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Dr. Michelle Susan McMahon-Downer, MD, BS

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Specializes in: Emergency Medicine
55 Fogg Road
Weymouth, MA 02190

Dr. Michelle Susan McMahon-Downer, MD, BS is an emergency medicine doctor in Fromingham, MA specializing in emergency medicine. Dr. Michelle Susan McMahon-Downer, MD, BS is affiliated with South Shore Health and Emerson Health.

View Doctor's Full Profile (781) 624-8000

Office Locations

115 Lincoln Street
Fromingham, MA 01702
(508) 383-1104
(508) 383-1138
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Emerson Health

133 Old Road To Nine Acre Corner
Concord, MA 01742
(978) 369-1400
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South Shore Health

55 Fogg Road
Weymouth, MA 02190
(781) 624-8000
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Noteworthy Medicare Patient Procedures Performed by Dr. Michelle Susan McMahon-Downer, MD, BS in 2023

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

Top 25%

By Volume:

emergency room care

In 2012, Dr. Michelle Susan McMahon-Downer, MD, BS performed more emergency room (ER) care procedures for Medicare patients than 75% of providers in related specialties within Massachusetts.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Michelle Susan McMahon-Downer, MD, BS treated as an emergency medicine doctor in Fromingham, MA during 2012 were emergency care.

Volume of procedures performed by Dr. Michelle Susan McMahon-Downer, MD, BS for Medicare patients.

emergency care 457

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Michelle Susan McMahon-Downer, MD, BS treated as an emergency medicine doctor in Fromingham, MA during 2013 were emergency care, outpatient care and hospital care.

Volume of procedures performed by Dr. Michelle Susan McMahon-Downer, MD, BS for Medicare patients.

emergency care 467
hospital care 32
outpatient care 32

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Michelle Susan McMahon-Downer, MD, BS.

Gender
Male 205
Female 281
Ethnicity
Non-Hispanic White 427
Black 28
Hispanic 14
Asian 0
Other 0
Native American 0
Age
From 65 to 74 126
From 75 to 84 123
85 and over 125
Less than 65 112

Conditions of Medicare patients treated by Dr. Michelle Susan McMahon-Downer, MD, BS in 2013

Hypertension 73
High Cholesterol 58
Stroke 12
Ischemic Heart Disease 40
Depression 47
Chronic Kidney Disease 31
Asthma 15
Osteoperosis 10
Atrial Fibrilation 24
Heart Failure 33
Chronic Obstructive Pulmonary Disease 21
Diabetes 30
Dementia 23
Cancer 16

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Michelle Susan McMahon-Downer, MD, BS treated as an emergency medicine doctor in Fromingham, MA during 2014 were emergency care, outpatient care and hospital care.

Volume of procedures performed by Dr. Michelle Susan McMahon-Downer, MD, BS for Medicare patients.

emergency care 457
hospital care 15
outpatient care 15

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Michelle Susan McMahon-Downer, MD, BS.

Gender
Male 197
Female 292
Ethnicity
Non-Hispanic White 426
Black 25
Hispanic 15
Asian 12
Other 11
Native American 0
Age
From 65 to 74 142
From 75 to 84 118
85 and over 143
Less than 65 86

Conditions of Medicare patients treated by Dr. Michelle Susan McMahon-Downer, MD, BS in 2014

Hypertension 75
High Cholesterol 60
Stroke 8
Ischemic Heart Disease 50
Depression 48
Chronic Kidney Disease 36
Asthma 14
Osteoperosis 14
Atrial Fibrilation 24
Heart Failure 34
Chronic Obstructive Pulmonary Disease 21
Diabetes 29
Dementia 26
Cancer 15

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Michelle Susan McMahon-Downer, MD, BS treated as an emergency medicine doctor in Fromingham, MA during 2015 were emergency care, outpatient care and hospital care.

Volume of procedures performed by Dr. Michelle Susan McMahon-Downer, MD, BS for Medicare patients.

emergency care 376
hospital care 47
outpatient care 47

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Michelle Susan McMahon-Downer, MD, BS.

Gender
Male 422
Female 444
Ethnicity
Non-Hispanic White 752
Black 30
Hispanic 28
Asian 0
Other 34
Native American 0
Age
From 65 to 74 204
From 75 to 84 214
85 and over 236
Less than 65 212

Conditions of Medicare patients treated by Dr. Michelle Susan McMahon-Downer, MD, BS in 2015

Hypertension 75
High Cholesterol 61
Stroke 9
Ischemic Heart Disease 46
Depression 44
Chronic Kidney Disease 41
Asthma 20
Osteoperosis 13
Atrial Fibrilation 23
Heart Failure 31
Chronic Obstructive Pulmonary Disease 23
Diabetes 32
Dementia 22
Cancer 16

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Michelle Susan McMahon-Downer, MD, BS treated as an emergency medicine doctor in Fromingham, MA during 2016 were emergency care, outpatient care and hospital care.

Volume of procedures performed by Dr. Michelle Susan McMahon-Downer, MD, BS for Medicare patients.

emergency care 378
hospital care 37
outpatient care 37

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Michelle Susan McMahon-Downer, MD, BS.

