Procedure Volume Patient Data Patient Conditions Reviews General Payments Back to Top

Home > MN Providers > Internists & Internal Medicine Doctors

Dr. Michael Anthony May, MD

(No ratings)

Specializes in: Internal Medicine (Adult Medicine) and Hospital Medicine (Hospitalist)

University of Minnesota Medical School

301 Becker Avenue Sw
Willmar, MN 56201

(320) 235-4543

Dr. Michael Anthony May, MD is an internist in Willmar, MN specializing in internal medicine (adult medicine) and hospital medicine (hospitalist). He graduated from University of Minnesota Medical School. Dr. Michael Anthony May, MD is affiliated with CentraCare.

Office Locations

101 Willmar Avenue Sw
Willmar, MN 56201

(320) 231-5000

(320) 231-5067

open_in_new

301 Becker Avenue Sw
Willmar, MN 56201

(320) 235-4543

open_in_new

Noteworthy Medicare Patient Procedures Performed by Dr. Michael Anthony May, MD in 2024

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

Top 25%

By Volume:

pulmonary function test

In 2012, Dr. Michael Anthony May, MD performed more pulmonary function test (PFT) procedures for Medicare patients than 75% of providers in related specialties within Minnesota.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Michael Anthony May, MD treated as an internist in Willmar, MN during 2012 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Michael Anthony May, MD for Medicare patients.

hospital care	611
inpatient care	518
outpatient care	93

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Michael Anthony May, MD treated as an internist in Willmar, MN during 2013 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Michael Anthony May, MD for Medicare patients.

hospital care	545
inpatient care	450
outpatient care	95

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Anthony May, MD.

**Gender**
Male	203
Female	304

**Ethnicity**
Non-Hispanic White	475
Black	0
Hispanic	11
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	145
From 75 to 84	132
85 and over	132
Less than 65	98

Conditions of Medicare patients treated by Dr. Michael Anthony May, MD in 2013

Hypertension	70
High Cholesterol	49
Stroke	7
Ischemic Heart Disease	36
Depression	28
Chronic Kidney Disease	32
Asthma	11
Osteoperosis	9
Atrial Fibrilation	22
Heart Failure	29
Chronic Obstructive Pulmonary Disease	21
Diabetes	33
Dementia	13
Cancer	12

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Michael Anthony May, MD treated as an internist in Willmar, MN during 2014 were hospital care, inpatient care, outpatient care and stress testing.

Volume of procedures performed by Dr. Michael Anthony May, MD for Medicare patients.

cardiac procedures	12
hospital care	558
inpatient care	487
outpatient care	71
stress testing	12

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Anthony May, MD.

**Gender**
Male	286
Female	291

**Ethnicity**
Non-Hispanic White	535
Black	0
Hispanic	23
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	160
From 75 to 84	175
85 and over	122
Less than 65	120

Conditions of Medicare patients treated by Dr. Michael Anthony May, MD in 2014

Hypertension	71
High Cholesterol	49
Stroke	6
Ischemic Heart Disease	37
Depression	28
Chronic Kidney Disease	33
Asthma	8
Osteoperosis	6
Atrial Fibrilation	22
Heart Failure	27
Chronic Obstructive Pulmonary Disease	19
Diabetes	32
Dementia	12
Cancer	12

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Michael Anthony May, MD treated as an internist in Willmar, MN during 2015 were hospital care, inpatient care, outpatient care and stress testing.

Volume of procedures performed by Dr. Michael Anthony May, MD for Medicare patients.

cardiac procedures	18
hospital care	498
inpatient care	413
outpatient care	85
stress testing	18

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Anthony May, MD.

**Gender**
Male	538
Female	614

**Ethnicity**
Non-Hispanic White	1072
Black	0
Hispanic	52
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	328
From 75 to 84	330
85 and over	256
Less than 65	238

Conditions of Medicare patients treated by Dr. Michael Anthony May, MD in 2015

Hypertension	70
High Cholesterol	43
Stroke	5
Ischemic Heart Disease	35
Depression	27
Chronic Kidney Disease	36
Asthma	18
Osteoperosis	7
Atrial Fibrilation	20
Heart Failure	27
Chronic Obstructive Pulmonary Disease	21
Diabetes	36
Dementia	11
Cancer	12

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Michael Anthony May, MD treated as an internist in Willmar, MN during 2016 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Michael Anthony May, MD for Medicare patients.

doctor visit	14
hospital care	407
inpatient care	357
outpatient care	50

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Anthony May, MD.

