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Dr. John R. Knudsen, MD

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Specializes in: General Practice

6046 Portal Way Suite 103
Ferndale, WA 98248

(360) 734-2330

Dr. John R. Knudsen, MD is a general practitioner in Ferndale, WA specializing in general practice.

Office Locations

6046 Portal Way Suite 103
Ferndale, WA 98248

(360) 734-2330

(360) 733-3886

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Noteworthy Medicare Patient Procedures Performed by Dr. John R. Knudsen, MD in 2023

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

Top 5%

By Affordability:

immunization

vaccines

In 2023, Dr. John R. Knudsen, MD had a list price for immunization (preventive vaccines), and vaccines that was lower than the list prices billed to Medicare by 95% 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.

Top 25%

By Affordability:

flu shot

flu vaccine

In 2012, Dr. John R. Knudsen, MD had a list price for flu shot, and flu vaccine that was lower than the list prices billed to Medicare by 75% 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. John R. Knudsen, MD treated as a general practitioner in Ferndale, WA during 2012 were lab tests and blood draw.

Volume of procedures performed by Dr. John R. Knudsen, MD for Medicare patients.

blood draw	25
doctor visit	506
lab tests	36

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John R. Knudsen, MD treated as a general practitioner in Ferndale, WA during 2013 were blood draw and lab tests.

Volume of procedures performed by Dr. John R. Knudsen, MD for Medicare patients.

blood draw	19
doctor visit	575
lab tests	17

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Knudsen, MD.

**Gender**
Male	186
Female	192

**Ethnicity**
Non-Hispanic White	353
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	155
From 75 to 84	100
85 and over	50
Less than 65	73

Conditions of Medicare patients treated by Dr. John R. Knudsen, MD in 2013

Hypertension	44
High Cholesterol	32
Stroke	3
Ischemic Heart Disease	21
Depression	19
Chronic Kidney Disease	8
Asthma	6
Osteoperosis	4
Atrial Fibrilation	11
Heart Failure	12
Chronic Obstructive Pulmonary Disease	9
Diabetes	18
Dementia	8
Cancer	8

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John R. Knudsen, MD treated as a general practitioner in Ferndale, WA during 2014 were lab tests, blood draw, preventive care and vaccines.

Volume of procedures performed by Dr. John R. Knudsen, MD for Medicare patients.

blood draw	21
doctor visit	752
lab tests	36
preventive care	12
vaccines	12

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Knudsen, MD.

**Gender**
Male	201
Female	256

**Ethnicity**
Non-Hispanic White	413
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	204
From 75 to 84	125
85 and over	55
Less than 65	73

Conditions of Medicare patients treated by Dr. John R. Knudsen, MD in 2014

Hypertension	45
High Cholesterol	36
Stroke	3
Ischemic Heart Disease	23
Depression	18
Chronic Kidney Disease	12
Asthma	6
Osteoperosis	7
Atrial Fibrilation	7
Heart Failure	8
Chronic Obstructive Pulmonary Disease	8
Diabetes	18
Dementia	5
Cancer	7

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John R. Knudsen, MD treated as a general practitioner in Ferndale, WA during 2015 were blood draw and lab tests.

Volume of procedures performed by Dr. John R. Knudsen, MD for Medicare patients.

blood draw	28
doctor visit	631
lab tests	22

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Knudsen, MD.

**Gender**
Male	378
Female	394

**Ethnicity**
Non-Hispanic White	708
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	324
From 75 to 84	216
85 and over	116
Less than 65	116

Conditions of Medicare patients treated by Dr. John R. Knudsen, MD in 2015

Hypertension	39
High Cholesterol	30
Stroke	3
Ischemic Heart Disease	16
Depression	18
Chronic Kidney Disease	14
Asthma	7
Osteoperosis	5
Atrial Fibrilation	8
Heart Failure	9
Chronic Obstructive Pulmonary Disease	9
Diabetes	16
Dementia	9
Cancer	8

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John R. Knudsen, MD treated as a general practitioner in Ferndale, WA during 2016 were lab tests.

Volume of procedures performed by Dr. John R. Knudsen, MD for Medicare patients.

doctor visit	569
lab tests	32

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Knudsen, MD.

