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Dr. Wendy Davis, MD

Accepting New Patients

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Specializes in: Adult Gastroenterology

Duke University School of Medicine

200 Tamal Plaza Suite 200
Corte Madera, CA 94925

(415) 925-6900

Dr. Wendy Davis, MD is a gastroenterologist in Corte Madera, CA specializing in adult gastroenterology. She graduated from Duke University School of Medicine. Dr. Wendy Davis, MD is affiliated with Sutter Health.

Office Locations

200 Tamal Plaza Suite 200
Corte Madera, CA 94925

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In The News

“Larry will be greatly missed by his wife of 60 years, Sausalito artist Carolyn Rein Zaroff, their three children, Susan Z. Breyer of Woodside, CA, Dr. Wendy Z. Davis of Mill Valley, CA and Dr....”—"Lawrence I. Zaroff", Marin Independent Journal, May 2015

“"We'll live out of a van if we have to," said Wendy Davis.”—"Town Defies HMO, Rallies Around Doctor", Los Angeles Times, December 2000

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Wendy Davis, MD treated as a gastroenterologist in Corte Madera, CA during 2012 were minimally invasive procedures, gastrointestinal procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Wendy Davis, MD for Medicare patients.

blood draw	19
diagnostic procedures	121
doctor visit	91
gastrointestinal procedures	165
hospital care	126
inpatient care	126
minimally invasive procedures	165
preventive care	24
removal of lesion (e.g. growth)	121

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Wendy Davis, MD treated as a gastroenterologist in Corte Madera, CA during 2013 were minimally invasive procedures, gastrointestinal procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Wendy Davis, MD for Medicare patients.

blood draw	13
diagnostic procedures	113
doctor visit	194
gastrointestinal procedures	126
hospital care	125
inpatient care	125
minimally invasive procedures	126
removal of lesion (e.g. growth)	113

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Wendy Davis, MD.

**Gender**
Male	113
Female	191

**Ethnicity**
Non-Hispanic White	259
Black	22
Hispanic	12
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	131
From 75 to 84	95
85 and over	34
Less than 65	44

Conditions of Medicare patients treated by Dr. Wendy Davis, MD in 2013

Hypertension	66
High Cholesterol	57
Stroke	6
Ischemic Heart Disease	34
Depression	25
Chronic Kidney Disease	22
Asthma	10
Osteoperosis	10
Atrial Fibrilation	13
Heart Failure	15
Chronic Obstructive Pulmonary Disease	13
Diabetes	27
Dementia	12
Cancer	13

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Wendy Davis, MD treated as a gastroenterologist in Corte Madera, CA during 2014 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Wendy Davis, MD for Medicare patients.

diagnostic procedures	259
doctor visit	300
gastrointestinal procedures	397
hospital care	220
injections	12
inpatient care	220
minimally invasive procedures	397
preventive care	96
removal of lesion (e.g. growth)	259

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Wendy Davis, MD.

**Gender**
Male	174
Female	338

**Ethnicity**
Non-Hispanic White	456
Black	11
Hispanic	16
Asian	11
Other	18
Native American	0

**Age**
From 65 to 74	256
From 75 to 84	140
85 and over	76
Less than 65	40

Conditions of Medicare patients treated by Dr. Wendy Davis, MD in 2014

Hypertension	54
High Cholesterol	51
Stroke	7
Ischemic Heart Disease	27
Depression	21
Chronic Kidney Disease	18
Asthma	7
Osteoperosis	12
Atrial Fibrilation	13
Heart Failure	12
Chronic Obstructive Pulmonary Disease	8
Diabetes	16
Dementia	11
Cancer	14

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Wendy Davis, MD treated as a gastroenterologist in Corte Madera, CA during 2015 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Wendy Davis, MD for Medicare patients.

diagnostic procedures	260
doctor visit	391
gastrointestinal procedures	333
hospital care	153
injections	15
inpatient care	153
minimally invasive procedures	333
preventive care	39
removal of lesion (e.g. growth)	260

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Wendy Davis, MD.

**Gender**
Male	274
Female	690

**Ethnicity**
Non-Hispanic White	854
Black	0
Hispanic	38
Asian	36
Other	0
Native American	0

**Age**
From 65 to 74	540
From 75 to 84	264
85 and over	94
Less than 65	66

Conditions of Medicare patients treated by Dr. Wendy Davis, MD in 2015

Hypertension	52
High Cholesterol	48
Stroke	6
Ischemic Heart Disease	26
Depression	23
Chronic Kidney Disease	15
Asthma	11
Osteoperosis	11
Atrial Fibrilation	14
Heart Failure	12
Chronic Obstructive Pulmonary Disease	11
Diabetes	17
Dementia	10
Cancer	14

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Wendy Davis, MD treated as a gastroenterologist in Corte Madera, CA during 2016 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Wendy Davis, MD for Medicare patients.

diagnostic procedures	348
doctor visit	396
gastrointestinal procedures	430
hospital care	193
injections	11
inpatient care	193
minimally invasive procedures	430
preventive care	57
removal of lesion (e.g. growth)	348

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Wendy Davis, MD.

