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Dr. Michael R. Peterson, MD, PhD

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Specializes in: Clinical Pathology and Anatomic Pathology

University of California, San Diego (UCSD), School of Medicine

Professional interests include: gastrointestinal problems (digestive disorders)

12501 E. Marginal Way S. Suite 200
Tukwila, WA 98168

(206) 576-6050

Dr. Michael R. Peterson, MD, PhD is a clinical pathologist in Tukwila, WA specializing in clinical pathology and anatomic pathology. He graduated from University of California, San Diego (UCSD), School of Medicine. Dr. Michael R. Peterson, MD, PhD is affiliated with CellNetix Pathology & Laboratories and Evergreen Health.

Office Locations

Evergreen Health

12501 E. Marginal Way S. Suite 200
Tukwila, WA 98168

(206) 576-6527

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Some issues Dr. Michael R. Peterson, MD, PhD can help you with:

Gastrointestinal Problems (Digestive Disorders)

The gastrointestinal system, or GI tract, is the name given to a collection of organs that work together to digest food. These organs fit together in a long tube, running from the mouth to the anus, and include the esophagus, stomach, and intestines, among others. With so many parts working together, complicated by today's busy lifestyles and diets, digestive problems are common. As many as 1 in 3 Americans have a digestive or GI disorder. There are a huge variety of digestive problems, but the most common are IBS, constipation, GERD, hemorrhoids, and ulcers.

IBS, or irritable bowel syndrome, happens when the muscles surrounding the colon contract too easily or frequently. The result is abdominal pain, cramps, diarrhea or constipation, gas and bloating. IBS attacks can often be brought on by specific triggers, so a key part of treatment is learning which foods trigger IBS attacks and avoiding them. Treatment also includes exercise, avoiding stress, and medications if needed.

Constipation, or large, hard, or infrequent stools, happens to everyone at some point. It can be caused by a disruption in routine or food, or by eating a diet without many fresh fruits and vegetables. Although it is uncomfortable, constipation is common and usually not serious, but it can sometimes become chronic. Adding fiber to the diet, exercising, and taking medications may help.

GERD, or gastroesophageal reflux disease, is a severe form of chronic heartburn where stomach acid spills back up into the esophagus. Left untreated, the acid may even eat away at the esophagus and cause serious damage. Treatment includes changing the diet to avoid trigger foods, losing weight if needed, medications, or even surgery.

Hemorrhoids are blood vessels around the rectum that become irritated, swollen or torn while straining during a bowel movement. They are most often caused by constipation, but can also be caused by pregnancy, diarrhea, or simply a genetic predisposition towards hemorrhoids. Treatment involves first treating any constipation issues, then keeping the area clean and soothed until it has healed. If these measures are ineffective, surgery is sometimes used.

Peptic ulcers are sores or spots of inflammation in the lining of the stomach or close to the stomach in the small intestine. Usually this area is coated with a protective lining that shields the tissue from the strong stomach acid, but a break in the lining can let acid in, causing the sores. It used to be thought that stress caused ulcers, but now it is known that is not the case. Most often, they are caused by an infection by H. pylori bacteria, but ulcers can also be caused by alcohol abuse or overuse of aspirin, ibuprofen, naproxen, or other NSAIDS. The symptoms of an ulcer are pain, hunger, nausea, and fatigue.

Gastrointestinal problems, perhaps more than any other area, are markedly affected by lifestyle. Many disorders can be prevented or treated at least in part by eating a healthy diet high in fiber, exercising regularly, drinking enough water, and limiting alcohol intake. Still, the frequency of digestive disorders means that even the healthiest person can be affected by them. Anyone who notices blood in their stool, experiences abdominal pain, unexplained weight loss, or any significant change in bowel movements should see a doctor.

Noteworthy Medicare Patient Procedures Performed by Dr. Michael R. Peterson, MD, PhD in 2023

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

Top 25%

By Volume:

cytology

non-gynecologic liquid-based cytology

By Affordability:

liquid-based cytology

non-gynecologic liquid-based cytology

In 2012, among providers in related specialties within Washington, Dr. Michael R. Peterson, MD, PhD performed more cytology, and non-gynecologic liquid-based cytology procedures for Medicare patients than 75% of them and he also had a list price for liquid-based cytology (ThinPrep), and non-gynecologic liquid-based cytology that was lower than the list prices billed to Medicare by 75% of them. 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. Michael R. Peterson, MD, PhD treated as a clinical pathologist in Tukwila, WA during 2012 were lab tests, cytology, consultation and second opinions.

Volume of procedures performed by Dr. Michael R. Peterson, MD, PhD for Medicare patients.

consultation	54
cytology	207
lab tests	849
second opinions	32

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Michael R. Peterson, MD, PhD treated as a clinical pathologist in Tukwila, WA during 2013 were lab tests.

