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Dr. Angela Esther Brennan, DO

Accepting New Patients

(Dr. Angela Brennan, D.O.)

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Specializes in: Family Medicine

Touro University College of Osteopathic Medicine

2470 Hilborn Road
Fairfield, CA 94534

(707) 646-5500

Dr. Angela Esther Brennan, DO is a family medicine practitioner in Fairfield, CA specializing in family medicine. She graduated from Touro University College of Osteopathic Medicine. Dr. Angela Esther Brennan, DO is affiliated with Hill Physicians and NORTHBAY HEALTHCARE GROUP.

Office Locations

2470 Hilborn Road
Fairfield, CA 94534

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Medicare Procedure and Patient Information

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Angela Esther Brennan, DO.

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

Conditions of Medicare patients treated by Dr. Angela Esther Brennan, DO in 2017

The most common conditions of Medicare patients that Dr. Angela Esther Brennan, DO treated during 2017 were hypertension, high cholesterol, chronic kidney disease and diabetes.

Hypertension	75
High Cholesterol	71
Stroke	0
Ischemic Heart Disease	39
Depression	0
Chronic Kidney Disease	43
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	39
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Angela Esther Brennan, DO treated as a family medicine practitioner in Fairfield, CA during 2018 were lab tests, preventive care, osteopathic medicine and manual therapy.

Volume of procedures performed by Dr. Angela Esther Brennan, DO for Medicare patients.

complementary or alternative therapy	21
diabetes management	13
doctor visit	248
lab tests	31
manual therapy	21
osteopathic medicine	21
preventive care	31

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Angela Esther Brennan, DO.

**Gender**
Male	30
Female	99

**Ethnicity**
Non-Hispanic White	64
Black	18
Hispanic	36
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	58
From 75 to 84	28
85 and over	13
Less than 65	30

Conditions of Medicare patients treated by Dr. Angela Esther Brennan, DO in 2018

The most common conditions of Medicare patients that Dr. Angela Esther Brennan, DO treated during 2018 were hypertension, high cholesterol, diabetes and chronic kidney disease.

Hypertension	58
High Cholesterol	43
Stroke	0
Ischemic Heart Disease	22
Depression	24
Chronic Kidney Disease	29
Asthma	11
Osteoperosis	0
Atrial Fibrilation	9
Heart Failure	14
Chronic Obstructive Pulmonary Disease	0
Diabetes	31
Dementia	0
Cancer	11

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Angela Esther Brennan, DO treated as a family medicine practitioner in Fairfield, CA during 2019 were preventive care, lab tests, vaccines and diabetes management.

Volume of procedures performed by Dr. Angela Esther Brennan, DO for Medicare patients.

diabetes management	31
doctor visit	358
lab tests	45
preventive care	71
vaccines	40

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Angela Esther Brennan, DO.

**Gender**
Male	36
Female	131

**Ethnicity**
Non-Hispanic White	71
Black	31
Hispanic	47
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	70
From 75 to 84	43
85 and over	16
Less than 65	38

Conditions of Medicare patients treated by Dr. Angela Esther Brennan, DO in 2019

The most common conditions of Medicare patients that Dr. Angela Esther Brennan, DO treated during 2019 were hypertension, high cholesterol, diabetes and chronic kidney disease.

Hypertension	61
High Cholesterol	49
Stroke	0
Ischemic Heart Disease	23
Depression	22
Chronic Kidney Disease	26
Asthma	13
Osteoperosis	0
Atrial Fibrilation	8
Heart Failure	16
Chronic Obstructive Pulmonary Disease	7
Diabetes	38
Dementia	7
Cancer	7

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Angela Esther Brennan, DO treated as a family medicine practitioner in Fairfield, CA during 2020 were preventive care, vaccines, lab tests and diabetes management.

Volume of procedures performed by Dr. Angela Esther Brennan, DO for Medicare patients.

diabetes management	24
doctor visit	367
lab tests	35
preventive care	137
vaccines	102

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Angela Esther Brennan, DO.

