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Home > WA Providers > Plastic Surgeons

Dr. Shannon Margaret Colohan, MD

(Shannon M. Colohan)

(No ratings)

Specializes in: Plastic Surgery

Dalhousie University Faculty of Medicine

Professional interests include: plastic surgery procedures, breast cancer, merkel cell carcinoma, and more.

820 Yale Avenue N. Sloan Clinic 2
Seattle, WA 98109

(206) 606-1024

Dr. Shannon Margaret Colohan, MD is a plastic surgeon in Seattle, WA specializing in plastic surgery. She graduated from Dalhousie University Faculty of Medicine. Dr. Shannon Margaret Colohan, MD is affiliated with Fred Hutchinson Cancer Center.

Office Locations

1959 NE Pacific Street
Seattle, WA 98195

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1354 Aloha Street Sloan Clinic 1
Seattle, WA 98109

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820 Yale Avenue N. Sloan Clinic 2
Seattle, WA 98109

(206) 606-1024

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Volume of procedures performed by Dr. Shannon Margaret Colohan, MD for Medicare patients.

doctor visit	37

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

Volume of procedures performed by Dr. Shannon Margaret Colohan, MD for Medicare patients.

doctor visit	28

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Shannon Margaret Colohan, MD.

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

Conditions of Medicare patients treated by Dr. Shannon Margaret Colohan, MD in 2013

Hypertension	47
High Cholesterol	40
Stroke	0
Ischemic Heart Disease	0
Depression	47
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	31
Dementia	0
Cancer	62

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

Volume of procedures performed by Dr. Shannon Margaret Colohan, MD for Medicare patients.

doctor visit	38

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Shannon Margaret Colohan, MD.

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	0
Less than 65	30

Conditions of Medicare patients treated by Dr. Shannon Margaret Colohan, MD in 2014

Hypertension	43
High Cholesterol	31
Stroke	0
Ischemic Heart Disease	0
Depression	36
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	23
Dementia	0
Cancer	59

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

Volume of procedures performed by Dr. Shannon Margaret Colohan, MD for Medicare patients.

doctor visit	41

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Shannon Margaret Colohan, MD.

**Gender**
Male	24
Female	94

**Age**
From 65 to 74	56
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Shannon Margaret Colohan, MD in 2015

Hypertension	47
High Cholesterol	39
Stroke	0
Ischemic Heart Disease	0
Depression	36
Chronic Kidney Disease	24
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	24
Dementia	0
Cancer	42

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

Volume of procedures performed by Dr. Shannon Margaret Colohan, MD for Medicare patients.

doctor visit	43

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Shannon Margaret Colohan, MD.

**Age**
From 65 to 74	25
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Shannon Margaret Colohan, MD in 2016

Hypertension	49
High Cholesterol	33
Stroke	0
Ischemic Heart Disease	0
Depression	29
Chronic Kidney Disease	24
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	47

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

Volume of procedures performed by Dr. Shannon Margaret Colohan, MD for Medicare patients.

doctor visit	13

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Shannon Margaret Colohan, MD.

**Age**
From 65 to 74	26
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Shannon Margaret Colohan, MD in 2017

Hypertension	53
High Cholesterol	47
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	57

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

Volume of procedures performed by Dr. Shannon Margaret Colohan, MD for Medicare patients.

doctor visit	22

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Shannon Margaret Colohan, MD.

**Gender**
Male	13
Female	48

**Ethnicity**
Non-Hispanic White	49
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	40
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Shannon Margaret Colohan, MD in 2018

Hypertension	52
High Cholesterol	38
Stroke	0
Ischemic Heart Disease	0
Depression	26
Chronic Kidney Disease	20
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	21
Dementia	0
Cancer	64

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Shannon Margaret Colohan, MD treated as a plastic surgeon in Seattle, WA during 2019 were reconstructive surgery, breast procedures, plastic surgery procedures and revision surgery.

Volume of procedures performed by Dr. Shannon Margaret Colohan, MD for Medicare patients.

breast procedures	13
cosmetic treatments	13
doctor visit	34
plastic surgery procedures	13
reconstructive surgery	13
revision surgery	13

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Shannon Margaret Colohan, MD.

**Age**
From 65 to 74	35
From 75 to 84	11
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Shannon Margaret Colohan, MD in 2019

Hypertension	40
High Cholesterol	37
Stroke	0
Ischemic Heart Disease	0
Depression	37
Chronic Kidney Disease	21
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	65

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

Volume of procedures performed by Dr. Shannon Margaret Colohan, MD for Medicare patients.

doctor visit	32

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Shannon Margaret Colohan, MD.

**Age**
From 65 to 74	42
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Shannon Margaret Colohan, MD in 2020

Hypertension	44
High Cholesterol	40
Stroke	0
Ischemic Heart Disease	0
Depression	31
Chronic Kidney Disease	19
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	16
Dementia	0
Cancer	71

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

Volume of procedures performed by Dr. Shannon Margaret Colohan, MD for Medicare patients.

doctor visit	49

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Shannon Margaret Colohan, MD.