Volume of procedures performed by Dr. Michael R. Peterson, MD, PhD for Medicare patients.

lab tests	224

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael R. Peterson, MD, PhD.

**Gender**
Male	141
Female	132

**Ethnicity**
Non-Hispanic White	204
Black	0
Hispanic	32
Asian	17
Other	0
Native American	0

**Age**
From 65 to 74	131
From 75 to 84	56
85 and over	17
Less than 65	69

Conditions of Medicare patients treated by Dr. Michael R. Peterson, MD, PhD in 2013

Hypertension	64
High Cholesterol	44
Stroke	0
Ischemic Heart Disease	30
Depression	25
Chronic Kidney Disease	24
Asthma	4
Osteoperosis	7
Atrial Fibrilation	10
Heart Failure	16
Chronic Obstructive Pulmonary Disease	12
Diabetes	29
Dementia	5
Cancer	18

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Michael R. Peterson, MD, PhD treated as a clinical pathologist in Tukwila, WA during 2014 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Michael R. Peterson, MD, PhD for Medicare patients.

consultation	41
cytology	99
lab tests	184

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael R. Peterson, MD, PhD.

**Gender**
Male	188
Female	285

**Ethnicity**
Non-Hispanic White	416
Black	23
Hispanic	11
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	192
From 75 to 84	125
85 and over	65
Less than 65	91

Conditions of Medicare patients treated by Dr. Michael R. Peterson, MD, PhD in 2014

Hypertension	67
High Cholesterol	55
Stroke	5
Ischemic Heart Disease	34
Depression	29
Chronic Kidney Disease	32
Asthma	13
Osteoperosis	10
Atrial Fibrilation	15
Heart Failure	21
Chronic Obstructive Pulmonary Disease	23
Diabetes	32
Dementia	9
Cancer	25

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Michael R. Peterson, MD, PhD treated as a clinical pathologist in Tukwila, WA during 2015 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Michael R. Peterson, MD, PhD for Medicare patients.

consultation	54
cytology	194
lab tests	238

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael R. Peterson, MD, PhD.

**Gender**
Male	618
Female	768

**Ethnicity**
Non-Hispanic White	1176
Black	74
Hispanic	32
Asian	56
Other	0
Native American	0

**Age**
From 65 to 74	548
From 75 to 84	418
85 and over	192
Less than 65	228

Conditions of Medicare patients treated by Dr. Michael R. Peterson, MD, PhD in 2015

Hypertension	70
High Cholesterol	59
Stroke	6
Ischemic Heart Disease	37
Depression	27
Chronic Kidney Disease	34
Asthma	19
Osteoperosis	12
Atrial Fibrilation	15
Heart Failure	23
Chronic Obstructive Pulmonary Disease	24
Diabetes	30
Dementia	10
Cancer	27

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Michael R. Peterson, MD, PhD treated as a clinical pathologist in Tukwila, WA during 2016 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Michael R. Peterson, MD, PhD for Medicare patients.

consultation	91
cytology	210
lab tests	273

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael R. Peterson, MD, PhD.

**Gender**
Male	353
Female	370

**Ethnicity**
Non-Hispanic White	618
Black	34
Hispanic	21
Asian	31
Other	0
Native American	0

**Age**
From 65 to 74	290
From 75 to 84	222
85 and over	98
Less than 65	113

Conditions of Medicare patients treated by Dr. Michael R. Peterson, MD, PhD in 2016

Hypertension	75
High Cholesterol	63
Stroke	4
Ischemic Heart Disease	36
Depression	28
Chronic Kidney Disease	42
Asthma	29
Osteoperosis	12
Atrial Fibrilation	15
Heart Failure	28
Chronic Obstructive Pulmonary Disease	24
Diabetes	35
Dementia	10
Cancer	24

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Michael R. Peterson, MD, PhD treated as a clinical pathologist in Tukwila, WA during 2017 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Michael R. Peterson, MD, PhD for Medicare patients.

consultation	73
cytology	224
lab tests	259

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael R. Peterson, MD, PhD.

**Gender**
Male	340
Female	455

**Ethnicity**
Non-Hispanic White	667
Black	39
Hispanic	23
Asian	29
Other	22
Native American	15

**Age**
From 65 to 74	332
From 75 to 84	258
85 and over	98
Less than 65	107

Conditions of Medicare patients treated by Dr. Michael R. Peterson, MD, PhD in 2017

Hypertension	75
High Cholesterol	58
Stroke	6
Ischemic Heart Disease	42
Depression	29
Chronic Kidney Disease	40
Asthma	14
Osteoperosis	13
Atrial Fibrilation	17
Heart Failure	27
Chronic Obstructive Pulmonary Disease	24
Diabetes	31
Dementia	11
Cancer	27

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Michael R. Peterson, MD, PhD treated as a clinical pathologist in Tukwila, WA during 2018 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Michael R. Peterson, MD, PhD for Medicare patients.

consultation	82
cytology	178
lab tests	225

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael R. Peterson, MD, PhD.

