Procedure Volume Patient Data Patient Conditions Reviews General Payments Back to Top

Home > CA Providers > Gastroenterologists

Dr. Marna M. Skaar, MD

(No ratings)

Specializes in: Gastroenterology (Digestive System)

50 S San Mateo Drive Suite 280
San Mateo, CA 94401

(650) 342-5667

Dr. Marna M. Skaar, MD is a gastroenterologist in San Mateo, CA specializing in gastroenterology (digestive system).

Office Locations

50 S San Mateo Drive Suite 280
San Mateo, CA 94401

(650) 342-5667

(650) 342-7590

open_in_new

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Marna M. Skaar, MD treated as a gastroenterologist in San Mateo, CA during 2012 were preventive care, minimally invasive procedures, gastrointestinal procedures and lab tests.

Volume of procedures performed by Dr. Marna M. Skaar, MD for Medicare patients.

diagnostic procedures	165
doctor visit	286
gastrointestinal procedures	251
hospital care	122
inpatient care	122
lab tests	230
minimally invasive procedures	251
preventive care	301
removal of lesion (e.g. growth)	165

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Marna M. Skaar, MD treated as a gastroenterologist in San Mateo, CA during 2013 were preventive care, minimally invasive procedures, gastrointestinal procedures and lab tests.

Volume of procedures performed by Dr. Marna M. Skaar, MD for Medicare patients.

diagnostic procedures	196
doctor visit	331
gastrointestinal procedures	276
hospital care	54
inpatient care	54
lab tests	264
minimally invasive procedures	276
preventive care	344
removal of lesion (e.g. growth)	196

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Marna M. Skaar, MD.

**Gender**
Male	67
Female	298

**Ethnicity**
Non-Hispanic White	320
Black	0
Hispanic	14
Asian	18
Other	0
Native American	0

**Age**
From 65 to 74	194
From 75 to 84	128
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Marna M. Skaar, MD in 2013

Hypertension	64
High Cholesterol	56
Stroke	4
Ischemic Heart Disease	19
Depression	13
Chronic Kidney Disease	15
Asthma	5
Osteoperosis	17
Atrial Fibrilation	10
Heart Failure	14
Chronic Obstructive Pulmonary Disease	5
Diabetes	18
Dementia	4
Cancer	19

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Marna M. Skaar, MD treated as a gastroenterologist in San Mateo, CA during 2014 were preventive care, lab tests, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Marna M. Skaar, MD for Medicare patients.

diagnostic procedures	200
doctor visit	389
gastrointestinal procedures	270
lab tests	300
minimally invasive procedures	270
preventive care	370
removal of lesion (e.g. growth)	200

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Marna M. Skaar, MD.

**Gender**
Male	64
Female	317

**Ethnicity**
Non-Hispanic White	320
Black	0
Hispanic	17
Asian	30
Other	0
Native American	0

**Age**
From 65 to 74	223
From 75 to 84	123
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Marna M. Skaar, MD in 2014

Hypertension	59
High Cholesterol	57
Stroke	0
Ischemic Heart Disease	15
Depression	14
Chronic Kidney Disease	12
Asthma	7
Osteoperosis	12
Atrial Fibrilation	8
Heart Failure	9
Chronic Obstructive Pulmonary Disease	6
Diabetes	15
Dementia	0
Cancer	19

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Marna M. Skaar, MD treated as a gastroenterologist in San Mateo, CA during 2015 were preventive care, minimally invasive procedures, gastrointestinal procedures and lab tests.

Volume of procedures performed by Dr. Marna M. Skaar, MD for Medicare patients.

diagnostic procedures	245
doctor visit	440
gastrointestinal procedures	329
lab tests	320
minimally invasive procedures	329
preventive care	404
removal of lesion (e.g. growth)	245

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Marna M. Skaar, MD.

**Gender**
Male	144
Female	690

**Ethnicity**
Non-Hispanic White	712
Black	0
Hispanic	42
Asian	52
Other	0
Native American	0

**Age**
From 65 to 74	506
From 75 to 84	242
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Marna M. Skaar, MD in 2015

Hypertension	59
High Cholesterol	57
Stroke	3
Ischemic Heart Disease	13
Depression	12
Chronic Kidney Disease	13
Asthma	7
Osteoperosis	15
Atrial Fibrilation	10
Heart Failure	7
Chronic Obstructive Pulmonary Disease	6
Diabetes	17
Dementia	0
Cancer	14

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Marna M. Skaar, MD treated as a gastroenterologist in San Mateo, CA during 2016 were preventive care, minimally invasive procedures, gastrointestinal procedures and lab tests.

