Procedure Volume Patient Data Patient Conditions Reviews Back to Top

Home > WA Providers > Internists & Internal Medicine Doctors

Dr. Catherine Bree Johnston

(No ratings)

Specializes in: Internal Medicine (Adult Medicine), Hospice and Palliative Medicine (End-of-Life Care and Serious Illness) and Geriatrics (Elderly Care)

University of California, San Francisco (UCSF), School of Medicine (1985)

2801 Squalicum Parkway
Bellingham, WA 98225

(360) 734-5400

Dr. Catherine Bree Johnston is an internist in Mount Vernon, WA specializing in internal medicine (adult medicine), hospice and palliative medicine (end-of-life care and serious illness) and geriatrics (elderly care). She graduated from University of California, San Francisco (UCSF), School of Medicine in 1985 and has 41 years of experience. Dr. Catherine Bree Johnston is affiliated with PeaceHealth and PUBLIC HOSPITAL DIST NO 1 SKAGIT.

Office Locations

1415 E Kincaid Street
Mount Vernon, WA 98274

open_in_new

2801 Squalicum Parkway
Bellingham, WA 98225

(360) 734-5400

open_in_new

In The News (see more mentions in the news)

“"I m really scared about what s going to happen," said Bree Johnston, a geriatrician and the director of palliative care at Skagit Regional Health in northwestern Washington state.”—"An Age-Old Fear Grows More Common: I m Going To Die Alone - KFF Health News", KFF Health News, October 2025

“They should be part of the mainstream," said Dr. Bree Johnston, who is head of palliative care for PeaceHealth St. Joseph Medical Center.”—"Event working to get Whatcom residents to make end-of-life plans", Bellingham Herald, March 2016

“Dr. Bree Johnston is immediate past president of Northwest Washington Medical Society and head of Palliative Care for PeaceHealth.”—"Whatcom View: Advance directives share key end-of-life decisions", Bellingham Herald, February 2016

Noteworthy Medicare Patient Procedures Performed by Dr. Catherine Bree Johnston in 2023

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

Top 10%

By Affordability:

hospital care

inpatient care

inpatient hospital care

In 2023, Dr. Catherine Bree Johnston 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 90% of providers in related specialties within Washington. 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.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Catherine Bree Johnston treated as an internist in Mount Vernon, WA during 2012 were hospital care and inpatient care.

Volume of procedures performed by Dr. Catherine Bree Johnston for Medicare patients.

hospital care	353
inpatient care	353

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Catherine Bree Johnston treated as an internist in Mount Vernon, WA during 2013 were hospital care and inpatient care.

Volume of procedures performed by Dr. Catherine Bree Johnston for Medicare patients.

hospital care	339
inpatient care	339

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Catherine Bree Johnston.

**Gender**
Male	81
Female	104

**Ethnicity**
Non-Hispanic White	165
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	50
From 75 to 84	49
85 and over	59
Less than 65	27

Conditions of Medicare patients treated by Dr. Catherine Bree Johnston in 2013

Hypertension	72
High Cholesterol	50
Stroke	14
Ischemic Heart Disease	46
Depression	45
Chronic Kidney Disease	47
Asthma	12
Osteoperosis	16
Atrial Fibrilation	20
Heart Failure	51
Chronic Obstructive Pulmonary Disease	40
Diabetes	34
Dementia	37
Cancer	29

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Catherine Bree Johnston treated as an internist in Mount Vernon, WA during 2014 were hospital care and inpatient care.

Volume of procedures performed by Dr. Catherine Bree Johnston for Medicare patients.

hospital care	312
inpatient care	312

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Catherine Bree Johnston.

**Gender**
Male	93
Female	76

**Ethnicity**
Non-Hispanic White	149
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	39
From 75 to 84	62
85 and over	47
Less than 65	21

Conditions of Medicare patients treated by Dr. Catherine Bree Johnston in 2014

Hypertension	75
High Cholesterol	61
Stroke	10
Ischemic Heart Disease	53
Depression	44
Chronic Kidney Disease	57
Asthma	14
Osteoperosis	19
Atrial Fibrilation	27
Heart Failure	58
Chronic Obstructive Pulmonary Disease	33
Diabetes	32
Dementia	44
Cancer	20

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Catherine Bree Johnston treated as an internist in Mount Vernon, WA during 2015 were hospital care and inpatient care.

