In 2024, among providers in related specialties within California, Dr. David Quillian Segars, MD performed more fecal occult blood test (FOBT), and screening stool guaiac test (gFOBT) procedures for Medicare patients than 95% of them and he also had a list price for colorectal cancer screening, flu shot, flu vaccine, immunization (preventive vaccines), and vaccines that was lower than the list prices billed to Medicare by 95% of them. 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.

Top 10%

By Volume:

blood draw

phlebotomy for lab tests

In 2024, Dr. David Quillian Segars, MD performed more blood draw, and phlebotomy for lab tests procedures for Medicare patients than 90% of providers in related specialties within California.

Top 25%

By Volume:

impacted ear wax removal

preventive care

By Affordability:

blood draw

blood draw for lab tests

cancer prevention

cancer screening

phlebotomy for lab tests

screening test

venipuncture

In 2012, among providers in related specialties within California, Dr. David Quillian Segars, MD performed more impacted ear wax removal, and preventive care procedures for Medicare patients than 75% of them and he also had a list price for blood draw, blood draw for lab tests, cancer prevention, cancer screening, phlebotomy for lab tests, screening test, and venipuncture (phlebotomy) that was lower than the list prices billed to Medicare by 75% of them. 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. David Quillian Segars, MD treated as a family medicine practitioner in San Francisco, CA during 2012 were blood draw, preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. David Quillian Segars, MD for Medicare patients.

blood draw	473
doctor visit	834
ear procedures	24
lab tests	38
preventive care	146
vaccines	108

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. David Quillian Segars, MD treated as a family medicine practitioner in San Francisco, CA during 2013 were blood draw, preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. David Quillian Segars, MD for Medicare patients.

blood draw	427
doctor visit	757
ear procedures	28
lab tests	46
preventive care	166
vaccines	120

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. David Quillian Segars, MD.

**Gender**
Male	106
Female	126

**Ethnicity**
Non-Hispanic White	160
Black	0
Hispanic	18
Asian	28
Other	0
Native American	0

**Age**
From 65 to 74	87
From 75 to 84	75
85 and over	54
Less than 65	16

Conditions of Medicare patients treated by Dr. David Quillian Segars, MD in 2013

Hypertension	59
High Cholesterol	49
Stroke	6
Ischemic Heart Disease	22
Depression	16
Chronic Kidney Disease	16
Asthma	7
Osteoperosis	7
Atrial Fibrilation	13
Heart Failure	7
Chronic Obstructive Pulmonary Disease	0
Diabetes	26
Dementia	8
Cancer	9

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. David Quillian Segars, MD treated as a family medicine practitioner in San Francisco, CA during 2014 were blood draw, preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. David Quillian Segars, MD for Medicare patients.

blood draw	423
doctor visit	821
ear procedures	20
lab tests	62
preventive care	179
vaccines	117

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. David Quillian Segars, MD.

**Gender**
Male	113
Female	134

**Ethnicity**
Non-Hispanic White	181
Black	18
Hispanic	0
Asian	23
Other	0
Native American	0

**Age**
From 65 to 74	95
From 75 to 84	70
85 and over	61
Less than 65	21

Conditions of Medicare patients treated by Dr. David Quillian Segars, MD in 2014

Hypertension	57
High Cholesterol	44
Stroke	5
Ischemic Heart Disease	22
Depression	17
Chronic Kidney Disease	15
Asthma	7
Osteoperosis	5
Atrial Fibrilation	11
Heart Failure	12
Chronic Obstructive Pulmonary Disease	6
Diabetes	24
Dementia	10
Cancer	8

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. David Quillian Segars, MD treated as a family medicine practitioner in San Francisco, CA during 2015 were blood draw, preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. David Quillian Segars, MD for Medicare patients.

blood draw	390
doctor visit	869
ear procedures	19
lab tests	45
preventive care	138
vaccines	93

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. David Quillian Segars, MD.

