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Home > CA Providers > Family Physicians & Family Medicine Specialists

Dr. Ronald D. Cotterel, MD, MS

(27 Ratings)

Specializes in: Family Medicine

University of Illinois College of Medicine at Chicago

Professional interests include: complementary medicine, alternative medicine, consultation, and more.

635 Anderson Road Suite 10a
Davis, CA 95616

(530) 758-1122

Dr. Ronald D. Cotterel, MD, MS is a family medicine practitioner in Davis, CA specializing in family medicine. He graduated from University of Illinois College of Medicine at Chicago. Dr. Ronald D. Cotterel, MD, MS is affiliated with Sutter Health.

Office Locations

Sutter Health

635 Anderson Road Suite 10a
Davis, CA 95616

(530) 758-1122

(530) 758-1628

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Ronald D. Cotterel, MD, MS treated as a family medicine practitioner in Davis, CA during 2012 were preventive care and vaccines.

Volume of procedures performed by Dr. Ronald D. Cotterel, MD, MS for Medicare patients.

doctor visit	209
preventive care	28
vaccines	28

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Ronald D. Cotterel, MD, MS treated as a family medicine practitioner in Davis, CA during 2013 were preventive care and vaccines.

Volume of procedures performed by Dr. Ronald D. Cotterel, MD, MS for Medicare patients.

doctor visit	202
preventive care	34
vaccines	34

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald D. Cotterel, MD, MS.

**Gender**
Male	55
Female	56

**Ethnicity**
Non-Hispanic White	97
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	59
From 75 to 84	28
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Ronald D. Cotterel, MD, MS in 2013

Hypertension	41
High Cholesterol	41
Stroke	0
Ischemic Heart Disease	25
Depression	15
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	21
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Ronald D. Cotterel, MD, MS treated as a family medicine practitioner in Davis, CA during 2014 were preventive care, vaccines, removal of lesion (e.g. growth) and skin procedures.

Volume of procedures performed by Dr. Ronald D. Cotterel, MD, MS for Medicare patients.

doctor visit	307
preventive care	53
removal of lesion (e.g. growth)	13
skin procedures	13
vaccines	53

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald D. Cotterel, MD, MS.

**Gender**
Male	85
Female	71

**Ethnicity**
Non-Hispanic White	137
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	78
From 75 to 84	41
85 and over	21
Less than 65	16

Conditions of Medicare patients treated by Dr. Ronald D. Cotterel, MD, MS in 2014

Hypertension	42
High Cholesterol	33
Stroke	0
Ischemic Heart Disease	22
Depression	16
Chronic Kidney Disease	12
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	7
Chronic Obstructive Pulmonary Disease	0
Diabetes	19
Dementia	10
Cancer	9

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Ronald D. Cotterel, MD, MS treated as a family medicine practitioner in Davis, CA during 2015 were preventive care and vaccines.

Volume of procedures performed by Dr. Ronald D. Cotterel, MD, MS for Medicare patients.

doctor visit	383
preventive care	111
vaccines	111

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald D. Cotterel, MD, MS.

**Gender**
Male	190
Female	178

**Ethnicity**
Non-Hispanic White	324
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	192
From 75 to 84	88
85 and over	44
Less than 65	44

Conditions of Medicare patients treated by Dr. Ronald D. Cotterel, MD, MS in 2015

Hypertension	35
High Cholesterol	29
Stroke	0
Ischemic Heart Disease	20
Depression	17
Chronic Kidney Disease	15
Asthma	0
Osteoperosis	6
Atrial Fibrilation	6
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	13
Dementia	7
Cancer	8

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Ronald D. Cotterel, MD, MS treated as a family medicine practitioner in Davis, CA during 2016 were preventive care, vaccines, removal of lesion (e.g. growth) and skin procedures.

Volume of procedures performed by Dr. Ronald D. Cotterel, MD, MS for Medicare patients.

doctor visit	506
ear procedures	13
preventive care	74
removal of lesion (e.g. growth)	19
skin procedures	19
vaccines	74

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald D. Cotterel, MD, MS.

**Gender**
Male	113
Female	128

**Ethnicity**
Non-Hispanic White	212
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	120
From 75 to 84	62
85 and over	37
Less than 65	22

Conditions of Medicare patients treated by Dr. Ronald D. Cotterel, MD, MS in 2016

Hypertension	44
High Cholesterol	34
Stroke	0
Ischemic Heart Disease	22
Depression	21
Chronic Kidney Disease	22
Asthma	9
Osteoperosis	7
Atrial Fibrilation	8
Heart Failure	10
Chronic Obstructive Pulmonary Disease	7
Diabetes	15
Dementia	10
Cancer	10

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Ronald D. Cotterel, MD, MS treated as a family medicine practitioner in Davis, CA during 2017 were preventive care, vaccines, removal of lesion (e.g. growth) and skin procedures.

