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Dr. Warren B. Fields, MD

(Dr. Warren Bradley Fields, M.D.)

(No ratings)

Specializes in: Adult Pulmonology and Adult Critical Care

Indiana University School of Medicine (2000)

30701 Woodward Avenue Suite 200
Royal Oak, MI 48073

(248) 548-2114

Dr. Warren B. Fields, MD is a pulmonologist in Royal Oak, MI specializing in adult pulmonology and adult critical care. He graduated from Indiana University School of Medicine in 2000 and has 26 years of experience. Dr. Warren B. Fields, MD is affiliated with GREENBERGER WU DUNN AND FIELDS PLLC.

Office Locations

30701 Woodward Avenue Suite 200
Royal Oak, MI 48073

(248) 548-2114

(248) 548-2135

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Noteworthy Medicare Patient Procedures Performed by Dr. Warren B. Fields, MD in 2023

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

Top 5%

By Volume:

inpatient hospital care

pulmonary function test

In 2023, Dr. Warren B. Fields, MD performed more inpatient hospital care (for patient admitted to hospital), and pulmonary function test (PFT) procedures for Medicare patients than 95% of providers in related specialties within Michigan.

Top 10%

By Affordability:

bronchoscopy

In 2023, Dr. Warren B. Fields, MD had a list price for bronchoscopy that was lower than the list prices billed to Medicare by 90% of providers in related specialties within Michigan. 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:

bronchoalveolar lavage

pleural drainage

thoracentesis

In 2012, Dr. Warren B. Fields, MD had a list price for bronchoalveolar lavage (BAL), pleural drainage, and thoracentesis that was lower than the list prices billed to Medicare by 75% of providers in related specialties within Michigan. 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. Warren B. Fields, MD treated as a pulmonologist in Royal Oak, MI during 2012 were hospital care, inpatient care, pulmonary testing and pleural drainage.

Volume of procedures performed by Dr. Warren B. Fields, MD for Medicare patients.

aspiration	33
doctor visit	414
hospital care	2724
inpatient care	2724
pleural drainage	33
pulmonary testing	234

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Warren B. Fields, MD treated as a pulmonologist in Royal Oak, MI during 2013 were hospital care, inpatient care, pulmonary testing and thoracostomy.

Volume of procedures performed by Dr. Warren B. Fields, MD for Medicare patients.

doctor visit	483
hospital care	2731
inpatient care	2731
minimally invasive procedures	16
pleural drainage	16
pulmonary testing	304
thoracostomy	16

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Warren B. Fields, MD.

**Gender**
Male	303
Female	347

**Ethnicity**
Non-Hispanic White	539
Black	91
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	206
From 75 to 84	235
85 and over	147
Less than 65	62

Conditions of Medicare patients treated by Dr. Warren B. Fields, MD in 2013

Hypertension	75
High Cholesterol	72
Stroke	10
Ischemic Heart Disease	75
Depression	33
Chronic Kidney Disease	55
Asthma	34
Osteoperosis	11
Atrial Fibrilation	34
Heart Failure	63
Chronic Obstructive Pulmonary Disease	65
Diabetes	47
Dementia	23
Cancer	24

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Warren B. Fields, MD treated as a pulmonologist in Royal Oak, MI during 2014 were hospital care, inpatient care, pulmonary testing and thoracostomy.

Volume of procedures performed by Dr. Warren B. Fields, MD for Medicare patients.

doctor visit	491
hospital care	2062
inpatient care	2062
minimally invasive procedures	14
pleural drainage	14
pulmonary testing	299
thoracostomy	14

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Warren B. Fields, MD.

**Gender**
Male	294
Female	343

**Ethnicity**
Non-Hispanic White	530
Black	90
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	205
From 75 to 84	218
85 and over	148
Less than 65	66

Conditions of Medicare patients treated by Dr. Warren B. Fields, MD in 2014

Hypertension	75
High Cholesterol	73
Stroke	11
Ischemic Heart Disease	72
Depression	31
Chronic Kidney Disease	54
Asthma	25
Osteoperosis	12
Atrial Fibrilation	36
Heart Failure	58
Chronic Obstructive Pulmonary Disease	62
Diabetes	47
Dementia	21
Cancer	25

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Warren B. Fields, MD treated as a pulmonologist in Royal Oak, MI during 2015 were hospital care, inpatient care, pulmonary testing and thoracostomy.

