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Dr. Mary J. Borses, MD

Accepting New Patients

(Dr. Mary Borses, M.D.)

(381 Ratings)

Specializes in: Adult Cardiology

Uniformed Services University of the Health Sciences, F. Edward Hébert School of Medicine (1992)

Professional interests include: peripheral vascular disease, enlarged heart (cardiomegaly), bicuspid aortic valve disease, and more.

141 Lynch Creek Way Suite C
Petaluma, CA 94954

(707) 790-8000

Dr. Mary J. Borses, MD is a cardiologist in Petaluma, CA specializing in adult cardiology. She graduated from Uniformed Services University of the Health Sciences, F. Edward Hébert School of Medicine in 1992 and has 34 years of experience. Dr. Mary J. Borses, MD is affiliated with Providence and Providence Medical Foundation.

Office Locations

141 Lynch Creek Way Suite C
Petaluma, CA 94954

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Some issues Dr. Mary J. Borses, MD can help you with:

Angioplasty

Angioplasty is a common, minimally invasive procedure performed to restore blood flow in arteries and veins that have become narrowed or blocked. Age or illness can cause plaque to build up at certain spots within the veins and arteries, and if enough collects, it can restrict the flow of blood. Angioplasty uses a tiny balloon at the end of a small, flexible tube to inflate within the narrowed section and open it up again.

Angioplasty may be performed in several different areas of the body and for a variety of reasons, most often:

Peripheral arterial disease, which reduces blood flow in the arms or legs
Atherosclerosis, or general hardening of the arteries
Carotid artery stenosis, or narrowing of the arteries in the neck that supply the brain
Coronary artery disease, or narrowing of the arteries near the heart
Renal vascular hypertension, or narrowing of the arteries in the kidney, leading to increased blood pressure

During angioplasty, a patient is given a sedative while lying on a table under an x-ray machine. A catheter (a thin, flexible, and hollow tube) is inserted into the patient's skin in the arm or groin and guided into the blocked artery. Dye is injected via the catheter, and x-rays are used to position the tip of the catheter exactly at the blockage. The tiny balloon is guided through the catheter and inflated with saline. It pushes the plaque out of the way, squishing it against the walls of the artery. The balloon may be inflated and deflated several times to let blood pass by. A stent, a tiny tube of metal mesh like a spring, may be inserted to help keep the artery open. Then the x-ray is used again to check that blood is flowing properly, the catheter is removed, and the tiny incision is bandaged.

There are no nerves within veins and arteries, so an angioplasty is generally not painful. However, there may be some discomfort at the site of the incision and when the balloon is inflated. Overall, angioplasty is a very effective and low-risk procedure, useful for helping patients avoid more difficult bypass surgery.

Heart Attack

A heart attack is a serious medical event that happens when the blood supplying oxygen to the heart is cut off, usually because of a blockage in an artery. This results in damage or death of part of the heart muscle. The heart can heal, but like any part of the body that was injured it leaves a scar. This scar tissue does not contract effectively, so the ability of the heart to pump is lowered after a heart attack.

A heart attack, sometimes called a myocardial infarction, can happen without warning. However there are certain factors that raise the risk of heart attack. Some of these are:

Age
Gender (most heart attack sufferers are male)
A family history of heart attacks
Smoking
Obesity
High cholesterol
High blood pressure
Diabetes
Unhealthy lifestyle choices (lack of exercise, poor diet, too much alcohol or stress)

Heart attacks typically feel like pain or pressure in the chest that can radiate out to the back, arm, or jaw. Some other symptoms can include fatigue or weakness, shortness of breath, sweating, and nausea.

Treatment aims to increase blood flow to the heart muscle by opening up blocked blood vessels. Medications are sometimes used to dissolve clots in the arteries. Aspirin and other medications such as Plavix can thin the blood and make clots less likely to form. Dilators can widen blood vessels to make room for more blood to flow. Doctors can also use a procedure called catheterization to look at the blood vessels around the heart directly, place stents, or widen vessels using angioplasty. In extreme cases bypass surgery can be used to help blood flow better. After recovery, it is important to lead a healthy lifestyle and take any prescribed medications in order to protect the heart.

Heart Problems

The heart is one of the most important organs in the body. This smooth muscle expands and contracts rhythmically an entire lifetime, pumping blood to the lungs and then to every other cell in the body. When heart problems occur, it becomes difficult for the body to get the nutrients and oxygen it needs via the blood. So while there are a variety of illnesses and disorders that affect the heart, most of them cause weakness, exhaustion and shortness of breath. The most common heart conditions include heart disease, angina, arrhythmia, and valve disorders.

