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Dr. David Charles Merz, MD, PHD

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Specializes in: Adult Infectious Disease

1414 W Fair Avenue Suite 344
Marquette, MI 49855

(906) 225-3910

Dr. David Charles Merz, MD, PHD is an adult infectious disease specialist in Portland, OR specializing in adult infectious disease.

Office Locations

10201 Se Main Street Suite 29
Portland, OR 97216

(503) 261-6028

(503) 261-6725

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1414 W Fair Avenue Suite 344
Marquette, MI 49855

(906) 225-3910

(906) 225-7498

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. David Charles Merz, MD, PHD treated as an adult infectious disease specialist in Portland, OR during 2012 were hospital care, inpatient care, hyperbaric oxygen (HBO) therapy and debridement (removal of unhealthy tissue).

Volume of procedures performed by Dr. David Charles Merz, MD, PHD for Medicare patients.

debridement (removal of unhealthy tissue)	49
doctor visit	468
excision	29
hospital care	664
hyperbaric oxygen (HBO) therapy	106
inpatient care	664

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. David Charles Merz, MD, PHD treated as an adult infectious disease specialist in Portland, OR during 2013 were hospital care and inpatient care.

Volume of procedures performed by Dr. David Charles Merz, MD, PHD for Medicare patients.

doctor visit	210
hospital care	711
inpatient care	711

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. David Charles Merz, MD, PHD.

**Gender**
Male	155
Female	142

**Ethnicity**
Non-Hispanic White	276
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	107
From 75 to 84	73
85 and over	24
Less than 65	93

Conditions of Medicare patients treated by Dr. David Charles Merz, MD, PHD in 2013

Hypertension	75
High Cholesterol	62
Stroke	6
Ischemic Heart Disease	57
Depression	45
Chronic Kidney Disease	54
Asthma	16
Osteoperosis	11
Atrial Fibrilation	18
Heart Failure	47
Chronic Obstructive Pulmonary Disease	41
Diabetes	51
Dementia	13
Cancer	11

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. David Charles Merz, MD, PHD treated as an adult infectious disease specialist in Portland, OR during 2014 were hospital care and inpatient care.

Volume of procedures performed by Dr. David Charles Merz, MD, PHD for Medicare patients.

doctor visit	291
hospital care	823
inpatient care	823

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. David Charles Merz, MD, PHD.

**Gender**
Male	167
Female	154

**Ethnicity**
Non-Hispanic White	305
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	118
From 75 to 84	74
85 and over	17
Less than 65	112

Conditions of Medicare patients treated by Dr. David Charles Merz, MD, PHD in 2014

Hypertension	74
High Cholesterol	57
Stroke	6
Ischemic Heart Disease	50
Depression	47
Chronic Kidney Disease	57
Asthma	18
Osteoperosis	10
Atrial Fibrilation	19
Heart Failure	42
Chronic Obstructive Pulmonary Disease	33
Diabetes	49
Dementia	12
Cancer	14

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. David Charles Merz, MD, PHD treated as an adult infectious disease specialist in Portland, OR during 2015 were hospital care and inpatient care.

Volume of procedures performed by Dr. David Charles Merz, MD, PHD for Medicare patients.

doctor visit	251
hospital care	665
inpatient care	665

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. David Charles Merz, MD, PHD.

**Gender**
Male	288
Female	252

**Ethnicity**
Non-Hispanic White	506
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	206
From 75 to 84	118
85 and over	56
Less than 65	160

Conditions of Medicare patients treated by Dr. David Charles Merz, MD, PHD in 2015

Hypertension	75
High Cholesterol	61
Stroke	7
Ischemic Heart Disease	53
Depression	44
Chronic Kidney Disease	56
Asthma	29
Osteoperosis	11
Atrial Fibrilation	17
Heart Failure	43
Chronic Obstructive Pulmonary Disease	35
Diabetes	53
Dementia	16
Cancer	13

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. David Charles Merz, MD, PHD treated as an adult infectious disease specialist in Portland, OR during 2016 were hospital care and inpatient care.

