	119
Female	117

**Age**
From 65 to 74	61
From 75 to 84	73
85 and over	50
Less than 65	52

Conditions of Medicare patients treated by Dr. Margaret L. Chen, MD in 2013

Hypertension	75
High Cholesterol	61
Stroke	13
Ischemic Heart Disease	57
Depression	38
Chronic Kidney Disease	51
Asthma	12
Osteoperosis	12
Atrial Fibrilation	24
Heart Failure	50
Chronic Obstructive Pulmonary Disease	42
Diabetes	44
Dementia	20
Cancer	17

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Margaret L. Chen, MD treated as a nephrologist in Duluth, MN during 2014 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Margaret L. Chen, MD for Medicare patients.

hospital care	609
inpatient care	588
outpatient care	21

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Margaret L. Chen, MD.

**Gender**
Male	127
Female	175

**Ethnicity**
Non-Hispanic White	289
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	96
From 75 to 84	70
85 and over	78
Less than 65	58

Conditions of Medicare patients treated by Dr. Margaret L. Chen, MD in 2014

Hypertension	75
High Cholesterol	61
Stroke	14
Ischemic Heart Disease	53
Depression	39
Chronic Kidney Disease	57
Asthma	18
Osteoperosis	15
Atrial Fibrilation	31
Heart Failure	50
Chronic Obstructive Pulmonary Disease	37
Diabetes	43
Dementia	21
Cancer	20

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Margaret L. Chen, MD treated as a nephrologist in Duluth, MN during 2015 were hospital care and inpatient care.

Volume of procedures performed by Dr. Margaret L. Chen, MD for Medicare patients.

hospital care	1049
inpatient care	1049

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Margaret L. Chen, MD.

**Gender**
Male	260
Female	340

**Ethnicity**
Non-Hispanic White	566
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	166
From 75 to 84	206
85 and over	120
Less than 65	108

Conditions of Medicare patients treated by Dr. Margaret L. Chen, MD in 2015

Hypertension	75
High Cholesterol	58
Stroke	16
Ischemic Heart Disease	44
Depression	45
Chronic Kidney Disease	57
Asthma	28
Osteoperosis	18
Atrial Fibrilation	26
Heart Failure	46
Chronic Obstructive Pulmonary Disease	38
Diabetes	40
Dementia	27
Cancer	15

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Margaret L. Chen, MD treated as a nephrologist in Duluth, MN during 2016 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Margaret L. Chen, MD for Medicare patients.

hospital care	824
inpatient care	809
outpatient care	15

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Margaret L. Chen, MD.

**Gender**
Male	129
Female	130

**Ethnicity**
Non-Hispanic White	245
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	82
From 75 to 84	68
85 and over	63
Less than 65	46

Conditions of Medicare patients treated by Dr. Margaret L. Chen, MD in 2016

Hypertension	75
High Cholesterol	62
Stroke	18
Ischemic Heart Disease	49
Depression	44
Chronic Kidney Disease	59
Asthma	40
Osteoperosis	20
Atrial Fibrilation	29
Heart Failure	43
Chronic Obstructive Pulmonary Disease	38
Diabetes	39
Dementia	24
Cancer	15

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Margaret L. Chen, MD treated as a nephrologist in Duluth, MN during 2017 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Margaret L. Chen, MD for Medicare patients.

hospital care	983
inpatient care	925
outpatient care	58

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Margaret L. Chen, MD.

**Gender**
Male	138
Female	179

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

**Age**
From 65 to 74	74
From 75 to 84	96
85 and over	73
Less than 65	74

Conditions of Medicare patients treated by Dr. Margaret L. Chen, MD in 2017

Hypertension	75
High Cholesterol	65
Stroke	12
Ischemic Heart Disease	62
Depression	48
Chronic Kidney Disease	65
Asthma	15
Osteoperosis	17
Atrial Fibrilation	29
Heart Failure	53
Chronic Obstructive Pulmonary Disease	41
Diabetes	40
Dementia	30
Cancer	15

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Margaret L. Chen, MD treated as a nephrologist in Duluth, MN during 2018 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Margaret L. Chen, MD for Medicare patients.

hospital care	1493
inpatient care	1440
outpatient care	53

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Margaret L. Chen, MD.