Heart disease is the leading cause of death in the United States for both men and women. This includes coronary artery disease, heart attacks, congestive heart failure, and congenital heart disease. Some conditions, such as genetics, cannot be controlled. But there are many other things one can do to lower their risk for heart disease. Controlling high blood pressure and cholesterol levels, reducing or stopping smoking, exercising more and losing weight if needed, and eating a diet low in sodium can all protect the heart.

Angina is a squeezing type of chest pain that happens when the muscles around the heart don't get enough oxygen. It can be regular or infrequent. Usually, angina is caused by coronary heart disease. However, not all chest pain is angina. Chest pain can also be caused by a lung infection or panic attack, for example, so it is important to have any sudden pain checked.

Arrhythmia is the word for when the heart beats too fast, too slow, or irregularly with skipped beats. It can feel frightening, and depending on the type it can be dangerous, but in most cases arrhythmia is not serious and can be treated. It is very common, especially in older adults.

Heart valve problems can happen in any one of the the heart's four valves that keep blood flowing where it needs to go. Babies can be born with problems in their heart valves, or valves can be damaged by infections. The valves can stiffen and become less mobile, or they can stop closing properly and 'leak' when the heart beats. Valve problems can usually be repaired surgically.

Noteworthy Medicare Patient Procedures Performed by Dr. Mary J. Borses, MD in 2023

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

Top 25%

By Volume:

prothrombin time test

In 2012, Dr. Mary J. Borses, MD performed more prothrombin time (PT) test procedures for Medicare patients than 75% of providers in related specialties within California.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Mary J. Borses, MD treated as a cardiologist in Petaluma, CA during 2012 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. Mary J. Borses, MD for Medicare patients.

ambulatory monitoring	36
cardiac procedures	372
doctor visit	335
hospital care	112
inpatient care	112
lab tests	68
minimally invasive procedures	13
stress testing	65
ultrasound (sonogram)	271

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Mary J. Borses, MD treated as a cardiologist in Petaluma, CA during 2013 were cardiac procedures, ultrasound (sonogram), lab tests and stress testing.

Volume of procedures performed by Dr. Mary J. Borses, MD for Medicare patients.

ambulatory monitoring	25
cardiac procedures	387
doctor visit	452
hospital care	33
inpatient care	33
lab tests	119
stress testing	105
ultrasound (sonogram)	276

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary J. Borses, MD.

**Gender**
Male	161
Female	250

**Ethnicity**
Non-Hispanic White	325
Black	20
Hispanic	48
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	166
From 75 to 84	119
85 and over	66
Less than 65	60

Conditions of Medicare patients treated by Dr. Mary J. Borses, MD in 2013

Hypertension	75
High Cholesterol	69
Stroke	15
Ischemic Heart Disease	54
Depression	33
Chronic Kidney Disease	34
Asthma	13
Osteoperosis	8
Atrial Fibrilation	27
Heart Failure	38
Chronic Obstructive Pulmonary Disease	24
Diabetes	39
Dementia	18
Cancer	13

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Mary J. Borses, MD treated as a cardiologist in Petaluma, CA during 2014 were ultrasound (sonogram) and cardiac procedures.

Volume of procedures performed by Dr. Mary J. Borses, MD for Medicare patients.

cardiac procedures	45
doctor visit	185
ultrasound (sonogram)	45

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary J. Borses, MD.

**Gender**
Male	45
Female	77

**Ethnicity**
Non-Hispanic White	98
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	58
From 75 to 84	38
85 and over	14
Less than 65	12

Conditions of Medicare patients treated by Dr. Mary J. Borses, MD in 2014

Hypertension	75
High Cholesterol	66
Stroke	10
Ischemic Heart Disease	55
Depression	31
Chronic Kidney Disease	35
Asthma	14
Osteoperosis	9
Atrial Fibrilation	34
Heart Failure	39
Chronic Obstructive Pulmonary Disease	26
Diabetes	42
Dementia	17
Cancer	13

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Mary J. Borses, MD treated as a cardiologist in Petaluma, CA during 2015 were lab tests, cardiac procedures, ultrasound (sonogram) and hospital care.

Volume of procedures performed by Dr. Mary J. Borses, MD for Medicare patients.

cardiac procedures	384
doctor visit	838
hospital care	97
inpatient care	97
lab tests	592
stress testing	88
ultrasound (sonogram)	296

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary J. Borses, MD.

