In 2023, Dr. John M. Ruddy, MD performed more blood draw, microalbumin urine test, and phlebotomy for lab tests procedures for Medicare patients than 95% of providers in related specialties within Minnesota.

Top 10%

By Volume:

A1C test

lab tests

preventive care

In 2023, Dr. John M. Ruddy, MD performed more A1C test, lab tests, and preventive care procedures for Medicare patients than 90% of providers in related specialties within Minnesota.

Top 25%

By Volume:

lipid profile

pulmonary function test

screening PSA test

By Affordability:

cardiac stress testing

stress testing

In 2012, among providers in related specialties within Minnesota, Dr. John M. Ruddy, MD performed more lipid profile, pulmonary function test (PFT), and screening PSA test procedures for Medicare patients than 75% of them and he also had a list price for cardiac (heart) stress testing, and stress testing 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. John M. Ruddy, MD treated as an internist in Cambridge, MN during 2012 were blood draw, pulmonary testing, lab tests and preventive care.

Volume of procedures performed by Dr. John M. Ruddy, MD for Medicare patients.

blood draw	283
cardiac procedures	37
doctor visit	928
lab tests	123
preventive care	62
pulmonary testing	147
stress testing	37
vaccines	62

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John M. Ruddy, MD treated as an internist in Cambridge, MN during 2013 were blood draw, lab tests, pulmonary testing and preventive care.

Volume of procedures performed by Dr. John M. Ruddy, MD for Medicare patients.

blood draw	463
cardiac procedures	41
doctor visit	960
lab tests	123
preventive care	75
pulmonary testing	122
stress testing	41
vaccines	75

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John M. Ruddy, MD.

**Gender**
Male	206
Female	193

**Ethnicity**
Non-Hispanic White	387
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	136
From 75 to 84	122
85 and over	53
Less than 65	88

Conditions of Medicare patients treated by Dr. John M. Ruddy, MD in 2013

Hypertension	65
High Cholesterol	51
Stroke	4
Ischemic Heart Disease	34
Depression	23
Chronic Kidney Disease	28
Asthma	7
Osteoperosis	6
Atrial Fibrilation	12
Heart Failure	25
Chronic Obstructive Pulmonary Disease	18
Diabetes	31
Dementia	11
Cancer	13

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John M. Ruddy, MD treated as an internist in Cambridge, MN during 2014 were blood draw, pulmonary testing, lab tests and preventive care.

Volume of procedures performed by Dr. John M. Ruddy, MD for Medicare patients.

blood draw	511
cardiac procedures	21
doctor visit	916
lab tests	121
preventive care	84
pulmonary testing	150
stress testing	21
vaccines	84

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John M. Ruddy, MD.

**Gender**
Male	221
Female	192

**Ethnicity**
Non-Hispanic White	400
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	124
From 75 to 84	124
85 and over	48
Less than 65	117

Conditions of Medicare patients treated by Dr. John M. Ruddy, MD in 2014

Hypertension	73
High Cholesterol	51
Stroke	5
Ischemic Heart Disease	34
Depression	24
Chronic Kidney Disease	27
Asthma	7
Osteoperosis	5
Atrial Fibrilation	13
Heart Failure	21
Chronic Obstructive Pulmonary Disease	22
Diabetes	32
Dementia	8
Cancer	10

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John M. Ruddy, MD treated as an internist in Cambridge, MN during 2015 were blood draw, pulmonary testing, lab tests and preventive care.

Volume of procedures performed by Dr. John M. Ruddy, MD for Medicare patients.

blood draw	518
cardiac procedures	23
doctor visit	921
lab tests	127
preventive care	104
pulmonary testing	129
stress testing	23
vaccines	104

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John M. Ruddy, MD.

**Gender**
Male	408
Female	338

**Ethnicity**
Non-Hispanic White	724
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	212
From 75 to 84	242
85 and over	74
Less than 65	218

Conditions of Medicare patients treated by Dr. John M. Ruddy, MD in 2015

Hypertension	75
High Cholesterol	49
Stroke	5
Ischemic Heart Disease	35
Depression	28
Chronic Kidney Disease	31
Asthma	19
Osteoperosis	4
Atrial Fibrilation	14
Heart Failure	23
Chronic Obstructive Pulmonary Disease	21
Diabetes	33
Dementia	11
Cancer	10

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John M. Ruddy, MD treated as an internist in Cambridge, MN during 2016 were blood draw, lab tests, pulmonary testing and preventive care.

