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Dr. David Michael Byrens, MD

Accepting New Patients

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Specializes in: Family Medicine

University of Michigan Medical School (1984)

215 E Mansion Street Suite 2f
Marshall, MI 49068

(269) 781-2111

Dr. David Michael Byrens, MD is a family medicine practitioner in Marshall, MI specializing in family medicine. He graduated from University of Michigan Medical School in 1984 and has 42 years of experience. Dr. David Michael Byrens, MD is affiliated with ELLA E.M. BROWN CHARITABLE CIRCLE DBA OAKLAWN HOSPITAL.

Office Locations

215 E Mansion Street Suite 2f
Marshall, MI 49068

(269) 781-2111

(269) 781-3181

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Noteworthy Medicare Patient Procedures Performed by Dr. David Michael Byrens, MD in 2023

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

Top 5%

By Volume:

urinalysis

Welcome to Medicare visit

In 2023, Dr. David Michael Byrens, MD performed more urinalysis, and Welcome to Medicare visit (initial preventive physical exam) procedures for Medicare patients than 95% of providers in related specialties within Michigan.

Top 10%

By Volume:

lab tests

In 2023, Dr. David Michael Byrens, MD performed more lab tests procedures for Medicare patients than 90% of providers in related specialties within Michigan.

Top 25%

By Volume:

A1C test

preventive care

In 2012, Dr. David Michael Byrens, MD performed more A1C test, and preventive care procedures for Medicare patients than 75% of providers in related specialties within Michigan.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. David Michael Byrens, MD treated as a family medicine practitioner in Marshall, MI during 2012 were nursing home care, preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. David Michael Byrens, MD for Medicare patients.

aspiration	15
diabetes management	24
diagnostic procedures	11
doctor visit	915
ear procedures	17
hospital care	63
injections	15
inpatient care	63
lab tests	125
nursing home care	191
preventive care	152
removal of lesion (e.g. growth)	15
skin procedures	15
vaccines	128

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. David Michael Byrens, MD treated as a family medicine practitioner in Marshall, MI during 2013 were lab tests, nursing home care, preventive care and vaccines.

Volume of procedures performed by Dr. David Michael Byrens, MD for Medicare patients.

aspiration	12
diabetes management	20
doctor visit	993
ear procedures	17
hospital care	73
injections	12
inpatient care	73
lab tests	259
nursing home care	240
preventive care	190
vaccines	170

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. David Michael Byrens, MD.

**Gender**
Male	147
Female	211

**Age**
From 65 to 74	173
From 75 to 84	90
85 and over	59
Less than 65	36

Conditions of Medicare patients treated by Dr. David Michael Byrens, MD in 2013

Hypertension	61
High Cholesterol	35
Stroke	6
Ischemic Heart Disease	26
Depression	21
Chronic Kidney Disease	20
Asthma	5
Osteoperosis	4
Atrial Fibrilation	11
Heart Failure	16
Chronic Obstructive Pulmonary Disease	15
Diabetes	26
Dementia	18
Cancer	8

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. David Michael Byrens, MD treated as a family medicine practitioner in Marshall, MI during 2014 were lab tests, nursing home care, preventive care and vaccines.

Volume of procedures performed by Dr. David Michael Byrens, MD for Medicare patients.

aspiration	18
diabetes management	35
diagnostic procedures	11
doctor visit	1024
ear procedures	14
hospital care	84
injections	18
inpatient care	73
lab tests	268
nursing home care	249
outpatient care	11
preventive care	172
vaccines	137

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. David Michael Byrens, MD.

**Gender**
Male	152
Female	199

**Age**
From 65 to 74	167
From 75 to 84	84
85 and over	62
Less than 65	38

Conditions of Medicare patients treated by Dr. David Michael Byrens, MD in 2014

Hypertension	66
High Cholesterol	38
Stroke	4
Ischemic Heart Disease	26
Depression	23
Chronic Kidney Disease	20
Asthma	4
Osteoperosis	6
Atrial Fibrilation	10
Heart Failure	17
Chronic Obstructive Pulmonary Disease	17
Diabetes	26
Dementia	18
Cancer	8

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. David Michael Byrens, MD treated as a family medicine practitioner in Marshall, MI during 2015 were preventive care, lab tests, vaccines and nursing home care.

