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Dr. Jaime Alfredo Rivera, MD

Specializes in: Pediatric General Surgery, Trauma Surgery, Colon & Rectal Surgery, Surgical Oncology (Cancer Surgery) and Critical Care (Intensive Care Medicine)
Harvard Medical School
Professional interests include: laparoscopic surgery, diverticular disease, colonoscopy, and more.
81 Highland Avenue
Salem, MA 01923

Dr. Jaime Alfredo Rivera, MD is a pediatric general surgeon in Danvers, MA specializing in pediatric general surgery, trauma surgery, colon & rectal surgery, surgical oncology (cancer surgery) and critical care (intensive care medicine). He graduated from Harvard Medical School. Dr. Jaime Alfredo Rivera, MD is affiliated with Massachusetts General Hospital.

View Doctor's Full Profile (978) 741-1200

Office Locations

Massachusetts General Hospital

102-104 Endicott Street
Danvers, MA 01923
(978) 882-6868
open_in_new

Massachusetts General Hospital

81 Highland Avenue
Salem, MA 01923
(978) 741-1200
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Some issues Dr. Jaime Alfredo Rivera, MD can help you with:

Colonoscopy

Colonoscopy is the use of a special tool called a colonoscope (a thin, flexible tube with a camera on the end) to examine the inside of the colon and rectum. The tube is typically inserted anally, and it allows the physician to examine the large intestine from the inside. It may be done at any time to diagnose bowel problems, but routine colonoscopies are advised after the age of 50 to screen for colon cancer.

A colonoscopy may be performed to diagnose:

  • Intestinal ulcers
  • Polyps
  • Bowel cancer
  • An unidentified source of pain or bleeding in the intestine

Patients may be asked to drink only liquids in the days before a colonoscopy, or they may be given an enema to remove residual fecal matter. Before the exam, patients are given medication to help them relax, and then lay on their side on a table. The scope is inserted into the anus and gently moved all the way through the large intestine. Air may be pumped into the intestine to improve the view for the physician. Any polyps that are found will be removed. Then the colonoscope will be withdrawn. A colonoscopy is not usually painful, but patients may feel some bloating or have some cramps right afterward. If patients have polyps removed, they might experience a small amount of bleeding. Any side effects should go away within a few hours.

Gallbladder Removal Surgery (Cholecystectomy)

The gallbladder is a small, pear-shaped organ on the right side of the upper abdomen, underneath the liver. Its purpose is to store bile, which is used to digest fat. Occasionally, the gallbladder can develop mineral stones, called gallstones. If they are large enough, gallstones can block the ducts in the gallbladder and cause swelling and infection. Gallstones can be treated with lifestyle changes and medication, but sometimes this is not enough. In these cases, it is best to remove the gallbladder before it can cause more serious problems. The surgical removal of the gallbladder is called a cholecystectomy.

Today, most gallbladder surgeries are done laparoscopically. Four tiny incisions are made in the abdomen, and small tools are inserted through these tiny incisions to perform the surgery. Because the incisions are much smaller, recovery time is much faster with this type of surgery. Patients are usually discharged from the hospital the same day. Sometimes, open surgery is used to remove a gallbladder. In this type of surgery, a cut about six inches long is made in the upper right abdomen. After the gallbladder is removed, it is sutured or stapled closed. With open surgery, patients usually stay in the hospital for two to three days to recover before they are discharged.

Gallbladder removal, like any surgery, carries some risks, such as bleeding, infection, or the development of blood clots. Doctors will tell patients how to minimize their risk for complications. After surgery, patients are advised to avoid strenuous activity for several days. They should not soak in a bath until their sutures or staples have been removed. Patients should wash hands before touching the area around the incision. It will take a couple of days until patients feel like themselves again and a few weeks until their scar has healed and faded.

Laparoscopic Surgery

Laparoscopic surgery is a kind of minimally invasive surgery using a thin, narrow tube called a laparoscope. Usually performed on the abdomen or the pelvic region, the surgeon makes a few very small incisions instead of one large one.

During the procedure, the surgeon inserts the laparoscope, which contains a light and camera that allows the surgeon to see what is happening inside the body. Then tiny tools are placed through the small openings and used to perform the surgery.

The most common laparoscopic surgery is gallbladder removal, but laparoscopic surgery may also be used for the removal of a kidney or appendix, to treat certain cysts and tumors, for bariatric surgery, for some GERD treatments, or for hernia repairs, among others.

