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Home > CA Providers > Family Physicians & Family Medicine Specialists

Dr. Katharine M. O'Brien, DO

(6 Ratings)

Specializes in: Family Medicine

30420 Haun Road
Menifee, CA 92584

(951) 676-4193

Dr. Katharine M. O'Brien, DO is a family medicine practitioner in Menifee, CA specializing in family medicine.

Office Locations

30420 Haun Road
Menifee, CA 92584

(951) 676-4193

(951) 719-1469

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Katharine M. O'Brien, DO treated as a family medicine practitioner in Menifee, CA during 2012 were lab tests, preventive care, thyroid function tests and X-rays.

Volume of procedures performed by Dr. Katharine M. O'Brien, DO for Medicare patients.

diabetes management	16
doctor visit	308
lab tests	253
preventive care	79
thoracic (chest) imaging	16
thyroid function tests	38
vaccines	11
X-rays	16

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Katharine M. O'Brien, DO treated as a family medicine practitioner in Menifee, CA during 2013 were lab tests, preventive care, thyroid function tests and vaccines.

Volume of procedures performed by Dr. Katharine M. O'Brien, DO for Medicare patients.

doctor visit	282
lab tests	226
preventive care	81
thyroid function tests	48
vaccines	14

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Katharine M. O'Brien, DO.

**Gender**
Male	43
Female	125

**Ethnicity**
Non-Hispanic White	140
Black	0
Hispanic	16
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	110
From 75 to 84	27
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Katharine M. O'Brien, DO in 2013

Hypertension	50
High Cholesterol	43
Stroke	0
Ischemic Heart Disease	20
Depression	14
Chronic Kidney Disease	14
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	10
Chronic Obstructive Pulmonary Disease	0
Diabetes	19
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Katharine M. O'Brien, DO treated as a family medicine practitioner in Menifee, CA during 2014 were lab tests, preventive care, thyroid function tests and vaccines.

Volume of procedures performed by Dr. Katharine M. O'Brien, DO for Medicare patients.

doctor visit	339
lab tests	270
preventive care	95
thyroid function tests	46
vaccines	23

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Katharine M. O'Brien, DO.

**Gender**
Male	60
Female	132

**Ethnicity**
Non-Hispanic White	160
Black	0
Hispanic	18
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	118
From 75 to 84	42
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Katharine M. O'Brien, DO in 2014

Hypertension	49
High Cholesterol	34
Stroke	0
Ischemic Heart Disease	15
Depression	14
Chronic Kidney Disease	10
Asthma	6
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	8
Chronic Obstructive Pulmonary Disease	7
Diabetes	16
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Katharine M. O'Brien, DO treated as a family medicine practitioner in Menifee, CA during 2015 were lab tests, preventive care, thyroid function tests and vaccines.

Volume of procedures performed by Dr. Katharine M. O'Brien, DO for Medicare patients.

diabetes management	26
doctor visit	438
lab tests	379
preventive care	135
thoracic (chest) imaging	22
thyroid function tests	55
vaccines	47
X-rays	22

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Katharine M. O'Brien, DO.

**Gender**
Male	116
Female	322

**Ethnicity**
Non-Hispanic White	358
Black	0
Hispanic	42
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	276
From 75 to 84	92
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Katharine M. O'Brien, DO in 2015

Hypertension	49
High Cholesterol	40
Stroke	0
Ischemic Heart Disease	14
Depression	18
Chronic Kidney Disease	16
Asthma	11
Osteoperosis	10
Atrial Fibrilation	6
Heart Failure	8
Chronic Obstructive Pulmonary Disease	7
Diabetes	17
Dementia	0
Cancer	5

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Katharine M. O'Brien, DO treated as a family medicine practitioner in Menifee, CA during 2016 were lab tests, preventive care, thyroid function tests and vaccines.

Volume of procedures performed by Dr. Katharine M. O'Brien, DO for Medicare patients.

diabetes management	30
doctor visit	419
lab tests	438
preventive care	163
thoracic (chest) imaging	23
thyroid function tests	59
vaccines	52
X-rays	23

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Katharine M. O'Brien, DO.