**Gender**
Male	244
Female	317

**Ethnicity**
Non-Hispanic White	522
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	152
From 75 to 84	161
85 and over	121
Less than 65	127

Conditions of Medicare patients treated by Dr. Michael Anthony May, MD in 2016

Hypertension	71
High Cholesterol	44
Stroke	4
Ischemic Heart Disease	32
Depression	27
Chronic Kidney Disease	40
Asthma	22
Osteoperosis	5
Atrial Fibrilation	17
Heart Failure	31
Chronic Obstructive Pulmonary Disease	20
Diabetes	33
Dementia	17
Cancer	13

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Michael Anthony May, MD treated as an internist in Willmar, MN during 2017 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Michael Anthony May, MD for Medicare patients.

hospital care	577
inpatient care	532
outpatient care	45

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Anthony May, MD.

**Gender**
Male	205
Female	263

**Ethnicity**
Non-Hispanic White	432
Black	0
Hispanic	20
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	117
From 75 to 84	139
85 and over	103
Less than 65	109

Conditions of Medicare patients treated by Dr. Michael Anthony May, MD in 2017

Hypertension	73
High Cholesterol	50
Stroke	8
Ischemic Heart Disease	37
Depression	31
Chronic Kidney Disease	51
Asthma	8
Osteoperosis	7
Atrial Fibrilation	18
Heart Failure	32
Chronic Obstructive Pulmonary Disease	24
Diabetes	36
Dementia	18
Cancer	11

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Michael Anthony May, MD treated as an internist in Willmar, MN during 2018 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Michael Anthony May, MD for Medicare patients.

hospital care	646
inpatient care	589
outpatient care	57

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Anthony May, MD.

**Gender**
Male	220
Female	267

**Ethnicity**
Non-Hispanic White	451
Black	0
Hispanic	22
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	151
From 75 to 84	124
85 and over	112
Less than 65	100

Conditions of Medicare patients treated by Dr. Michael Anthony May, MD in 2018

Hypertension	71
High Cholesterol	49
Stroke	6
Ischemic Heart Disease	36
Depression	30
Chronic Kidney Disease	48
Asthma	10
Osteoperosis	7
Atrial Fibrilation	24
Heart Failure	32
Chronic Obstructive Pulmonary Disease	26
Diabetes	35
Dementia	18
Cancer	13

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Michael Anthony May, MD treated as an internist in Willmar, MN during 2019 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Michael Anthony May, MD for Medicare patients.

doctor visit	13
hospital care	832
inpatient care	712
outpatient care	120

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Anthony May, MD.

**Gender**
Male	363
Female	445

**Ethnicity**
Non-Hispanic White	756
Black	0
Hispanic	31
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	295
From 75 to 84	224
85 and over	156
Less than 65	133

Conditions of Medicare patients treated by Dr. Michael Anthony May, MD in 2019

Hypertension	71
High Cholesterol	57
Stroke	7
Ischemic Heart Disease	31
Depression	29
Chronic Kidney Disease	44
Asthma	8
Osteoperosis	6
Atrial Fibrilation	23
Heart Failure	30
Chronic Obstructive Pulmonary Disease	21
Diabetes	34
Dementia	15
Cancer	13

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Michael Anthony May, MD treated as an internist in Willmar, MN during 2020 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Michael Anthony May, MD for Medicare patients.

hospital care	654
inpatient care	591
outpatient care	63

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Anthony May, MD.

**Gender**
Male	330
Female	356

**Ethnicity**
Non-Hispanic White	641
Black	0
Hispanic	22
Asian	0
Other	12
Native American	0

**Age**
From 65 to 74	221
From 75 to 84	209
85 and over	153
Less than 65	103

Conditions of Medicare patients treated by Dr. Michael Anthony May, MD in 2020

Hypertension	75
High Cholesterol	58
Stroke	8
Ischemic Heart Disease	40
Depression	32
Chronic Kidney Disease	55
Asthma	10
Osteoperosis	7
Atrial Fibrilation	23
Heart Failure	33
Chronic Obstructive Pulmonary Disease	22
Diabetes	37
Dementia	15
Cancer	13

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Michael Anthony May, MD treated as an internist in Willmar, MN during 2021 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Michael Anthony May, MD for Medicare patients.

doctor visit	26
hospital care	517
inpatient care	490
outpatient care	27

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Anthony May, MD.

**Gender**
Male	299
Female	378

**Ethnicity**
Non-Hispanic White	626
Black	0
Hispanic	21
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	253
From 75 to 84	208
85 and over	121
Less than 65	95

Conditions of Medicare patients treated by Dr. Michael Anthony May, MD in 2021

Hypertension	75
High Cholesterol	61
Stroke	7
Ischemic Heart Disease	38
Depression	35
Chronic Kidney Disease	52
Asthma	9
Osteoperosis	8
Atrial Fibrilation	24
Heart Failure	32
Chronic Obstructive Pulmonary Disease	21
Diabetes	33
Dementia	17
Cancer	16

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Michael Anthony May, MD treated as an internist in Willmar, MN during 2022 were hospital care, inpatient care, outpatient care and pulmonary testing.

