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Home > CA Providers > Obstetricians & Gynecologists: OB-GYNs

Dr. Mark S. Garrison, DO

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Specializes in: Obstetrics & Gynecology and Family Medicine

Ohio State University College of Medicine (1987)

1025 Village Lane
Chico, CA 95926

(530) 566-0132

Dr. Mark S. Garrison, DO is an obstetrician and gynecologist in Chico, CA specializing in obstetrics & gynecology and family medicine. He graduated from Ohio State University College of Medicine in 1987 and has 39 years of experience. Dr. Mark S. Garrison, DO is affiliated with ENLOE MEDICAL CENTER.

Office Locations

1025 Village Lane
Chico, CA 95926

(530) 566-0132

(530) 566-1682

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702 Mangrove Avenue Pmb 313
Chico, CA 95926

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Mark S. Garrison, DO treated as an obstetrician and gynecologist in Chico, CA during 2012 were lab tests, preventive care, vaccines and hospital care.

Volume of procedures performed by Dr. Mark S. Garrison, DO for Medicare patients.

breast exam	24
cytology	19
diabetes management	35
doctor visit	625
gynecologic pathology	19
gynecologic procedures	24
hospital care	52
inpatient care	52
lab tests	263
preventive care	105
vaccines	53

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Mark S. Garrison, DO treated as an obstetrician and gynecologist in Chico, CA during 2013 were lab tests, preventive care, vaccines and breast exam.

Volume of procedures performed by Dr. Mark S. Garrison, DO for Medicare patients.

breast exam	27
doctor visit	802
ear procedures	11
gynecologic procedures	27
hospital care	21
inpatient care	21
lab tests	204
preventive care	149
vaccines	114

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark S. Garrison, DO.

**Gender**
Male	139
Female	237

**Ethnicity**
Non-Hispanic White	353
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	155
From 75 to 84	114
85 and over	72
Less than 65	35

Conditions of Medicare patients treated by Dr. Mark S. Garrison, DO in 2013

Hypertension	57
High Cholesterol	40
Stroke	0
Ischemic Heart Disease	20
Depression	16
Chronic Kidney Disease	21
Asthma	8
Osteoperosis	9
Atrial Fibrilation	12
Heart Failure	13
Chronic Obstructive Pulmonary Disease	11
Diabetes	25
Dementia	13
Cancer	9

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Mark S. Garrison, DO treated as an obstetrician and gynecologist in Chico, CA during 2014 were lab tests, preventive care, vaccines and breast exam.

Volume of procedures performed by Dr. Mark S. Garrison, DO for Medicare patients.

breast exam	14
doctor visit	666
gynecologic procedures	14
lab tests	142
preventive care	48
vaccines	21

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark S. Garrison, DO.

**Gender**
Male	95
Female	208

**Ethnicity**
Non-Hispanic White	289
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	134
From 75 to 84	94
85 and over	55
Less than 65	20

Conditions of Medicare patients treated by Dr. Mark S. Garrison, DO in 2014

Hypertension	57
High Cholesterol	37
Stroke	0
Ischemic Heart Disease	15
Depression	19
Chronic Kidney Disease	21
Asthma	5
Osteoperosis	11
Atrial Fibrilation	8
Heart Failure	12
Chronic Obstructive Pulmonary Disease	10
Diabetes	23
Dementia	11
Cancer	10

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Mark S. Garrison, DO treated as an obstetrician and gynecologist in Chico, CA during 2015 were breast exam and gynecologic procedures.

Volume of procedures performed by Dr. Mark S. Garrison, DO for Medicare patients.

breast exam	13
doctor visit	273
gynecologic procedures	13

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark S. Garrison, DO.

**Gender**
Male	0
Female	252

**Age**
From 65 to 74	130
From 75 to 84	66
85 and over	26
Less than 65	30

Conditions of Medicare patients treated by Dr. Mark S. Garrison, DO in 2015

Hypertension	47
High Cholesterol	37
Stroke	0
Ischemic Heart Disease	9
Depression	25
Chronic Kidney Disease	17
Asthma	13
Osteoperosis	15
Atrial Fibrilation	10
Heart Failure	10
Chronic Obstructive Pulmonary Disease	10
Diabetes	23
Dementia	0
Cancer	10

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Mark S. Garrison, DO treated as an obstetrician and gynecologist in Chico, CA during 2016 were minimally invasive procedures and gynecologic procedures.