**Gender**
Male	166
Female	371

**Ethnicity**
Non-Hispanic White	477
Black	0
Hispanic	19
Asian	25
Other	0
Native American	0

**Age**
From 65 to 74	301
From 75 to 84	158
85 and over	51
Less than 65	27

Conditions of Medicare patients treated by Dr. Wendy Davis, MD in 2016

Hypertension	55
High Cholesterol	52
Stroke	4
Ischemic Heart Disease	27
Depression	24
Chronic Kidney Disease	20
Asthma	14
Osteoperosis	7
Atrial Fibrilation	15
Heart Failure	12
Chronic Obstructive Pulmonary Disease	8
Diabetes	19
Dementia	12
Cancer	14

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Wendy Davis, MD treated as a gastroenterologist in Corte Madera, CA during 2017 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Wendy Davis, MD for Medicare patients.

diagnostic procedures	290
doctor visit	325
gastrointestinal procedures	380
hospital care	220
injections	12
inpatient care	220
minimally invasive procedures	380
preventive care	63
removal of lesion (e.g. growth)	290

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Wendy Davis, MD.

**Gender**
Male	158
Female	333

**Ethnicity**
Non-Hispanic White	438
Black	0
Hispanic	20
Asian	14
Other	0
Native American	0

**Age**
From 65 to 74	268
From 75 to 84	151
85 and over	50
Less than 65	22

Conditions of Medicare patients treated by Dr. Wendy Davis, MD in 2017

Hypertension	53
High Cholesterol	47
Stroke	6
Ischemic Heart Disease	29
Depression	25
Chronic Kidney Disease	25
Asthma	9
Osteoperosis	11
Atrial Fibrilation	13
Heart Failure	13
Chronic Obstructive Pulmonary Disease	10
Diabetes	18
Dementia	12
Cancer	14

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Wendy Davis, MD treated as a gastroenterologist in Corte Madera, CA during 2018 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Wendy Davis, MD for Medicare patients.

diagnostic procedures	335
doctor visit	351
gastrointestinal procedures	412
hospital care	175
injections	13
inpatient care	175
minimally invasive procedures	412
preventive care	64
removal of lesion (e.g. growth)	335

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Wendy Davis, MD.

**Gender**
Male	144
Female	391

**Ethnicity**
Non-Hispanic White	469
Black	0
Hispanic	21
Asian	0
Other	20
Native American	0

**Age**
From 65 to 74	279
From 75 to 84	154
85 and over	63
Less than 65	39

Conditions of Medicare patients treated by Dr. Wendy Davis, MD in 2018

Hypertension	51
High Cholesterol	51
Stroke	6
Ischemic Heart Disease	27
Depression	22
Chronic Kidney Disease	22
Asthma	8
Osteoperosis	15
Atrial Fibrilation	11
Heart Failure	11
Chronic Obstructive Pulmonary Disease	9
Diabetes	15
Dementia	10
Cancer	12

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Wendy Davis, MD treated as a gastroenterologist in Corte Madera, CA during 2019 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Wendy Davis, MD for Medicare patients.

diagnostic procedures	278
doctor visit	337
gastrointestinal procedures	349
hospital care	162
inpatient care	162
minimally invasive procedures	349
preventive care	71
removal of lesion (e.g. growth)	278

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Wendy Davis, MD.

**Gender**
Male	160
Female	355

**Ethnicity**
Non-Hispanic White	458
Black	0
Hispanic	18
Asian	0
Other	19
Native American	0

**Age**
From 65 to 74	279
From 75 to 84	162
85 and over	51
Less than 65	23

Conditions of Medicare patients treated by Dr. Wendy Davis, MD in 2019

Hypertension	50
High Cholesterol	51
Stroke	5
Ischemic Heart Disease	28
Depression	27
Chronic Kidney Disease	23
Asthma	7
Osteoperosis	13
Atrial Fibrilation	12
Heart Failure	14
Chronic Obstructive Pulmonary Disease	11
Diabetes	18
Dementia	8
Cancer	14

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Wendy Davis, MD treated as a gastroenterologist in Corte Madera, CA during 2020 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Wendy Davis, MD for Medicare patients.

diagnostic procedures	258
doctor visit	267
gastrointestinal procedures	297
hospital care	100
inpatient care	100
minimally invasive procedures	297
preventive care	39
removal of lesion (e.g. growth)	258

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Wendy Davis, MD.

**Gender**
Male	129
Female	290

**Ethnicity**
Non-Hispanic White	368
Black	0
Hispanic	12
Asian	0
Other	23
Native American	0

**Age**
From 65 to 74	219
From 75 to 84	132
85 and over	43
Less than 65	25

Conditions of Medicare patients treated by Dr. Wendy Davis, MD in 2020

Hypertension	49
High Cholesterol	47
Stroke	5
Ischemic Heart Disease	28
Depression	22
Chronic Kidney Disease	22
Asthma	8
Osteoperosis	12
Atrial Fibrilation	11
Heart Failure	11
Chronic Obstructive Pulmonary Disease	10
Diabetes	17
Dementia	9
Cancer	14

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Wendy Davis, MD treated as a gastroenterologist in Corte Madera, CA during 2021 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Wendy Davis, MD for Medicare patients.

diagnostic procedures	283
doctor visit	287
gastrointestinal procedures	345
hospital care	141
inpatient care	141
minimally invasive procedures	345
preventive care	62
removal of lesion (e.g. growth)	283

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Wendy Davis, MD.