Volume of procedures performed by Dr. Marna M. Skaar, MD for Medicare patients.

diagnostic procedures	296
doctor visit	519
gastrointestinal procedures	419
hospital care	65
inpatient care	65
lab tests	386
minimally invasive procedures	419
preventive care	492
removal of lesion (e.g. growth)	296

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Marna M. Skaar, MD.

**Gender**
Male	102
Female	402

**Ethnicity**
Non-Hispanic White	420
Black	0
Hispanic	0
Asian	38
Other	22
Native American	0

**Age**
From 65 to 74	251
From 75 to 84	180
85 and over	60
Less than 65	13

Conditions of Medicare patients treated by Dr. Marna M. Skaar, MD in 2016

Hypertension	61
High Cholesterol	53
Stroke	2
Ischemic Heart Disease	18
Depression	15
Chronic Kidney Disease	20
Asthma	13
Osteoperosis	13
Atrial Fibrilation	9
Heart Failure	11
Chronic Obstructive Pulmonary Disease	8
Diabetes	16
Dementia	5
Cancer	16

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Marna M. Skaar, MD treated as a gastroenterologist in San Mateo, CA during 2017 were preventive care, minimally invasive procedures, gastrointestinal procedures and lab tests.

Volume of procedures performed by Dr. Marna M. Skaar, MD for Medicare patients.

diagnostic procedures	238
doctor visit	432
gastrointestinal procedures	339
hospital care	77
inpatient care	77
lab tests	296
minimally invasive procedures	339
preventive care	386
removal of lesion (e.g. growth)	238

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Marna M. Skaar, MD.

**Gender**
Male	88
Female	341

**Ethnicity**
Non-Hispanic White	360
Black	0
Hispanic	0
Asian	33
Other	16
Native American	0

**Age**
From 65 to 74	205
From 75 to 84	171
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Marna M. Skaar, MD in 2017

Hypertension	63
High Cholesterol	47
Stroke	0
Ischemic Heart Disease	18
Depression	15
Chronic Kidney Disease	20
Asthma	10
Osteoperosis	18
Atrial Fibrilation	10
Heart Failure	13
Chronic Obstructive Pulmonary Disease	7
Diabetes	17
Dementia	6
Cancer	17

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Marna M. Skaar, MD treated as a gastroenterologist in San Mateo, CA during 2018 were preventive care, minimally invasive procedures, gastrointestinal procedures and lab tests.

Volume of procedures performed by Dr. Marna M. Skaar, MD for Medicare patients.

diagnostic procedures	301
doctor visit	461
gastrointestinal procedures	413
hospital care	65
inpatient care	65
lab tests	338
minimally invasive procedures	413
preventive care	424
removal of lesion (e.g. growth)	301

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Marna M. Skaar, MD.

**Gender**
Male	94
Female	375

**Ethnicity**
Non-Hispanic White	388
Black	0
Hispanic	21
Asian	37
Other	0
Native American	0

**Age**
From 65 to 74	229
From 75 to 84	174
85 and over	54
Less than 65	12

Conditions of Medicare patients treated by Dr. Marna M. Skaar, MD in 2018

Hypertension	58
High Cholesterol	58
Stroke	3
Ischemic Heart Disease	21
Depression	16
Chronic Kidney Disease	19
Asthma	8
Osteoperosis	14
Atrial Fibrilation	8
Heart Failure	11
Chronic Obstructive Pulmonary Disease	9
Diabetes	19
Dementia	7
Cancer	13

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Marna M. Skaar, MD treated as a gastroenterologist in San Mateo, CA during 2019 were minimally invasive procedures, gastrointestinal procedures, preventive care and removal of lesion (e.g. growth).

Volume of procedures performed by Dr. Marna M. Skaar, MD for Medicare patients.

diagnostic procedures	337
doctor visit	422
gastrointestinal procedures	442
hospital care	116
inpatient care	116
lab tests	281
minimally invasive procedures	442
preventive care	361
removal of lesion (e.g. growth)	337

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Marna M. Skaar, MD.