Volume of procedures performed by Dr. John M. Ruddy, MD for Medicare patients.

blood draw	305
cardiac procedures	21
doctor visit	951
lab tests	180
preventive care	119
pulmonary testing	127
stress testing	21
vaccines	119

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John M. Ruddy, MD.

**Gender**
Male	190
Female	183

**Age**
From 65 to 74	116
From 75 to 84	115
85 and over	42
Less than 65	100

Conditions of Medicare patients treated by Dr. John M. Ruddy, MD in 2016

Hypertension	75
High Cholesterol	49
Stroke	5
Ischemic Heart Disease	34
Depression	33
Chronic Kidney Disease	33
Asthma	28
Osteoperosis	7
Atrial Fibrilation	14
Heart Failure	24
Chronic Obstructive Pulmonary Disease	22
Diabetes	34
Dementia	11
Cancer	9

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John M. Ruddy, MD treated as an internist in Cambridge, MN during 2017 were blood draw, lab tests, pulmonary testing and preventive care.

Volume of procedures performed by Dr. John M. Ruddy, MD for Medicare patients.

blood draw	450
cardiac procedures	17
doctor visit	888
lab tests	171
preventive care	66
pulmonary testing	99
stress testing	17
vaccines	66

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John M. Ruddy, MD.

**Gender**
Male	179
Female	171

**Ethnicity**
Non-Hispanic White	339
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	124
From 75 to 84	108
85 and over	45
Less than 65	73

Conditions of Medicare patients treated by Dr. John M. Ruddy, MD in 2017

Hypertension	75
High Cholesterol	47
Stroke	5
Ischemic Heart Disease	39
Depression	35
Chronic Kidney Disease	35
Asthma	17
Osteoperosis	5
Atrial Fibrilation	20
Heart Failure	27
Chronic Obstructive Pulmonary Disease	24
Diabetes	34
Dementia	11
Cancer	11

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John M. Ruddy, MD treated as an internist in Cambridge, MN during 2018 were blood draw, pulmonary testing, preventive care and vaccines.

Volume of procedures performed by Dr. John M. Ruddy, MD for Medicare patients.

blood draw	459
cardiac procedures	16
doctor visit	874
preventive care	85
pulmonary testing	115
stress testing	16
vaccines	85

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John M. Ruddy, MD.

**Gender**
Male	211
Female	200

**Ethnicity**
Non-Hispanic White	399
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	136
From 75 to 84	136
85 and over	63
Less than 65	76

Conditions of Medicare patients treated by Dr. John M. Ruddy, MD in 2018

Hypertension	75
High Cholesterol	47
Stroke	5
Ischemic Heart Disease	38
Depression	32
Chronic Kidney Disease	38
Asthma	9
Osteoperosis	7
Atrial Fibrilation	24
Heart Failure	28
Chronic Obstructive Pulmonary Disease	22
Diabetes	34
Dementia	11
Cancer	11

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John M. Ruddy, MD treated as an internist in Cambridge, MN during 2019 were lab tests, blood draw, preventive care and pulmonary testing.

Volume of procedures performed by Dr. John M. Ruddy, MD for Medicare patients.

blood draw	715
cardiac procedures	31
diabetes management	104
doctor visit	974
lab tests	1137
preventive care	411
pulmonary testing	187
stress testing	31
thyroid function tests	50
vaccines	90

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John M. Ruddy, MD.

**Gender**
Male	311
Female	311

**Ethnicity**
Non-Hispanic White	608
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	206
From 75 to 84	224
85 and over	106
Less than 65	86

Conditions of Medicare patients treated by Dr. John M. Ruddy, MD in 2019

Hypertension	74
High Cholesterol	50
Stroke	6
Ischemic Heart Disease	40
Depression	26
Chronic Kidney Disease	38
Asthma	8
Osteoperosis	7
Atrial Fibrilation	28
Heart Failure	30
Chronic Obstructive Pulmonary Disease	22
Diabetes	33
Dementia	9
Cancer	12

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. John M. Ruddy, MD treated as an internist in Cambridge, MN during 2020 were lab tests, blood draw, preventive care and diabetes management.

Volume of procedures performed by Dr. John M. Ruddy, MD for Medicare patients.

blood draw	624
cardiac procedures	21
diabetes management	120
doctor visit	648
lab tests	1305
preventive care	350
pulmonary testing	85
stress testing	21
thyroid function tests	47

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John M. Ruddy, MD.