**Gender**
Male	63
Female	142

**Ethnicity**
Non-Hispanic White	174
Black	0
Hispanic	15
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	125
From 75 to 84	48
85 and over	12
Less than 65	20

Conditions of Medicare patients treated by Dr. Katharine M. O'Brien, DO in 2016

Hypertension	54
High Cholesterol	43
Stroke	0
Ischemic Heart Disease	14
Depression	18
Chronic Kidney Disease	19
Asthma	11
Osteoperosis	7
Atrial Fibrilation	8
Heart Failure	8
Chronic Obstructive Pulmonary Disease	7
Diabetes	20
Dementia	0
Cancer	8

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

Volume of procedures performed by Dr. Katharine M. O'Brien, DO for Medicare patients.

doctor visit	102

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Katharine M. O'Brien, DO.

**Gender**
Male	22
Female	66

**Ethnicity**
Non-Hispanic White	55
Black	0
Hispanic	20
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	49
From 75 to 84	18
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Katharine M. O'Brien, DO in 2017

Hypertension	65
High Cholesterol	35
Stroke	0
Ischemic Heart Disease	33
Depression	17
Chronic Kidney Disease	30
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	17
Chronic Obstructive Pulmonary Disease	0
Diabetes	28
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

Volume of procedures performed by Dr. Katharine M. O'Brien, DO for Medicare patients.

doctor visit	161

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Katharine M. O'Brien, DO.

**Gender**
Male	42
Female	40

**Ethnicity**
Non-Hispanic White	40
Black	0
Hispanic	30
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	28
From 75 to 84	0
85 and over	0
Less than 65	39

Conditions of Medicare patients treated by Dr. Katharine M. O'Brien, DO in 2018

Hypertension	55
High Cholesterol	41
Stroke	0
Ischemic Heart Disease	27
Depression	20
Chronic Kidney Disease	30
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	17
Chronic Obstructive Pulmonary Disease	17
Diabetes	40
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

Volume of procedures performed by Dr. Katharine M. O'Brien, DO for Medicare patients.

doctor visit	193

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Katharine M. O'Brien, DO.

**Gender**
Male	36
Female	51

**Ethnicity**
Non-Hispanic White	40
Black	0
Hispanic	30
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	40
From 75 to 84	0
85 and over	0
Less than 65	26

Conditions of Medicare patients treated by Dr. Katharine M. O'Brien, DO in 2019

Hypertension	66
High Cholesterol	41
Stroke	0
Ischemic Heart Disease	24
Depression	34
Chronic Kidney Disease	38
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	16
Chronic Obstructive Pulmonary Disease	13
Diabetes	43
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

Volume of procedures performed by Dr. Katharine M. O'Brien, DO for Medicare patients.

doctor visit	174

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Katharine M. O'Brien, DO.

**Gender**
Male	39
Female	46

**Ethnicity**
Non-Hispanic White	34
Black	0
Hispanic	36
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	37
From 75 to 84	0
85 and over	0
Less than 65	27

Conditions of Medicare patients treated by Dr. Katharine M. O'Brien, DO in 2020

Hypertension	64
High Cholesterol	44
Stroke	0
Ischemic Heart Disease	29
Depression	28
Chronic Kidney Disease	47
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	18
Chronic Obstructive Pulmonary Disease	18
Diabetes	39
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

Volume of procedures performed by Dr. Katharine M. O'Brien, DO for Medicare patients.

doctor visit	145

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Katharine M. O'Brien, DO.

**Gender**
Male	26
Female	39

**Ethnicity**
Non-Hispanic White	29
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	32
From 75 to 84	0
85 and over	0
Less than 65	19

Conditions of Medicare patients treated by Dr. Katharine M. O'Brien, DO in 2021

Hypertension	63
High Cholesterol	48
Stroke	0
Ischemic Heart Disease	23
Depression	17
Chronic Kidney Disease	45
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	37
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

Volume of procedures performed by Dr. Katharine M. O'Brien, DO for Medicare patients.

doctor visit	187

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Katharine M. O'Brien, DO.

**Gender**
Male	29
Female	34

**Ethnicity**
Non-Hispanic White	25
Black	0
Hispanic	27
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	36
From 75 to 84	0
85 and over	0
Less than 65	14

Conditions of Medicare patients treated by Dr. Katharine M. O'Brien, DO in 2022

Hypertension	71
High Cholesterol	63
Stroke	0
Ischemic Heart Disease	19
Depression	0
Chronic Kidney Disease	27
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	17
Diabetes	43
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

Volume of procedures performed by Dr. Katharine M. O'Brien, DO for Medicare patients.

doctor visit	181

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Katharine M. O'Brien, DO.

