In 2012, Dr. Mark Stephen Singer, MD had a list price for immunization (preventive vaccines), nursing home care, removal of benign (non-cancerous) skin lesion, and vaccines that was lower than the list prices billed to Medicare by 75% of providers in related specialties within California. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Mark Stephen Singer, MD treated as an internist in Napa, CA during 2012 were removal of lesion (e.g. growth), skin procedures, blood draw and preventive care.

Volume of procedures performed by Dr. Mark Stephen Singer, MD for Medicare patients.

blood draw	94
doctor visit	1229
ear procedures	14
preventive care	92
removal of lesion (e.g. growth)	97
skin procedures	97
vaccines	92

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Mark Stephen Singer, MD treated as an internist in Napa, CA during 2013 were preventive care, vaccines, removal of lesion (e.g. growth) and skin procedures.

Volume of procedures performed by Dr. Mark Stephen Singer, MD for Medicare patients.

blood draw	79
doctor visit	1189
preventive care	103
removal of lesion (e.g. growth)	80
skin procedures	80
vaccines	103

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Stephen Singer, MD.

**Gender**
Male	70
Female	153

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

**Age**
From 65 to 74	0
From 75 to 84	42
85 and over	159
Less than 65	0

Conditions of Medicare patients treated by Dr. Mark Stephen Singer, MD in 2013

Hypertension	75
High Cholesterol	29
Stroke	6
Ischemic Heart Disease	46
Depression	21
Chronic Kidney Disease	32
Asthma	0
Osteoperosis	9
Atrial Fibrilation	17
Heart Failure	39
Chronic Obstructive Pulmonary Disease	14
Diabetes	25
Dementia	67
Cancer	9

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Mark Stephen Singer, MD treated as an internist in Napa, CA during 2014 were preventive care, vaccines, removal of lesion (e.g. growth) and skin procedures.

Volume of procedures performed by Dr. Mark Stephen Singer, MD for Medicare patients.

blood draw	62
doctor visit	1191
preventive care	112
removal of lesion (e.g. growth)	73
skin procedures	73
vaccines	112

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Stephen Singer, MD.

**Gender**
Male	61
Female	150

**Ethnicity**
Non-Hispanic White	200
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	0
From 75 to 84	46
85 and over	145
Less than 65	0

Conditions of Medicare patients treated by Dr. Mark Stephen Singer, MD in 2014

Hypertension	75
High Cholesterol	27
Stroke	9
Ischemic Heart Disease	43
Depression	27
Chronic Kidney Disease	27
Asthma	0
Osteoperosis	9
Atrial Fibrilation	16
Heart Failure	36
Chronic Obstructive Pulmonary Disease	11
Diabetes	20
Dementia	63
Cancer	9

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Mark Stephen Singer, MD treated as an internist in Napa, CA during 2015 were preventive care, vaccines, blood draw and removal of lesion (e.g. growth).

Volume of procedures performed by Dr. Mark Stephen Singer, MD for Medicare patients.

blood draw	99
doctor visit	1319
preventive care	103
removal of lesion (e.g. growth)	47
skin procedures	47
vaccines	103

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Stephen Singer, MD.

**Gender**
Male	102
Female	240

**Age**
From 65 to 74	0
From 75 to 84	86
85 and over	230
Less than 65	0

Conditions of Medicare patients treated by Dr. Mark Stephen Singer, MD in 2015

Hypertension	75
High Cholesterol	24
Stroke	0
Ischemic Heart Disease	47
Depression	27
Chronic Kidney Disease	28
Asthma	0
Osteoperosis	8
Atrial Fibrilation	14
Heart Failure	30
Chronic Obstructive Pulmonary Disease	9
Diabetes	19
Dementia	61
Cancer	9

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Mark Stephen Singer, MD treated as an internist in Napa, CA during 2016 were blood draw, preventive care, vaccines and removal of lesion (e.g. growth).