**Gender**
Male	251
Female	244

**Age**
From 65 to 74	172
From 75 to 84	166
85 and over	101
Less than 65	56

Conditions of Medicare patients treated by Dr. John M. Ruddy, MD in 2020

Hypertension	75
High Cholesterol	53
Stroke	5
Ischemic Heart Disease	40
Depression	23
Chronic Kidney Disease	40
Asthma	7
Osteoperosis	7
Atrial Fibrilation	30
Heart Failure	30
Chronic Obstructive Pulmonary Disease	15
Diabetes	35
Dementia	7
Cancer	12

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John M. Ruddy, MD treated as an internist in Cambridge, MN during 2021 were lab tests, blood draw, preventive care and diabetes management.

Volume of procedures performed by Dr. John M. Ruddy, MD for Medicare patients.

blood draw	616
cardiac procedures	28
diabetes management	126
doctor visit	786
lab tests	1313
preventive care	358
pulmonary testing	101
stress testing	28
thyroid function tests	44

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John M. Ruddy, MD.

**Gender**
Male	220
Female	215

**Ethnicity**
Non-Hispanic White	417
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	169
From 75 to 84	135
85 and over	72
Less than 65	59

Conditions of Medicare patients treated by Dr. John M. Ruddy, MD in 2021

Hypertension	75
High Cholesterol	46
Stroke	5
Ischemic Heart Disease	39
Depression	28
Chronic Kidney Disease	36
Asthma	8
Osteoperosis	5
Atrial Fibrilation	22
Heart Failure	30
Chronic Obstructive Pulmonary Disease	20
Diabetes	36
Dementia	9
Cancer	10

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John M. Ruddy, MD treated as an internist in Cambridge, MN during 2022 were lab tests, blood draw, preventive care and pulmonary testing.

Volume of procedures performed by Dr. John M. Ruddy, MD for Medicare patients.

blood draw	438
cardiac procedures	29
diabetes management	121
doctor visit	680
lab tests	964
preventive care	343
pulmonary testing	143
stress testing	29
thyroid function tests	40

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John M. Ruddy, MD.

**Gender**
Male	194
Female	173

**Ethnicity**
Non-Hispanic White	354
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	138
From 75 to 84	121
85 and over	48
Less than 65	60

Conditions of Medicare patients treated by Dr. John M. Ruddy, MD in 2022

Hypertension	75
High Cholesterol	66
Stroke	8
Ischemic Heart Disease	32
Depression	23
Chronic Kidney Disease	22
Asthma	11
Osteoperosis	7
Atrial Fibrilation	22
Heart Failure	22
Chronic Obstructive Pulmonary Disease	28
Diabetes	31
Dementia	6
Cancer	13

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. John M. Ruddy, MD for Medicare patients.

The highest averages for the top procedures that Dr. John M. Ruddy, MD treated as an internist in Cambridge, MN were lab tests, blood draw, preventive care and pulmonary testing.

blood draw	489
cardiac procedures	25
diabetes management	117
doctor visit	866
lab tests	556
preventive care	187
pulmonary testing	127
stress testing	25
thyroid function tests	45
vaccines	85

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. John M. Ruddy, MD.

**Gender**
Male	217
Female	201

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	329
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	135
85 and over	59
Less than 65	84
65 to 74	139

Average of Total of Conditions of Medicare patients treated by Dr. John M. Ruddy, MD From 2012 - 2022

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

Hypertension	67
High Cholesterol	46
Stroke	4
Ischemic Heart Disease	33
Depression	25
Chronic Kidney Disease	29
Asthma	11
Osteoporosis	5
Heart Failure	23
Chronic Obstructive Pulmonary Disease	19
Diabetes	30
Atrial Fibrillation	18
Dementia	8
Cancer	10

Education & Training

He has a state license in Minnesota.

Licensed In: Minnesota

Ratings & Reviews

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Biography

Dr. John Ruddy is a graduate of the University of Minnesota Medical School. He is professionally affiliated with Allina Health.

Select Year:

Dr. John M. Ruddy, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. John M. Ruddy, MD in 2023

By Volume:

By Volume:

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. John M. Ruddy, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John M. Ruddy, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John M. Ruddy, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John M. Ruddy, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John M. Ruddy, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John M. Ruddy, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John M. Ruddy, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John M. Ruddy, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John M. Ruddy, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John M. Ruddy, 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. John M. Ruddy, MD From 2012 - 2022

Education & Training

Ratings & Reviews

Biography

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