**Gender**
Male	228
Female	280

**Ethnicity**
Non-Hispanic White	358
Black	0
Hispanic	50
Asian	56
Other	0
Native American	0

**Age**
From 65 to 74	210
From 75 to 84	128
85 and over	126
Less than 65	44

Conditions of Medicare patients treated by Dr. David Quillian Segars, MD in 2015

Hypertension	52
High Cholesterol	38
Stroke	5
Ischemic Heart Disease	21
Depression	14
Chronic Kidney Disease	16
Asthma	9
Osteoperosis	6
Atrial Fibrilation	11
Heart Failure	9
Chronic Obstructive Pulmonary Disease	6
Diabetes	18
Dementia	7
Cancer	7

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. David Quillian Segars, MD treated as a family medicine practitioner in San Francisco, CA during 2016 were blood draw, preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. David Quillian Segars, MD for Medicare patients.

blood draw	362
doctor visit	781
ear procedures	22
lab tests	53
preventive care	155
vaccines	102

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. David Quillian Segars, MD.

**Gender**
Male	106
Female	127

**Ethnicity**
Non-Hispanic White	167
Black	14
Hispanic	17
Asian	24
Other	11
Native American	0

**Age**
From 65 to 74	97
From 75 to 84	64
85 and over	53
Less than 65	19

Conditions of Medicare patients treated by Dr. David Quillian Segars, MD in 2016

Hypertension	51
High Cholesterol	35
Stroke	0
Ischemic Heart Disease	23
Depression	15
Chronic Kidney Disease	17
Asthma	10
Osteoperosis	0
Atrial Fibrilation	11
Heart Failure	9
Chronic Obstructive Pulmonary Disease	5
Diabetes	19
Dementia	12
Cancer	6

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. David Quillian Segars, MD treated as a family medicine practitioner in San Francisco, CA during 2017 were blood draw, preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. David Quillian Segars, MD for Medicare patients.

blood draw	420
doctor visit	832
ear procedures	28
lab tests	58
preventive care	205
vaccines	147

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. David Quillian Segars, MD.

**Gender**
Male	123
Female	171

**Ethnicity**
Non-Hispanic White	209
Black	18
Hispanic	29
Asian	25
Other	13
Native American	0

**Age**
From 65 to 74	121
From 75 to 84	94
85 and over	60
Less than 65	19

Conditions of Medicare patients treated by Dr. David Quillian Segars, MD in 2017

Hypertension	56
High Cholesterol	19
Stroke	5
Ischemic Heart Disease	20
Depression	15
Chronic Kidney Disease	19
Asthma	6
Osteoperosis	6
Atrial Fibrilation	9
Heart Failure	10
Chronic Obstructive Pulmonary Disease	4
Diabetes	20
Dementia	12
Cancer	7

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. David Quillian Segars, MD treated as a family medicine practitioner in San Francisco, CA during 2018 were blood draw, preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. David Quillian Segars, MD for Medicare patients.

blood draw	405
doctor visit	904
ear procedures	26
lab tests	74
preventive care	201
vaccines	127

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. David Quillian Segars, MD.

**Gender**
Male	155
Female	169

**Ethnicity**
Non-Hispanic White	227
Black	17
Hispanic	35
Asian	30
Other	15
Native American	0

**Age**
From 65 to 74	145
From 75 to 84	100
85 and over	59
Less than 65	20

Conditions of Medicare patients treated by Dr. David Quillian Segars, MD in 2018

Hypertension	52
High Cholesterol	34
Stroke	4
Ischemic Heart Disease	21
Depression	13
Chronic Kidney Disease	19
Asthma	6
Osteoperosis	4
Atrial Fibrilation	9
Heart Failure	12
Chronic Obstructive Pulmonary Disease	5
Diabetes	20
Dementia	8
Cancer	9

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. David Quillian Segars, MD treated as a family medicine practitioner in San Francisco, CA during 2019 were blood draw, preventive care, lab tests and vaccines.

Volume of procedures performed by Dr. David Quillian Segars, MD for Medicare patients.

blood draw	379
doctor visit	835
ear procedures	35
lab tests	71
preventive care	122
vaccines	51

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. David Quillian Segars, MD.