Volume of procedures performed by Dr. Ronald D. Cotterel, MD, MS for Medicare patients.

doctor visit	489
ear procedures	11
preventive care	55
removal of lesion (e.g. growth)	23
skin procedures	23
vaccines	55

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald D. Cotterel, MD, MS.

**Gender**
Male	117
Female	130

**Ethnicity**
Non-Hispanic White	213
Black	0
Hispanic	0
Asian	0
Other	11
Native American	0

**Age**
From 65 to 74	128
From 75 to 84	70
85 and over	33
Less than 65	16

Conditions of Medicare patients treated by Dr. Ronald D. Cotterel, MD, MS in 2017

Hypertension	43
High Cholesterol	30
Stroke	0
Ischemic Heart Disease	22
Depression	17
Chronic Kidney Disease	23
Asthma	7
Osteoperosis	6
Atrial Fibrilation	9
Heart Failure	10
Chronic Obstructive Pulmonary Disease	8
Diabetes	15
Dementia	8
Cancer	12

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Ronald D. Cotterel, MD, MS treated as a family medicine practitioner in Davis, CA during 2018 were preventive care, vaccines, removal of lesion (e.g. growth) and skin procedures.

Volume of procedures performed by Dr. Ronald D. Cotterel, MD, MS for Medicare patients.

diagnostic procedures	17
doctor visit	489
ear procedures	13
preventive care	94
removal of lesion (e.g. growth)	45
skin procedures	45
vaccines	94

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald D. Cotterel, MD, MS.

**Gender**
Male	123
Female	120

**Ethnicity**
Non-Hispanic White	211
Black	0
Hispanic	0
Asian	0
Other	14
Native American	0

**Age**
From 65 to 74	141
From 75 to 84	60
85 and over	30
Less than 65	12

Conditions of Medicare patients treated by Dr. Ronald D. Cotterel, MD, MS in 2018

Hypertension	44
High Cholesterol	37
Stroke	0
Ischemic Heart Disease	23
Depression	15
Chronic Kidney Disease	23
Asthma	5
Osteoperosis	9
Atrial Fibrilation	7
Heart Failure	6
Chronic Obstructive Pulmonary Disease	6
Diabetes	16
Dementia	7
Cancer	9

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Ronald D. Cotterel, MD, MS treated as a family medicine practitioner in Davis, CA during 2019 were preventive care, vaccines, removal of lesion (e.g. growth) and skin procedures.

Volume of procedures performed by Dr. Ronald D. Cotterel, MD, MS for Medicare patients.

doctor visit	470
ear procedures	38
preventive care	84
removal of lesion (e.g. growth)	58
skin procedures	58
vaccines	84

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald D. Cotterel, MD, MS.

**Gender**
Male	119
Female	111

**Ethnicity**
Non-Hispanic White	195
Black	0
Hispanic	0
Asian	11
Other	12
Native American	0

**Age**
From 65 to 74	107
From 75 to 84	76
85 and over	31
Less than 65	16

Conditions of Medicare patients treated by Dr. Ronald D. Cotterel, MD, MS in 2019

Hypertension	46
High Cholesterol	41
Stroke	0
Ischemic Heart Disease	22
Depression	17
Chronic Kidney Disease	24
Asthma	6
Osteoperosis	7
Atrial Fibrilation	7
Heart Failure	8
Chronic Obstructive Pulmonary Disease	5
Diabetes	15
Dementia	7
Cancer	8

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Ronald D. Cotterel, MD, MS treated as a family medicine practitioner in Davis, CA during 2020 were preventive care, vaccines, removal of lesion (e.g. growth) and skin procedures.

Volume of procedures performed by Dr. Ronald D. Cotterel, MD, MS for Medicare patients.

doctor visit	402
ear procedures	22
preventive care	34
removal of lesion (e.g. growth)	28
skin procedures	28
vaccines	34

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald D. Cotterel, MD, MS.