**Gender**
Male	164
Female	133

**Ethnicity**
Non-Hispanic White	267
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	149
From 75 to 84	80
85 and over	38
Less than 65	30

Conditions of Medicare patients treated by Dr. John R. Knudsen, MD in 2016

Hypertension	45
High Cholesterol	31
Stroke	0
Ischemic Heart Disease	19
Depression	15
Chronic Kidney Disease	20
Asthma	11
Osteoperosis	5
Atrial Fibrilation	10
Heart Failure	11
Chronic Obstructive Pulmonary Disease	9
Diabetes	21
Dementia	7
Cancer	8

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John R. Knudsen, MD treated as a general practitioner in Ferndale, WA during 2017 were lab tests.

Volume of procedures performed by Dr. John R. Knudsen, MD for Medicare patients.

doctor visit	517
lab tests	26

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Knudsen, MD.

**Gender**
Male	148
Female	97

**Ethnicity**
Non-Hispanic White	216
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	132
From 75 to 84	64
85 and over	28
Less than 65	21

Conditions of Medicare patients treated by Dr. John R. Knudsen, MD in 2017

Hypertension	42
High Cholesterol	26
Stroke	0
Ischemic Heart Disease	19
Depression	12
Chronic Kidney Disease	19
Asthma	5
Osteoperosis	0
Atrial Fibrilation	8
Heart Failure	9
Chronic Obstructive Pulmonary Disease	9
Diabetes	17
Dementia	6
Cancer	7

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John R. Knudsen, MD treated as a general practitioner in Ferndale, WA during 2018 were lab tests and blood draw.

Volume of procedures performed by Dr. John R. Knudsen, MD for Medicare patients.

blood draw	13
doctor visit	475
lab tests	24

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Knudsen, MD.

**Gender**
Male	143
Female	111

**Ethnicity**
Non-Hispanic White	232
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	142
From 75 to 84	62
85 and over	28
Less than 65	22

Conditions of Medicare patients treated by Dr. John R. Knudsen, MD in 2018

Hypertension	39
High Cholesterol	25
Stroke	0
Ischemic Heart Disease	19
Depression	11
Chronic Kidney Disease	16
Asthma	0
Osteoperosis	0
Atrial Fibrilation	7
Heart Failure	7
Chronic Obstructive Pulmonary Disease	9
Diabetes	18
Dementia	5
Cancer	4

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John R. Knudsen, MD treated as a general practitioner in Ferndale, WA during 2019 were lab tests and blood draw.

Volume of procedures performed by Dr. John R. Knudsen, MD for Medicare patients.

blood draw	11
doctor visit	492
lab tests	30

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Knudsen, MD.

**Gender**
Male	120
Female	112

**Ethnicity**
Non-Hispanic White	210
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	118
From 75 to 84	66
85 and over	27
Less than 65	21

Conditions of Medicare patients treated by Dr. John R. Knudsen, MD in 2019

Hypertension	44
High Cholesterol	30
Stroke	0
Ischemic Heart Disease	25
Depression	10
Chronic Kidney Disease	22
Asthma	0
Osteoperosis	0
Atrial Fibrilation	12
Heart Failure	15
Chronic Obstructive Pulmonary Disease	11
Diabetes	19
Dementia	6
Cancer	8

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

Volume of procedures performed by Dr. John R. Knudsen, MD for Medicare patients.

doctor visit	386

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Knudsen, MD.

**Gender**
Male	90
Female	76

**Age**
From 65 to 74	87
From 75 to 84	46
85 and over	20
Less than 65	13

Conditions of Medicare patients treated by Dr. John R. Knudsen, MD in 2020

Hypertension	42
High Cholesterol	25
Stroke	0
Ischemic Heart Disease	23
Depression	12
Chronic Kidney Disease	22
Asthma	0
Osteoperosis	0
Atrial Fibrilation	9
Heart Failure	11
Chronic Obstructive Pulmonary Disease	0
Diabetes	20
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

Volume of procedures performed by Dr. John R. Knudsen, MD for Medicare patients.

doctor visit	398

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Knudsen, MD.

**Gender**
Male	73
Female	64

**Age**
From 65 to 74	73
From 75 to 84	38
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John R. Knudsen, MD in 2021

Hypertension	38
High Cholesterol	22
Stroke	0
Ischemic Heart Disease	26
Depression	8
Chronic Kidney Disease	22
Asthma	0
Osteoperosis	0
Atrial Fibrilation	14
Heart Failure	12
Chronic Obstructive Pulmonary Disease	9
Diabetes	20
Dementia	0
Cancer	9

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

Volume of procedures performed by Dr. John R. Knudsen, MD for Medicare patients.

doctor visit	550

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Knudsen, MD.

