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Dr. John P. Shannon, MD

Accepting New Patients
Specializes in: General Surgery
UMDNJ-New Jersey Medical School (1971)
380 Chase Avenue
Walla Walla, WA 99362

Dr. John P. Shannon, MD is a general surgeon in Walla Walla, WA specializing in general surgery. He graduated from UMDNJ-New Jersey Medical School in 1971 and has 55 years of experience. Dr. John P. Shannon, MD is affiliated with Providence and Providence St. Mary Medical Center.

View Doctor's Full Profile (509) 897-2660

Office Locations

380 Chase Avenue
Walla Walla, WA 99362
open_in_new

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. John P. Shannon, MD treated as a general surgeon in Walla Walla, WA during 2012 were endarterectomy, neck surgery and vascular procedures.

Volume of procedures performed by Dr. John P. Shannon, MD for Medicare patients.

endarterectomy 26
neck surgery 26
vascular procedures 26

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John P. Shannon, MD treated as a general surgeon in Walla Walla, WA during 2013 were endarterectomy, neck surgery and vascular procedures.

Volume of procedures performed by Dr. John P. Shannon, MD for Medicare patients.

endarterectomy 23
neck surgery 23
vascular procedures 23

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John P. Shannon, MD.

Gender
Male 73
Female 57
Ethnicity
Non-Hispanic White 119
Black 0
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 56
From 75 to 84 43
85 and over 0
Less than 65 0

Conditions of Medicare patients treated by Dr. John P. Shannon, MD in 2013

Hypertension 75
High Cholesterol 52
Stroke 13
Ischemic Heart Disease 40
Depression 21
Chronic Kidney Disease 31
Asthma 8
Osteoperosis 11
Atrial Fibrilation 13
Heart Failure 28
Chronic Obstructive Pulmonary Disease 18
Diabetes 32
Dementia 10
Cancer 15

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John P. Shannon, MD treated as a general surgeon in Walla Walla, WA during 2014 were endarterectomy, neck surgery and vascular procedures.

Volume of procedures performed by Dr. John P. Shannon, MD for Medicare patients.

endarterectomy 25
neck surgery 25
vascular procedures 25

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John P. Shannon, MD.

Gender
Male 76
Female 60
Ethnicity
Non-Hispanic White 125
Black 0
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 45
From 75 to 84 53
85 and over 26
Less than 65 12

Conditions of Medicare patients treated by Dr. John P. Shannon, MD in 2014

Hypertension 71
High Cholesterol 60
Stroke 10
Ischemic Heart Disease 43
Depression 16
Chronic Kidney Disease 35
Asthma 0
Osteoperosis 0
Atrial Fibrilation 18
Heart Failure 27
Chronic Obstructive Pulmonary Disease 24
Diabetes 35
Dementia 11
Cancer 20

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John P. Shannon, MD treated as a general surgeon in Walla Walla, WA during 2015 were endarterectomy, neck surgery, vascular procedures and device removal.

Volume of procedures performed by Dr. John P. Shannon, MD for Medicare patients.

device removal 14
endarterectomy 23
neck surgery 23
vascular procedures 23

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John P. Shannon, MD.

Gender
Male 144
Female 88
Age
From 65 to 74 100
From 75 to 84 64
85 and over 0
Less than 65 0

Conditions of Medicare patients treated by Dr. John P. Shannon, MD in 2015

Hypertension 75
High Cholesterol 58
Stroke 0
Ischemic Heart Disease 45
Depression 22
Chronic Kidney Disease 41
Asthma 16
Osteoperosis 0
Atrial Fibrilation 13
Heart Failure 24
Chronic Obstructive Pulmonary Disease 19
Diabetes 34
Dementia 11
Cancer 12

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John P. Shannon, MD treated as a general surgeon in Walla Walla, WA during 2016 were endarterectomy, neck surgery and vascular procedures.

Volume of procedures performed by Dr. John P. Shannon, MD for Medicare patients.

endarterectomy 27
neck surgery 27
vascular procedures 27

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John P. Shannon, MD.

Gender
Male 45
Female 32
Age
From 65 to 74 33
From 75 to 84 24
85 and over 0
Less than 65 0

Conditions of Medicare patients treated by Dr. John P. Shannon, MD in 2016

Hypertension 73
High Cholesterol 64
Stroke 0
Ischemic Heart Disease 47
Depression 16
Chronic Kidney Disease 34
Asthma 25
Osteoperosis 14
Atrial Fibrilation 18
Heart Failure 23
Chronic Obstructive Pulmonary Disease 23
Diabetes 39
Dementia 0
Cancer 0

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John P. Shannon, MD treated as a general surgeon in Walla Walla, WA during 2017 were endarterectomy, neck surgery and vascular procedures.

