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Dr. Karl Tscha-Ning Sun, MD

Accepting New Patients

(3 Ratings)

Specializes in: Nuclear Cardiology and Adult Cardiology

University of Zurich Faculty of Medicine

Professional interests include: weight management, venous ultrasound, chemical stress test, and more.

5555 Reservoir Drive Suite 112
San Diego, CA 92120

(619) 287-7060

Dr. Karl Tscha-Ning Sun, MD is a nuclear medicine specialist in San Diego, CA specializing in nuclear cardiology and adult cardiology. He graduated from University of Zurich Faculty of Medicine. Dr. Karl Tscha-Ning Sun, MD is affiliated with Sharp HealthCare and Sharp Grossmont Hospital.

Office Locations

5555 Reservoir Drive Suite 112
San Diego, CA 92120

(619) 287-7060

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8851 Center Drive Suite 401
La Mesa, CA 91942

(619) 668-1550

(619) 668-1554

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Noteworthy Medicare Patient Procedures Performed by Dr. Karl Tscha-Ning Sun, MD in 2024

Click on any procedure below to see further details on volume and pricing among Medicare patients.

Top 10%

By Volume:

inpatient hospital care

By Affordability:

hospital care

inpatient care

inpatient hospital care

In 2024, among providers in related specialties within California, Dr. Karl Tscha-Ning Sun, MD performed more inpatient hospital care (for patient admitted to hospital) procedures for Medicare patients than 90% of them and he also had a list price for hospital care, inpatient care, and inpatient hospital care (for patient admitted to hospital) that was lower than the list prices billed to Medicare by 90% 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 25%

By Affordability:

blood draw

blood draw for lab tests

phlebotomy for lab tests

venipuncture

In 2012, Dr. Karl Tscha-Ning Sun, MD had a list price for blood draw, blood draw for lab tests, phlebotomy for lab tests, and venipuncture (phlebotomy) 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. Karl Tscha-Ning Sun, MD treated as a nuclear medicine specialist in San Diego, CA during 2012 were hospital care, inpatient care, cardiac procedures and stress testing.

Volume of procedures performed by Dr. Karl Tscha-Ning Sun, MD for Medicare patients.

cardiac procedures	907
doctor visit	1390
hospital care	1151
inpatient care	1151
lab tests	248
nuclear scan	262
nursing home care	263
preventive care	46
stress testing	560
ultrasound (sonogram)	359
vaccines	15
vascular procedures	12

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Karl Tscha-Ning Sun, MD treated as a nuclear medicine specialist in San Diego, CA during 2013 were cardiac procedures, hospital care, inpatient care and ultrasound (sonogram).

Volume of procedures performed by Dr. Karl Tscha-Ning Sun, MD for Medicare patients.

ambulatory monitoring	12
cardiac procedures	1109
doctor visit	1332
hospital care	1035
inpatient care	1035
lab tests	320
nuclear scan	255
nursing home care	156
preventive care	87
stress testing	563
ultrasound (sonogram)	567
vaccines	29
vascular procedures	30

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Karl Tscha-Ning Sun, MD.

**Gender**
Male	529
Female	609

**Ethnicity**
Non-Hispanic White	770
Black	69
Hispanic	146
Asian	124
Other	0
Native American	0

**Age**
From 65 to 74	375
From 75 to 84	381
85 and over	197
Less than 65	185

Conditions of Medicare patients treated by Dr. Karl Tscha-Ning Sun, MD in 2013

Hypertension	75
High Cholesterol	75
Stroke	17
Ischemic Heart Disease	67
Depression	36
Chronic Kidney Disease	42
Asthma	13
Osteoperosis	13
Atrial Fibrilation	25
Heart Failure	51
Chronic Obstructive Pulmonary Disease	36
Diabetes	51
Dementia	24
Cancer	11

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Karl Tscha-Ning Sun, MD treated as a nuclear medicine specialist in San Diego, CA during 2014 were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. Karl Tscha-Ning Sun, MD for Medicare patients.

cardiac procedures	753
doctor visit	859
hospital care	848
inpatient care	821
lab tests	113
nuclear scan	167
nursing home care	62
outpatient care	27
preventive care	18
stress testing	386
ultrasound (sonogram)	391
vascular procedures	11

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Karl Tscha-Ning Sun, MD.