**Gender**
Male	362
Female	419

**Ethnicity**
Non-Hispanic White	661
Black	27
Hispanic	20
Asian	29
Other	25
Native American	19

**Age**
From 65 to 74	318
From 75 to 84	259
85 and over	106
Less than 65	98

Conditions of Medicare patients treated by Dr. Michael R. Peterson, MD, PhD in 2018

Hypertension	69
High Cholesterol	0
Stroke	3
Ischemic Heart Disease	37
Depression	25
Chronic Kidney Disease	40
Asthma	10
Osteoperosis	10
Atrial Fibrilation	19
Heart Failure	25
Chronic Obstructive Pulmonary Disease	22
Diabetes	33
Dementia	11
Cancer	25

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Michael R. Peterson, MD, PhD treated as a clinical pathologist in Tukwila, WA during 2019 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Michael R. Peterson, MD, PhD for Medicare patients.

consultation	47
cytology	200
lab tests	276

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael R. Peterson, MD, PhD.

**Gender**
Male	439
Female	462

**Ethnicity**
Non-Hispanic White	755
Black	48
Hispanic	18
Asian	28
Other	32
Native American	20

**Age**
From 65 to 74	390
From 75 to 84	293
85 and over	95
Less than 65	123

Conditions of Medicare patients treated by Dr. Michael R. Peterson, MD, PhD in 2019

Hypertension	74
High Cholesterol	57
Stroke	6
Ischemic Heart Disease	37
Depression	23
Chronic Kidney Disease	41
Asthma	12
Osteoperosis	8
Atrial Fibrilation	15
Heart Failure	25
Chronic Obstructive Pulmonary Disease	22
Diabetes	36
Dementia	10
Cancer	23

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Michael R. Peterson, MD, PhD treated as a clinical pathologist in Tukwila, WA during 2020 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Michael R. Peterson, MD, PhD for Medicare patients.

consultation	60
cytology	124
lab tests	205

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael R. Peterson, MD, PhD.

**Gender**
Male	303
Female	369

**Ethnicity**
Non-Hispanic White	557
Black	22
Hispanic	22
Asian	31
Other	23
Native American	17

**Age**
From 65 to 74	307
From 75 to 84	222
85 and over	64
Less than 65	79

Conditions of Medicare patients treated by Dr. Michael R. Peterson, MD, PhD in 2020

Hypertension	73
High Cholesterol	62
Stroke	6
Ischemic Heart Disease	38
Depression	29
Chronic Kidney Disease	41
Asthma	10
Osteoperosis	10
Atrial Fibrilation	16
Heart Failure	27
Chronic Obstructive Pulmonary Disease	21
Diabetes	33
Dementia	8
Cancer	25

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Michael R. Peterson, MD, PhD treated as a clinical pathologist in Tukwila, WA during 2021 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Michael R. Peterson, MD, PhD for Medicare patients.

consultation	60
cytology	108
lab tests	257

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael R. Peterson, MD, PhD.

**Gender**
Male	268
Female	350

**Ethnicity**
Non-Hispanic White	509
Black	28
Hispanic	17
Asian	25
Other	26
Native American	13

**Age**
From 65 to 74	291
From 75 to 84	212
85 and over	48
Less than 65	67

Conditions of Medicare patients treated by Dr. Michael R. Peterson, MD, PhD in 2021

Hypertension	75
High Cholesterol	61
Stroke	6
Ischemic Heart Disease	36
Depression	28
Chronic Kidney Disease	46
Asthma	14
Osteoperosis	11
Atrial Fibrilation	14
Heart Failure	28
Chronic Obstructive Pulmonary Disease	22
Diabetes	34
Dementia	12
Cancer	30

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Michael R. Peterson, MD, PhD treated as a clinical pathologist in Tukwila, WA during 2022 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Michael R. Peterson, MD, PhD for Medicare patients.

consultation	14
cytology	92
lab tests	222

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael R. Peterson, MD, PhD.