Because laparoscopic surgery only uses a few tiny incisions, the scars are minimal and recovery is easier than with open surgery.

Noteworthy Medicare Patient Procedures Performed by Dr. Jaime Alfredo Rivera, MD in 2023

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

Top 5%

By Volume:

colonoscopy
minimally invasive procedures
preventive care
screening colonoscopy

By Affordability:

hospital care
inpatient care
inpatient hospital care

In 2023, among providers in related specialties within Massachusetts, Dr. Jaime Alfredo Rivera, MD performed more colonoscopy, minimally invasive procedures, preventive care, and screening colonoscopy procedures for Medicare patients than 95% of them and he also had a list price for hospital care, inpatient care, and inpatient hospital care (for patient admitted to hospital) that was lower than the list prices billed to Medicare by 95% 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.

Top 25%

By Volume:

gastrointestinal procedures

In 2012, Dr. Jaime Alfredo Rivera, MD performed more gastrointestinal procedures 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. Jaime Alfredo Rivera, MD treated as a pediatric general surgeon in Danvers, MA during 2012 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Jaime Alfredo Rivera, MD for Medicare patients.

diagnostic procedures 15
doctor visit 192
emergency care 17
gastrointestinal procedures 35
hospital care 98
inpatient care 98
minimally invasive procedures 35
preventive care 20
removal of lesion (e.g. growth) 15

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Jaime Alfredo Rivera, MD treated as a pediatric general surgeon in Danvers, MA during 2013 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Jaime Alfredo Rivera, MD for Medicare patients.

diagnostic procedures 27
doctor visit 175
emergency care 30
gastrointestinal procedures 53
hospital care 130
inpatient care 130
minimally invasive procedures 53
preventive care 26
removal of lesion (e.g. growth) 27

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Jaime Alfredo Rivera, MD.

Gender
Male 101
Female 150
Ethnicity
Non-Hispanic White 202
Black 0
Hispanic 36
Asian 0
Other 0
Native American 0
Age
From 65 to 74 102
From 75 to 84 48
85 and over 34
Less than 65 67

Conditions of Medicare patients treated by Dr. Jaime Alfredo Rivera, MD in 2013

Hypertension 72
High Cholesterol 63
Stroke 0
Ischemic Heart Disease 38
Depression 39
Chronic Kidney Disease 26
Asthma 16
Osteoperosis 12
Atrial Fibrilation 16
Heart Failure 23
Chronic Obstructive Pulmonary Disease 16
Diabetes 34
Dementia 7
Cancer 19

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Jaime Alfredo Rivera, MD treated as a pediatric general surgeon in Danvers, MA during 2014 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Jaime Alfredo Rivera, MD for Medicare patients.

diagnostic procedures 31
doctor visit 147
emergency care 15
gastrointestinal procedures 86
hospital care 93
inpatient care 93
minimally invasive procedures 86
preventive care 55
removal of lesion (e.g. growth) 31

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Jaime Alfredo Rivera, MD.

Gender
Male 115
Female 137
Ethnicity
Non-Hispanic White 210
Black 0
Hispanic 31
Asian 0
Other 0
Native American 0
Age
From 65 to 74 99
From 75 to 84 53
85 and over 38
Less than 65 62

Conditions of Medicare patients treated by Dr. Jaime Alfredo Rivera, MD in 2014

Hypertension 68
High Cholesterol 56
Stroke 0
Ischemic Heart Disease 31
Depression 38
Chronic Kidney Disease 30
Asthma 13
Osteoperosis 12
Atrial Fibrilation 16
Heart Failure 18
Chronic Obstructive Pulmonary Disease 13
Diabetes 30
Dementia 9
Cancer 17

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Jaime Alfredo Rivera, MD treated as a pediatric general surgeon in Danvers, MA during 2015 were hospital care, inpatient care, debridement (removal of unhealthy tissue) and excision.

Volume of procedures performed by Dr. Jaime Alfredo Rivera, MD for Medicare patients.

debridement (removal of unhealthy tissue) 81
diagnostic procedures 20
doctor visit 207
excision 81
gastrointestinal procedures 35
hospital care 91
inpatient care 91
minimally invasive procedures 35
preventive care 15
removal of lesion (e.g. growth) 20

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Jaime Alfredo Rivera, MD.