**Gender**
Male	112
Female	110

**Ethnicity**
Non-Hispanic White	190
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	105
From 75 to 84	77
85 and over	26
Less than 65	14

Conditions of Medicare patients treated by Dr. Ronald D. Cotterel, MD, MS in 2020

Hypertension	43
High Cholesterol	39
Stroke	0
Ischemic Heart Disease	18
Depression	16
Chronic Kidney Disease	25
Asthma	0
Osteoperosis	8
Atrial Fibrilation	6
Heart Failure	7
Chronic Obstructive Pulmonary Disease	6
Diabetes	16
Dementia	6
Cancer	11

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Ronald D. Cotterel, MD, MS treated as a family medicine practitioner in Davis, CA during 2021 were ear procedures, removal of lesion (e.g. growth), skin procedures and preventive care.

Volume of procedures performed by Dr. Ronald D. Cotterel, MD, MS for Medicare patients.

doctor visit	494
ear procedures	27
lab tests	18
preventive care	21
removal of lesion (e.g. growth)	24
skin procedures	24
vaccines	21

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald D. Cotterel, MD, MS.

**Gender**
Male	128
Female	119

**Ethnicity**
Non-Hispanic White	210
Black	0
Hispanic	0
Asian	0
Other	13
Native American	0

**Age**
From 65 to 74	105
From 75 to 84	86
85 and over	36
Less than 65	20

Conditions of Medicare patients treated by Dr. Ronald D. Cotterel, MD, MS in 2021

Hypertension	50
High Cholesterol	47
Stroke	4
Ischemic Heart Disease	23
Depression	20
Chronic Kidney Disease	26
Asthma	9
Osteoperosis	13
Atrial Fibrilation	10
Heart Failure	10
Chronic Obstructive Pulmonary Disease	7
Diabetes	17
Dementia	7
Cancer	11

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Ronald D. Cotterel, MD, MS treated as a family medicine practitioner in Davis, CA during 2022 were removal of lesion (e.g. growth), skin procedures and ear procedures.

Volume of procedures performed by Dr. Ronald D. Cotterel, MD, MS for Medicare patients.

doctor visit	541
ear procedures	25
removal of lesion (e.g. growth)	32
skin procedures	32

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald D. Cotterel, MD, MS.

**Gender**
Male	137
Female	119

**Ethnicity**
Non-Hispanic White	221
Black	0
Hispanic	0
Asian	0
Other	13
Native American	0

**Age**
From 65 to 74	121
From 75 to 84	87
85 and over	30
Less than 65	18

Conditions of Medicare patients treated by Dr. Ronald D. Cotterel, MD, MS in 2022

Hypertension	58
High Cholesterol	63
Stroke	6
Ischemic Heart Disease	17
Depression	14
Chronic Kidney Disease	20
Asthma	10
Osteoperosis	17
Atrial Fibrilation	17
Heart Failure	8
Chronic Obstructive Pulmonary Disease	9
Diabetes	17
Dementia	6
Cancer	16

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Ronald D. Cotterel, MD, MS treated as a family medicine practitioner in Davis, CA during 2023 were ear procedures.

Volume of procedures performed by Dr. Ronald D. Cotterel, MD, MS for Medicare patients.

doctor visit	521
ear procedures	24

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald D. Cotterel, MD, MS.

**Gender**
Male	118
Female	110

**Ethnicity**
Non-Hispanic White	191
Black	0
Hispanic	0
Asian	12
Other	14
Native American	0

**Age**
From 65 to 74	103
From 75 to 84	75
85 and over	36
Less than 65	14

Conditions of Medicare patients treated by Dr. Ronald D. Cotterel, MD, MS in 2023

Hypertension	55
High Cholesterol	58
Stroke	5
Ischemic Heart Disease	21
Depression	16
Chronic Kidney Disease	18
Asthma	10
Osteoperosis	21
Atrial Fibrilation	15
Heart Failure	10
Chronic Obstructive Pulmonary Disease	8
Diabetes	20
Dementia	6
Cancer	15

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Ronald D. Cotterel, MD, MS treated as a family medicine practitioner in Davis, CA during 2024 were ear procedures, removal of lesion (e.g. growth), skin procedures and preventive care.

Volume of procedures performed by Dr. Ronald D. Cotterel, MD, MS for Medicare patients.

doctor visit	500
ear procedures	25
preventive care	11
removal of lesion (e.g. growth)	12
skin procedures	12
vaccines	11

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald D. Cotterel, MD, MS.

