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Dr. Tracey Gemmill Simon, MD

(Dr. Tracey G. Simon, M.D.)
Specializes in: Adult Gastroenterology
Brown University, Alpert Medical School
Professional interests include: hepatocellular carcinoma (HCC), cirrhosis, abnormal liver function tests, and more.
55 Fruit Street
Boston, MA 02114

Dr. Tracey Gemmill Simon, MD is a gastroenterologist in Waltham, MA specializing in adult gastroenterology. She graduated from Brown University, Alpert Medical School. Dr. Tracey Gemmill Simon, MD is affiliated with Massachusetts General Hospital and MASSACHUSETTS GENERAL PHYSICIANS ORGANIZATION INC.

View Doctor's Full Profile (617) 726-2426

Office Locations

52 Second Avenue Suite 570
Waltham, MA 02451
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Massachusetts General Hospital

55 Fruit Street
Boston, MA 02114
(617) 726-2426
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In The News 

“Among the 80 patients in the single-center study, 6 months of aspirin led to a 6.6% mean absolute reduction in liver fat content on magnetic resonance spectroscopy (MRS), as compared with a 3.6%...”—"Aspirin Cuts Liver Fat in Preliminary MASLD Trial", MedPage Today, March 2024
“In two large cohorts of health professionals, regular aspirin use was associated with about a 50% reduction in liver cancer incidence, with greater benefits accruing to those who took it more often...”—"Regular Aspirin Use Tied to Reduction in HCC Risk", MedPage Today, November 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Tracey Gemmill Simon, MD treated as a gastroenterologist in Waltham, MA during 2019 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Tracey Gemmill Simon, MD for Medicare patients.

diagnostic procedures 84
doctor visit 74
gastrointestinal procedures 97
minimally invasive procedures 97
removal of lesion (e.g. growth) 84

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Tracey Gemmill Simon, MD.

Gender
Male 70
Female 70
Ethnicity
Non-Hispanic White 102
Black 0
Hispanic 22
Asian 0
Other 0
Native American 0
Age
From 65 to 74 69
From 75 to 84 0
85 and over 0
Less than 65 40

Conditions of Medicare patients treated by Dr. Tracey Gemmill Simon, MD in 2019

The most common conditions of Medicare patients that Dr. Tracey Gemmill Simon, MD treated during 2019 were hypertension, high cholesterol, chronic kidney disease and depression.

Hypertension 62
High Cholesterol 52
Stroke 0
Ischemic Heart Disease 31
Depression 33
Chronic Kidney Disease 37
Asthma 11
Osteoperosis 10
Atrial Fibrilation 11
Heart Failure 16
Chronic Obstructive Pulmonary Disease 11
Diabetes 32
Dementia 8
Cancer 13

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Tracey Gemmill Simon, MD treated as a gastroenterologist in Waltham, MA during 2020 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Tracey Gemmill Simon, MD for Medicare patients.

diagnostic procedures 43
doctor visit 49
gastrointestinal procedures 68
hospital care 39
inpatient care 39
minimally invasive procedures 68
preventive care 13
removal of lesion (e.g. growth) 43

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Tracey Gemmill Simon, MD.

Gender
Male 79
Female 82
Ethnicity
Non-Hispanic White 133
Black 0
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 75
From 75 to 84 41
85 and over 17
Less than 65 28

Conditions of Medicare patients treated by Dr. Tracey Gemmill Simon, MD in 2020

The most common conditions of Medicare patients that Dr. Tracey Gemmill Simon, MD treated during 2020 were hypertension, high cholesterol, chronic kidney disease and ischemic heart disease.

Hypertension 75
High Cholesterol 63
Stroke 9
Ischemic Heart Disease 52
Depression 37
Chronic Kidney Disease 52
Asthma 12
Osteoperosis 15
Atrial Fibrilation 20
Heart Failure 32
Chronic Obstructive Pulmonary Disease 17
Diabetes 39
Dementia 16
Cancer 20

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Tracey Gemmill Simon, MD treated as a gastroenterologist in Waltham, MA during 2021 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Tracey Gemmill Simon, MD for Medicare patients.

diagnostic procedures 51
doctor visit 40
gastrointestinal procedures 69
hospital care 15
inpatient care 15
minimally invasive procedures 69
removal of lesion (e.g. growth) 51

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Tracey Gemmill Simon, MD.