Volume of procedures performed by Dr. John P. Shannon, MD for Medicare patients.

endarterectomy 12
neck surgery 12
vascular procedures 12

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John P. Shannon, MD.

Gender
Male 48
Female 32
Ethnicity
Non-Hispanic White 68
Black 0
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 23
From 75 to 84 32
85 and over 0
Less than 65 0

Conditions of Medicare patients treated by Dr. John P. Shannon, MD in 2017

Hypertension 75
High Cholesterol 49
Stroke 0
Ischemic Heart Disease 45
Depression 28
Chronic Kidney Disease 45
Asthma 0
Osteoperosis 0
Atrial Fibrilation 23
Heart Failure 28
Chronic Obstructive Pulmonary Disease 21
Diabetes 26
Dementia 0
Cancer 23

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John P. Shannon, MD treated as a general surgeon in Walla Walla, WA during 2018 were endarterectomy, neck surgery and vascular procedures.

Volume of procedures performed by Dr. John P. Shannon, MD for Medicare patients.

endarterectomy 17
neck surgery 17
vascular procedures 17

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John P. Shannon, MD.

Gender
Male 33
Female 17
Age
From 65 to 74 21
From 75 to 84 0
85 and over 0
Less than 65 0

Conditions of Medicare patients treated by Dr. John P. Shannon, MD in 2018

Hypertension 75
High Cholesterol 75
Stroke 0
Ischemic Heart Disease 36
Depression 0
Chronic Kidney Disease 40
Asthma 0
Osteoperosis 0
Atrial Fibrilation 0
Heart Failure 26
Chronic Obstructive Pulmonary Disease 32
Diabetes 32
Dementia 0
Cancer 24

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John P. Shannon, MD treated as a general surgeon in Walla Walla, WA during 2019 were endarterectomy, neck surgery and vascular procedures.

Volume of procedures performed by Dr. John P. Shannon, MD for Medicare patients.

endarterectomy 19
neck surgery 19
vascular procedures 19

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John P. Shannon, MD.

Gender
Male 32
Female 19
Age
From 65 to 74 0
From 75 to 84 21
85 and over 0
Less than 65 0

Conditions of Medicare patients treated by Dr. John P. Shannon, MD in 2019

Hypertension 75
High Cholesterol 67
Stroke 0
Ischemic Heart Disease 41
Depression 0
Chronic Kidney Disease 43
Asthma 0
Osteoperosis 0
Atrial Fibrilation 0
Heart Failure 0
Chronic Obstructive Pulmonary Disease 22
Diabetes 27
Dementia 0
Cancer 0

Medicare Procedure and Patient Information

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John P. Shannon, MD.

Gender
Male 18
Female 13
Age
From 65 to 74 0
From 75 to 84 13
85 and over 0
Less than 65 0

Conditions of Medicare patients treated by Dr. John P. Shannon, MD in 2020

Hypertension 75
High Cholesterol 65
Stroke 0
Ischemic Heart Disease 42
Depression 0
Chronic Kidney Disease 58
Asthma 0
Osteoperosis 0
Atrial Fibrilation 0
Heart Failure 0
Chronic Obstructive Pulmonary Disease 0
Diabetes 48
Dementia 0
Cancer 0

Medicare Procedure and Patient Information

Conditions of Medicare patients treated by Dr. John P. Shannon, MD in 2021

Hypertension 75
High Cholesterol 0
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 0

Medicare Procedure and Patient Information

Conditions of Medicare patients treated by Dr. John P. Shannon, MD in 2022

Hypertension 0
High Cholesterol 69
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 0

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. John P. Shannon, MD for Medicare patients.

The highest averages for the top procedures that Dr. John P. Shannon, MD treated as a general surgeon in Walla Walla, WA were endarterectomy, neck surgery, vascular procedures and device removal.

device removal 14
endarterectomy 21
neck surgery 21
vascular procedures 21

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. John P. Shannon, MD.

Gender
Male 42
Female 28
Ethnicity
Black / African American 0
Asian / Pacific Islander 0
Non-Hispanic White 28
Native American / Alaskan Native 0
Hispanic 0
Other 0
Age
75 to 84 22
85 and over 2
Less than 65 1
65 to 74 25

Average of Total of Conditions of Medicare patients treated by Dr. John P. Shannon, MD From 2012 - 2022

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

Hypertension 60
High Cholesterol 50
Stroke 2
Ischemic Heart Disease 30
Depression 9
Chronic Kidney Disease 29
Asthma 4
Osteoporosis 2
Heart Failure 14
Chronic Obstructive Pulmonary Disease 14
Diabetes 24
Atrial Fibrillation 7
Dementia 2
Cancer 8

Education & Training

Dr. John P. Shannon, MD graduated from UMDNJ-New Jersey Medical School in 1971. He completed residency at Legacy Emanuel Medical Center. He is certified by the American Board of Surgery and has a state license in Washington.