Volume of procedures performed by Dr. David Michael Byrens, MD for Medicare patients.

aspiration	16
diabetes management	50
doctor visit	1108
ear procedures	13
hospital care	77
injections	16
inpatient care	77
lab tests	237
nursing home care	186
preventive care	279
vaccines	216

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. David Michael Byrens, MD.

**Gender**
Male	330
Female	396

**Ethnicity**
Non-Hispanic White	704
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	350
From 75 to 84	168
85 and over	108
Less than 65	100

Conditions of Medicare patients treated by Dr. David Michael Byrens, MD in 2015

Hypertension	56
High Cholesterol	31
Stroke	6
Ischemic Heart Disease	26
Depression	24
Chronic Kidney Disease	20
Asthma	9
Osteoperosis	5
Atrial Fibrilation	9
Heart Failure	15
Chronic Obstructive Pulmonary Disease	15
Diabetes	27
Dementia	13
Cancer	7

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. David Michael Byrens, MD treated as a family medicine practitioner in Marshall, MI during 2016 were lab tests, preventive care, vaccines and nursing home care.

Volume of procedures performed by Dr. David Michael Byrens, MD for Medicare patients.

aspiration	21
diabetes management	92
diagnostic procedures	21
doctor visit	1081
injections	21
lab tests	459
nursing home care	163
preventive care	384
vaccines	275

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. David Michael Byrens, MD.

**Gender**
Male	171
Female	197

**Ethnicity**
Non-Hispanic White	356
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	174
From 75 to 84	103
85 and over	48
Less than 65	43

Conditions of Medicare patients treated by Dr. David Michael Byrens, MD in 2016

Hypertension	58
High Cholesterol	34
Stroke	5
Ischemic Heart Disease	25
Depression	23
Chronic Kidney Disease	23
Asthma	17
Osteoperosis	4
Atrial Fibrilation	8
Heart Failure	13
Chronic Obstructive Pulmonary Disease	13
Diabetes	25
Dementia	11
Cancer	7

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. David Michael Byrens, MD treated as a family medicine practitioner in Marshall, MI during 2017 were lab tests, preventive care, vaccines and diabetes management.

Volume of procedures performed by Dr. David Michael Byrens, MD for Medicare patients.

aspiration	23
blood draw	89
diabetes management	105
diagnostic procedures	12
doctor visit	1066
injections	23
lab tests	556
preventive care	363
removal of lesion (e.g. growth)	26
skin procedures	26
vaccines	238

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. David Michael Byrens, MD.

**Gender**
Male	167
Female	185

**Age**
From 65 to 74	184
From 75 to 84	88
85 and over	39
Less than 65	41

Conditions of Medicare patients treated by Dr. David Michael Byrens, MD in 2017

Hypertension	56
High Cholesterol	29
Stroke	0
Ischemic Heart Disease	22
Depression	24
Chronic Kidney Disease	22
Asthma	4
Osteoperosis	5
Atrial Fibrilation	8
Heart Failure	13
Chronic Obstructive Pulmonary Disease	16
Diabetes	21
Dementia	11
Cancer	4

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. David Michael Byrens, MD treated as a family medicine practitioner in Marshall, MI during 2018 were lab tests, preventive care, vaccines and diabetes management.

Volume of procedures performed by Dr. David Michael Byrens, MD for Medicare patients.

aspiration	31
blood draw	93
diabetes management	138
diagnostic procedures	12
doctor visit	1076
injections	31
lab tests	594
preventive care	392
removal of lesion (e.g. growth)	35
skin procedures	35
vaccines	232

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. David Michael Byrens, MD.