**Gender**
Male	1124
Female	1166

**Ethnicity**
Non-Hispanic White	1846
Black	102
Hispanic	164
Asian	104
Other	0
Native American	0

**Age**
From 65 to 74	736
From 75 to 84	828
85 and over	602
Less than 65	124

Conditions of Medicare patients treated by Dr. Mary J. Borses, MD in 2015

Hypertension	75
High Cholesterol	73
Stroke	11
Ischemic Heart Disease	56
Depression	22
Chronic Kidney Disease	34
Asthma	18
Osteoperosis	12
Atrial Fibrilation	44
Heart Failure	33
Chronic Obstructive Pulmonary Disease	23
Diabetes	32
Dementia	15
Cancer	16

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Mary J. Borses, MD treated as a cardiologist in Petaluma, CA during 2016 were lab tests, cardiac procedures, ultrasound (sonogram) and stress testing.

Volume of procedures performed by Dr. Mary J. Borses, MD for Medicare patients.

cardiac procedures	741
doctor visit	1166
hospital care	214
inpatient care	214
lab tests	972
nuclear scan	81
stress testing	262
ultrasound (sonogram)	490

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary J. Borses, MD.

**Gender**
Male	1000
Female	1041

**Ethnicity**
Non-Hispanic White	1647
Black	89
Hispanic	132
Asian	111
Other	0
Native American	0

**Age**
From 65 to 74	662
From 75 to 84	707
85 and over	547
Less than 65	125

Conditions of Medicare patients treated by Dr. Mary J. Borses, MD in 2016

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	59
Depression	21
Chronic Kidney Disease	36
Asthma	25
Osteoperosis	11
Atrial Fibrilation	38
Heart Failure	31
Chronic Obstructive Pulmonary Disease	22
Diabetes	32
Dementia	17
Cancer	15

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Mary J. Borses, MD treated as a cardiologist in Petaluma, CA during 2017 were lab tests, cardiac procedures, ultrasound (sonogram) and stress testing.

Volume of procedures performed by Dr. Mary J. Borses, MD for Medicare patients.

cardiac procedures	784
cardioversion	12
doctor visit	1111
hospital care	239
inpatient care	239
lab tests	837
nuclear scan	113
stress testing	303
ultrasound (sonogram)	494

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary J. Borses, MD.

**Gender**
Male	980
Female	1021

**Ethnicity**
Non-Hispanic White	1576
Black	96
Hispanic	128
Asian	132
Other	0
Native American	0

**Age**
From 65 to 74	707
From 75 to 84	650
85 and over	530
Less than 65	114

Conditions of Medicare patients treated by Dr. Mary J. Borses, MD in 2017

Hypertension	75
High Cholesterol	67
Stroke	9
Ischemic Heart Disease	58
Depression	24
Chronic Kidney Disease	36
Asthma	9
Osteoperosis	10
Atrial Fibrilation	35
Heart Failure	30
Chronic Obstructive Pulmonary Disease	22
Diabetes	31
Dementia	19
Cancer	16

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Mary J. Borses, MD treated as a cardiologist in Petaluma, CA during 2018 were cardiac procedures, lab tests, ultrasound (sonogram) and stress testing.

Volume of procedures performed by Dr. Mary J. Borses, MD for Medicare patients.

cardiac procedures	526
doctor visit	791
hospital care	190
inpatient care	190
lab tests	462
nuclear scan	65
stress testing	206
ultrasound (sonogram)	320

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary J. Borses, MD.

**Gender**
Male	546
Female	633

**Ethnicity**
Non-Hispanic White	908
Black	51
Hispanic	96
Asian	79
Other	0
Native American	0

**Age**
From 65 to 74	384
From 75 to 84	426
85 and over	300
Less than 65	69

Conditions of Medicare patients treated by Dr. Mary J. Borses, MD in 2018

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	62
Depression	20
Chronic Kidney Disease	37
Asthma	9
Osteoperosis	11
Atrial Fibrilation	40
Heart Failure	35
Chronic Obstructive Pulmonary Disease	21
Diabetes	32
Dementia	17
Cancer	15

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Mary J. Borses, MD treated as a cardiologist in Petaluma, CA during 2019 were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. Mary J. Borses, MD for Medicare patients.

blood draw	15
cardiac procedures	101
doctor visit	322
hospital care	669
inpatient care	658
outpatient care	11
stress testing	12
ultrasound (sonogram)	89

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary J. Borses, MD.