Volume of procedures performed by Dr. Mark S. Garrison, DO for Medicare patients.

doctor visit	267
gynecologic procedures	13
minimally invasive procedures	13

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark S. Garrison, DO.

**Gender**
Male	0
Female	142

**Ethnicity**
Non-Hispanic White	123
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	73
From 75 to 84	32
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Mark S. Garrison, DO in 2016

Hypertension	54
High Cholesterol	45
Stroke	0
Ischemic Heart Disease	12
Depression	18
Chronic Kidney Disease	23
Asthma	15
Osteoperosis	10
Atrial Fibrilation	8
Heart Failure	9
Chronic Obstructive Pulmonary Disease	8
Diabetes	26
Dementia	0
Cancer	11

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Mark S. Garrison, DO treated as an obstetrician and gynecologist in Chico, CA during 2017 were gynecologic procedures, minimally invasive procedures, diagnostic procedures and reconstructive surgery.

Volume of procedures performed by Dr. Mark S. Garrison, DO for Medicare patients.

diagnostic procedures	13
doctor visit	253
gynecologic procedures	25
minimally invasive procedures	23
pelvic surgery	11
reconstructive surgery	11
urologic procedures	11

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark S. Garrison, DO.

**Gender**
Male	0
Female	129

**Ethnicity**
Non-Hispanic White	109
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	59
From 75 to 84	33
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Mark S. Garrison, DO in 2017

Hypertension	53
High Cholesterol	45
Stroke	0
Ischemic Heart Disease	11
Depression	31
Chronic Kidney Disease	21
Asthma	10
Osteoperosis	9
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	9
Diabetes	27
Dementia	0
Cancer	12

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Mark S. Garrison, DO treated as an obstetrician and gynecologist in Chico, CA during 2018 were minimally invasive procedures, placement of vaginal support device, reconstructive surgery and pelvic surgery.

Volume of procedures performed by Dr. Mark S. Garrison, DO for Medicare patients.

doctor visit	241
gynecologic procedures	11
minimally invasive procedures	25
pelvic surgery	14
placement of vaginal support device	17
reconstructive surgery	14
urologic procedures	14

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark S. Garrison, DO.

**Gender**
Male	0
Female	136

**Ethnicity**
Non-Hispanic White	113
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	62
From 75 to 84	35
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Mark S. Garrison, DO in 2018

Hypertension	52
High Cholesterol	41
Stroke	0
Ischemic Heart Disease	15
Depression	24
Chronic Kidney Disease	17
Asthma	12
Osteoperosis	8
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	23
Dementia	0
Cancer	14

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Mark S. Garrison, DO treated as an obstetrician and gynecologist in Chico, CA during 2019 were diagnostic procedures and gynecologic procedures.

Volume of procedures performed by Dr. Mark S. Garrison, DO for Medicare patients.

diagnostic procedures	11
doctor visit	183
gynecologic procedures	11

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark S. Garrison, DO.

**Gender**
Male	0
Female	103

**Ethnicity**
Non-Hispanic White	85
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	55
From 75 to 84	0
85 and over	0
Less than 65	21

Conditions of Medicare patients treated by Dr. Mark S. Garrison, DO in 2019

Hypertension	50
High Cholesterol	41
Stroke	0
Ischemic Heart Disease	14
Depression	33
Chronic Kidney Disease	17
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	17
Dementia	0
Cancer	16

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Mark S. Garrison, DO treated as an obstetrician and gynecologist in Chico, CA during 2020 were diagnostic procedures and gynecologic procedures.

Volume of procedures performed by Dr. Mark S. Garrison, DO for Medicare patients.

diagnostic procedures	14
doctor visit	175
gynecologic procedures	14

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark S. Garrison, DO.

**Gender**
Male	0
Female	102

**Ethnicity**
Non-Hispanic White	85
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	51
From 75 to 84	0
85 and over	0
Less than 65	28

Conditions of Medicare patients treated by Dr. Mark S. Garrison, DO in 2020

Hypertension	47
High Cholesterol	36
Stroke	0
Ischemic Heart Disease	11
Depression	32
Chronic Kidney Disease	21
Asthma	12
Osteoperosis	12
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	22
Dementia	0
Cancer	18

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

Volume of procedures performed by Dr. Mark S. Garrison, DO for Medicare patients.

doctor visit	157

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark S. Garrison, DO.