**Gender**
Male	130
Female	164

**Ethnicity**
Non-Hispanic White	206
Black	18
Hispanic	25
Asian	29
Other	16
Native American	0

**Age**
From 65 to 74	126
From 75 to 84	89
85 and over	66
Less than 65	13

Conditions of Medicare patients treated by Dr. David Quillian Segars, MD in 2019

Hypertension	53
High Cholesterol	38
Stroke	6
Ischemic Heart Disease	21
Depression	18
Chronic Kidney Disease	19
Asthma	6
Osteoperosis	6
Atrial Fibrilation	10
Heart Failure	12
Chronic Obstructive Pulmonary Disease	0
Diabetes	21
Dementia	11
Cancer	9

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. David Quillian Segars, MD treated as a family medicine practitioner in San Francisco, CA during 2020 were blood draw, preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. David Quillian Segars, MD for Medicare patients.

blood draw	336
doctor visit	706
ear procedures	25
lab tests	44
preventive care	107
vaccines	63

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. David Quillian Segars, MD.

**Gender**
Male	120
Female	138

**Ethnicity**
Non-Hispanic White	185
Black	16
Hispanic	21
Asian	23
Other	13
Native American	0

**Age**
From 65 to 74	113
From 75 to 84	83
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. David Quillian Segars, MD in 2020

Hypertension	52
High Cholesterol	34
Stroke	0
Ischemic Heart Disease	22
Depression	13
Chronic Kidney Disease	18
Asthma	5
Osteoperosis	0
Atrial Fibrilation	9
Heart Failure	12
Chronic Obstructive Pulmonary Disease	0
Diabetes	22
Dementia	9
Cancer	8

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. David Quillian Segars, MD treated as a family medicine practitioner in San Francisco, CA during 2021 were blood draw, preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. David Quillian Segars, MD for Medicare patients.

blood draw	363
doctor visit	842
ear procedures	47
lab tests	76
preventive care	157
vaccines	81

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. David Quillian Segars, MD.

**Gender**
Male	132
Female	150

**Ethnicity**
Non-Hispanic White	197
Black	16
Hispanic	26
Asian	22
Other	21
Native American	0

**Age**
From 65 to 74	125
From 75 to 84	91
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. David Quillian Segars, MD in 2021

Hypertension	49
High Cholesterol	37
Stroke	5
Ischemic Heart Disease	20
Depression	13
Chronic Kidney Disease	16
Asthma	0
Osteoperosis	7
Atrial Fibrilation	9
Heart Failure	10
Chronic Obstructive Pulmonary Disease	0
Diabetes	19
Dementia	7
Cancer	9

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. David Quillian Segars, MD treated as a family medicine practitioner in San Francisco, CA during 2022 were blood draw, preventive care, lab tests and vaccines.

Volume of procedures performed by Dr. David Quillian Segars, MD for Medicare patients.

blood draw	393
doctor visit	829
ear procedures	37
lab tests	70
preventive care	127
vaccines	57

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. David Quillian Segars, MD.

**Gender**
Male	143
Female	142

**Ethnicity**
Non-Hispanic White	205
Black	0
Hispanic	21
Asian	24
Other	20
Native American	0

**Age**
From 65 to 74	121
From 75 to 84	96
85 and over	56
Less than 65	12

Conditions of Medicare patients treated by Dr. David Quillian Segars, MD in 2022

Hypertension	63
High Cholesterol	58
Stroke	4
Ischemic Heart Disease	16
Depression	14
Chronic Kidney Disease	14
Asthma	8
Osteoperosis	11
Atrial Fibrilation	16
Heart Failure	9
Chronic Obstructive Pulmonary Disease	5
Diabetes	20
Dementia	6
Cancer	11

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. David Quillian Segars, MD treated as a family medicine practitioner in San Francisco, CA during 2023 were blood draw, preventive care, lab tests and vaccines.

Volume of procedures performed by Dr. David Quillian Segars, MD for Medicare patients.

blood draw	387
doctor visit	884
ear procedures	38
lab tests	68
preventive care	112
vaccines	44

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. David Quillian Segars, MD.

**Gender**
Male	138
Female	130

**Ethnicity**
Non-Hispanic White	193
Black	12
Hispanic	21
Asian	22
Other	20
Native American	0

**Age**
From 65 to 74	117
From 75 to 84	93
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. David Quillian Segars, MD in 2023

Hypertension	63
High Cholesterol	63
Stroke	0
Ischemic Heart Disease	21
Depression	13
Chronic Kidney Disease	13
Asthma	8
Osteoperosis	10
Atrial Fibrilation	15
Heart Failure	12
Chronic Obstructive Pulmonary Disease	6
Diabetes	19
Dementia	0
Cancer	11

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. David Quillian Segars, MD treated as a family medicine practitioner in San Francisco, CA during 2024 were blood draw, preventive care, lab tests and vaccines.