Volume of procedures performed by Dr. David Charles Merz, MD, PHD for Medicare patients.

doctor visit	249
hospital care	584
inpatient care	584

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. David Charles Merz, MD, PHD.

**Gender**
Male	143
Female	124

**Ethnicity**
Non-Hispanic White	242
Black	0
Hispanic	0
Asian	0
Other	0
Native American	13

**Age**
From 65 to 74	103
From 75 to 84	65
85 and over	24
Less than 65	75

Conditions of Medicare patients treated by Dr. David Charles Merz, MD, PHD in 2016

Hypertension	75
High Cholesterol	57
Stroke	7
Ischemic Heart Disease	50
Depression	42
Chronic Kidney Disease	63
Asthma	49
Osteoperosis	12
Atrial Fibrilation	18
Heart Failure	48
Chronic Obstructive Pulmonary Disease	46
Diabetes	48
Dementia	19
Cancer	11

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. David Charles Merz, MD, PHD treated as an adult infectious disease specialist in Portland, OR during 2017 were hospital care and inpatient care.

Volume of procedures performed by Dr. David Charles Merz, MD, PHD for Medicare patients.

hospital care	135
inpatient care	135

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. David Charles Merz, MD, PHD.

**Gender**
Male	30
Female	21

**Age**
From 65 to 74	20
From 75 to 84	12
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. David Charles Merz, MD, PHD in 2017

Hypertension	75
High Cholesterol	55
Stroke	0
Ischemic Heart Disease	45
Depression	43
Chronic Kidney Disease	69
Asthma	0
Osteoperosis	0
Atrial Fibrilation	24
Heart Failure	43
Chronic Obstructive Pulmonary Disease	37
Diabetes	49
Dementia	27
Cancer	0

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. David Charles Merz, MD, PHD treated as an adult infectious disease specialist in Portland, OR during 2018 were hospital care and inpatient care.

Volume of procedures performed by Dr. David Charles Merz, MD, PHD for Medicare patients.

hospital care	75
inpatient care	75

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. David Charles Merz, MD, PHD.

**Gender**
Male	16
Female	17

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

Conditions of Medicare patients treated by Dr. David Charles Merz, MD, PHD in 2018

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	61
Depression	39
Chronic Kidney Disease	64
Asthma	0
Osteoperosis	0
Atrial Fibrilation	33
Heart Failure	45
Chronic Obstructive Pulmonary Disease	36
Diabetes	52
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. David Charles Merz, MD, PHD treated as an adult infectious disease specialist in Portland, OR during 2019 were hospital care and inpatient care.

Volume of procedures performed by Dr. David Charles Merz, MD, PHD for Medicare patients.

doctor visit	24
hospital care	355
inpatient care	355

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. David Charles Merz, MD, PHD.

**Gender**
Male	74
Female	51

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

**Age**
From 65 to 74	57
From 75 to 84	27
85 and over	14
Less than 65	27

Conditions of Medicare patients treated by Dr. David Charles Merz, MD, PHD in 2019

Hypertension	75
High Cholesterol	64
Stroke	9
Ischemic Heart Disease	49
Depression	50
Chronic Kidney Disease	70
Asthma	14
Osteoperosis	14
Atrial Fibrilation	22
Heart Failure	50
Chronic Obstructive Pulmonary Disease	41
Diabetes	39
Dementia	28
Cancer	20

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. David Charles Merz, MD, PHD treated as an adult infectious disease specialist in Portland, OR during 2020 were hospital care and inpatient care.

Volume of procedures performed by Dr. David Charles Merz, MD, PHD for Medicare patients.

doctor visit	20
hospital care	624
inpatient care	624

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. David Charles Merz, MD, PHD.

**Gender**
Male	106
Female	72

**Ethnicity**
Non-Hispanic White	167
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	58
From 75 to 84	51
85 and over	29
Less than 65	40

Conditions of Medicare patients treated by Dr. David Charles Merz, MD, PHD in 2020

Hypertension	75
High Cholesterol	66
Stroke	6
Ischemic Heart Disease	51
Depression	44
Chronic Kidney Disease	67
Asthma	18
Osteoperosis	14
Atrial Fibrilation	20
Heart Failure	42
Chronic Obstructive Pulmonary Disease	31
Diabetes	48
Dementia	27
Cancer	19

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. David Charles Merz, MD, PHD treated as an adult infectious disease specialist in Portland, OR during 2021 were hospital care and inpatient care.