**Gender**
Male	109
Female	125

**Ethnicity**
Non-Hispanic White	104
Black	0
Hispanic	51
Asian	52
Other	0
Native American	0

**Age**
From 65 to 74	63
From 75 to 84	95
85 and over	64
Less than 65	12

Conditions of Medicare patients treated by Dr. Mary J. Borses, MD in 2019

Hypertension	75
High Cholesterol	75
Stroke	24
Ischemic Heart Disease	75
Depression	21
Chronic Kidney Disease	66
Asthma	13
Osteoperosis	13
Atrial Fibrilation	41
Heart Failure	65
Chronic Obstructive Pulmonary Disease	32
Diabetes	58
Dementia	27
Cancer	10

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Mary J. Borses, MD treated as a cardiologist in Petaluma, CA during 2020 were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. Mary J. Borses, MD for Medicare patients.

blood draw	12
cardiac procedures	113
doctor visit	213
hospital care	569
inpatient care	569
nuclear scan	11
stress testing	11
ultrasound (sonogram)	102

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary J. Borses, MD.

**Gender**
Male	109
Female	115

**Ethnicity**
Non-Hispanic White	100
Black	12
Hispanic	44
Asian	53
Other	15
Native American	0

**Age**
From 65 to 74	73
From 75 to 84	70
85 and over	68
Less than 65	13

Conditions of Medicare patients treated by Dr. Mary J. Borses, MD in 2020

Hypertension	75
High Cholesterol	75
Stroke	19
Ischemic Heart Disease	75
Depression	23
Chronic Kidney Disease	61
Asthma	15
Osteoperosis	13
Atrial Fibrilation	49
Heart Failure	67
Chronic Obstructive Pulmonary Disease	26
Diabetes	52
Dementia	24
Cancer	13

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Mary J. Borses, MD treated as a cardiologist in Petaluma, CA during 2021 were ultrasound (sonogram), cardiac procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Mary J. Borses, MD for Medicare patients.

cardiac procedures	355
doctor visit	683
hospital care	209
inpatient care	209
ultrasound (sonogram)	355

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary J. Borses, MD.

**Gender**
Male	302
Female	410

**Ethnicity**
Non-Hispanic White	592
Black	0
Hispanic	47
Asian	26
Other	20
Native American	0

**Age**
From 65 to 74	252
From 75 to 84	249
85 and over	156
Less than 65	55

Conditions of Medicare patients treated by Dr. Mary J. Borses, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	14
Ischemic Heart Disease	65
Depression	33
Chronic Kidney Disease	47
Asthma	13
Osteoperosis	15
Atrial Fibrilation	32
Heart Failure	52
Chronic Obstructive Pulmonary Disease	25
Diabetes	34
Dementia	24
Cancer	13

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Mary J. Borses, MD treated as a cardiologist in Petaluma, CA during 2022 were ultrasound (sonogram), cardiac procedures, lab tests and hospital care.

Volume of procedures performed by Dr. Mary J. Borses, MD for Medicare patients.

cardiac procedures	318
doctor visit	1338
hospital care	57
inpatient care	57
lab tests	167
ultrasound (sonogram)	318

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary J. Borses, MD.

**Gender**
Male	444
Female	578

**Ethnicity**
Non-Hispanic White	879
Black	0
Hispanic	77
Asian	22
Other	28
Native American	0

**Age**
From 65 to 74	326
From 75 to 84	380
85 and over	237
Less than 65	79

Conditions of Medicare patients treated by Dr. Mary J. Borses, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	17
Ischemic Heart Disease	44
Depression	32
Chronic Kidney Disease	35
Asthma	13
Osteoperosis	18
Atrial Fibrilation	37
Heart Failure	35
Chronic Obstructive Pulmonary Disease	29
Diabetes	32
Dementia	16
Cancer	16

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Mary J. Borses, MD for Medicare patients.

The highest averages for the top procedures that Dr. Mary J. Borses, MD treated as a cardiologist in Petaluma, CA were lab tests, cardiac procedures, ultrasound (sonogram) and hospital care.

ambulatory monitoring	30
blood draw	13
cardiac procedures	375
cardioversion	12
doctor visit	675
hospital care	238
inpatient care	237
lab tests	459
minimally invasive procedures	13
nuclear scan	67
outpatient care	11
stress testing	131
ultrasound (sonogram)	277

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Mary J. Borses, MD.