Medical School: UMDNJ-New Jersey Medical School (1971)

Residency: Legacy Emanuel Medical Center

Board Certification: American Board of Surgery

Licensed In: Washington

Affiliations & Hospitals

Dr. John P. Shannon, MD is associated with these hospitals and organizations:

Providence
Providence St. Mary Medical Center

Insurance Information

Please note: Insurance information may change at any time, and the provider may accept your insurance plan even if it is not listed below. Please contact the provider's office to confirm that your insurance is accepted.

Dr. John P. Shannon, MD appears to accept the following insurance providers: Aetna PPO, CIGNA PPO, Medicare Advantage, Interplan PPO, TriWest, United Healthcare, TRICARE, Medicaid, Cigna, United Healthcare Medicaid, OptumHealth Behavioral Solutions (United Behavioral Health), Providence, First Health, Regence, WellPoint, Aetna Medicare PPO, State of Washington Department of Corrections, College Place Police Department, Moda PPO, Evernorth PPO, First Choice PPO, Regence BlueShield of Washington PPO and Interwest Health PPO.

Insurance Accepted by Provider includes:

According to our sources, Dr. John P. Shannon, MD accepts the following insurance providers:

Aetna PPO
CIGNA PPO
Medicare Advantage
Interplan PPO
TriWest
United Healthcare
TRICARE
Medicaid
Cigna
United Healthcare Medicaid
OptumHealth Behavioral Solutions (United Behavioral Health)
Providence
First Health
Regence
WellPoint
Aetna Medicare PPO
State of Washington Department of Corrections
College Place Police Department
Moda PPO
Evernorth PPO
First Choice PPO
Regence BlueShield of Washington PPO
Interwest Health PPO

Ratings & Reviews

Dr. John P. Shannon, MD has an exceptional overall rating with an average of 5.0 out of 5 stars based on 22 ratings. We collect ratings and reviews of Dr. John P. Shannon, MD from all over the web to help you find the right in Walla Walla, WA. 

5
Overall Rating
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Reviews From Around The Web
Overall Rating: 5.0 2024-09-29
Patient verified via Press Ganey
I had a good first experience. He was very understanding, he listened, gave feedback on what was fine and what should worry about or not. I never felt uncomfortable at any time.
Overall Rating: 5.0 2025-04-19
Patient verified via Press Ganey
Dr Shannon is a skillful and caring physician who took great care of me in my stressful situation. He even personally called me the next day to check up on the wound.
Overall Rating: 5.0 2022-11-21
Patient verified via Press Ganey
Dr. Shannon has handled my 3rd Class FAA medical exams in recent years and has always been professional and easy to work with and I've referred other pilots to him.
Overall Rating: 5.0 2023-04-16
Patient verified via Press Ganey
Dr. Shannon is exceptional as an FAA medical examiner. His staff and support structure handled my affairs in an exceptional manner as well.
Overall Rating: 5.0 2023-07-11
Patient verified via Press Ganey
Dr. Shannon is my go-to AME. Wouldn't think of going elsewhere. Thank you Dr. Shannon and keep up the dedicated service you provide
Overall Rating: 5.0 2025-07-07
Patient verified via Press Ganey
Dr. Shannon was very knowledgeable and very personable and the mole removal procedure was amazingly fast and painless.
Overall Rating: 5.0 2024-03-31
Patient verified via Press Ganey
Dr. Shannon was professional and very kind, and made a followup appointment for me to resolve my health issue.
Overall Rating: 5.0 2025-06-10
Patient verified via Press Ganey
Dr. Shannon is a consummate professional with a depth of knowledge and experience.
Overall Rating: 5.0 2024-06-18
Patient verified via Press Ganey
Professional, Knowledgeable, experienced, and levelheaded. Excellent Physican.
Overall Rating: 5.0 2024-12-29
Patient verified via Press Ganey
Dr. Shannon was very personable and made my visit an enjoyable experience!

To see all 22 reviews for Dr. John P. Shannon, MD, view their full profile.

Biography

Dr. John Shannon, who practices in Walla Walla, WA, is a medical specialist in general surgery. Patient reviews placed Dr. Shannon at an average of 5.0 stars (out of 5). Blue California, HealthSmart, and Coventry appears to be the insurance carriers that Dr. Shannon takes. After completing medical school at the University of Washington School of Medicine, UMDNJ-New Jersey Medical School, and the University of Wisconsin School of Medicine and Public Health, he performed his residency at Legacy Emanuel Medical Center and Legacy Good Samaritan Medical Center, Portland. His professional affiliations include Providence and Providence St. Mary Medical Center. Dr. Shannon welcomes new patients at his office inWalla Walla, WA as reported by Doctor.com.

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