**Gender**
Male	53
Female	159

**Ethnicity**
Non-Hispanic White	93
Black	39
Hispanic	57
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	86
From 75 to 84	62
85 and over	19
Less than 65	45

Conditions of Medicare patients treated by Dr. Angela Esther Brennan, DO in 2020

The most common conditions of Medicare patients that Dr. Angela Esther Brennan, DO treated during 2020 were hypertension, high cholesterol, diabetes and chronic kidney disease.

Hypertension	55
High Cholesterol	49
Stroke	0
Ischemic Heart Disease	25
Depression	22
Chronic Kidney Disease	32
Asthma	8
Osteoperosis	8
Atrial Fibrilation	10
Heart Failure	17
Chronic Obstructive Pulmonary Disease	8
Diabetes	34
Dementia	10
Cancer	8

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Angela Esther Brennan, DO treated as a family medicine practitioner in Fairfield, CA during 2021 were preventive care, vaccines, lab tests and diabetes management.

Volume of procedures performed by Dr. Angela Esther Brennan, DO for Medicare patients.

diabetes management	21
doctor visit	453
lab tests	21
preventive care	68
vaccines	47

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Angela Esther Brennan, DO.

**Gender**
Male	61
Female	176

**Ethnicity**
Non-Hispanic White	108
Black	35
Hispanic	67
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	111
From 75 to 84	65
85 and over	24
Less than 65	37

Conditions of Medicare patients treated by Dr. Angela Esther Brennan, DO in 2021

The most common conditions of Medicare patients that Dr. Angela Esther Brennan, DO treated during 2021 were hypertension, high cholesterol, diabetes and chronic kidney disease.

Hypertension	65
High Cholesterol	49
Stroke	0
Ischemic Heart Disease	22
Depression	20
Chronic Kidney Disease	29
Asthma	7
Osteoperosis	10
Atrial Fibrilation	8
Heart Failure	17
Chronic Obstructive Pulmonary Disease	9
Diabetes	37
Dementia	11
Cancer	8

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Angela Esther Brennan, DO treated as a family medicine practitioner in Fairfield, CA during 2022 were preventive care and vaccines.

Volume of procedures performed by Dr. Angela Esther Brennan, DO for Medicare patients.

doctor visit	591
preventive care	28
vaccines	28

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Angela Esther Brennan, DO.

**Gender**
Male	95
Female	215

**Ethnicity**
Non-Hispanic White	159
Black	36
Hispanic	78
Asian	23
Other	0
Native American	0

**Age**
From 65 to 74	137
From 75 to 84	91
85 and over	36
Less than 65	46

Conditions of Medicare patients treated by Dr. Angela Esther Brennan, DO in 2022

The most common conditions of Medicare patients that Dr. Angela Esther Brennan, DO treated during 2022 were hypertension, high cholesterol, diabetes and chronic kidney disease.

Hypertension	75
High Cholesterol	68
Stroke	9
Ischemic Heart Disease	22
Depression	15
Chronic Kidney Disease	25
Asthma	14
Osteoperosis	15
Atrial Fibrilation	15
Heart Failure	14
Chronic Obstructive Pulmonary Disease	15
Diabetes	40
Dementia	6
Cancer	15

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Angela Esther Brennan, DO treated as a family medicine practitioner in Fairfield, CA during 2023 were preventive care and vaccines.

Volume of procedures performed by Dr. Angela Esther Brennan, DO for Medicare patients.

doctor visit	548
preventive care	22
vaccines	22

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Angela Esther Brennan, DO.

**Gender**
Male	74
Female	206

**Ethnicity**
Non-Hispanic White	140
Black	31
Hispanic	77
Asian	19
Other	0
Native American	0

**Age**
From 65 to 74	115
From 75 to 84	92
85 and over	38
Less than 65	35

Conditions of Medicare patients treated by Dr. Angela Esther Brennan, DO in 2023

The most common conditions of Medicare patients that Dr. Angela Esther Brennan, DO treated during 2023 were hypertension, high cholesterol, diabetes and chronic kidney disease.