**Gender**
Male	167
Female	184

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

**Age**
From 65 to 74	103
From 75 to 84	83
85 and over	76
Less than 65	89

Conditions of Medicare patients treated by Dr. Margaret L. Chen, MD in 2018

Hypertension	75
High Cholesterol	67
Stroke	9
Ischemic Heart Disease	69
Depression	46
Chronic Kidney Disease	66
Asthma	11
Osteoperosis	15
Atrial Fibrilation	34
Heart Failure	55
Chronic Obstructive Pulmonary Disease	38
Diabetes	43
Dementia	28
Cancer	14

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Margaret L. Chen, MD treated as a nephrologist in Duluth, MN during 2019 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Margaret L. Chen, MD for Medicare patients.

hospital care	1552
inpatient care	1498
outpatient care	54

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Margaret L. Chen, MD.

**Gender**
Male	176
Female	172

**Ethnicity**
Non-Hispanic White	314
Black	0
Hispanic	0
Asian	0
Other	0
Native American	21

**Age**
From 65 to 74	99
From 75 to 84	99
85 and over	63
Less than 65	87

Conditions of Medicare patients treated by Dr. Margaret L. Chen, MD in 2019

Hypertension	75
High Cholesterol	75
Stroke	13
Ischemic Heart Disease	71
Depression	46
Chronic Kidney Disease	69
Asthma	13
Osteoperosis	11
Atrial Fibrilation	31
Heart Failure	56
Chronic Obstructive Pulmonary Disease	36
Diabetes	45
Dementia	26
Cancer	13

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Margaret L. Chen, MD treated as a nephrologist in Duluth, MN during 2020 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Margaret L. Chen, MD for Medicare patients.

hospital care	1501
inpatient care	1439
outpatient care	62

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Margaret L. Chen, MD.

**Gender**
Male	167
Female	143

**Ethnicity**
Non-Hispanic White	271
Black	0
Hispanic	0
Asian	0
Other	0
Native American	24

**Age**
From 65 to 74	83
From 75 to 84	77
85 and over	49
Less than 65	101

Conditions of Medicare patients treated by Dr. Margaret L. Chen, MD in 2020

Hypertension	75
High Cholesterol	72
Stroke	11
Ischemic Heart Disease	66
Depression	49
Chronic Kidney Disease	71
Asthma	14
Osteoperosis	12
Atrial Fibrilation	27
Heart Failure	50
Chronic Obstructive Pulmonary Disease	36
Diabetes	47
Dementia	25
Cancer	13

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Margaret L. Chen, MD treated as a nephrologist in Duluth, MN during 2021 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Margaret L. Chen, MD for Medicare patients.

doctor visit	44
hospital care	1216
inpatient care	1132
outpatient care	84

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Margaret L. Chen, MD.

**Gender**
Male	135
Female	149

**Ethnicity**
Non-Hispanic White	251
Black	0
Hispanic	0
Asian	0
Other	0
Native American	19

**Age**
From 65 to 74	93
From 75 to 84	60
85 and over	59
Less than 65	72

Conditions of Medicare patients treated by Dr. Margaret L. Chen, MD in 2021

Hypertension	75
High Cholesterol	69
Stroke	18
Ischemic Heart Disease	57
Depression	45
Chronic Kidney Disease	64
Asthma	12
Osteoperosis	19
Atrial Fibrilation	29
Heart Failure	44
Chronic Obstructive Pulmonary Disease	31
Diabetes	44
Dementia	24
Cancer	12

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Margaret L. Chen, MD treated as a nephrologist in Duluth, MN during 2022 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Margaret L. Chen, MD for Medicare patients.

doctor visit	30
hospital care	1042
inpatient care	976
outpatient care	66

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Margaret L. Chen, MD.

**Gender**
Male	125
Female	128

**Ethnicity**
Non-Hispanic White	224
Black	0
Hispanic	0
Asian	0
Other	0
Native American	15

**Age**
From 65 to 74	71
From 75 to 84	63
85 and over	56
Less than 65	63

Conditions of Medicare patients treated by Dr. Margaret L. Chen, MD in 2022

Hypertension	75
High Cholesterol	72
Stroke	15
Ischemic Heart Disease	42
Depression	43
Chronic Kidney Disease	45
Asthma	15
Osteoperosis	15
Atrial Fibrilation	36
Heart Failure	42
Chronic Obstructive Pulmonary Disease	39
Diabetes	43
Dementia	21
Cancer	16

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Margaret L. Chen, MD treated as a nephrologist in Duluth, MN during 2023 were hospital care and inpatient care.