Volume of procedures performed by Dr. Mark Stephen Singer, MD for Medicare patients.

blood draw	88
doctor visit	1102
preventive care	79
removal of lesion (e.g. growth)	53
skin procedures	53
vaccines	79

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Stephen Singer, MD.

**Gender**
Male	43
Female	103

**Age**
From 65 to 74	0
From 75 to 84	36
85 and over	96
Less than 65	0

Conditions of Medicare patients treated by Dr. Mark Stephen Singer, MD in 2016

Hypertension	75
High Cholesterol	26
Stroke	0
Ischemic Heart Disease	51
Depression	25
Chronic Kidney Disease	36
Asthma	12
Osteoperosis	0
Atrial Fibrilation	13
Heart Failure	35
Chronic Obstructive Pulmonary Disease	13
Diabetes	20
Dementia	68
Cancer	0

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Mark Stephen Singer, MD treated as an internist in Napa, CA during 2017 were preventive care, vaccines, blood draw and removal of lesion (e.g. growth).

Volume of procedures performed by Dr. Mark Stephen Singer, MD for Medicare patients.

blood draw	51
doctor visit	945
preventive care	72
removal of lesion (e.g. growth)	32
skin procedures	32
vaccines	72

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Stephen Singer, MD.

**Gender**
Male	43
Female	85

**Age**
From 65 to 74	0
From 75 to 84	30
85 and over	86
Less than 65	0

Conditions of Medicare patients treated by Dr. Mark Stephen Singer, MD in 2017

Hypertension	75
High Cholesterol	24
Stroke	0
Ischemic Heart Disease	43
Depression	23
Chronic Kidney Disease	37
Asthma	0
Osteoperosis	0
Atrial Fibrilation	13
Heart Failure	37
Chronic Obstructive Pulmonary Disease	10
Diabetes	21
Dementia	72
Cancer	0

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Mark Stephen Singer, MD treated as an internist in Napa, CA during 2018 were preventive care, vaccines, blood draw and chronic care.

Volume of procedures performed by Dr. Mark Stephen Singer, MD for Medicare patients.

blood draw	48
chronic care	39
doctor visit	709
preventive care	52
removal of lesion (e.g. growth)	25
skin procedures	25
vaccines	52

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Stephen Singer, MD.

**Gender**
Male	30
Female	71

**Age**
From 65 to 74	0
From 75 to 84	21
85 and over	68
Less than 65	0

Conditions of Medicare patients treated by Dr. Mark Stephen Singer, MD in 2018

Hypertension	75
High Cholesterol	30
Stroke	0
Ischemic Heart Disease	50
Depression	25
Chronic Kidney Disease	29
Asthma	0
Osteoperosis	0
Atrial Fibrilation	11
Heart Failure	36
Chronic Obstructive Pulmonary Disease	14
Diabetes	17
Dementia	75
Cancer	0

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Mark Stephen Singer, MD treated as an internist in Napa, CA during 2019 were chronic care, nursing home care, removal of lesion (e.g. growth) and skin procedures.

Volume of procedures performed by Dr. Mark Stephen Singer, MD for Medicare patients.

blood draw	18
chronic care	123
doctor visit	686
nursing home care	61
removal of lesion (e.g. growth)	24
skin procedures	24

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Stephen Singer, MD.

**Gender**
Male	30
Female	57

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	63
Less than 65	0

Conditions of Medicare patients treated by Dr. Mark Stephen Singer, MD in 2019

Hypertension	75
High Cholesterol	36
Stroke	0
Ischemic Heart Disease	52
Depression	37
Chronic Kidney Disease	37
Asthma	0
Osteoperosis	0
Atrial Fibrilation	15
Heart Failure	43
Chronic Obstructive Pulmonary Disease	23
Diabetes	17
Dementia	75
Cancer	0

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Mark Stephen Singer, MD treated as an internist in Napa, CA during 2020 were nursing home care, chronic care, removal of lesion (e.g. growth) and skin procedures.