Gender
Male 51
Female 86
Ethnicity
Non-Hispanic White 122
Black 0
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 84
From 75 to 84 0
85 and over 0
Less than 65 29

Conditions of Medicare patients treated by Dr. Tracey Gemmill Simon, MD in 2021

The most common conditions of Medicare patients that Dr. Tracey Gemmill Simon, MD treated during 2021 were hypertension, high cholesterol, chronic kidney disease and ischemic heart disease.

Hypertension 64
High Cholesterol 48
Stroke 0
Ischemic Heart Disease 36
Depression 29
Chronic Kidney Disease 39
Asthma 14
Osteoperosis 15
Atrial Fibrilation 13
Heart Failure 19
Chronic Obstructive Pulmonary Disease 13
Diabetes 35
Dementia 13
Cancer 12

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Tracey Gemmill Simon, MD treated as a gastroenterologist in Waltham, MA during 2022 were removal of lesion (e.g. growth), minimally invasive procedures, diagnostic procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Tracey Gemmill Simon, MD for Medicare patients.

diagnostic procedures 59
doctor visit 67
gastrointestinal procedures 59
hospital care 53
inpatient care 53
minimally invasive procedures 59
removal of lesion (e.g. growth) 59

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Tracey Gemmill Simon, MD.

Gender
Male 80
Female 92
Ethnicity
Non-Hispanic White 147
Black 0
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 86
From 75 to 84 40
85 and over 14
Less than 65 32

Conditions of Medicare patients treated by Dr. Tracey Gemmill Simon, MD in 2022

The most common conditions of Medicare patients that Dr. Tracey Gemmill Simon, MD treated during 2022 were hypertension, high cholesterol, diabetes and chronic kidney disease.

Hypertension 75
High Cholesterol 67
Stroke 11
Ischemic Heart Disease 33
Depression 33
Chronic Kidney Disease 37
Asthma 18
Osteoperosis 20
Atrial Fibrilation 27
Heart Failure 23
Chronic Obstructive Pulmonary Disease 16
Diabetes 39
Dementia 15
Cancer 24

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Tracey Gemmill Simon, MD treated as a gastroenterologist in Waltham, MA during 2023 were removal of lesion (e.g. growth), minimally invasive procedures, diagnostic procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Tracey Gemmill Simon, MD for Medicare patients.

diagnostic procedures 52
doctor visit 60
gastrointestinal procedures 52
hospital care 21
inpatient care 21
minimally invasive procedures 52
removal of lesion (e.g. growth) 52

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Tracey Gemmill Simon, MD.

Gender
Male 58
Female 94
Ethnicity
Non-Hispanic White 124
Black 0
Hispanic 11
Asian 0
Other 0
Native American 0
Age
From 65 to 74 94
From 75 to 84 29
85 and over 0
Less than 65 0

Conditions of Medicare patients treated by Dr. Tracey Gemmill Simon, MD in 2023

The most common conditions of Medicare patients that Dr. Tracey Gemmill Simon, MD treated during 2023 were high cholesterol, hypertension, depression and diabetes.

Hypertension 68
High Cholesterol 70
Stroke 7
Ischemic Heart Disease 32
Depression 32
Chronic Kidney Disease 24
Asthma 13
Osteoperosis 18
Atrial Fibrilation 18
Heart Failure 19
Chronic Obstructive Pulmonary Disease 11
Diabetes 32
Dementia 9
Cancer 19

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2019 - 2023

Volume of procedures performed by Dr. Tracey Gemmill Simon, MD for Medicare patients.