**Gender**
Male	170
Female	185

**Ethnicity**
Non-Hispanic White	344
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	190
From 75 to 84	85
85 and over	42
Less than 65	38

Conditions of Medicare patients treated by Dr. David Michael Byrens, MD in 2018

Hypertension	54
High Cholesterol	38
Stroke	0
Ischemic Heart Disease	22
Depression	23
Chronic Kidney Disease	21
Asthma	0
Osteoperosis	4
Atrial Fibrilation	8
Heart Failure	12
Chronic Obstructive Pulmonary Disease	15
Diabetes	21
Dementia	11
Cancer	6

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. David Michael Byrens, MD treated as a family medicine practitioner in Marshall, MI during 2019 were lab tests, preventive care, vaccines and diabetes management.

Volume of procedures performed by Dr. David Michael Byrens, MD for Medicare patients.

aspiration	30
blood draw	76
diabetes management	141
doctor visit	1070
injections	30
lab tests	578
preventive care	327
removal of lesion (e.g. growth)	33
skin procedures	33
vaccines	163

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. David Michael Byrens, MD.

**Gender**
Male	174
Female	183

**Ethnicity**
Non-Hispanic White	346
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	199
From 75 to 84	80
85 and over	45
Less than 65	33

Conditions of Medicare patients treated by Dr. David Michael Byrens, MD in 2019

Hypertension	58
High Cholesterol	45
Stroke	4
Ischemic Heart Disease	23
Depression	27
Chronic Kidney Disease	21
Asthma	5
Osteoperosis	6
Atrial Fibrilation	10
Heart Failure	11
Chronic Obstructive Pulmonary Disease	14
Diabetes	20
Dementia	10
Cancer	4

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. David Michael Byrens, MD treated as a family medicine practitioner in Marshall, MI during 2020 were lab tests, preventive care, vaccines and diabetes management.

Volume of procedures performed by Dr. David Michael Byrens, MD for Medicare patients.

aspiration	21
diabetes management	108
doctor visit	882
injections	21
lab tests	453
preventive care	273
removal of lesion (e.g. growth)	28
skin procedures	28
vaccines	150

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. David Michael Byrens, MD.

**Gender**
Male	170
Female	174

**Age**
From 65 to 74	192
From 75 to 84	81
85 and over	42
Less than 65	29

Conditions of Medicare patients treated by Dr. David Michael Byrens, MD in 2020

Hypertension	58
High Cholesterol	49
Stroke	0
Ischemic Heart Disease	23
Depression	27
Chronic Kidney Disease	22
Asthma	7
Osteoperosis	3
Atrial Fibrilation	10
Heart Failure	12
Chronic Obstructive Pulmonary Disease	12
Diabetes	22
Dementia	10
Cancer	7

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. David Michael Byrens, MD treated as a family medicine practitioner in Marshall, MI during 2021 were lab tests, preventive care, diabetes management and vaccines.

Volume of procedures performed by Dr. David Michael Byrens, MD for Medicare patients.

aspiration	32
diabetes management	101
doctor visit	953
injections	32
lab tests	305
preventive care	166
removal of lesion (e.g. growth)	13
skin procedures	13
vaccines	37

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. David Michael Byrens, MD.

**Gender**
Male	177
Female	182

**Ethnicity**
Non-Hispanic White	345
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	207
From 75 to 84	84
85 and over	35
Less than 65	33

Conditions of Medicare patients treated by Dr. David Michael Byrens, MD in 2021

Hypertension	54
High Cholesterol	45
Stroke	0
Ischemic Heart Disease	23
Depression	24
Chronic Kidney Disease	17
Asthma	5
Osteoperosis	5
Atrial Fibrilation	8
Heart Failure	10
Chronic Obstructive Pulmonary Disease	11
Diabetes	19
Dementia	8
Cancer	5

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. David Michael Byrens, MD treated as a family medicine practitioner in Marshall, MI during 2022 were lab tests, preventive care, diabetes management and aspiration.

Volume of procedures performed by Dr. David Michael Byrens, MD for Medicare patients.

aspiration	32
diabetes management	106
doctor visit	963
injections	32
lab tests	314
preventive care	123

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. David Michael Byrens, MD.