Volume of procedures performed by Dr. David Charles Merz, MD, PHD for Medicare patients.

hospital care	42
inpatient care	42

Conditions of Medicare patients treated by Dr. David Charles Merz, MD, PHD in 2021

Hypertension	75
High Cholesterol	60
Stroke	0
Ischemic Heart Disease	65
Depression	0
Chronic Kidney Disease	75
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. David Charles Merz, MD, PHD treated as an adult infectious disease specialist in Portland, OR during 2022 were hospital care and inpatient care.

Volume of procedures performed by Dr. David Charles Merz, MD, PHD for Medicare patients.

hospital care	75
inpatient care	75

Conditions of Medicare patients treated by Dr. David Charles Merz, MD, PHD in 2022

Hypertension	75
High Cholesterol	57
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	62
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

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. David Charles Merz, MD, PHD for Medicare patients.

The highest averages for the top procedures that Dr. David Charles Merz, MD, PHD treated as an adult infectious disease specialist in Portland, OR were hospital care, inpatient care, debridement (removal of unhealthy tissue) and excision.

debridement (removal of unhealthy tissue)	49
doctor visit	216
excision	29
hospital care	432
inpatient care	432

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. David Charles Merz, MD, PHD.

**Gender**
Male	89
Female	75

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	145
Hispanic	0
Native American / Alaskan Native	1
Other	0

**Age**
75 to 84	38
85 and over	14
Less than 65	46
65 to 74	62

Average of Total of Conditions of Medicare patients treated by Dr. David Charles Merz, MD, PHD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. David Charles Merz, MD, PHD treated were hypertension, chronic kidney disease, high cholesterol and ischemic heart disease.

Hypertension	68
High Cholesterol	55
Stroke	3
Ischemic Heart Disease	43
Depression	32
Chronic Kidney Disease	57
Asthma	13
Osteoporosis	6
Heart Failure	32
Chronic Obstructive Pulmonary Disease	27
Diabetes	35
Atrial Fibrillation	15
Cancer	8
Dementia	12

Education & Training

He has a state license in Oregon.

Licensed In: Oregon

Ratings & Reviews

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General Payments

These charts describe general payments received by Dr. David Charles Merz, MD, PHD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Theravance Biopharma Inc.	$2,722 VIBATIV $2,722
Janssen Pharmaceuticals, Inc	$222 XARELTO $117	INVOKANA $106
CSL Behring	$206 Hizentra $206
Merck Sharp & Dohme Corporation	$186 ZERBAXA $104	ZEPATIER $66	NON-PRODUCT $11	INVANZ $6
Astellas Pharma US Inc	$150 AmBisome $33	Vesicare $17	$100
Other	$1,013 Viekira $117	SLS IIGLIDELIGHT $111	Actemra $83	VAC VERAFLO $80	DIFICID $41	Other $580

**Types of Payments**
Food and Beverage	$1,796
Honoraria	$1,500
Travel and Lodging	$1,103
Education	$100

Biography

Dr. David Merz obtained a license to practice in South Carolina.

Select Year:

Dr. David Charles Merz, MD, PHD

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. David Charles Merz, MD, PHD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David Charles Merz, MD, PHD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David Charles Merz, MD, PHD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David Charles Merz, MD, PHD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David Charles Merz, MD, PHD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David Charles Merz, MD, PHD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David Charles Merz, MD, PHD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David Charles Merz, MD, PHD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

Conditions of Medicare patients treated by Dr. David Charles Merz, MD, PHD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

Conditions of Medicare patients treated by Dr. David Charles Merz, MD, PHD in 2022

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Average Medicare Patient Data From 2012 - 2022

Average of Total of Conditions of Medicare patients treated by Dr. David Charles Merz, MD, PHD From 2012 - 2022

Education & Training

Ratings & Reviews

General Payments

Biography

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