Volume of procedures performed by Dr. David Quillian Segars, MD for Medicare patients.

blood draw	383
doctor visit	823
ear procedures	37
lab tests	84
preventive care	135
vaccines	38

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. David Quillian Segars, MD.

**Gender**
Male	142
Female	130

**Ethnicity**
Non-Hispanic White	196
Black	12
Hispanic	20
Asian	23
Other	21
Native American	0

**Age**
From 65 to 74	115
From 75 to 84	104
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. David Quillian Segars, MD in 2024

Hypertension	61
High Cholesterol	64
Stroke	7
Ischemic Heart Disease	20
Depression	13
Chronic Kidney Disease	12
Asthma	9
Osteoperosis	8
Atrial Fibrilation	16
Heart Failure	10
Chronic Obstructive Pulmonary Disease	5
Diabetes	17
Dementia	7
Cancer	13

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. David Quillian Segars, MD for Medicare patients.

The highest averages for the top procedures that Dr. David Quillian Segars, MD treated as a family medicine practitioner in San Francisco, CA were blood draw, preventive care, vaccines and lab tests.

blood draw	395
doctor visit	824
ear procedures	29
lab tests	60
preventive care	150
vaccines	88

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. David Quillian Segars, MD.

**Gender**
Female	143
Male	125

**Ethnicity**
Black / African American	10
Asian / Pacific Islander	25
Non-Hispanic White	191
Native American / Alaskan Native	0
Hispanic	21
Other	11

**Age**
85 and over	41
75 to 84	83
Less than 65	12
65 to 74	113

Average of Total of Conditions of Medicare patients treated by Dr. David Quillian Segars, MD From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. David Quillian Segars, MD treated were hypertension, high cholesterol, ischemic heart disease and diabetes.

Hypertension	51
High Cholesterol	39
Stroke	3
Ischemic Heart Disease	19
Depression	13
Chronic Kidney Disease	14
Asthma	6
Osteoporosis	5
Heart Failure	9
Chronic Obstructive Pulmonary Disease	3
Diabetes	18
Atrial Fibrillation	10
Dementia	7
Cancer	8

Education & Training

He has a state license in California.

Licensed In: California

Ratings & Reviews

Dr. David Quillian Segars, MD has a high overall rating with an average of 4.2 out of 5 stars based on 5 ratings. We collect ratings and reviews of Dr. David Quillian Segars, MD from all over the web to help you find the right in San Francisco, CA.

4.2

Overall Rating

(5 Ratings)

Leave a Review

General Payments

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

**Payments by Company**
AstraZeneca Pharmaceuticals LP	$293 AIRSUPRA $136	BREZTRI $136	SYMBICORT $21
Boehringer Ingelheim Pharmaceuticals, Inc.	$166 JARDIANCE $139	Pradaxa $16	COMBIVENT RESPIMAT $11
E.R. Squibb & Sons, L.L.C.	$151 ELIQUIS $151
Daiichi Sankyo Inc.	$50 Benicar $31	Azor $20
Boston Scientific Corporation	$47 Vascular Intervention $47
Other	$177 Myrbetriq $38	INTERMEZZO $35	Repatha $26	Victoza $20	Cologuard Collection Kit $18	Other $40

**Types of Payments**
Food and Beverage	$886

Biography

Dr. David Segars sees patients in San Francisco, CA. His medical specialties are general practice and family medicine. Patients gave Dr. Segars an average rating of 4.0 stars (out of 5).

Select Year:

Dr. David Quillian Segars, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. David Quillian Segars, MD in 2024

By Volume:

By Affordability:

By Volume:

By Volume:

By Affordability:

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. David Quillian Segars, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David Quillian Segars, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David Quillian Segars, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David Quillian Segars, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David Quillian Segars, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David Quillian Segars, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David Quillian Segars, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David Quillian Segars, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David Quillian Segars, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David Quillian Segars, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David Quillian Segars, MD in 2023

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

2024 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David Quillian Segars, MD 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. David Quillian Segars, MD From 2012 - 2024

Education & Training

Ratings & Reviews

General Payments

Biography

Family Physicians & Family Medicine Specialists in Nearby Locations

Other Providers in San Francisco, CA