Volume of procedures performed by Dr. Warren B. Fields, MD for Medicare patients.

doctor visit	519
hospital care	2255
inpatient care	2255
minimally invasive procedures	18
pleural drainage	18
pulmonary testing	285
thoracostomy	18

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Warren B. Fields, MD.

**Gender**
Male	550
Female	722

**Ethnicity**
Non-Hispanic White	1062
Black	168
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	380
From 75 to 84	436
85 and over	312
Less than 65	144

Conditions of Medicare patients treated by Dr. Warren B. Fields, MD in 2015

Hypertension	75
High Cholesterol	72
Stroke	14
Ischemic Heart Disease	72
Depression	35
Chronic Kidney Disease	56
Asthma	49
Osteoperosis	12
Atrial Fibrilation	37
Heart Failure	58
Chronic Obstructive Pulmonary Disease	66
Diabetes	45
Dementia	20
Cancer	25

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Warren B. Fields, MD treated as a pulmonologist in Royal Oak, MI during 2016 were hospital care, inpatient care, pulmonary testing and thoracostomy.

Volume of procedures performed by Dr. Warren B. Fields, MD for Medicare patients.

doctor visit	601
hospital care	1781
inpatient care	1781
minimally invasive procedures	20
pleural drainage	20
pulmonary testing	359
thoracostomy	20

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Warren B. Fields, MD.

**Gender**
Male	257
Female	355

**Ethnicity**
Non-Hispanic White	526
Black	64
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	222
From 75 to 84	192
85 and over	137
Less than 65	61

Conditions of Medicare patients treated by Dr. Warren B. Fields, MD in 2016

Hypertension	75
High Cholesterol	73
Stroke	11
Ischemic Heart Disease	69
Depression	32
Chronic Kidney Disease	56
Asthma	64
Osteoperosis	15
Atrial Fibrilation	30
Heart Failure	53
Chronic Obstructive Pulmonary Disease	59
Diabetes	43
Dementia	23
Cancer	25

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Warren B. Fields, MD treated as a pulmonologist in Royal Oak, MI during 2017 were hospital care, inpatient care, pulmonary testing and thoracostomy.

Volume of procedures performed by Dr. Warren B. Fields, MD for Medicare patients.

bronchoscopy	12
doctor visit	626
hospital care	2132
inpatient care	2132
minimally invasive procedures	22
pleural drainage	22
pulmonary testing	397
thoracostomy	22

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Warren B. Fields, MD.

**Gender**
Male	289
Female	396

**Ethnicity**
Non-Hispanic White	587
Black	76
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	227
From 75 to 84	232
85 and over	153
Less than 65	73

Conditions of Medicare patients treated by Dr. Warren B. Fields, MD in 2017

Hypertension	75
High Cholesterol	67
Stroke	13
Ischemic Heart Disease	68
Depression	36
Chronic Kidney Disease	61
Asthma	26
Osteoperosis	15
Atrial Fibrilation	31
Heart Failure	57
Chronic Obstructive Pulmonary Disease	61
Diabetes	42
Dementia	28
Cancer	23

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Warren B. Fields, MD treated as a pulmonologist in Royal Oak, MI during 2018 were hospital care, inpatient care, pulmonary testing and bronchoscopy.

Volume of procedures performed by Dr. Warren B. Fields, MD for Medicare patients.

bronchoscopy	13
doctor visit	562
hospital care	2218
inpatient care	2218
minimally invasive procedures	11
pleural drainage	11
pulmonary testing	364
thoracostomy	11

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Warren B. Fields, MD.