**Gender**
Male	438
Female	492

**Ethnicity**
Black / African American	33
Asian / Pacific Islander	52
Non-Hispanic White	734
Hispanic	71
Native American / Alaskan Native	0
Other	5

**Age**
75 to 84	323
85 and over	234
Less than 65	60
65 to 74	311

Average of Total of Conditions of Medicare patients treated by Dr. Mary J. Borses, MD From 2012 - 2022

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

Hypertension	68
High Cholesterol	65
Stroke	12
Ischemic Heart Disease	54
Depression	23
Chronic Kidney Disease	38
Asthma	12
Osteoporosis	10
Heart Failure	38
Chronic Obstructive Pulmonary Disease	22
Diabetes	34
Atrial Fibrillation	34
Cancer	12
Dementia	17

Education & Training

Dr. Mary J. Borses, MD graduated from Uniformed Services University of the Health Sciences, F. Edward Hébert School of Medicine in 1992. She completed residency at Tripler Army Medical Center. She is certified by the American Board of Internal Medicine, Cardiovascular Disease and has a state license in California.

Medical School: Uniformed Services University of the Health Sciences, F. Edward Hébert School of Medicine (1992)

Residency: Tripler Army Medical Center

Board Certification: American Board of Internal Medicine, Cardiovascular Disease

Licensed In: California

Affiliations & Hospitals

Dr. Mary J. Borses, MD is associated with these hospitals and organizations:

Providence

Providence Medical Foundation

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. Mary J. Borses, MD appears to accept the following insurance providers: Aetna PPO, CIGNA PPO, CIGNA HMO, Western Health Advantage HMO, Blue Shield of California, MultiPlan PPO, Medicare Advantage, HealthSmart, Interplan PPO, TriWest, Anthem Blue Cross HMO, Anthem Blue Cross PPO, Health Net PPO, Health Net HMO, Anthem, Coventry PPO, United Healthcare PPO, United Healthcare HMO, US Family Health Plan, Aetna Medicare PPO, Partnership Health Plan of California and CoventryFirst Health PPO.

Insurance Accepted by Provider includes:

According to our sources, Dr. Mary J. Borses, MD accepts the following insurance providers:

Aetna PPO

CIGNA PPO

CIGNA HMO

Western Health Advantage HMO

Blue Shield of California

MultiPlan PPO

Medicare Advantage

HealthSmart

Interplan PPO

TriWest

Anthem Blue Cross HMO

Anthem Blue Cross PPO

Health Net PPO

Health Net HMO

Anthem

Coventry PPO

United Healthcare PPO

United Healthcare HMO

US Family Health Plan

Aetna Medicare PPO

Partnership Health Plan of California

CoventryFirst Health PPO

Ratings & Reviews

Dr. Mary J. Borses, MD has an exceptional overall rating with an average of 4.93 out of 5 stars based on 381 ratings. We collect ratings and reviews of Dr. Mary J. Borses, MD from all over the web to help you find the right in Petaluma, CA.

4.93

Overall Rating

(381 Ratings)

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General Payments

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

**Payments by Company**
Boston Scientific Corporation	$1,929 WATCHMAN $1,791	WATCHMAN Access System $101	WATCHMAN FLX $22	GENERAL - THERAPIES $14
Novartis Pharmaceuticals Corporation	$435 ENTRESTO $284	LEQVIO $151
Abbott Laboratories	$423 MitraClip $316	Occluders $91	CardioMEMS HF System $15
Amgen Inc.	$304 Repatha $304
Janssen Pharmaceuticals, Inc	$292 XARELTO $238	INVOKANA $35	BOSENTAN TABLETS $13	OPSUMIT $5
Other	$1,917 LifeVest $262	NEXLETOL $225	OPSUMIT $147	ELIQUIS $120	Pacemakers $119	Other $1,043

**Types of Payments**
Food and Beverage	$4,505
Travel and Lodging	$704
Debt forgiveness	$90

Biography

Dr. Mary Borses is a specialist in adult cardiology in Monterey, CA and Petaluma, CA. Dr. Borses graduated from Uniformed Services University of the Health Sciences, F. Edward Hébert School of Medicine and then she performed her residency at Tripler Army Medical Center. These areas are among her clinical interests: myxoma, coronary angiogram, and rheumatic heart disease. She is rated 5.0 stars (out of 5) by her patients. She usually honors Anthem, Blue California, and HealthSmart, in addition to other insurance carriers. She is affiliated with Providence Medical Foundation. According to Providence Medical Foundation, new patients are welcome to contact Dr. Borses's office in Petaluma, CA.