**Gender**
Male	115
Female	403

**Ethnicity**
Non-Hispanic White	407
Black	0
Hispanic	37
Asian	40
Other	0
Native American	0

**Age**
From 65 to 74	239
From 75 to 84	209
85 and over	54
Less than 65	16

Conditions of Medicare patients treated by Dr. Marna M. Skaar, MD in 2019

Hypertension	61
High Cholesterol	57
Stroke	3
Ischemic Heart Disease	21
Depression	17
Chronic Kidney Disease	22
Asthma	9
Osteoperosis	16
Atrial Fibrilation	10
Heart Failure	14
Chronic Obstructive Pulmonary Disease	10
Diabetes	19
Dementia	6
Cancer	15

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Marna M. Skaar, MD treated as a gastroenterologist in San Mateo, CA during 2020 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Marna M. Skaar, MD for Medicare patients.

diagnostic procedures	208
doctor visit	131
gastrointestinal procedures	261
hospital care	40
inpatient care	40
lab tests	74
minimally invasive procedures	261
preventive care	127
removal of lesion (e.g. growth)	208

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Marna M. Skaar, MD.

**Gender**
Male	59
Female	248

**Ethnicity**
Non-Hispanic White	250
Black	0
Hispanic	16
Asian	24
Other	17
Native American	0

**Age**
From 65 to 74	144
From 75 to 84	138
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Marna M. Skaar, MD in 2020

Hypertension	52
High Cholesterol	54
Stroke	0
Ischemic Heart Disease	17
Depression	16
Chronic Kidney Disease	20
Asthma	6
Osteoperosis	15
Atrial Fibrilation	9
Heart Failure	10
Chronic Obstructive Pulmonary Disease	6
Diabetes	18
Dementia	5
Cancer	13

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2020

Volume of procedures performed by Dr. Marna M. Skaar, MD for Medicare patients.

The highest averages for the top procedures that Dr. Marna M. Skaar, MD treated as a gastroenterologist in San Mateo, CA were preventive care, minimally invasive procedures, gastrointestinal procedures and lab tests.

diagnostic procedures	242
doctor visit	379
gastrointestinal procedures	333
hospital care	77
inpatient care	77
lab tests	276
minimally invasive procedures	333
preventive care	356
removal of lesion (e.g. growth)	242

Average Medicare Patient Data From 2012 - 2020

Information about Medicare patients treated by Dr. Marna M. Skaar, MD.

**Gender**
Male	81
Female	341

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	30
Non-Hispanic White	353
Hispanic	16
Native American / Alaskan Native	0
Other	6

**Age**
75 to 84	151
85 and over	18
Less than 65	4
65 to 74	221

Average of Total of Conditions of Medicare patients treated by Dr. Marna M. Skaar, MD From 2012 - 2020

The highest averages of the most common conditions of Medicare patients that Dr. Marna M. Skaar, MD treated were hypertension, high cholesterol, chronic kidney disease and diabetes.

Hypertension	53
High Cholesterol	48
Stroke	1
Ischemic Heart Disease	15
Depression	13
Chronic Kidney Disease	15
Asthma	7
Osteoporosis	13
Heart Failure	9
Chronic Obstructive Pulmonary Disease	6
Diabetes	15
Atrial Fibrillation	8
Cancer	14
Dementia	3

Education & Training

She has a state license in California.

Licensed In: California

Ratings & Reviews

Dr. Marna M. Skaar, MD does not have any reviews yet, be the first to leave a review of Dr. Marna M. Skaar, MD here: Leave a Review

(No ratings)

Leave a Review

General Payments

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

**Payments by Company**
Takeda Pharmaceuticals America, Inc.	$308 AMITIZA $183	Dexilant $126
Allergan Inc.	$255 LINZESS $116	VIBERZI $116	ZENPEP $24
Salix Pharmaceuticals, a division of Bausch Health US, LLC	$182 XIFAXAN $134	Trulance $43	PLENVU $5
Takeda Pharmaceuticals U.S.A., Inc.	$180 ENTYVIO $69	Dexilant $58	AMITIZA $41	MOTEGRITY $12
E.R. Squibb & Sons, L.L.C.	$119 DAKLINZA $119
Other	$749 STELARA $113	GI Solutions $109	LINZESS $63	ZINPLAVA $36	Uceris $33	Other $393

**Types of Payments**
Food and Beverage	$1,724
Education	$69

Biography

Dr. Marna Skaar specializes in gastroenterology (digestive system) and practices in San Mateo, CA. Dr. Skaar obtained a license to practice in California.