Volume of procedures performed by Dr. Catherine Bree Johnston for Medicare patients.

hospital care	262
inpatient care	262

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Catherine Bree Johnston.

**Gender**
Male	144
Female	196

**Ethnicity**
Non-Hispanic White	310
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	106
From 75 to 84	108
85 and over	84
Less than 65	42

Conditions of Medicare patients treated by Dr. Catherine Bree Johnston in 2015

Hypertension	75
High Cholesterol	61
Stroke	18
Ischemic Heart Disease	46
Depression	39
Chronic Kidney Disease	55
Asthma	28
Osteoperosis	22
Atrial Fibrilation	25
Heart Failure	48
Chronic Obstructive Pulmonary Disease	32
Diabetes	39
Dementia	36
Cancer	26

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Catherine Bree Johnston treated as an internist in Mount Vernon, WA during 2016 were hospital care and inpatient care.

Volume of procedures performed by Dr. Catherine Bree Johnston for Medicare patients.

hospital care	256
inpatient care	256

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Catherine Bree Johnston.

**Gender**
Male	76
Female	83

**Ethnicity**
Non-Hispanic White	148
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	38
From 75 to 84	58
85 and over	52
Less than 65	11

Conditions of Medicare patients treated by Dr. Catherine Bree Johnston in 2016

Hypertension	75
High Cholesterol	62
Stroke	13
Ischemic Heart Disease	62
Depression	45
Chronic Kidney Disease	67
Asthma	43
Osteoperosis	18
Atrial Fibrilation	31
Heart Failure	64
Chronic Obstructive Pulmonary Disease	42
Diabetes	39
Dementia	48
Cancer	19

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Catherine Bree Johnston treated as an internist in Mount Vernon, WA during 2017 were hospital care and inpatient care.

Volume of procedures performed by Dr. Catherine Bree Johnston for Medicare patients.

hospital care	142
inpatient care	142

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Catherine Bree Johnston.

**Gender**
Male	46
Female	47

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

**Age**
From 65 to 74	37
From 75 to 84	28
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Catherine Bree Johnston in 2017

Hypertension	75
High Cholesterol	55
Stroke	0
Ischemic Heart Disease	58
Depression	43
Chronic Kidney Disease	54
Asthma	13
Osteoperosis	16
Atrial Fibrilation	25
Heart Failure	45
Chronic Obstructive Pulmonary Disease	33
Diabetes	37
Dementia	37
Cancer	37

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Catherine Bree Johnston treated as an internist in Mount Vernon, WA during 2018 were hospital care and inpatient care.

Volume of procedures performed by Dr. Catherine Bree Johnston for Medicare patients.

hospital care	139
inpatient care	139

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Catherine Bree Johnston.

**Gender**
Male	45
Female	46

**Ethnicity**
Non-Hispanic White	68
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	35
From 75 to 84	27
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Catherine Bree Johnston in 2018

Hypertension	75
High Cholesterol	46
Stroke	13
Ischemic Heart Disease	56
Depression	40
Chronic Kidney Disease	68
Asthma	0
Osteoperosis	15
Atrial Fibrilation	20
Heart Failure	54
Chronic Obstructive Pulmonary Disease	35
Diabetes	26
Dementia	41
Cancer	35

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Catherine Bree Johnston treated as an internist in Mount Vernon, WA during 2019 were hospital care and inpatient care.

Volume of procedures performed by Dr. Catherine Bree Johnston for Medicare patients.

hospital care	96
inpatient care	96

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Catherine Bree Johnston.

**Gender**
Male	31
Female	27

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

**Age**
From 65 to 74	20
From 75 to 84	0
85 and over	16
Less than 65	0

Conditions of Medicare patients treated by Dr. Catherine Bree Johnston in 2019

Hypertension	75
High Cholesterol	53
Stroke	31
Ischemic Heart Disease	72
Depression	45
Chronic Kidney Disease	75
Asthma	0
Osteoperosis	0
Atrial Fibrilation	26
Heart Failure	57
Chronic Obstructive Pulmonary Disease	31
Diabetes	34
Dementia	43
Cancer	40

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Catherine Bree Johnston treated as an internist in Mount Vernon, WA during 2020 were hospital care and inpatient care.