**Gender**
Male	122
Female	122

**Ethnicity**
Non-Hispanic White	208
Black	0
Hispanic	0
Asian	0
Other	16
Native American	0

**Age**
From 65 to 74	96
From 75 to 84	95
85 and over	36
Less than 65	17

Conditions of Medicare patients treated by Dr. Ronald D. Cotterel, MD, MS in 2024

Hypertension	59
High Cholesterol	59
Stroke	6
Ischemic Heart Disease	18
Depression	18
Chronic Kidney Disease	19
Asthma	11
Osteoperosis	20
Atrial Fibrilation	18
Heart Failure	10
Chronic Obstructive Pulmonary Disease	8
Diabetes	17
Dementia	5
Cancer	13

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Ronald D. Cotterel, MD, MS for Medicare patients.

The highest averages for the top procedures that Dr. Ronald D. Cotterel, MD, MS treated as a family medicine practitioner in Davis, CA were preventive care, vaccines, removal of lesion (e.g. growth) and skin procedures.

diagnostic procedures	17
doctor visit	424
ear procedures	22
lab tests	18
preventive care	54
removal of lesion (e.g. growth)	28
skin procedures	28
vaccines	54

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Ronald D. Cotterel, MD, MS.

**Gender**
Male	109
Female	105

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	1
Non-Hispanic White	185
Native American / Alaskan Native	0
Hispanic	0
Other	7

**Age**
75 to 84	65
85 and over	27
Less than 65	16
65 to 74	104

Average of Total of Conditions of Medicare patients treated by Dr. Ronald D. Cotterel, MD, MS From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. Ronald D. Cotterel, MD, MS treated were hypertension, high cholesterol, ischemic heart disease and chronic kidney disease.

Hypertension	43
High Cholesterol	39
Stroke	1
Ischemic Heart Disease	19
Depression	15
Chronic Kidney Disease	17
Asthma	5
Osteoporosis	8
Heart Failure	6
Chronic Obstructive Pulmonary Disease	4
Diabetes	15
Atrial Fibrillation	7
Cancer	9
Dementia	6

Education & Training

Dr. Ronald D. Cotterel, MD, MS graduated from University of Illinois College of Medicine at Chicago. He completed residency at University of Michigan Affiliated Hospitals. He is certified by the Family Medicine - Board Certified and has a state license in California.

Medical School: University of Illinois College of Medicine at Chicago

Residency: University of Michigan Affiliated Hospitals

Board Certification: Family Medicine - Board Certified

Licensed In: California

Affiliations & Hospitals

Dr. Ronald D. Cotterel, MD, MS is associated with these hospitals and organizations:

Sutter Health

Ratings & Reviews

Dr. Ronald D. Cotterel, MD, MS has a high overall rating with an average of 4.24 out of 5 stars based on 27 ratings. We collect ratings and reviews of Dr. Ronald D. Cotterel, MD, MS from all over the web to help you find the right in Davis, CA.

4.24

Overall Rating

(27 Ratings)

Leave a Review

Reviews Left On DocSpot

Overall Rating: 1.0 2024-05-24

This provider is a better fit if you are retired with tons of time that you can waste with. The office is slow and the assistants are rude. Instead of managing them, the provider over-protects his staffs even when they are at fault and being unreasonable. Definitely NOT recommend this primary care location for working professionals. We have much better experience in Sutter primary care office next to the hospital or UCDMC primary care in Davis.

General Payments

These charts describe general payments received by Dr. Ronald D. Cotterel, MD, MS. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Tenex Health Inc.	$12 $12

**Types of Payments**
Food and Beverage	$12

Biography

Dr. Ronald Cotterel's area of specialization is family medicine. Dr. Cotterel's average rating from his patients is 5.0 stars (out of 5). His clinical interests include complementary medicine, preventive care, and alternative medicine. He attended the University of Illinois College of Medicine at Chicago for medical school and subsequently trained at a hospital affiliated with the University of Michigan for residency. He is affiliated with Sutter Health.

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Dr. Ronald D. Cotterel, MD, MS

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. Ronald D. Cotterel, MD, MS in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ronald D. Cotterel, MD, MS in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ronald D. Cotterel, MD, MS in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ronald D. Cotterel, MD, MS in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ronald D. Cotterel, MD, MS in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ronald D. Cotterel, MD, MS in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ronald D. Cotterel, MD, MS in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ronald D. Cotterel, MD, MS in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ronald D. Cotterel, MD, MS in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ronald D. Cotterel, MD, MS in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ronald D. Cotterel, MD, MS in 2023

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

2024 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ronald D. Cotterel, MD, MS 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. Ronald D. Cotterel, MD, MS From 2012 - 2024

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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