Gender
Male 196
Female 227
Ethnicity
Non-Hispanic White 353
Black 20
Hispanic 36
Asian 0
Other 0
Native American 0
Age
From 65 to 74 87
From 75 to 84 110
85 and over 90
Less than 65 136

Conditions of Medicare patients treated by Dr. Michelle Susan McMahon-Downer, MD, BS in 2016

Hypertension 75
High Cholesterol 59
Stroke 7
Ischemic Heart Disease 44
Depression 49
Chronic Kidney Disease 43
Asthma 32
Osteoperosis 14
Atrial Fibrilation 21
Heart Failure 33
Chronic Obstructive Pulmonary Disease 27
Diabetes 31
Dementia 26
Cancer 13

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Michelle Susan McMahon-Downer, MD, BS treated as an emergency medicine doctor in Fromingham, MA during 2017 were emergency care, outpatient care and hospital care.

Volume of procedures performed by Dr. Michelle Susan McMahon-Downer, MD, BS for Medicare patients.

emergency care 389
hospital care 29
outpatient care 29

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Michelle Susan McMahon-Downer, MD, BS.

Gender
Male 210
Female 230
Ethnicity
Non-Hispanic White 381
Black 18
Hispanic 27
Asian 0
Other 0
Native American 0
Age
From 65 to 74 105
From 75 to 84 119
85 and over 118
Less than 65 98

Conditions of Medicare patients treated by Dr. Michelle Susan McMahon-Downer, MD, BS in 2017

Hypertension 75
High Cholesterol 59
Stroke 10
Ischemic Heart Disease 50
Depression 48
Chronic Kidney Disease 47
Asthma 17
Osteoperosis 12
Atrial Fibrilation 26
Heart Failure 36
Chronic Obstructive Pulmonary Disease 25
Diabetes 36
Dementia 29
Cancer 14

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Michelle Susan McMahon-Downer, MD, BS treated as an emergency medicine doctor in Fromingham, MA during 2018 were emergency care, outpatient care and hospital care.

Volume of procedures performed by Dr. Michelle Susan McMahon-Downer, MD, BS for Medicare patients.

emergency care 375
hospital care 11
outpatient care 11

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Michelle Susan McMahon-Downer, MD, BS.

Gender
Male 185
Female 212
Ethnicity
Non-Hispanic White 344
Black 13
Hispanic 27
Asian 0
Other 0
Native American 0
Age
From 65 to 74 88
From 75 to 84 92
85 and over 100
Less than 65 117

Conditions of Medicare patients treated by Dr. Michelle Susan McMahon-Downer, MD, BS in 2018

Hypertension 75
High Cholesterol 63
Stroke 9
Ischemic Heart Disease 44
Depression 48
Chronic Kidney Disease 50
Asthma 19
Osteoperosis 12
Atrial Fibrilation 20
Heart Failure 32
Chronic Obstructive Pulmonary Disease 23
Diabetes 34
Dementia 27
Cancer 16

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Michelle Susan McMahon-Downer, MD, BS treated as an emergency medicine doctor in Fromingham, MA during 2019 were emergency care.

Volume of procedures performed by Dr. Michelle Susan McMahon-Downer, MD, BS for Medicare patients.

emergency care 346

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Michelle Susan McMahon-Downer, MD, BS.

Gender
Male 174
Female 189
Ethnicity
Non-Hispanic White 311
Black 12
Hispanic 21
Asian 0
Other 0
Native American 0
Age
From 65 to 74 84
From 75 to 84 96
85 and over 91
Less than 65 92

Conditions of Medicare patients treated by Dr. Michelle Susan McMahon-Downer, MD, BS in 2019

Hypertension 75
High Cholesterol 66
Stroke 10
Ischemic Heart Disease 47
Depression 48
Chronic Kidney Disease 48
Asthma 15
Osteoperosis 11
Atrial Fibrilation 23
Heart Failure 34
Chronic Obstructive Pulmonary Disease 21
Diabetes 32
Dementia 26
Cancer 15

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Michelle Susan McMahon-Downer, MD, BS treated as an emergency medicine doctor in Fromingham, MA during 2020 were emergency care.

Volume of procedures performed by Dr. Michelle Susan McMahon-Downer, MD, BS for Medicare patients.

emergency care 309

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Michelle Susan McMahon-Downer, MD, BS.

Gender
Male 161
Female 173
Ethnicity
Non-Hispanic White 289
Black 0
Hispanic 12
Asian 0
Other 14
Native American 0
Age
From 65 to 74 91
From 75 to 84 94
85 and over 81
Less than 65 68

Conditions of Medicare patients treated by Dr. Michelle Susan McMahon-Downer, MD, BS in 2020

Hypertension 73
High Cholesterol 62
Stroke 11
Ischemic Heart Disease 49
Depression 46
Chronic Kidney Disease 50
Asthma 13
Osteoperosis 10
Atrial Fibrilation 27
Heart Failure 37
Chronic Obstructive Pulmonary Disease 22
Diabetes 29
Dementia 30
Cancer 13

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Michelle Susan McMahon-Downer, MD, BS treated as an emergency medicine doctor in Fromingham, MA during 2021 were emergency care.

