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David J. Colliflower, PA, MPAS

(David Jon Colliflower, P.A.-C)

(No ratings)

Specializes in: Orthopedics/Orthopedic Surgery

347 Andrieux Street
Sonoma, CA 95476

(707) 721-8830

David J. Colliflower, PA, MPAS is in Sonoma, CA specializing in orthopedics/orthopedic surgery. David J. Colliflower, PA, MPAS is affiliated with Marin General Hospital and REGENTS UNIV OF CALIFORNIA UCSF.

Office Locations

Marin General Hospital

347 Andrieux Street
Sonoma, CA 95476

(707) 721-8830

(707) 938-3076

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Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that David J. Colliflower, PA, MPAS treated as in Sonoma, CA during 2013 were joint surgery, lower extremity surgery, reconstructive surgery and open surgery.

Volume of procedures performed by David J. Colliflower, PA, MPAS for Medicare patients.

capsulotomy	18
joint surgery	103
lower extremity surgery	103
open surgery	48
reconstructive surgery	55
removal of internal scar tissue	18
synovectomy	30

2013 Medicare Patient Data

Information about Medicare patients treated by David J. Colliflower, PA, MPAS.

**Gender**
Male	28
Female	39

**Age**
From 65 to 74	32
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by David J. Colliflower, PA, MPAS in 2013

The most common conditions of Medicare patients that David J. Colliflower, PA, MPAS treated during 2013 were hypertension, high cholesterol, ischemic heart disease and depression.

Hypertension	75
High Cholesterol	73
Stroke	0
Ischemic Heart Disease	36
Depression	24
Chronic Kidney Disease	16
Asthma	0
Osteoperosis	22
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	24
Dementia	0
Cancer	22

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that David J. Colliflower, PA, MPAS treated as in Sonoma, CA during 2014 were joint surgery, lower extremity surgery, open surgery and reconstructive surgery.

Volume of procedures performed by David J. Colliflower, PA, MPAS for Medicare patients.

capsulotomy	29
joint surgery	130
lower extremity surgery	130
open surgery	66
reconstructive surgery	64
removal of internal scar tissue	29
synovectomy	37

2014 Medicare Patient Data

Information about Medicare patients treated by David J. Colliflower, PA, MPAS.

**Gender**
Male	34
Female	49

**Age**
From 65 to 74	51
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by David J. Colliflower, PA, MPAS in 2014

The most common conditions of Medicare patients that David J. Colliflower, PA, MPAS treated during 2014 were hypertension, high cholesterol, depression and diabetes.

Hypertension	72
High Cholesterol	58
Stroke	0
Ischemic Heart Disease	25
Depression	27
Chronic Kidney Disease	18
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	25
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that David J. Colliflower, PA, MPAS treated as in Sonoma, CA during 2015 were joint surgery, lower extremity surgery, reconstructive surgery and open surgery.

Volume of procedures performed by David J. Colliflower, PA, MPAS for Medicare patients.

capsulotomy	23
joint surgery	143
lower extremity surgery	143
open surgery	68
reconstructive surgery	75
removal of internal scar tissue	23
synovectomy	45

2015 Medicare Patient Data

Information about Medicare patients treated by David J. Colliflower, PA, MPAS.

**Gender**
Male	76
Female	108

**Age**
From 65 to 74	102
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by David J. Colliflower, PA, MPAS in 2015

The most common conditions of Medicare patients that David J. Colliflower, PA, MPAS treated during 2015 were hypertension, high cholesterol, ischemic heart disease and depression.

Hypertension	75
High Cholesterol	70
Stroke	0
Ischemic Heart Disease	37
Depression	26
Chronic Kidney Disease	23
Asthma	14
Osteoperosis	13
Atrial Fibrilation	15
Heart Failure	14
Chronic Obstructive Pulmonary Disease	0
Diabetes	26
Dementia	0
Cancer	13

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that David J. Colliflower, PA, MPAS treated as in Sonoma, CA during 2016 were joint surgery, lower extremity surgery, reconstructive surgery and open surgery.

Volume of procedures performed by David J. Colliflower, PA, MPAS for Medicare patients.

capsulotomy	30
doctor visit	17
joint surgery	130
lower extremity surgery	130
open surgery	61
reconstructive surgery	69
removal of internal scar tissue	30
synovectomy	31

2016 Medicare Patient Data

Information about Medicare patients treated by David J. Colliflower, PA, MPAS.

**Gender**
Male	44
Female	65

**Age**
From 65 to 74	47
From 75 to 84	42
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by David J. Colliflower, PA, MPAS in 2016

The most common conditions of Medicare patients that David J. Colliflower, PA, MPAS treated during 2016 were hypertension, high cholesterol, ischemic heart disease and chronic kidney disease.