Gender
Male 226
Female 322
Ethnicity
Non-Hispanic White 468
Black 0
Hispanic 56
Asian 0
Other 0
Native American 0
Age
From 65 to 74 192
From 75 to 84 126
85 and over 88
Less than 65 142

Conditions of Medicare patients treated by Dr. Jaime Alfredo Rivera, MD in 2015

Hypertension 70
High Cholesterol 62
Stroke 0
Ischemic Heart Disease 34
Depression 37
Chronic Kidney Disease 38
Asthma 16
Osteoperosis 12
Atrial Fibrilation 18
Heart Failure 24
Chronic Obstructive Pulmonary Disease 15
Diabetes 38
Dementia 10
Cancer 17

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Jaime Alfredo Rivera, MD treated as a pediatric general surgeon in Danvers, MA during 2016 were hospital care, inpatient care, debridement (removal of unhealthy tissue) and excision.

Volume of procedures performed by Dr. Jaime Alfredo Rivera, MD for Medicare patients.

debridement (removal of unhealthy tissue) 105
diagnostic procedures 20
doctor visit 142
excision 105
gastrointestinal procedures 31
hospital care 161
inpatient care 161
minimally invasive procedures 31
preventive care 11
removal of lesion (e.g. growth) 20

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Jaime Alfredo Rivera, MD.

Gender
Male 128
Female 155
Ethnicity
Non-Hispanic White 241
Black 0
Hispanic 24
Asian 0
Other 0
Native American 0
Age
From 65 to 74 105
From 75 to 84 71
85 and over 42
Less than 65 65

Conditions of Medicare patients treated by Dr. Jaime Alfredo Rivera, MD in 2016

Hypertension 71
High Cholesterol 60
Stroke 5
Ischemic Heart Disease 35
Depression 36
Chronic Kidney Disease 39
Asthma 26
Osteoperosis 10
Atrial Fibrilation 16
Heart Failure 22
Chronic Obstructive Pulmonary Disease 16
Diabetes 33
Dementia 16
Cancer 17

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Jaime Alfredo Rivera, MD treated as a pediatric general surgeon in Danvers, MA during 2017 were hospital care, inpatient care, debridement (removal of unhealthy tissue) and excision.

Volume of procedures performed by Dr. Jaime Alfredo Rivera, MD for Medicare patients.

debridement (removal of unhealthy tissue) 127
diagnostic procedures 12
doctor visit 112
excision 127
gastrointestinal procedures 12
hospital care 137
inpatient care 137
minimally invasive procedures 12
removal of lesion (e.g. growth) 12

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Jaime Alfredo Rivera, MD.

Gender
Male 108
Female 149
Ethnicity
Non-Hispanic White 216
Black 0
Hispanic 24
Asian 0
Other 0
Native American 0
Age
From 65 to 74 75
From 75 to 84 66
85 and over 42
Less than 65 74

Conditions of Medicare patients treated by Dr. Jaime Alfredo Rivera, MD in 2017

Hypertension 75
High Cholesterol 51
Stroke 5
Ischemic Heart Disease 40
Depression 42
Chronic Kidney Disease 49
Asthma 14
Osteoperosis 15
Atrial Fibrilation 20
Heart Failure 33
Chronic Obstructive Pulmonary Disease 25
Diabetes 36
Dementia 18
Cancer 13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Jaime Alfredo Rivera, MD treated as a pediatric general surgeon in Danvers, MA during 2018 were debridement (removal of unhealthy tissue), excision, hospital care and inpatient care.

Volume of procedures performed by Dr. Jaime Alfredo Rivera, MD for Medicare patients.

debridement (removal of unhealthy tissue) 184
diagnostic procedures 27
doctor visit 177
excision 184
gastrointestinal procedures 40
hospital care 136
inpatient care 136
minimally invasive procedures 40
preventive care 13
removal of lesion (e.g. growth) 27

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Jaime Alfredo Rivera, MD.