**Gender**
Male	11
Female	60

**Age**
From 65 to 74	44
From 75 to 84	0
85 and over	0
Less than 65	13

Conditions of Medicare patients treated by Dr. Shannon Margaret Colohan, MD in 2021

Hypertension	49
High Cholesterol	41
Stroke	0
Ischemic Heart Disease	23
Depression	41
Chronic Kidney Disease	21
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	15
Dementia	0
Cancer	72

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

Volume of procedures performed by Dr. Shannon Margaret Colohan, MD for Medicare patients.

doctor visit	15

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Shannon Margaret Colohan, MD.

**Age**
From 65 to 74	29
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Shannon Margaret Colohan, MD in 2022

Hypertension	57
High Cholesterol	55
Stroke	0
Ischemic Heart Disease	0
Depression	31
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	67

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

Volume of procedures performed by Dr. Shannon Margaret Colohan, MD for Medicare patients.

doctor visit	35

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Shannon Margaret Colohan, MD.

**Age**
From 65 to 74	40
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Shannon Margaret Colohan, MD in 2023

Hypertension	47
High Cholesterol	55
Stroke	0
Ischemic Heart Disease	0
Depression	43
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	75

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

Volume of procedures performed by Dr. Shannon Margaret Colohan, MD for Medicare patients.

doctor visit	14

Conditions of Medicare patients treated by Dr. Shannon Margaret Colohan, MD in 2024

Hypertension	46
High Cholesterol	60
Stroke	0
Ischemic Heart Disease	0
Depression	37
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	75

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Shannon Margaret Colohan, MD for Medicare patients.

The highest averages for the top procedures that Dr. Shannon Margaret Colohan, MD treated as a plastic surgeon in Seattle, WA were reconstructive surgery, breast procedures, plastic surgery procedures and revision surgery.

breast procedures	13
cosmetic treatments	13
doctor visit	30
plastic surgery procedures	13
reconstructive surgery	13
revision surgery	13

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Shannon Margaret Colohan, MD.

**Gender**
Male	3
Female	15

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

**Age**
75 to 84	0
85 and over	0
Less than 65	4
65 to 74	25

Average of Total of Conditions of Medicare patients treated by Dr. Shannon Margaret Colohan, MD From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. Shannon Margaret Colohan, MD treated were cancer, hypertension, high cholesterol and depression.

Hypertension	44
High Cholesterol	39
Stroke	0
Ischemic Heart Disease	1
Depression	30
Chronic Kidney Disease	9
Asthma	0
Osteoporosis	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	10
Atrial Fibrillation	0
Dementia	0
Cancer	58

Education & Training

Dr. Shannon Margaret Colohan, MD graduated from Dalhousie University Faculty of Medicine. She completed residency at Dalhousie University Affiliated Hospitals. She is certified by the Plastic Surgery, American Board of Plastic Surgery and has a state license in Washington.

Medical School: Dalhousie University Faculty of Medicine

Residency: Dalhousie University Affiliated Hospitals

Board Certification: Plastic Surgery, American Board of Plastic Surgery (2012)

Licensed In: Washington

Ratings & Reviews

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General Payments

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

**Payments by Company**
AbbVie Inc.	$203 NATRELLE SALINE-FILLED BREAST IMPLANTS $203
Vioptix Inc	$167 $167
Allergan Inc.	$153 AlloDerm $153
Sientra, Inc.	$110 SIENTRA HIGH STRENGTH COHESIVE SILICONE GEL BREAST IMPLANT $110
Mentor Worldwide LLC	$65 MENTOR MemoryGel Resterilizable Gel Sizer $65
Other	$51 ESC - Endoscopic Ultrasound $30	Spy $11	ESC - Metal Stents - Non-Biliary $10

**Types of Payments**
Food and Beverage	$748

Biography

Dr. Shannon Colohan specializes in plastic surgery and practices in Seattle, WA. Her clinical interests include plastic surgery procedures, breast cancer, and reconstructive surgery. She is a graduate of Dalhousie University Faculty of Medicine. Dr. Colohan completed her residency training at a hospital affiliated with Dalhousie University. Awards and/or distinctions Dr. Colohan has received include Seattle Met's 2025 Top Doctors Award; Dr. Schaub has received this peer-nominated award for exceptional patient care for multiple years; and Dr. Colohan has received this peer-nominated award for exceptional patient care for multiple years. She is conversant in French. She is affiliated with Fred Hutchinson Cancer Center.

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Dr. Shannon Margaret Colohan, MD

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. Shannon Margaret Colohan, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Shannon Margaret Colohan, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Shannon Margaret Colohan, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Shannon Margaret Colohan, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Shannon Margaret Colohan, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Shannon Margaret Colohan, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Shannon Margaret Colohan, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Shannon Margaret Colohan, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Shannon Margaret Colohan, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Shannon Margaret Colohan, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Shannon Margaret Colohan, MD in 2023

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

Conditions of Medicare patients treated by Dr. Shannon Margaret Colohan, MD in 2024

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Average Medicare Patient Data From 2012 - 2024

Average of Total of Conditions of Medicare patients treated by Dr. Shannon Margaret Colohan, MD From 2012 - 2024

Education & Training

Ratings & Reviews

General Payments

Biography

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