**Gender**
Male	432
Female	495

**Ethnicity**
Non-Hispanic White	604
Black	65
Hispanic	118
Asian	115
Other	0
Native American	0

**Age**
From 65 to 74	303
From 75 to 84	316
85 and over	172
Less than 65	136

Conditions of Medicare patients treated by Dr. Karl Tscha-Ning Sun, MD in 2014

Hypertension	75
High Cholesterol	75
Stroke	16
Ischemic Heart Disease	65
Depression	32
Chronic Kidney Disease	45
Asthma	12
Osteoperosis	13
Atrial Fibrilation	29
Heart Failure	50
Chronic Obstructive Pulmonary Disease	30
Diabetes	49
Dementia	25
Cancer	10

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Karl Tscha-Ning Sun, MD treated as a nuclear medicine specialist in San Diego, CA during 2015 were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. Karl Tscha-Ning Sun, MD for Medicare patients.

cardiac procedures	626
doctor visit	1153
hospital care	928
inpatient care	928
lab tests	118
nuclear scan	88
preventive care	39
stress testing	224
ultrasound (sonogram)	430
vaccines	18
vascular procedures	17

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Karl Tscha-Ning Sun, MD.

**Gender**
Male	790
Female	974

**Ethnicity**
Non-Hispanic White	1178
Black	108
Hispanic	216
Asian	188
Other	0
Native American	0

**Age**
From 65 to 74	594
From 75 to 84	570
85 and over	376
Less than 65	224

Conditions of Medicare patients treated by Dr. Karl Tscha-Ning Sun, MD in 2015

Hypertension	75
High Cholesterol	75
Stroke	15
Ischemic Heart Disease	65
Depression	34
Chronic Kidney Disease	45
Asthma	23
Osteoperosis	11
Atrial Fibrilation	28
Heart Failure	52
Chronic Obstructive Pulmonary Disease	31
Diabetes	48
Dementia	26
Cancer	11

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Karl Tscha-Ning Sun, MD treated as a nuclear medicine specialist in San Diego, CA during 2016 were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. Karl Tscha-Ning Sun, MD for Medicare patients.

blood draw	76
cardiac procedures	596
doctor visit	1106
hospital care	994
inpatient care	994
lab tests	242
nuclear scan	107
preventive care	44
stress testing	186
thyroid function tests	14
ultrasound (sonogram)	426
vaccines	15
vascular procedures	16

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Karl Tscha-Ning Sun, MD.

**Gender**
Male	404
Female	487

**Ethnicity**
Non-Hispanic White	606
Black	70
Hispanic	103
Asian	83
Other	0
Native American	0

**Age**
From 65 to 74	271
From 75 to 84	312
85 and over	186
Less than 65	122

Conditions of Medicare patients treated by Dr. Karl Tscha-Ning Sun, MD in 2016

Hypertension	75
High Cholesterol	75
Stroke	16
Ischemic Heart Disease	66
Depression	35
Chronic Kidney Disease	53
Asthma	34
Osteoperosis	11
Atrial Fibrilation	27
Heart Failure	55
Chronic Obstructive Pulmonary Disease	31
Diabetes	52
Dementia	25
Cancer	13

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Karl Tscha-Ning Sun, MD treated as a nuclear medicine specialist in San Diego, CA during 2017 were hospital care, inpatient care, cardiac procedures and lab tests.

Volume of procedures performed by Dr. Karl Tscha-Ning Sun, MD for Medicare patients.

blood draw	152
cardiac procedures	595
diabetes management	24
doctor visit	976
hospital care	879
inpatient care	879
lab tests	443
nuclear scan	128
preventive care	69
stress testing	188
thyroid function tests	52
ultrasound (sonogram)	407

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Karl Tscha-Ning Sun, MD.

**Gender**
Male	372
Female	496

**Ethnicity**
Non-Hispanic White	581
Black	65
Hispanic	91
Asian	93
Other	0
Native American	0

**Age**
From 65 to 74	263
From 75 to 84	308
85 and over	182
Less than 65	115

Conditions of Medicare patients treated by Dr. Karl Tscha-Ning Sun, MD in 2017

Hypertension	75
High Cholesterol	69
Stroke	14
Ischemic Heart Disease	67
Depression	39
Chronic Kidney Disease	55
Asthma	12
Osteoperosis	12
Atrial Fibrilation	28
Heart Failure	55
Chronic Obstructive Pulmonary Disease	34
Diabetes	50
Dementia	28
Cancer	13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Karl Tscha-Ning Sun, MD treated as a nuclear medicine specialist in San Diego, CA during 2018 were hospital care, inpatient care, cardiac procedures and lab tests.

Volume of procedures performed by Dr. Karl Tscha-Ning Sun, MD for Medicare patients.

blood draw	182
cardiac procedures	713
diabetes management	26
doctor visit	940
hospital care	1011
inpatient care	1011
lab tests	490
nuclear scan	156
preventive care	78
stress testing	317
thyroid function tests	37
ultrasound (sonogram)	415
vascular procedures	19

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Karl Tscha-Ning Sun, MD.