Gender
Male 154
Female 177
Ethnicity
Non-Hispanic White 285
Black 0
Hispanic 30
Asian 0
Other 0
Native American 0
Age
From 65 to 74 126
From 75 to 84 88
85 and over 34
Less than 65 83

Conditions of Medicare patients treated by Dr. Jaime Alfredo Rivera, MD in 2018

Hypertension 73
High Cholesterol 64
Stroke 0
Ischemic Heart Disease 38
Depression 37
Chronic Kidney Disease 41
Asthma 16
Osteoperosis 10
Atrial Fibrilation 20
Heart Failure 24
Chronic Obstructive Pulmonary Disease 20
Diabetes 40
Dementia 15
Cancer 12

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Jaime Alfredo Rivera, MD treated as a pediatric general surgeon in Danvers, MA during 2019 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Jaime Alfredo Rivera, MD for Medicare patients.

diagnostic procedures 16
doctor visit 112
gastrointestinal procedures 30
hospital care 97
inpatient care 97
minimally invasive procedures 30
preventive care 14
removal of lesion (e.g. growth) 16

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Jaime Alfredo Rivera, MD.

Gender
Male 96
Female 123
Ethnicity
Non-Hispanic White 184
Black 0
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 99
From 75 to 84 47
85 and over 24
Less than 65 49

Conditions of Medicare patients treated by Dr. Jaime Alfredo Rivera, MD in 2019

Hypertension 72
High Cholesterol 69
Stroke 0
Ischemic Heart Disease 33
Depression 38
Chronic Kidney Disease 41
Asthma 11
Osteoperosis 15
Atrial Fibrilation 14
Heart Failure 16
Chronic Obstructive Pulmonary Disease 17
Diabetes 35
Dementia 11
Cancer 15

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Jaime Alfredo Rivera, MD treated as a pediatric general surgeon in Danvers, MA during 2020 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Jaime Alfredo Rivera, MD for Medicare patients.

diagnostic procedures 14
doctor visit 64
gastrointestinal procedures 27
hospital care 108
inpatient care 108
minimally invasive procedures 27
preventive care 13
removal of lesion (e.g. growth) 14

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Jaime Alfredo Rivera, MD.

Gender
Male 95
Female 98
Ethnicity
Non-Hispanic White 168
Black 0
Hispanic 14
Asian 0
Other 0
Native American 0
Age
From 65 to 74 66
From 75 to 84 44
85 and over 36
Less than 65 47

Conditions of Medicare patients treated by Dr. Jaime Alfredo Rivera, MD in 2020

Hypertension 72
High Cholesterol 58
Stroke 8
Ischemic Heart Disease 39
Depression 35
Chronic Kidney Disease 40
Asthma 13
Osteoperosis 7
Atrial Fibrilation 21
Heart Failure 21
Chronic Obstructive Pulmonary Disease 18
Diabetes 30
Dementia 14
Cancer 15

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Jaime Alfredo Rivera, MD treated as a pediatric general surgeon in Danvers, MA during 2021 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Jaime Alfredo Rivera, MD for Medicare patients.

diagnostic procedures 17
doctor visit 121
gastrointestinal procedures 34
hospital care 53
inpatient care 53
minimally invasive procedures 34
preventive care 17
removal of lesion (e.g. growth) 17

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Jaime Alfredo Rivera, MD.

Gender
Male 94
Female 138
Ethnicity
Non-Hispanic White 196
Black 0
Hispanic 17
Asian 0
Other 0
Native American 0
Age
From 65 to 74 109
From 75 to 84 51
85 and over 23
Less than 65 49

Conditions of Medicare patients treated by Dr. Jaime Alfredo Rivera, MD in 2021

Hypertension 70
High Cholesterol 60
Stroke 5
Ischemic Heart Disease 32
Depression 36
Chronic Kidney Disease 31
Asthma 15
Osteoperosis 13
Atrial Fibrilation 13
Heart Failure 13
Chronic Obstructive Pulmonary Disease 16
Diabetes 32
Dementia 10
Cancer 13

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Jaime Alfredo Rivera, MD treated as a pediatric general surgeon in Danvers, MA during 2022 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Jaime Alfredo Rivera, MD for Medicare patients.

diagnostic procedures 19
doctor visit 128
gastrointestinal procedures 30
hospital care 41
inpatient care 41
minimally invasive procedures 30
preventive care 11
removal of lesion (e.g. growth) 19

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Jaime Alfredo Rivera, MD.