**Gender**
Male	314
Female	367

**Ethnicity**
Non-Hispanic White	580
Black	82
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	220
From 75 to 84	209
85 and over	179
Less than 65	73

Conditions of Medicare patients treated by Dr. Warren B. Fields, MD in 2018

Hypertension	75
High Cholesterol	74
Stroke	13
Ischemic Heart Disease	68
Depression	35
Chronic Kidney Disease	64
Asthma	22
Osteoperosis	14
Atrial Fibrilation	32
Heart Failure	59
Chronic Obstructive Pulmonary Disease	62
Diabetes	42
Dementia	32
Cancer	23

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Warren B. Fields, MD treated as a pulmonologist in Royal Oak, MI during 2019 were hospital care, inpatient care, pulmonary testing and pleural drainage.

Volume of procedures performed by Dr. Warren B. Fields, MD for Medicare patients.

aspiration	23
doctor visit	692
hospital care	2081
inpatient care	2060
outpatient care	21
pleural drainage	23
pulmonary testing	483

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Warren B. Fields, MD.

**Gender**
Male	318
Female	427

**Ethnicity**
Non-Hispanic White	603
Black	108
Hispanic	0
Asian	0
Other	20
Native American	0

**Age**
From 65 to 74	273
From 75 to 84	239
85 and over	150
Less than 65	83

Conditions of Medicare patients treated by Dr. Warren B. Fields, MD in 2019

Hypertension	75
High Cholesterol	72
Stroke	13
Ischemic Heart Disease	68
Depression	35
Chronic Kidney Disease	63
Asthma	24
Osteoperosis	15
Atrial Fibrilation	32
Heart Failure	57
Chronic Obstructive Pulmonary Disease	56
Diabetes	43
Dementia	30
Cancer	22

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Warren B. Fields, MD treated as a pulmonologist in Royal Oak, MI during 2020 were hospital care, inpatient care, pulmonary testing and outpatient care.

Volume of procedures performed by Dr. Warren B. Fields, MD for Medicare patients.

aspiration	13
doctor visit	581
hospital care	1609
inpatient care	1594
outpatient care	15
pleural drainage	13
pulmonary testing	360

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Warren B. Fields, MD.

**Gender**
Male	271
Female	322

**Ethnicity**
Non-Hispanic White	485
Black	82
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	195
From 75 to 84	218
85 and over	106
Less than 65	74

Conditions of Medicare patients treated by Dr. Warren B. Fields, MD in 2020

Hypertension	75
High Cholesterol	73
Stroke	13
Ischemic Heart Disease	66
Depression	38
Chronic Kidney Disease	64
Asthma	25
Osteoperosis	11
Atrial Fibrilation	28
Heart Failure	54
Chronic Obstructive Pulmonary Disease	51
Diabetes	42
Dementia	29
Cancer	17

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Warren B. Fields, MD treated as a pulmonologist in Royal Oak, MI during 2021 were hospital care, inpatient care and pulmonary testing.

Volume of procedures performed by Dr. Warren B. Fields, MD for Medicare patients.

doctor visit	590
hospital care	1697
inpatient care	1697
pulmonary testing	448

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Warren B. Fields, MD.

**Gender**
Male	260
Female	338

**Ethnicity**
Non-Hispanic White	496
Black	73
Hispanic	0
Asian	12
Other	17
Native American	0

**Age**
From 65 to 74	215
From 75 to 84	192
85 and over	123
Less than 65	68

Conditions of Medicare patients treated by Dr. Warren B. Fields, MD in 2021

Hypertension	75
High Cholesterol	71
Stroke	12
Ischemic Heart Disease	64
Depression	33
Chronic Kidney Disease	61
Asthma	21
Osteoperosis	15
Atrial Fibrilation	31
Heart Failure	48
Chronic Obstructive Pulmonary Disease	47
Diabetes	40
Dementia	29
Cancer	20

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Warren B. Fields, MD treated as a pulmonologist in Royal Oak, MI during 2022 were hospital care, inpatient care and pulmonary testing.

Volume of procedures performed by Dr. Warren B. Fields, MD for Medicare patients.

doctor visit	599
hospital care	1635
inpatient care	1635
pulmonary testing	443

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Warren B. Fields, MD.