Volume of procedures performed by Dr. Margaret L. Chen, MD for Medicare patients.

hospital care	798
inpatient care	798

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Margaret L. Chen, MD.

**Gender**
Male	136
Female	111

**Ethnicity**
Non-Hispanic White	225
Black	0
Hispanic	0
Asian	0
Other	0
Native American	11

**Age**
From 65 to 74	90
From 75 to 84	80
85 and over	40
Less than 65	37

Conditions of Medicare patients treated by Dr. Margaret L. Chen, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	19
Ischemic Heart Disease	50
Depression	38
Chronic Kidney Disease	51
Asthma	10
Osteoperosis	16
Atrial Fibrilation	40
Heart Failure	47
Chronic Obstructive Pulmonary Disease	31
Diabetes	48
Dementia	21
Cancer	19

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Margaret L. Chen, MD treated as a nephrologist in Duluth, MN during 2024 were hospital care and inpatient care.

Volume of procedures performed by Dr. Margaret L. Chen, MD for Medicare patients.

hospital care	691
inpatient care	691

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Margaret L. Chen, MD.

**Gender**
Male	116
Female	98

**Ethnicity**
Non-Hispanic White	193
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	90
From 75 to 84	59
85 and over	27
Less than 65	38

Conditions of Medicare patients treated by Dr. Margaret L. Chen, MD in 2024

Hypertension	75
High Cholesterol	75
Stroke	26
Ischemic Heart Disease	52
Depression	36
Chronic Kidney Disease	42
Asthma	14
Osteoperosis	18
Atrial Fibrilation	36
Heart Failure	49
Chronic Obstructive Pulmonary Disease	31
Diabetes	53
Dementia	18
Cancer	18

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Margaret L. Chen, MD for Medicare patients.

The highest averages for the top procedures that Dr. Margaret L. Chen, MD treated as a nephrologist in Duluth, MN were hospital care, inpatient care, outpatient care and lab tests.

dialysis	14
doctor visit	118
hospital care	971
inpatient care	937
lab tests	38
outpatient care	49

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Margaret L. Chen, MD.

**Gender**
Male	138
Female	148

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	245
Native American / Alaskan Native	6
Hispanic	0
Other	0

**Age**
85 and over	58
75 to 84	79
Less than 65	63
65 to 74	85

Average of Total of Conditions of Medicare patients treated by Dr. Margaret L. Chen, MD From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. Margaret L. Chen, MD treated were hypertension, high cholesterol, chronic kidney disease and ischemic heart disease.

Hypertension	69
High Cholesterol	62
Stroke	14
Ischemic Heart Disease	51
Depression	39
Chronic Kidney Disease	53
Asthma	15
Osteoporosis	14
Heart Failure	45
Chronic Obstructive Pulmonary Disease	33
Diabetes	40
Atrial Fibrillation	28
Dementia	21
Cancer	14

Education & Training

Dr. Margaret L. Chen, MD graduated from University of California, Davis, School of Medicine. She completed residency at University of Washington Affiliated Hospitals. She is certified by the American Board of Internal Medicine - Internal Medicine and has a state license in Minnesota.

Medical School: University of California, Davis, School of Medicine

Residency: University of Washington Affiliated Hospitals (2004)

Board Certification: American Board of Internal Medicine - Internal Medicine

Licensed In: Minnesota

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General Payments

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

**Payments by Company**
E.R. Squibb & Sons, L.L.C.	$248 ELIQUIS $248
Otsuka America Pharmaceutical, Inc.	$219 SAMSCA $219
Boston Scientific Corporation	$87 Angiojet ZelanteDVT Thrombectomy Catheter $87
Genentech USA, Inc.	$62 Avastin $62
Amgen Inc.	$49 Kyprolis $35	XGEVA $14

**Types of Payments**
Food and Beverage	$665

Biography

Dr. Margaret Chen is a specialist in hospital medicine (hospitalist). Before completing her residency at a hospital affiliated with the University of Washington, Dr. Chen attended medical school at the University of California, Davis, School of Medicine. She is professionally affiliated with Essentia Health. Doctor.com reports that Dr. Chen is not accepting new patients.