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Home > WA Providers > Internists & Internal Medicine Doctors

Dr. William B. Gunderson IV, MD

(20 Ratings)

Specializes in: Internal Medicine (Adult Medicine)

3181 Sw Sam Jackson Park Road
Portland, OR 97239

(503) 494-8211

Dr. William B. Gunderson IV, MD is an internist in Friday Harbor, WA specializing in internal medicine (adult medicine). Dr. William B. Gunderson IV, MD is affiliated with PeaceHealth.

Office Locations

1117 Spring Street
Friday Harbor, WA 98250

open_in_new

3181 Sw Sam Jackson Park Road
Portland, OR 97239

(503) 494-8211

open_in_new

In The News

“William Gunderson has been hired to ensure clinic access for Dr. Wingren's former patients.”—"Summer rush, season of change at PIMC | Guest Column", The Journal of the San Juan Islands, July 2014

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. William B. Gunderson IV, MD treated as an internist in Friday Harbor, WA during 2014 were hospital care, inpatient care and nursing home care.

Volume of procedures performed by Dr. William B. Gunderson IV, MD for Medicare patients.

hospital care	148
inpatient care	148
nursing home care	17

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. William B. Gunderson IV, MD.

**Gender**
Male	31
Female	50

**Age**
From 65 to 74	21
From 75 to 84	28
85 and over	32
Less than 65	0

Conditions of Medicare patients treated by Dr. William B. Gunderson IV, MD in 2014

Hypertension	75
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	52
Depression	35
Chronic Kidney Disease	42
Asthma	0
Osteoperosis	14
Atrial Fibrilation	20
Heart Failure	52
Chronic Obstructive Pulmonary Disease	35
Diabetes	33
Dementia	40
Cancer	14

Medicare Procedure and Patient Information

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. William B. Gunderson IV, MD.

**Gender**
Male	32
Female	28

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	22
Less than 65	0

Conditions of Medicare patients treated by Dr. William B. Gunderson IV, MD in 2015

Hypertension	50
High Cholesterol	40
Stroke	0
Ischemic Heart Disease	0
Depression	37
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. William B. Gunderson IV, MD.

**Gender**
Male	23
Female	21

**Ethnicity**
Non-Hispanic White	44
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	0
From 75 to 84	14
85 and over	12
Less than 65	0

Conditions of Medicare patients treated by Dr. William B. Gunderson IV, MD in 2016

Hypertension	57
High Cholesterol	41
Stroke	0
Ischemic Heart Disease	27
Depression	39
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	25
Dementia	30
Cancer	0

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. William B. Gunderson IV, MD treated as an internist in Friday Harbor, WA during 2017 were hospital care and inpatient care.

Volume of procedures performed by Dr. William B. Gunderson IV, MD for Medicare patients.

hospital care	50
inpatient care	50

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. William B. Gunderson IV, MD.

**Gender**
Male	27
Female	25

**Age**
From 65 to 74	0
From 75 to 84	17
85 and over	17
Less than 65	0

Conditions of Medicare patients treated by Dr. William B. Gunderson IV, MD in 2017

Hypertension	75
High Cholesterol	35
Stroke	0
Ischemic Heart Disease	38
Depression	33
Chronic Kidney Disease	35
Asthma	0
Osteoperosis	0
Atrial Fibrilation	27
Heart Failure	37
Chronic Obstructive Pulmonary Disease	0
Diabetes	25
Dementia	46
Cancer	0

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. William B. Gunderson IV, MD treated as an internist in Friday Harbor, WA during 2018 were hospital care and inpatient care.

Volume of procedures performed by Dr. William B. Gunderson IV, MD for Medicare patients.

hospital care	37
inpatient care	37

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. William B. Gunderson IV, MD.

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

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	15
Less than 65	0

Conditions of Medicare patients treated by Dr. William B. Gunderson IV, MD in 2018

Hypertension	68
High Cholesterol	35
Stroke	0
Ischemic Heart Disease	42
Depression	0
Chronic Kidney Disease	42
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	45
Cancer	0

Medicare Procedure and Patient Information

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. William B. Gunderson IV, MD.

**Gender**
Male	12
Female	13

**Age**
From 65 to 74	0
From 75 to 84	13
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. William B. Gunderson IV, MD in 2019

Hypertension	72
High Cholesterol	52
Stroke	0
Ischemic Heart Disease	44
Depression	0
Chronic Kidney Disease	52
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	48
Cancer	0

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. William B. Gunderson IV, MD treated as an internist in Friday Harbor, WA during 2020 were hospital care and inpatient care.

Volume of procedures performed by Dr. William B. Gunderson IV, MD for Medicare patients.

doctor visit	30
hospital care	65
inpatient care	65

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. William B. Gunderson IV, MD.

**Gender**
Male	37
Female	36

**Age**
From 65 to 74	31
From 75 to 84	22
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. William B. Gunderson IV, MD in 2020

Hypertension	58
High Cholesterol	41
Stroke	0
Ischemic Heart Disease	30
Depression	27
Chronic Kidney Disease	36
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	18
Chronic Obstructive Pulmonary Disease	19
Diabetes	27
Dementia	25
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. William B. Gunderson IV, MD treated as an internist in Friday Harbor, WA during 2021 were hospital care and inpatient care.