The highest averages for the top procedures that Dr. Tracey Gemmill Simon, MD treated as a gastroenterologist in Waltham, MA were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

diagnostic procedures 57
doctor visit 58
gastrointestinal procedures 69
hospital care 32
inpatient care 32
minimally invasive procedures 69
preventive care 13
removal of lesion (e.g. growth) 57

Average Medicare Patient Data From 2019 - 2023

Information about Medicare patients treated by Dr. Tracey Gemmill Simon, MD.

Gender
Male 67
Female 84
Ethnicity
Black / African American 0
Asian / Pacific Islander 0
Non-Hispanic White 125
Hispanic 6
Native American / Alaskan Native 0
Other 0
Age
75 to 84 22
85 and over 6
Less than 65 25
65 to 74 81

Average of Total of Conditions of Medicare patients treated by Dr. Tracey Gemmill Simon, MD From 2019 - 2023

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

Hypertension 68
High Cholesterol 60
Stroke 5
Ischemic Heart Disease 36
Depression 32
Chronic Kidney Disease 37
Asthma 13
Osteoporosis 15
Heart Failure 21
Chronic Obstructive Pulmonary Disease 13
Diabetes 35
Atrial Fibrillation 17
Dementia 12
Cancer 17

Education & Training

Dr. Tracey Gemmill Simon, MD graduated from Brown University, Alpert Medical School. She completed residency at Brigham and Women's Hospital. She is certified by the Internal Medicine, American Board of Internal Medicine and has a state license in Massachusetts.

Medical School: Brown University, Alpert Medical School

Residency: Brigham and Women's Hospital

Board Certification: Internal Medicine, American Board of Internal Medicine

Licensed In: Massachusetts

Affiliations & Hospitals

Dr. Tracey Gemmill Simon, MD is associated with these hospitals and organizations:

Massachusetts General Hospital
MASSACHUSETTS GENERAL PHYSICIANS ORGANIZATION INC

Insurance Information

Please note: Insurance information may change at any time, and the provider may accept your insurance plan even if it is not listed below. Please contact the provider's office to confirm that your insurance is accepted.

Dr. Tracey Gemmill Simon, MD appears to accept the following insurance providers: Harvard Pilgrim Health Care, MultiPlan, Tufts Health Plan, United Healthcare, Aetna, TRICARE, Medicare, Medicaid, Humana, Railroad Medicare, Coventry, Cigna, Blue California, Beech Street, WellPoint, Medicare ACO, WellSense, Senior Whole Health, Fallon Health, Commonwealth Care Alliance, Blue Cross Blue Shield Medicare, Maine Community Health Options, Mass General Brigham Health Plan, MassHealth and WellSense NH.

Insurance Accepted by Provider includes:

According to our sources, Dr. Tracey Gemmill Simon, MD accepts the following insurance providers:

Harvard Pilgrim Health Care
MultiPlan
Tufts Health Plan
United Healthcare
Aetna
TRICARE
Medicare
Medicaid
Humana
Railroad Medicare
Coventry
Cigna
Blue California
Beech Street
WellPoint
Medicare ACO
WellSense
Senior Whole Health
Fallon Health
Commonwealth Care Alliance
Blue Cross Blue Shield Medicare
Maine Community Health Options
Mass General Brigham Health Plan
MassHealth
WellSense NH

Ratings & Reviews

Dr. Tracey Gemmill Simon, MD has an exceptional overall rating with an average of 5.0 out of 5 stars based on 27 ratings. We collect ratings and reviews of Dr. Tracey Gemmill Simon, MD from all over the web to help you find the right in Waltham, MA. 

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Overall Rating
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Biography

Dr. Tracey Simon specializes in adult gastroenterology. She is rated highly by her patients. She is especially interested in hepatocellular carcinoma (HCC), cancer prevention, and abnormal liver function tests. Dr. Simon is affiliated with Massachusetts General Hospital. She most likely takes Blue California, Coventry, and Viant, as well as other insurance carriers. She attended medical school at Brown University, Alpert Medical School. Dr. Simon completed her residency training at Brigham and Women's Hospital.

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