Gender
Male 126
Female 113
Ethnicity
Non-Hispanic White 200
Black 0
Hispanic 17
Asian 0
Other 0
Native American 0
Age
From 65 to 74 108
From 75 to 84 65
85 and over 19
Less than 65 47

Conditions of Medicare patients treated by Dr. Jaime Alfredo Rivera, MD in 2022

Hypertension 73
High Cholesterol 75
Stroke 8
Ischemic Heart Disease 24
Depression 31
Chronic Kidney Disease 25
Asthma 14
Osteoperosis 10
Atrial Fibrilation 16
Heart Failure 14
Chronic Obstructive Pulmonary Disease 15
Diabetes 28
Dementia 8
Cancer 17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Jaime Alfredo Rivera, MD for Medicare patients.

The highest averages for the top procedures that Dr. Jaime Alfredo Rivera, MD treated as a pediatric general surgeon in Danvers, MA were debridement (removal of unhealthy tissue), excision, hospital care and inpatient care.

debridement (removal of unhealthy tissue) 124
diagnostic procedures 19
doctor visit 143
emergency care 20
excision 124
gastrointestinal procedures 37
hospital care 104
inpatient care 104
minimally invasive procedures 37
preventive care 19
removal of lesion (e.g. growth) 19

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Jaime Alfredo Rivera, MD.

Gender
Female 142
Male 113
Ethnicity
Black / African American 0
Asian / Pacific Islander 0
Non-Hispanic White 215
Hispanic 22
Native American / Alaskan Native 0
Other 0
Age
85 and over 34
75 to 84 59
Less than 65 62
65 to 74 98

Average of Total of Conditions of Medicare patients treated by Dr. Jaime Alfredo Rivera, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Jaime Alfredo Rivera, MD treated were hypertension, high cholesterol, chronic kidney disease and depression.

Hypertension 65
High Cholesterol 56
Stroke 2
Ischemic Heart Disease 31
Depression 33
Chronic Kidney Disease 32
Asthma 14
Osteoporosis 10
Heart Failure 18
Chronic Obstructive Pulmonary Disease 15
Diabetes 30
Atrial Fibrillation 15
Dementia 10
Cancer 14

Education & Training

Dr. Jaime Alfredo Rivera, MD graduated from Harvard Medical School. He completed residency at Massachusetts General Hospital. He has a state license in Massachusetts.

Medical School: Harvard Medical School

Residency: Massachusetts General Hospital

Licensed In: Massachusetts

Affiliations & Hospitals

Dr. Jaime Alfredo Rivera, MD is associated with these hospitals and organizations:

Massachusetts General Hospital

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. Jaime Alfredo Rivera, MD appears to accept the following insurance providers: Harvard Pilgrim Health Care, MultiPlan, United Healthcare, Tufts Health Plan, 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. Jaime Alfredo Rivera, MD accepts the following insurance providers:

Harvard Pilgrim Health Care
MultiPlan
United Healthcare
Tufts Health Plan
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. Jaime Alfredo Rivera, MD has an exceptional overall rating with an average of 5.0 out of 5 stars based on 50 ratings. We collect ratings and reviews of Dr. Jaime Alfredo Rivera, MD from all over the web to help you find the right in Danvers, MA. 

5
Overall Rating
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General Payments

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

Payments by Company
Intuitive Surgical, Inc. $7,911 Da Vinci Surgical System
$7,911
Covidien Sales LLC $1,337 Access
$994 		Endo Stapling
$327 		ReliaTack
$17
Ethicon Inc. $882 Endoscopy# Endocutters
$882
Medtronic, Inc. $548 LigaSure
$443 		Signia
$104
Covidien LP $307 EEA
$131 		Endo GIA
$100 		Endo Stapling
$77
Other $308 LINZESS
$157 		SEAMGUARD Bioabsorbable Staple
$139 		Wound Matrix
$12
Types of Payments
Education $7,000
Travel and Lodging $2,517
Food and Beverage $1,730
Gift $45

Biography

Dr. Jaime Rivera is a specialist in surgical oncology (cancer surgery), trauma surgery, and colon & rectal surgery. Patients gave him an average rating of 5.0 stars (out of 5). His areas of expertise include diverticular disease, gallbladder removal surgery (cholecystectomy), and colon cancer. Dr. Rivera is affiliated with Massachusetts General Hospital. Dr. Rivera appears to be in-network for Blue California, Coventry, and Viant, in addition to other insurance carriers. He studied medicine at Harvard Medical School. He trained at Massachusetts General Hospital for residency. He is conversant in Spanish.

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