Volume of procedures performed by Dr. Michelle Susan McMahon-Downer, MD, BS for Medicare patients.

emergency care 426

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Michelle Susan McMahon-Downer, MD, BS.

Gender
Male 171
Female 264
Ethnicity
Non-Hispanic White 404
Black 0
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 136
From 75 to 84 134
85 and over 98
Less than 65 67

Conditions of Medicare patients treated by Dr. Michelle Susan McMahon-Downer, MD, BS in 2021

Hypertension 75
High Cholesterol 63
Stroke 10
Ischemic Heart Disease 46
Depression 44
Chronic Kidney Disease 43
Asthma 14
Osteoperosis 15
Atrial Fibrilation 23
Heart Failure 32
Chronic Obstructive Pulmonary Disease 19
Diabetes 26
Dementia 26
Cancer 13

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Michelle Susan McMahon-Downer, MD, BS treated as an emergency medicine doctor in Fromingham, MA during 2022 were emergency care.

Volume of procedures performed by Dr. Michelle Susan McMahon-Downer, MD, BS for Medicare patients.

emergency care 551

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Michelle Susan McMahon-Downer, MD, BS.

Gender
Male 237
Female 329
Ethnicity
Non-Hispanic White 508
Black 0
Hispanic 15
Asian 0
Other 21
Native American 0
Age
From 65 to 74 144
From 75 to 84 206
85 and over 137
Less than 65 79

Conditions of Medicare patients treated by Dr. Michelle Susan McMahon-Downer, MD, BS in 2022

Hypertension 75
High Cholesterol 70
Stroke 17
Ischemic Heart Disease 40
Depression 44
Chronic Kidney Disease 33
Asthma 17
Osteoperosis 20
Atrial Fibrilation 32
Heart Failure 32
Chronic Obstructive Pulmonary Disease 22
Diabetes 32
Dementia 25
Cancer 23

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Michelle Susan McMahon-Downer, MD, BS treated as an emergency medicine doctor in Fromingham, MA during 2023 were emergency care, hospital care and inpatient care.

Volume of procedures performed by Dr. Michelle Susan McMahon-Downer, MD, BS for Medicare patients.

emergency care 513
hospital care 18
inpatient care 18

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Michelle Susan McMahon-Downer, MD, BS.

Gender
Male 217
Female 320
Ethnicity
Non-Hispanic White 492
Black 12
Hispanic 0
Asian 0
Other 19
Native American 0
Age
From 65 to 74 147
From 75 to 84 173
85 and over 161
Less than 65 56

Conditions of Medicare patients treated by Dr. Michelle Susan McMahon-Downer, MD, BS in 2023

Hypertension 75
High Cholesterol 75
Stroke 16
Ischemic Heart Disease 36
Depression 42
Chronic Kidney Disease 35
Asthma 17
Osteoperosis 21
Atrial Fibrilation 33
Heart Failure 35
Chronic Obstructive Pulmonary Disease 23
Diabetes 25
Dementia 28
Cancer 18

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. Michelle Susan McMahon-Downer, MD, BS for Medicare patients.

The highest averages for the top procedures that Dr. Michelle Susan McMahon-Downer, MD, BS treated as an emergency medicine doctor in Fromingham, MA were emergency care, outpatient care, hospital care and inpatient care.

emergency care 420
hospital care 27
inpatient care 18
outpatient care 28

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Michelle Susan McMahon-Downer, MD, BS.

Gender
Female 246
Male 197
Ethnicity
Black / African American 13
Asian / Pacific Islander 1
Non-Hispanic White 390
Native American / Alaskan Native 0
Hispanic 16
Other 8
Age
75 to 84 123
85 and over 115
Less than 65 93
65 to 74 112

Average of Total of Conditions of Medicare patients treated by Dr. Michelle Susan McMahon-Downer, MD, BS From 2012 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Michelle Susan McMahon-Downer, MD, BS treated were hypertension, high cholesterol, depression and ischemic heart disease.

Hypertension 68
High Cholesterol 58
Stroke 9
Ischemic Heart Disease 41
Depression 42
Chronic Kidney Disease 38
Asthma 16
Osteoporosis 12
Heart Failure 30
Chronic Obstructive Pulmonary Disease 20
Diabetes 28
Atrial Fibrillation 23
Dementia 24
Cancer 14

Education & Training

She completed residency at Rhode Island Hospital. She is certified by the Board Certification: Emergency Medicine and has a state license in Massachusetts.

Residency: Rhode Island Hospital

Board Certification: Board Certification: Emergency Medicine

Licensed In: Massachusetts

Affiliations & Hospitals

Dr. Michelle Susan McMahon-Downer, MD, BS is associated with these hospitals and organizations:

South Shore Health
Emerson Health

Ratings & Reviews

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Biography

Dr. Michelle McMahon-Downer specializes in emergency medicine. Her training includes a residency program at Rhode Island Hospital. Her professional affiliations include Emerson Health and South Shore Health.