**Gender**
Male	156
Female	324

**Ethnicity**
Non-Hispanic White	426
Black	11
Hispanic	15
Asian	11
Other	17
Native American	0

**Age**
From 65 to 74	246
From 75 to 84	165
85 and over	44
Less than 65	25

Conditions of Medicare patients treated by Dr. Wendy Davis, MD in 2021

Hypertension	54
High Cholesterol	58
Stroke	5
Ischemic Heart Disease	27
Depression	23
Chronic Kidney Disease	22
Asthma	6
Osteoperosis	17
Atrial Fibrilation	12
Heart Failure	12
Chronic Obstructive Pulmonary Disease	8
Diabetes	16
Dementia	8
Cancer	14

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Wendy Davis, MD treated as a gastroenterologist in Corte Madera, CA during 2022 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Wendy Davis, MD for Medicare patients.

diagnostic procedures	245
doctor visit	243
gastrointestinal procedures	301
hospital care	92
inpatient care	92
minimally invasive procedures	301
preventive care	56
removal of lesion (e.g. growth)	245

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Wendy Davis, MD.

**Gender**
Male	147
Female	292

**Ethnicity**
Non-Hispanic White	403
Black	0
Hispanic	0
Asian	0
Other	12
Native American	0

**Age**
From 65 to 74	213
From 75 to 84	175
85 and over	32
Less than 65	19

Conditions of Medicare patients treated by Dr. Wendy Davis, MD in 2022

Hypertension	57
High Cholesterol	73
Stroke	9
Ischemic Heart Disease	20
Depression	21
Chronic Kidney Disease	13
Asthma	11
Osteoperosis	26
Atrial Fibrilation	19
Heart Failure	11
Chronic Obstructive Pulmonary Disease	8
Diabetes	14
Dementia	4
Cancer	18

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Wendy Davis, MD for Medicare patients.

The highest averages for the top procedures that Dr. Wendy Davis, MD treated as a gastroenterologist in Corte Madera, CA were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

blood draw	16
diagnostic procedures	253
doctor visit	289
gastrointestinal procedures	321
hospital care	155
injections	12
inpatient care	155
minimally invasive procedures	321
preventive care	57
removal of lesion (e.g. growth)	253

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Wendy Davis, MD.

**Gender**
Male	147
Female	325

**Ethnicity**
Black / African American	4
Asian / Pacific Islander	8
Non-Hispanic White	418
Native American / Alaskan Native	0
Hispanic	15
Other	9

**Age**
75 to 84	145
85 and over	48
Less than 65	30
65 to 74	248

Average of Total of Conditions of Medicare patients treated by Dr. Wendy Davis, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Wendy Davis, MD treated were hypertension, high cholesterol, ischemic heart disease and depression.

Hypertension	49
High Cholesterol	48
Stroke	5
Ischemic Heart Disease	24
Depression	21
Chronic Kidney Disease	18
Asthma	8
Osteoporosis	12
Heart Failure	11
Chronic Obstructive Pulmonary Disease	8
Diabetes	16
Atrial Fibrillation	12
Dementia	8
Cancer	12

Education & Training

Dr. Wendy Davis, MD graduated from Duke University School of Medicine. She completed residency at Duke University Medical Center. She has a state license in California.

Medical School: Duke University School of Medicine

Residency: Duke University Medical Center

Licensed In: California

Affiliations & Hospitals

Dr. Wendy Davis, MD is associated with these hospitals and organizations:

Sutter Health

Ratings & Reviews

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General Payments

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

**Payments by Company**
AbbVie, Inc.	$1,058 Humira $455	Creon $191	Mavyret $131	Viekira $55	Technivie $31	Other $194
AbbVie Inc.	$363 Humira $128	Creon $128	Rinvoq $68	Mavyret $39
Salix Pharmaceuticals, a division of Bausch Health US, LLC	$333 Trulance $169	XIFAXAN $140	Uceris $24
Takeda Pharmaceuticals U.S.A., Inc.	$281 ENTYVIO $207	MOTEGRITY $56	GATTEX $18
Janssen Biotech, Inc.	$252 STELARA $159	SIMPONI $93
Other	$1,919 LINZESS $257	XELJANZ $116	Lotronex $106	ENTYVIO $97	ZEPOSIA $92	Other $1,251

**Types of Payments**
Food and Beverage	$4,117
Education	$88

Biography

Dr. Wendy Davis' specialty is adult gastroenterology. She graduated from Duke University School of Medicine. Dr. Davis's training includes a residency program at Duke University Medical Center. She is professionally affiliated with Sutter Health. According to Sutter Health, new patients are welcome to contact Dr. Davis's office in Corte Madera, CA.