**Gender**
Male	93
Female	79

**Age**
From 65 to 74	83
From 75 to 84	61
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John R. Knudsen, MD in 2022

Hypertension	58
High Cholesterol	44
Stroke	0
Ischemic Heart Disease	23
Depression	7
Chronic Kidney Disease	15
Asthma	7
Osteoperosis	0
Atrial Fibrilation	19
Heart Failure	12
Chronic Obstructive Pulmonary Disease	11
Diabetes	22
Dementia	0
Cancer	12

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. John R. Knudsen, MD treated as a general practitioner in Ferndale, WA during 2023 were preventive care and vaccines.

Volume of procedures performed by Dr. John R. Knudsen, MD for Medicare patients.

doctor visit	551
preventive care	18
vaccines	18

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Knudsen, MD.

**Gender**
Male	93
Female	82

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

**Age**
From 65 to 74	83
From 75 to 84	63
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John R. Knudsen, MD in 2023

Hypertension	59
High Cholesterol	42
Stroke	0
Ischemic Heart Disease	20
Depression	7
Chronic Kidney Disease	19
Asthma	7
Osteoperosis	0
Atrial Fibrilation	19
Heart Failure	10
Chronic Obstructive Pulmonary Disease	10
Diabetes	23
Dementia	0
Cancer	13

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. John R. Knudsen, MD for Medicare patients.

The highest averages for the top procedures that Dr. John R. Knudsen, MD treated as a general practitioner in Ferndale, WA were lab tests, blood draw, preventive care and vaccines.

blood draw	19
doctor visit	533
lab tests	27
preventive care	15
vaccines	15

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. John R. Knudsen, MD.

**Gender**
Female	133
Male	140

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	213
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	76
85 and over	30
Less than 65	30
65 to 74	129

Average of Total of Conditions of Medicare patients treated by Dr. John R. Knudsen, MD From 2012 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. John R. Knudsen, MD treated were hypertension, high cholesterol, ischemic heart disease and diabetes.

Hypertension	41
High Cholesterol	28
Stroke	0
Ischemic Heart Disease	19
Depression	11
Chronic Kidney Disease	15
Asthma	4
Osteoporosis	1
Heart Failure	9
Chronic Obstructive Pulmonary Disease	7
Diabetes	17
Atrial Fibrillation	10
Dementia	3
Cancer	7

Education & Training

He has a state license in Washington.

Licensed In: Washington

Ratings & Reviews

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General Payments

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

**Payments by Company**
AstraZeneca Pharmaceuticals LP	$1,608 FARXIGA $475	SYMBICORT $446	CRESTOR $174	BEVESPI AEROSPHERE $174	BYDUREON $140	Other $199
Novo Nordisk Inc	$1,518 Victoza $598	Tresiba $287	Ozempic $268	NovoLog $193	Wegovy $119	Other $54
GlaxoSmithKline, LLC.	$1,035 SHINGRIX $316	TRELEGY ELLIPTA $310	TANZEUM $194	ANORO $60	BOOSTRIX $16	Other $139
Janssen Pharmaceuticals, Inc	$995 XARELTO $631	INVOKANA $355	$9
SANOFI-AVENTIS U.S. LLC	$842 TOUJEO $402	LANTUS $162	SOLIQUA $125	AFREZZA $117	TZIELD $35
Other	$3,892 JARDIANCE $374	Brintellix $345	AJOVY $310	AMITIZA $292	Osphena $231	Other $2,341

**Types of Payments**
Food and Beverage	$9,681
Education	$207
Consulting Fee	$3

Biography

Dr. John Knudsen is a general practice and emergency medicine specialist in Ferndale, WA. He is a graduate of the University of Washington School of Medicine.

Select Year:

Dr. John R. Knudsen, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. John R. Knudsen, MD in 2023

By Affordability:

By Affordability:

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. John R. Knudsen, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John R. Knudsen, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John R. Knudsen, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John R. Knudsen, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John R. Knudsen, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John R. Knudsen, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John R. Knudsen, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John R. Knudsen, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John R. Knudsen, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John R. Knudsen, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John R. Knudsen, MD 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. John R. Knudsen, MD From 2012 - 2023

Education & Training

Ratings & Reviews

General Payments

Biography

General Practitioners in Nearby Locations

Other Providers in Ferndale, WA