Volume of procedures performed by Dr. William B. Gunderson IV, MD for Medicare patients.

hospital care	12
inpatient care	12

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. William B. Gunderson IV, MD.

**Age**
From 65 to 74	0
From 75 to 84	11
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. William B. Gunderson IV, MD in 2021

Hypertension	70
High Cholesterol	56
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	44
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. William B. Gunderson IV, MD treated as an internist in Friday Harbor, WA during 2022 were hospital care and inpatient care.

Volume of procedures performed by Dr. William B. Gunderson IV, MD for Medicare patients.

hospital care	62
inpatient care	62

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. William B. Gunderson IV, MD.

**Gender**
Male	12
Female	20

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

Conditions of Medicare patients treated by Dr. William B. Gunderson IV, MD in 2022

Hypertension	75
High Cholesterol	69
Stroke	0
Ischemic Heart Disease	0
Depression	41
Chronic Kidney Disease	38
Asthma	0
Osteoperosis	0
Atrial Fibrilation	34
Heart Failure	44
Chronic Obstructive Pulmonary Disease	0
Diabetes	38
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2014 - 2022

Volume of procedures performed by Dr. William B. Gunderson IV, MD for Medicare patients.

The highest averages for the top procedures that Dr. William B. Gunderson IV, MD treated as an internist in Friday Harbor, WA were hospital care, inpatient care and nursing home care.

doctor visit	30
hospital care	62
inpatient care	62
nursing home care	17

Average Medicare Patient Data From 2014 - 2022

Information about Medicare patients treated by Dr. William B. Gunderson IV, MD.

**Gender**
Male	19
Female	21

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	8
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	11
85 and over	12
Less than 65	0
65 to 74	5

Average of Total of Conditions of Medicare patients treated by Dr. William B. Gunderson IV, MD From 2014 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. William B. Gunderson IV, MD treated were hypertension, high cholesterol, chronic kidney disease and dementia.

Hypertension	66
High Cholesterol	46
Stroke	0
Ischemic Heart Disease	25
Depression	23
Chronic Kidney Disease	32
Asthma	0
Osteoporosis	1
Heart Failure	16
Chronic Obstructive Pulmonary Disease	6
Diabetes	16
Atrial Fibrillation	9
Dementia	26
Cancer	1

Education & Training

He has a state license in Washington.

Licensed In: Washington

Affiliations & Hospitals

Dr. William B. Gunderson IV, MD is associated with these hospitals and organizations:

PeaceHealth

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. William B. Gunderson IV, MD appears to accept the following insurance providers: MultiPlan, TriWest, Amerigroup, United Healthcare, Aetna, Medicare, Medicaid, Humana, Railroad Medicare, Cigna, Kaiser Permanente, Molina Healthcare, Community Health Plan of Washington, Coordinated Care Washington, Premera Blue Cross, Pacific Medical Centers, Devoted Health, Provider Network of America and Regence - Oregon & Washington.

Insurance Accepted by Provider includes:

According to our sources, Dr. William B. Gunderson IV, MD accepts the following insurance providers:

MultiPlan

TriWest

Amerigroup

United Healthcare

Aetna

Medicare

Medicaid

Humana

Railroad Medicare

Cigna

Kaiser Permanente

Molina Healthcare

Community Health Plan of Washington

Coordinated Care Washington

Premera Blue Cross

Pacific Medical Centers

Devoted Health

Provider Network of America

Regence - Oregon & Washington

Ratings & Reviews

Dr. William B. Gunderson IV, MD has an exceptional overall rating with an average of 4.91 out of 5 stars based on 20 ratings. We collect ratings and reviews of Dr. William B. Gunderson IV, MD from all over the web to help you find the right in Friday Harbor, WA.

4.91

Overall Rating

(20 Ratings)

Leave a Review

Biography

Dr. William Gunderson is affiliated with PeaceHealth Peace Island Medical Center. Dr. Gunderson attended medical school at Tulane University School of Medicine. Patients rated him highly, giving him an average of 5.0 stars (out of 5). He seems to be an in-network provider for Amerigroup, MultiPlan, and Molina Healthcare, as well as other insurance carriers.

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Dr. William B. Gunderson IV, MD

Office Locations

In The News

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William B. Gunderson IV, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William B. Gunderson IV, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William B. Gunderson IV, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William B. Gunderson IV, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William B. Gunderson IV, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William B. Gunderson IV, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William B. Gunderson IV, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William B. Gunderson IV, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William B. Gunderson IV, MD in 2022

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2014 - 2022

Average Medicare Patient Data From 2014 - 2022

Average of Total of Conditions of Medicare patients treated by Dr. William B. Gunderson IV, MD From 2014 - 2022

Education & Training

Affiliations & Hospitals

Insurance Information

Ratings & Reviews

Biography

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