Volume of procedures performed by Dr. Michael Anthony May, MD for Medicare patients.

hospital care	402
inpatient care	369
outpatient care	33
pulmonary testing	21

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Anthony May, MD.

**Gender**
Male	287
Female	346

**Ethnicity**
Non-Hispanic White	585
Black	0
Hispanic	18
Asian	0
Other	16
Native American	0

**Age**
From 65 to 74	206
From 75 to 84	212
85 and over	124
Less than 65	91

Conditions of Medicare patients treated by Dr. Michael Anthony May, MD in 2022

Hypertension	75
High Cholesterol	71
Stroke	11
Ischemic Heart Disease	33
Depression	34
Chronic Kidney Disease	41
Asthma	12
Osteoperosis	15
Atrial Fibrilation	33
Heart Failure	29
Chronic Obstructive Pulmonary Disease	27
Diabetes	34
Dementia	14
Cancer	18

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Michael Anthony May, MD treated as an internist in Willmar, MN during 2023 were hospital care, inpatient care and pulmonary testing.

Volume of procedures performed by Dr. Michael Anthony May, MD for Medicare patients.

hospital care	320
inpatient care	320
pulmonary testing	84

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Anthony May, MD.

**Gender**
Male	259
Female	323

**Ethnicity**
Non-Hispanic White	551
Black	0
Hispanic	14
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	210
From 75 to 84	171
85 and over	121
Less than 65	80

Conditions of Medicare patients treated by Dr. Michael Anthony May, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	35
Depression	34
Chronic Kidney Disease	35
Asthma	17
Osteoperosis	16
Atrial Fibrilation	33
Heart Failure	30
Chronic Obstructive Pulmonary Disease	27
Diabetes	34
Dementia	13
Cancer	19

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Michael Anthony May, MD treated as an internist in Willmar, MN during 2024 were hospital care, inpatient care and pulmonary testing.

Volume of procedures performed by Dr. Michael Anthony May, MD for Medicare patients.

hospital care	170
inpatient care	170
pulmonary testing	93

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Anthony May, MD.

**Gender**
Male	256
Female	341

**Ethnicity**
Non-Hispanic White	559
Black	0
Hispanic	0
Asian	0
Other	16
Native American	0

**Age**
From 65 to 74	224
From 75 to 84	177
85 and over	111
Less than 65	85

Conditions of Medicare patients treated by Dr. Michael Anthony May, MD in 2024

Hypertension	75
High Cholesterol	72
Stroke	7
Ischemic Heart Disease	31
Depression	31
Chronic Kidney Disease	33
Asthma	14
Osteoperosis	16
Atrial Fibrilation	26
Heart Failure	27
Chronic Obstructive Pulmonary Disease	23
Diabetes	34
Dementia	11
Cancer	19

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Michael Anthony May, MD for Medicare patients.

The highest averages for the top procedures that Dr. Michael Anthony May, MD treated as an internist in Willmar, MN were hospital care, inpatient care, outpatient care and pulmonary testing.

cardiac procedures	15
doctor visit	17
hospital care	518
inpatient care	461
outpatient care	67
pulmonary testing	66
stress testing	15

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Michael Anthony May, MD.

**Gender**
Male	268
Female	326

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	554
Native American / Alaskan Native	0
Hispanic	18
Other	3

**Age**
75 to 84	174
85 and over	125
Less than 65	106
65 to 74	189

Average of Total of Conditions of Medicare patients treated by Dr. Michael Anthony May, MD From 2012 - 2024

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

Hypertension	67
High Cholesterol	52
Stroke	6
Ischemic Heart Disease	32
Depression	28
Chronic Kidney Disease	38
Asthma	11
Osteoporosis	8
Heart Failure	27
Chronic Obstructive Pulmonary Disease	20
Diabetes	31
Atrial Fibrillation	21
Cancer	13
Dementia	13

Education & Training

Dr. Michael Anthony May, MD graduated from University of Minnesota Medical School. He completed residency at Abbott Northwestern Hospital. He is certified by the American Board of Internal Medicine - Internal Medicine and has a state license in Minnesota.

Medical School: University of Minnesota Medical School

Residency: Abbott Northwestern Hospital

Board Certification: American Board of Internal Medicine - Internal Medicine

Licensed In: Minnesota

Affiliations & Hospitals

Dr. Michael Anthony May, MD is associated with these hospitals and organizations:

CentraCare

Ratings & Reviews

Dr. Michael Anthony May, MD does not have any reviews yet, be the first to leave a review of Dr. Michael Anthony May, MD here: Leave a Review

(No ratings)

Leave a Review

General Payments

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