Volume of procedures performed by Dr. Mark Stephen Singer, MD for Medicare patients.

blood draw	16
chronic care	30
doctor visit	800
nursing home care	67
removal of lesion (e.g. growth)	20
skin procedures	20

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Stephen Singer, MD.

**Gender**
Male	30
Female	68

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	68
Less than 65	0

Conditions of Medicare patients treated by Dr. Mark Stephen Singer, MD in 2020

Hypertension	75
High Cholesterol	38
Stroke	0
Ischemic Heart Disease	44
Depression	40
Chronic Kidney Disease	33
Asthma	0
Osteoperosis	12
Atrial Fibrilation	15
Heart Failure	37
Chronic Obstructive Pulmonary Disease	21
Diabetes	20
Dementia	75
Cancer	14

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Mark Stephen Singer, MD treated as an internist in Napa, CA during 2021 were nursing home care, blood draw, removal of lesion (e.g. growth) and skin procedures.

Volume of procedures performed by Dr. Mark Stephen Singer, MD for Medicare patients.

blood draw	29
doctor visit	585
nursing home care	120
preventive care	25
removal of lesion (e.g. growth)	26
skin procedures	26
vaccines	25

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Stephen Singer, MD.

**Gender**
Male	31
Female	80

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	71
Less than 65	0

Conditions of Medicare patients treated by Dr. Mark Stephen Singer, MD in 2021

Hypertension	75
High Cholesterol	45
Stroke	14
Ischemic Heart Disease	40
Depression	39
Chronic Kidney Disease	41
Asthma	11
Osteoperosis	13
Atrial Fibrilation	23
Heart Failure	41
Chronic Obstructive Pulmonary Disease	16
Diabetes	23
Dementia	75
Cancer	14

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Mark Stephen Singer, MD treated as an internist in Napa, CA during 2022 were nursing home care, removal of lesion (e.g. growth), skin procedures and blood draw.

Volume of procedures performed by Dr. Mark Stephen Singer, MD for Medicare patients.

blood draw	25
doctor visit	449
nursing home care	438
preventive care	17
removal of lesion (e.g. growth)	30
skin procedures	30
vaccines	17

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Stephen Singer, MD.

**Gender**
Male	61
Female	131

**Ethnicity**
Non-Hispanic White	175
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	0
From 75 to 84	72
85 and over	91
Less than 65	0

Conditions of Medicare patients treated by Dr. Mark Stephen Singer, MD in 2022

Hypertension	75
High Cholesterol	69
Stroke	20
Ischemic Heart Disease	39
Depression	50
Chronic Kidney Disease	36
Asthma	18
Osteoperosis	26
Atrial Fibrilation	36
Heart Failure	36
Chronic Obstructive Pulmonary Disease	21
Diabetes	29
Dementia	45
Cancer	23

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Mark Stephen Singer, MD for Medicare patients.

The highest averages for the top procedures that Dr. Mark Stephen Singer, MD treated as an internist in Napa, CA were nursing home care, preventive care, vaccines and chronic care.

blood draw	55
chronic care	64
doctor visit	927
ear procedures	14
nursing home care	171
preventive care	72
removal of lesion (e.g. growth)	46
skin procedures	46
vaccines	72

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Mark Stephen Singer, MD.

**Gender**
Male	45
Female	103

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	53
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	30
85 and over	97
Less than 65	0
65 to 74	0

Average of Total of Conditions of Medicare patients treated by Dr. Mark Stephen Singer, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Mark Stephen Singer, MD treated were hypertension, dementia, ischemic heart disease and heart failure.

Hypertension	68
High Cholesterol	31
Stroke	4
Ischemic Heart Disease	41
Depression	28
Chronic Kidney Disease	30
Asthma	3
Osteoporosis	7
Heart Failure	33
Chronic Obstructive Pulmonary Disease	13
Diabetes	19
Atrial Fibrillation	15
Dementia	61
Cancer	7