**Gender**
Male	154
Female	162

**Age**
From 65 to 74	182
From 75 to 84	80
85 and over	33
Less than 65	21

Conditions of Medicare patients treated by Dr. David Michael Byrens, MD in 2022

Hypertension	66
High Cholesterol	67
Stroke	4
Ischemic Heart Disease	19
Depression	26
Chronic Kidney Disease	18
Asthma	9
Osteoperosis	11
Atrial Fibrilation	15
Heart Failure	10
Chronic Obstructive Pulmonary Disease	13
Diabetes	20
Dementia	5
Cancer	9

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. David Michael Byrens, MD for Medicare patients.

The highest averages for the top procedures that Dr. David Michael Byrens, MD treated as a family medicine practitioner in Marshall, MI were lab tests, preventive care, nursing home care and vaccines.

aspiration	22
blood draw	86
diabetes management	83
diagnostic procedures	13
doctor visit	1011
ear procedures	15
hospital care	74
injections	22
inpatient care	71
lab tests	377
nursing home care	205
outpatient care	11
preventive care	256
removal of lesion (e.g. growth)	25
skin procedures	25
vaccines	174

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. David Michael Byrens, MD.

**Gender**
Male	164
Female	188

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	190
Hispanic	0
Native American / Alaskan Native	0
Other	0

**Age**
75 to 84	85
85 and over	46
Less than 65	37
65 to 74	183

Average of Total of Conditions of Medicare patients treated by Dr. David Michael Byrens, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. David Michael Byrens, MD treated were hypertension, high cholesterol, depression and ischemic heart disease.

Hypertension	53
High Cholesterol	37
Stroke	2
Ischemic Heart Disease	21
Depression	22
Chronic Kidney Disease	18
Asthma	5
Osteoporosis	4
Heart Failure	11
Chronic Obstructive Pulmonary Disease	12
Diabetes	20
Atrial Fibrillation	8
Cancer	5
Dementia	10

Education & Training

Dr. David Michael Byrens, MD graduated from University of Michigan Medical School in 1984. He completed residency at St Mary's Mercy Med Center. He is certified by the American Board of Family Medicine and has a state license in Michigan.

Medical School: University of Michigan Medical School (1984)

Residency: St Mary's Mercy Med Center

Board Certification: American Board of Family Medicine

Licensed In: Michigan

Affiliations & Hospitals

Dr. David Michael Byrens, MD is associated with these hospitals and organizations:

ELLA E.M. BROWN CHARITABLE CIRCLE DBA OAKLAWN HOSPITAL

Ratings & Reviews

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General Payments

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

**Payments by Company**
AstraZeneca Pharmaceuticals LP	$1,068 FARXIGA $299	SYMBICORT $154	SEROQUEL XR $83	BYDUREON $78	DALIRESP $61	Other $394
Novo Nordisk Inc	$1,033 Victoza $216	Saxenda $199	Ozempic $199	Tresiba $182	NovoLog $56	Other $180
Pfizer Inc.	$941 COLOGUARD $292	COLOGUARD DNA CAPTURE REAGENTS $84	ELIQUIS $81	CHANTIX $78	EUCRISA $55	Other $351
GlaxoSmithKline, LLC.	$742 FLOVENT $146	TRELEGY ELLIPTA $137	BREO $107	SHINGRIX $76	ANORO $75	Other $201
Supernus Pharmaceuticals, Inc.	$647 TROKENDI XR $454	QELBREE $58	$135
Other	$8,123 VRAYLAR $443	XARELTO $363	Vascepa $292	Vesicare $259	UBRELVY $253	Other $6,512

**Types of Payments**
Food and Beverage	$12,161
Education	$395

Biography

Dr. David Byrens specializes in family medicine. He graduated from the University of Michigan Medical School. Dr. Byrens's practice in MARSHALL, MI is open to new patients as reported by Doctor.com.

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Dr. David Michael Byrens, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. David Michael Byrens, MD in 2023

By Volume:

By Volume:

By Volume:

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 Michael Byrens, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David Michael Byrens, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David Michael Byrens, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David Michael Byrens, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David Michael Byrens, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David Michael Byrens, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David Michael Byrens, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David Michael Byrens, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David Michael Byrens, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David Michael Byrens, MD 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 Michael Byrens, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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