Hypertension	75
High Cholesterol	62
Stroke	0
Ischemic Heart Disease	32
Depression	26
Chronic Kidney Disease	27
Asthma	25
Osteoperosis	11
Atrial Fibrilation	15
Heart Failure	12
Chronic Obstructive Pulmonary Disease	15
Diabetes	17
Dementia	0
Cancer	12

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that David J. Colliflower, PA, MPAS treated as in Sonoma, CA during 2017 were aspiration and injections.

Volume of procedures performed by David J. Colliflower, PA, MPAS for Medicare patients.

aspiration	66
doctor visit	214
injections	66

2017 Medicare Patient Data

Information about Medicare patients treated by David J. Colliflower, PA, MPAS.

**Gender**
Male	69
Female	108

**Ethnicity**
Non-Hispanic White	158
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	74
From 75 to 84	50
85 and over	22
Less than 65	31

Conditions of Medicare patients treated by David J. Colliflower, PA, MPAS in 2017

The most common conditions of Medicare patients that David J. Colliflower, PA, MPAS treated during 2017 were hypertension, diabetes, high cholesterol and chronic kidney disease.

Hypertension	59
High Cholesterol	29
Stroke	0
Ischemic Heart Disease	24
Depression	27
Chronic Kidney Disease	27
Asthma	7
Osteoperosis	6
Atrial Fibrilation	10
Heart Failure	11
Chronic Obstructive Pulmonary Disease	12
Diabetes	31
Dementia	10
Cancer	10

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that David J. Colliflower, PA, MPAS treated as in Sonoma, CA during 2018 were reconstructive surgery, joint surgery, lower extremity surgery and aspiration.

Volume of procedures performed by David J. Colliflower, PA, MPAS for Medicare patients.

aspiration	12
injections	12
joint surgery	53
lower extremity surgery	53
reconstructive surgery	53

2018 Medicare Patient Data

Information about Medicare patients treated by David J. Colliflower, PA, MPAS.

**Gender**
Male	22
Female	43

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

Conditions of Medicare patients treated by David J. Colliflower, PA, MPAS in 2018

The most common conditions of Medicare patients that David J. Colliflower, PA, MPAS treated during 2018 were hypertension, high cholesterol, ischemic heart disease and diabetes.

Hypertension	75
High Cholesterol	62
Stroke	0
Ischemic Heart Disease	26
Depression	17
Chronic Kidney Disease	22
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	23
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that David J. Colliflower, PA, MPAS treated as in Sonoma, CA during 2019 were reconstructive surgery, joint surgery and lower extremity surgery.

Volume of procedures performed by David J. Colliflower, PA, MPAS for Medicare patients.

joint surgery	77
lower extremity surgery	77
reconstructive surgery	77

2019 Medicare Patient Data

Information about Medicare patients treated by David J. Colliflower, PA, MPAS.

**Gender**
Male	30
Female	44

**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 David J. Colliflower, PA, MPAS in 2019

The most common conditions of Medicare patients that David J. Colliflower, PA, MPAS treated during 2019 were high cholesterol, hypertension, ischemic heart disease and depression.

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	34
Depression	32
Chronic Kidney Disease	22
Asthma	15
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	26
Dementia	0
Cancer	16

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that David J. Colliflower, PA, MPAS treated as in Sonoma, CA during 2020 were reconstructive surgery, joint surgery and lower extremity surgery.

Volume of procedures performed by David J. Colliflower, PA, MPAS for Medicare patients.

joint surgery	39
lower extremity surgery	39
reconstructive surgery	39

2020 Medicare Patient Data

Information about Medicare patients treated by David J. Colliflower, PA, MPAS.

**Gender**
Male	15
Female	26

**Age**
From 65 to 74	19
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by David J. Colliflower, PA, MPAS in 2020

The most common conditions of Medicare patients that David J. Colliflower, PA, MPAS treated during 2020 were high cholesterol, hypertension, ischemic heart disease and depression.

Hypertension	73
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	32
Depression	29
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

2021 Medicare Procedure Volume

The top procedures that David J. Colliflower, PA, MPAS treated as in Sonoma, CA during 2021 were reconstructive surgery, joint surgery and lower extremity surgery.

Volume of procedures performed by David J. Colliflower, PA, MPAS for Medicare patients.

joint surgery	49
lower extremity surgery	49
reconstructive surgery	49

2021 Medicare Patient Data

Information about Medicare patients treated by David J. Colliflower, PA, MPAS.

**Gender**
Male	34
Female	28

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

**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 David J. Colliflower, PA, MPAS in 2021

The most common conditions of Medicare patients that David J. Colliflower, PA, MPAS treated during 2021 were high cholesterol, hypertension, ischemic heart disease and depression.

Hypertension	73
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	47
Depression	27
Chronic Kidney Disease	24
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	19
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that David J. Colliflower, PA, MPAS treated as in Sonoma, CA during 2022 were reconstructive surgery, joint surgery and lower extremity surgery.