**Gender**
Male	0
Female	87

**Ethnicity**
Non-Hispanic White	70
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	40
From 75 to 84	25
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Mark S. Garrison, DO in 2021

Hypertension	47
High Cholesterol	45
Stroke	0
Ischemic Heart Disease	17
Depression	29
Chronic Kidney Disease	22
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	17
Dementia	0
Cancer	13

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

Volume of procedures performed by Dr. Mark S. Garrison, DO for Medicare patients.

doctor visit	12

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark S. Garrison, DO.

**Gender**
Male	0
Female	29

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

Conditions of Medicare patients treated by Dr. Mark S. Garrison, DO in 2022

Hypertension	62
High Cholesterol	45
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. Mark S. Garrison, DO for Medicare patients.

The highest averages for the top procedures that Dr. Mark S. Garrison, DO treated as an obstetrician and gynecologist in Chico, CA were lab tests, preventive care, vaccines and inpatient care.

breast exam	19
cytology	19
diabetes management	35
diagnostic procedures	12
doctor visit	332
ear procedures	11
gynecologic pathology	19
gynecologic procedures	16
hospital care	36
inpatient care	36
lab tests	203
minimally invasive procedures	20
pelvic surgery	12
preventive care	100
reconstructive surgery	12
urologic procedures	12
vaccines	62

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Mark S. Garrison, DO.

**Gender**
Male	21
Female	129

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	111
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	36
85 and over	13
Less than 65	12
65 to 74	70

Average of Total of Conditions of Medicare patients treated by Dr. Mark S. Garrison, DO From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Mark S. Garrison, DO treated were hypertension, high cholesterol, depression and diabetes.

Hypertension	47
High Cholesterol	37
Stroke	0
Ischemic Heart Disease	11
Depression	20
Chronic Kidney Disease	16
Asthma	6
Osteoporosis	6
Heart Failure	4
Chronic Obstructive Pulmonary Disease	4
Diabetes	18
Atrial Fibrillation	3
Dementia	2
Cancer	10

Education & Training

Dr. Mark S. Garrison, DO graduated from Ohio State University College of Medicine in 1987. He is certified by the Board Certification: American Osteopathic Association - null and has a state license in California.

Medical School: Ohio State University College of Medicine (1987)

Board Certification: Board Certification: American Osteopathic Association - null

Licensed In: California

Affiliations & Hospitals

Dr. Mark S. Garrison, DO is associated with these hospitals and organizations:

ENLOE MEDICAL CENTER

Ratings & Reviews

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General Payments

These charts describe general payments received by Dr. Mark S. Garrison, DO. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Intuitive Surgical, Inc.	$71,106 DA VINCI SP $54,250	Da Vinci Surgical System $16,856
Stryker Corporation	$2,763 1588 HD 3 Chip Camera $2,763
Applied Medical Resources Corporation	$960 ALEXIS CONTAINED EXTRACTION SYSTEM $642	GELPORT $318
Boston Scientific Corporation	$100 SYMPHION $100
AbbVie, Inc.	$94 Lupron $94
Other	$511 Exparel $90	Uterine Manipulators & Injectors $75	AirSeal $71	LO LOESTRIN FE $53	NEXPLANON $33	Other $188

**Types of Payments**
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$60,500
Travel and Lodging	$7,209
Food and Beverage	$5,052
Education	$2,773

Biography

Dr. Mark Garrison is a Chico, CA physician who specializes in family medicine and obstetrics & gynecology. He graduated from Ohio University College of Osteopathic Medicine and Ohio State University College of Medicine.

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Dr. Mark S. Garrison, DO

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. Mark S. Garrison, DO in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark S. Garrison, DO in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark S. Garrison, DO in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark S. Garrison, DO in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark S. Garrison, DO in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark S. Garrison, DO in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark S. Garrison, DO in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark S. Garrison, DO in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark S. Garrison, DO in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark S. Garrison, DO in 2022

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Average Medicare Patient Data From 2012 - 2022

Average of Total of Conditions of Medicare patients treated by Dr. Mark S. Garrison, DO From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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