**Gender**
Male	244
Female	308

**Ethnicity**
Non-Hispanic White	457
Black	64
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	202
From 75 to 84	195
85 and over	104
Less than 65	51

Conditions of Medicare patients treated by Dr. Warren B. Fields, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	19
Ischemic Heart Disease	61
Depression	36
Chronic Kidney Disease	43
Asthma	29
Osteoperosis	17
Atrial Fibrilation	39
Heart Failure	46
Chronic Obstructive Pulmonary Disease	56
Diabetes	40
Dementia	18
Cancer	28

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Warren B. Fields, MD for Medicare patients.

The highest averages for the top procedures that Dr. Warren B. Fields, MD treated as a pulmonologist in Royal Oak, MI were hospital care, inpatient care, pulmonary testing and aspiration.

aspiration	23
bronchoscopy	12
doctor visit	559
hospital care	2084
inpatient care	2080
minimally invasive procedures	16
outpatient care	18
pleural drainage	18
pulmonary testing	361
thoracostomy	16

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Warren B. Fields, MD.

**Gender**
Male	281
Female	356

**Ethnicity**
Black / African American	81
Asian / Pacific Islander	1
Non-Hispanic White	533
Native American / Alaskan Native	0
Hispanic	0
Other	3

**Age**
75 to 84	215
85 and over	141
Less than 65	68
65 to 74	213

Average of Total of Conditions of Medicare patients treated by Dr. Warren B. Fields, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Warren B. Fields, MD treated were hypertension, high cholesterol, ischemic heart disease and chronic kidney disease.

Hypertension	68
High Cholesterol	65
Stroke	11
Ischemic Heart Disease	62
Depression	31
Chronic Kidney Disease	52
Asthma	29
Osteoporosis	12
Heart Failure	50
Chronic Obstructive Pulmonary Disease	53
Diabetes	39
Atrial Fibrillation	30
Dementia	23
Cancer	21

Education & Training

Dr. Warren B. Fields, MD graduated from Indiana University School of Medicine in 2000. He has a state license in Illinois.

Medical School: Indiana University School of Medicine (2000)

Licensed In: Illinois

Affiliations & Hospitals

Dr. Warren B. Fields, MD is associated with these hospitals and organizations:

GREENBERGER WU DUNN AND FIELDS PLLC

Ratings & Reviews

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General Payments

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

**Payments by Company**
Boehringer Ingelheim Pharmaceuticals, Inc.	$11,764 Spiriva $3,447	SPIRIVA RESPIMAT $3,109	STIOLTO $2,609	STIOLTO RESPIMAT $1,408	OFEV $453	Other $737
GlaxoSmithKline, LLC.	$3,157 TRELEGY ELLIPTA $823	NUCALA $802	ANORO $557	BREO $432	ANORO ELLIPTA $262	Other $282
AstraZeneca Pharmaceuticals LP	$2,338 SYMBICORT $627	BREZTRI $605	TEZSPIRE $458	FASENRA $279	BEVESPI AEROSPHERE $218	Other $150
Grifols USA, LLC	$829 Prolastin-C Liquid $431	Prolastin-C $399
Mylan Specialty L.P.	$456 Yupelri $209	Perforomist $178	$69
Other	$3,882 DUPIXENT $495	GLASSIA $352	XOLAIR $305	OPSUMIT $191	UPTRAVI $164	Other $2,375

**Types of Payments**
Food and Beverage	$12,941
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$8,550
Consulting Fee	$750
Education	$141
Travel and Lodging	$45

Biography

Dr. Warren Fields is an adult critical care and adult pulmonology specialist in Royal Oak, MI. He graduated from Indiana University School of Medicine.

Select Year:

Dr. Warren B. Fields, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Warren B. Fields, MD in 2023

By Volume:

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. Warren B. Fields, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Warren B. Fields, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Warren B. Fields, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Warren B. Fields, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Warren B. Fields, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Warren B. Fields, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Warren B. Fields, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Warren B. Fields, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Warren B. Fields, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Warren B. Fields, 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. Warren B. Fields, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

Other Providers in Royal Oak, MI