Volume of procedures performed by David J. Colliflower, PA, MPAS for Medicare patients.

joint surgery	38
lower extremity surgery	38
reconstructive surgery	38

2022 Medicare Patient Data

Information about Medicare patients treated by David J. Colliflower, PA, MPAS.

**Gender**
Male	17
Female	28

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

Conditions of Medicare patients treated by David J. Colliflower, PA, MPAS in 2022

The most common conditions of Medicare patients that David J. Colliflower, PA, MPAS treated during 2022 were high cholesterol, hypertension, cancer and diabetes.

Hypertension	75
High Cholesterol	75
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	24
Dementia	0
Cancer	24

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that David J. Colliflower, PA, MPAS treated as in Sonoma, CA during 2023 were aspiration, injections, reconstructive surgery and joint surgery.

Volume of procedures performed by David J. Colliflower, PA, MPAS for Medicare patients.

aspiration	73
doctor visit	151
injections	73
joint surgery	26
lower extremity surgery	26
reconstructive surgery	26

2023 Medicare Patient Data

Information about Medicare patients treated by David J. Colliflower, PA, MPAS.

**Gender**
Male	50
Female	87

**Ethnicity**
Non-Hispanic White	121
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	47
From 75 to 84	57
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by David J. Colliflower, PA, MPAS in 2023

The most common conditions of Medicare patients that David J. Colliflower, PA, MPAS treated during 2023 were high cholesterol, hypertension, atrial fibrilation and heart failure.

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	24
Depression	21
Chronic Kidney Disease	25
Asthma	12
Osteoperosis	19
Atrial Fibrilation	27
Heart Failure	26
Chronic Obstructive Pulmonary Disease	16
Diabetes	23
Dementia	9
Cancer	16

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2013 - 2023

Volume of procedures performed by David J. Colliflower, PA, MPAS for Medicare patients.

The highest averages for the top procedures that David J. Colliflower, PA, MPAS treated as in Sonoma, CA were joint surgery, lower extremity surgery, open surgery and reconstructive surgery.

aspiration	50
capsulotomy	25
doctor visit	127
injections	50
joint surgery	78
lower extremity surgery	78
open surgery	60
reconstructive surgery	54
removal of internal scar tissue	25
synovectomy	35

Average Medicare Patient Data From 2013 - 2023

Information about Medicare patients treated by David J. Colliflower, PA, MPAS.

**Gender**
Male	38
Female	56

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	29
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	15
85 and over	2
Less than 65	2
65 to 74	43

Average of Total of Conditions of Medicare patients treated by David J. Colliflower, PA, MPAS From 2013 - 2023

The highest averages of the most common conditions of Medicare patients that David J. Colliflower, PA, MPAS treated were hypertension, high cholesterol, ischemic heart disease and depression.

Hypertension	72
High Cholesterol	66
Stroke	0
Ischemic Heart Disease	28
Depression	23
Chronic Kidney Disease	18
Asthma	6
Osteoporosis	6
Heart Failure	5
Chronic Obstructive Pulmonary Disease	3
Diabetes	21
Atrial Fibrillation	6
Cancer	10
Dementia	1

Education & Training

He is certified by the Board Certification: National Commission on Certification of Physician Assistants and has a state license in Washington.

Board Certification: Board Certification: National Commission on Certification of Physician Assistants

Licensed In: Washington

Affiliations & Hospitals

David J. Colliflower, PA, MPAS is associated with these hospitals and organizations:

Marin General Hospital

REGENTS UNIV OF CALIFORNIA UCSF

Ratings & Reviews

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General Payments

These charts describe general payments received by David J. Colliflower, PA, MPAS. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
SANOFI-AVENTIS U.S. LLC	$25 SYNVISC-ONE $25
Heron Therapeutics, Inc.	$18 Zynrelef $18

**Types of Payments**
Food and Beverage	$42

Biography

Mr. David Colliflower is a specialist in orthopedics/orthopedic surgery. He is professionally affiliated with Marin General Hospital. Doctor.com reports that he is accepting new patients at his office in Sonoma, CA.

Select Year:

David J. Colliflower, PA, MPAS

Office Locations

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by David J. Colliflower, PA, MPAS in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by David J. Colliflower, PA, MPAS in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by David J. Colliflower, PA, MPAS in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by David J. Colliflower, PA, MPAS in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by David J. Colliflower, PA, MPAS in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by David J. Colliflower, PA, MPAS in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by David J. Colliflower, PA, MPAS in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by David J. Colliflower, PA, MPAS in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by David J. Colliflower, PA, MPAS in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by David J. Colliflower, PA, MPAS in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by David J. Colliflower, PA, MPAS in 2023

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2013 - 2023

Average Medicare Patient Data From 2013 - 2023

Average of Total of Conditions of Medicare patients treated by David J. Colliflower, PA, MPAS From 2013 - 2023

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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