**Gender**
Male	271
Female	320

**Ethnicity**
Non-Hispanic White	514
Black	27
Hispanic	14
Asian	17
Other	0
Native American	0

**Age**
From 65 to 74	258
From 75 to 84	205
85 and over	65
Less than 65	63

Conditions of Medicare patients treated by Dr. Michael R. Peterson, MD, PhD in 2022

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	29
Depression	25
Chronic Kidney Disease	31
Asthma	13
Osteoperosis	15
Atrial Fibrilation	22
Heart Failure	23
Chronic Obstructive Pulmonary Disease	25
Diabetes	34
Dementia	8
Cancer	35

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Michael R. Peterson, MD, PhD treated as a clinical pathologist in Tukwila, WA during 2023 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Michael R. Peterson, MD, PhD for Medicare patients.

consultation	57
cytology	117
lab tests	177

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael R. Peterson, MD, PhD.

**Gender**
Male	327
Female	346

**Ethnicity**
Non-Hispanic White	566
Black	32
Hispanic	18
Asian	28
Other	17
Native American	12

**Age**
From 65 to 74	301
From 75 to 84	222
85 and over	100
Less than 65	50

Conditions of Medicare patients treated by Dr. Michael R. Peterson, MD, PhD in 2023

Hypertension	75
High Cholesterol	74
Stroke	7
Ischemic Heart Disease	31
Depression	25
Chronic Kidney Disease	30
Asthma	14
Osteoperosis	16
Atrial Fibrilation	27
Heart Failure	26
Chronic Obstructive Pulmonary Disease	23
Diabetes	32
Dementia	10
Cancer	34

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. Michael R. Peterson, MD, PhD for Medicare patients.

The highest averages for the top procedures that Dr. Michael R. Peterson, MD, PhD treated as a clinical pathologist in Tukwila, WA were lab tests, cytology, consultation and second opinions.

consultation	57
cytology	159
lab tests	282
second opinions	32

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Michael R. Peterson, MD, PhD.

**Gender**
Female	356
Male	300

**Ethnicity**
Black / African American	29
Asian / Pacific Islander	24
Non-Hispanic White	553
Hispanic	19
Native American / Alaskan Native	8
Other	12

**Age**
85 and over	79
75 to 84	207
Less than 65	90
65 to 74	279

Average of Total of Conditions of Medicare patients treated by Dr. Michael R. Peterson, MD, PhD From 2012 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Michael R. Peterson, MD, PhD treated were hypertension, high cholesterol, chronic kidney disease and ischemic heart disease.

Hypertension	66
High Cholesterol	50
Stroke	4
Ischemic Heart Disease	32
Depression	24
Chronic Kidney Disease	33
Asthma	12
Osteoporosis	10
Heart Failure	22
Chronic Obstructive Pulmonary Disease	20
Diabetes	29
Atrial Fibrillation	15
Dementia	8
Cancer	24

Education & Training

Dr. Michael R. Peterson, MD, PhD graduated from University of California, San Diego (UCSD), School of Medicine. He completed residency at University of California, San Diego (UCSD) Affiliated Hospitals. He is certified by the Board Certification: Anatomic Pathology and has a state license in Arizona.

Medical School: University of California, San Diego (UCSD), School of Medicine

Residency: University of California, San Diego (UCSD) Affiliated Hospitals

Board Certification: Board Certification: Anatomic Pathology

Licensed In: Arizona

Affiliations & Hospitals

Dr. Michael R. Peterson, MD, PhD is associated with these hospitals and organizations:

CellNetix Pathology & Laboratories

Evergreen Health

Ratings & Reviews

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General Payments

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

**Payments by Company**
Illumina, Inc.	$84 MiSeqDx Instrument $84
Merck Sharp & Dohme LLC	$28 KEYTRUDA $28

**Types of Payments**
Food and Beverage	$112

Biography

Dr. Michael Peterson is a surgical pathology specialist in Tukwila, WA. He is professionally affiliated with CellNetix Pathology & Laboratories. He is a graduate of the University of California, San Diego (UCSD), School of Medicine and the University of California, Irvine, School of Medicine. For his residency, Dr. Peterson trained at a hospital affiliated with the University of California, San Diego (UCSD).

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Dr. Michael R. Peterson, MD, PhD

Office Locations

Some issues Dr. Michael R. Peterson, MD, PhD can help you with:

Noteworthy Medicare Patient Procedures Performed by Dr. Michael R. Peterson, MD, PhD in 2023

By Volume:

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. Michael R. Peterson, MD, PhD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael R. Peterson, MD, PhD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael R. Peterson, MD, PhD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael R. Peterson, MD, PhD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael R. Peterson, MD, PhD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael R. Peterson, MD, PhD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael R. Peterson, MD, PhD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael R. Peterson, MD, PhD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael R. Peterson, MD, PhD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael R. Peterson, MD, PhD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael R. Peterson, MD, PhD 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. Michael R. Peterson, MD, PhD From 2012 - 2023

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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