**Gender**
Male	26
Female	29

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

**Age**
From 65 to 74	32
From 75 to 84	12
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Katharine M. O'Brien, DO in 2023

Hypertension	75
High Cholesterol	64
Stroke	0
Ischemic Heart Disease	25
Depression	0
Chronic Kidney Disease	33
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	20
Chronic Obstructive Pulmonary Disease	0
Diabetes	47
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. Katharine M. O'Brien, DO for Medicare patients.

The highest averages for the top procedures that Dr. Katharine M. O'Brien, DO treated as a family medicine practitioner in Menifee, CA were lab tests, preventive care, thyroid function tests and vaccines.

diabetes management	24
doctor visit	244
lab tests	313
preventive care	110
thoracic (chest) imaging	20
thyroid function tests	49
vaccines	29
X-rays	20

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Katharine M. O'Brien, DO.

**Gender**
Male	41
Female	85

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	90
Hispanic	19
Native American / Alaskan Native	0
Other	0

**Age**
75 to 84	19
85 and over	1
Less than 65	12
65 to 74	73

Average of Total of Conditions of Medicare patients treated by Dr. Katharine M. O'Brien, DO From 2012 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Katharine M. O'Brien, DO treated were hypertension, high cholesterol, diabetes and chronic kidney disease.

Hypertension	55
High Cholesterol	41
Stroke	0
Ischemic Heart Disease	20
Depression	15
Chronic Kidney Disease	25
Asthma	2
Osteoporosis	1
Heart Failure	10
Chronic Obstructive Pulmonary Disease	7
Diabetes	29
Atrial Fibrillation	1
Cancer	1
Dementia	0

Education & Training

She has a state license in Texas.

Licensed In: Texas

Ratings & Reviews

Dr. Katharine M. O'Brien, DO has a good overall rating with an average of 3.0 out of 5 stars based on 6 ratings. We collect ratings and reviews of Dr. Katharine M. O'Brien, DO from all over the web to help you find the right in Menifee, CA.

Overall Rating

(6 Ratings)

Leave a Review

Reviews Left On DocSpot

Overall Rating: 5.0 2023-11-06

She gets right to the point. She will order tests and make referrals as needed, and takes her time listening and asking questions. Sometimes I have to wait a little longer than I would like, but that’s because she is spending time with the previous patients. I have every confidence in her.

General Payments

These charts describe general payments received by Dr. Katharine M. O'Brien, DO. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Boehringer Ingelheim Pharmaceuticals, Inc.	$233 JARDIANCE $133	SPIRIVA RESPIMAT $52	SYNJARDY $27	$21
Janssen Pharmaceuticals, Inc	$167 XARELTO $112	INVOKANA $55
Amgen Inc.	$152 Repatha $152
GlaxoSmithKline, LLC.	$114 AREXVY $31	TRELEGY ELLIPTA $18	ANORO $12	$54
Medtronic USA, Inc.	$113 Spinal Cord Neurostimulation - Neuro $113
Other	$591 STEGLUJAN $58	JARDIANCE $48	NURTEC ODT $45	RYBELSUS $44	Vascepa $38	Other $357

**Types of Payments**
Food and Beverage	$1,370

Biography

Dr. Katharine Obrien's area of specialization is family medicine. Her average rating from her patients is 3.0 stars (out of 5).

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Dr. Katharine M. O'Brien, DO

Office Locations

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Katharine M. O'Brien, DO in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Katharine M. O'Brien, DO in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Katharine M. O'Brien, DO in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Katharine M. O'Brien, DO in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Katharine M. O'Brien, DO in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Katharine M. O'Brien, DO in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Katharine M. O'Brien, DO in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Katharine M. O'Brien, DO in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Katharine M. O'Brien, DO in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Katharine M. O'Brien, DO in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Katharine M. O'Brien, DO in 2023

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Average Medicare Patient Data From 2012 - 2023

Average of Total of Conditions of Medicare patients treated by Dr. Katharine M. O'Brien, DO From 2012 - 2023

Education & Training

Ratings & Reviews

General Payments

Biography

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