Volume of procedures performed by Dr. Catherine Bree Johnston for Medicare patients.

hospital care	45
inpatient care	45

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Catherine Bree Johnston.

**Gender**
Male	24
Female	15

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

Conditions of Medicare patients treated by Dr. Catherine Bree Johnston in 2020

Hypertension	75
High Cholesterol	59
Stroke	0
Ischemic Heart Disease	64
Depression	51
Chronic Kidney Disease	74
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	46
Chronic Obstructive Pulmonary Disease	41
Diabetes	38
Dementia	38
Cancer	33

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Catherine Bree Johnston treated as an internist in Mount Vernon, WA during 2021 were hospital care and inpatient care.

Volume of procedures performed by Dr. Catherine Bree Johnston for Medicare patients.

hospital care	237
inpatient care	237

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Catherine Bree Johnston.

**Gender**
Male	51
Female	57

**Age**
From 65 to 74	34
From 75 to 84	24
85 and over	39
Less than 65	11

Conditions of Medicare patients treated by Dr. Catherine Bree Johnston in 2021

Hypertension	73
High Cholesterol	56
Stroke	13
Ischemic Heart Disease	56
Depression	29
Chronic Kidney Disease	62
Asthma	0
Osteoperosis	0
Atrial Fibrilation	17
Heart Failure	51
Chronic Obstructive Pulmonary Disease	32
Diabetes	35
Dementia	35
Cancer	31

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Catherine Bree Johnston treated as an internist in Mount Vernon, WA during 2022 were hospital care and inpatient care.

Volume of procedures performed by Dr. Catherine Bree Johnston for Medicare patients.

hospital care	307
inpatient care	307

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Catherine Bree Johnston.

**Gender**
Male	65
Female	67

**Age**
From 65 to 74	0
From 75 to 84	51
85 and over	47
Less than 65	0

Conditions of Medicare patients treated by Dr. Catherine Bree Johnston in 2022

Hypertension	75
High Cholesterol	70
Stroke	27
Ischemic Heart Disease	52
Depression	36
Chronic Kidney Disease	45
Asthma	0
Osteoperosis	16
Atrial Fibrilation	49
Heart Failure	47
Chronic Obstructive Pulmonary Disease	38
Diabetes	35
Dementia	36
Cancer	31

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Catherine Bree Johnston for Medicare patients.

The highest averages for the top procedures that Dr. Catherine Bree Johnston treated as an internist in Mount Vernon, WA were hospital care and inpatient care.

hospital care	226
inpatient care	226

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Catherine Bree Johnston.

**Gender**
Male	59
Female	65

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	87
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	37
85 and over	31
Less than 65	10
65 to 74	34

Average of Total of Conditions of Medicare patients treated by Dr. Catherine Bree Johnston From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Catherine Bree Johnston treated were hypertension, chronic kidney disease, high cholesterol and ischemic heart disease.

Hypertension	67
High Cholesterol	52
Stroke	12
Ischemic Heart Disease	51
Depression	37
Chronic Kidney Disease	54
Asthma	10
Osteoporosis	11
Heart Failure	47
Chronic Obstructive Pulmonary Disease	32
Diabetes	31
Atrial Fibrillation	21
Dementia	35
Cancer	27

Education & Training

Dr. Catherine Bree Johnston graduated from University of California, San Francisco (UCSF), School of Medicine in 1985. She has a state license in California.

Medical School: University of California, San Francisco (UCSF), School of Medicine (1985)

Licensed In: California

Affiliations & Hospitals

Dr. Catherine Bree Johnston is associated with these hospitals and organizations:

PeaceHealth

PUBLIC HOSPITAL DIST NO 1 SKAGIT

Ratings & Reviews

Dr. Catherine Bree Johnston does not have any reviews yet, be the first to leave a review of Dr. Catherine Bree Johnston here: Leave a Review

(No ratings)

Leave a Review

Biography

Dr. Catherine Johnston is a specialist in hospice and palliative medicine (end-of-life care and serious illness) and geriatrics (elderly care). Dr. Johnston is a graduate of the University of California, San Francisco (UCSF), School of Medicine. She is affiliated with PeaceHealth.