Hypertension	75
High Cholesterol	73
Stroke	8
Ischemic Heart Disease	20
Depression	16
Chronic Kidney Disease	22
Asthma	12
Osteoperosis	18
Atrial Fibrilation	15
Heart Failure	15
Chronic Obstructive Pulmonary Disease	13
Diabetes	39
Dementia	5
Cancer	13

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2017 - 2023

Volume of procedures performed by Dr. Angela Esther Brennan, DO for Medicare patients.

The highest averages for the top procedures that Dr. Angela Esther Brennan, DO treated as a family medicine practitioner in Fairfield, CA were preventive care, vaccines, lab tests and diabetes management.

complementary or alternative therapy	21
diabetes management	22
doctor visit	427
lab tests	33
manual therapy	21
osteopathic medicine	21
preventive care	59
vaccines	47

Average Medicare Patient Data From 2017 - 2023

Information about Medicare patients treated by Dr. Angela Esther Brennan, DO.

**Gender**
Male	49
Female	140

**Ethnicity**
Black / African American	27
Asian / Pacific Islander	6
Non-Hispanic White	92
Hispanic	51
Native American / Alaskan Native	0
Other	0

**Age**
75 to 84	54
85 and over	20
Less than 65	33
65 to 74	82

Average of Total of Conditions of Medicare patients treated by Dr. Angela Esther Brennan, DO From 2017 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Angela Esther Brennan, DO treated were hypertension, high cholesterol, diabetes and chronic kidney disease.

Hypertension	66
High Cholesterol	57
Stroke	2
Ischemic Heart Disease	24
Depression	17
Chronic Kidney Disease	29
Asthma	9
Osteoporosis	7
Heart Failure	13
Chronic Obstructive Pulmonary Disease	7
Diabetes	36
Atrial Fibrillation	9
Dementia	5
Cancer	8

Education & Training

Dr. Angela Esther Brennan, DO graduated from Touro University College of Osteopathic Medicine. She is certified by the American Board of Family Medicine and has a state license in California.

Medical School: Touro University College of Osteopathic Medicine

Board Certification: American Board of Family Medicine (2026)

Licensed In: California

Affiliations & Hospitals

Dr. Angela Esther Brennan, DO is associated with these hospitals and organizations:

Hill Physicians

NORTHBAY HEALTHCARE GROUP

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. Angela Esther Brennan, DO appears to accept the following insurance providers: Health Net, Cigna, Aetna, UnitedHealthcare, Anthem, Blue Shield of California and Western Health Advantage (WHA).

Insurance Accepted by Provider includes:

According to our sources, Dr. Angela Esther Brennan, DO accepts the following insurance providers:

Health Net

Cigna

Aetna

UnitedHealthcare

Anthem

Blue Shield of California

Western Health Advantage (WHA)

Ratings & Reviews

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General Payments

These charts describe general payments received by Dr. Angela Esther Brennan, DO. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Abbott Laboratories	$117 PROCLAIM $93	Freestyle Libre 2 $23
Lilly USA, LLC	$113 MOUNJARO $113
Novo Nordisk Inc	$96 $96
Vertos Medical, Inc.	$75 mild Device Kit $75
Allergan Inc.	$55 VRAYLAR $36	Botox Therapeutic $19

**Types of Payments**
Food and Beverage	$455

Biography

Dr. Angela Brennan is a specialist in family medicine. She is affiliated with Hill Physicians. Dr. Brennan appears to be an in-network provider for Blue Shield, Health Net, Anthem, and more. Her practice in Fairfield, CA is open to new patients as reported by Hill Physicians. She is a graduate of Touro University College of Osteopathic Medicine.