**Gender**
Male	359
Female	466

**Ethnicity**
Non-Hispanic White	560
Black	72
Hispanic	86
Asian	72
Other	0
Native American	0

**Age**
From 65 to 74	256
From 75 to 84	272
85 and over	192
Less than 65	105

Conditions of Medicare patients treated by Dr. Karl Tscha-Ning Sun, MD in 2018

Hypertension	75
High Cholesterol	69
Stroke	14
Ischemic Heart Disease	63
Depression	36
Chronic Kidney Disease	52
Asthma	10
Osteoperosis	12
Atrial Fibrilation	26
Heart Failure	55
Chronic Obstructive Pulmonary Disease	33
Diabetes	49
Dementia	28
Cancer	13

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Karl Tscha-Ning Sun, MD treated as a nuclear medicine specialist in San Diego, CA during 2019 were hospital care, inpatient care, cardiac procedures and lab tests.

Volume of procedures performed by Dr. Karl Tscha-Ning Sun, MD for Medicare patients.

ambulatory monitoring	11
blood draw	149
cardiac procedures	757
diabetes management	31
doctor visit	818
hospital care	827
inpatient care	827
lab tests	401
nuclear scan	166
preventive care	87
stress testing	358
thyroid function tests	32
ultrasound (sonogram)	388

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Karl Tscha-Ning Sun, MD.

**Gender**
Male	361
Female	413

**Ethnicity**
Non-Hispanic White	518
Black	51
Hispanic	106
Asian	72
Other	0
Native American	0

**Age**
From 65 to 74	258
From 75 to 84	266
85 and over	154
Less than 65	96

Conditions of Medicare patients treated by Dr. Karl Tscha-Ning Sun, MD in 2019

Hypertension	75
High Cholesterol	72
Stroke	14
Ischemic Heart Disease	64
Depression	38
Chronic Kidney Disease	55
Asthma	12
Osteoperosis	13
Atrial Fibrilation	25
Heart Failure	53
Chronic Obstructive Pulmonary Disease	33
Diabetes	51
Dementia	28
Cancer	14

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Karl Tscha-Ning Sun, MD treated as a nuclear medicine specialist in San Diego, CA during 2020 were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. Karl Tscha-Ning Sun, MD for Medicare patients.

blood draw	105
cardiac procedures	607
diabetes management	22
doctor visit	640
hospital care	1140
inpatient care	1140
lab tests	336
nuclear scan	121
preventive care	68
stress testing	264
thyroid function tests	26
ultrasound (sonogram)	355
vascular procedures	12

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Karl Tscha-Ning Sun, MD.

**Gender**
Male	339
Female	341

**Ethnicity**
Non-Hispanic White	434
Black	66
Hispanic	85
Asian	61
Other	0
Native American	0

**Age**
From 65 to 74	225
From 75 to 84	233
85 and over	141
Less than 65	81

Conditions of Medicare patients treated by Dr. Karl Tscha-Ning Sun, MD in 2020

Hypertension	75
High Cholesterol	69
Stroke	15
Ischemic Heart Disease	61
Depression	38
Chronic Kidney Disease	56
Asthma	10
Osteoperosis	12
Atrial Fibrilation	28
Heart Failure	55
Chronic Obstructive Pulmonary Disease	32
Diabetes	50
Dementia	31
Cancer	11

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Karl Tscha-Ning Sun, MD treated as a nuclear medicine specialist in San Diego, CA during 2021 were hospital care, inpatient care, cardiac procedures and lab tests.

Volume of procedures performed by Dr. Karl Tscha-Ning Sun, MD for Medicare patients.

blood draw	137
cardiac procedures	555
diabetes management	42
doctor visit	748
hospital care	715
inpatient care	715
lab tests	489
nuclear scan	92
preventive care	99
stress testing	198
thyroid function tests	54
ultrasound (sonogram)	357

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Karl Tscha-Ning Sun, MD.

**Gender**
Male	338
Female	328

**Ethnicity**
Non-Hispanic White	432
Black	63
Hispanic	76
Asian	62
Other	0
Native American	0

**Age**
From 65 to 74	207
From 75 to 84	235
85 and over	151
Less than 65	73

Conditions of Medicare patients treated by Dr. Karl Tscha-Ning Sun, MD in 2021

Hypertension	75
High Cholesterol	71
Stroke	15
Ischemic Heart Disease	60
Depression	34
Chronic Kidney Disease	54
Asthma	11
Osteoperosis	12
Atrial Fibrilation	29
Heart Failure	52
Chronic Obstructive Pulmonary Disease	29
Diabetes	51
Dementia	31
Cancer	12

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Karl Tscha-Ning Sun, MD treated as a nuclear medicine specialist in San Diego, CA during 2022 were hospital care, inpatient care, lab tests and cardiac procedures.

Volume of procedures performed by Dr. Karl Tscha-Ning Sun, MD for Medicare patients.

blood draw	132
cardiac procedures	419
diabetes management	29
doctor visit	755
hospital care	601
inpatient care	601
lab tests	467
nuclear scan	64
preventive care	72
stress testing	138
thyroid function tests	57
ultrasound (sonogram)	281

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Karl Tscha-Ning Sun, MD.

**Gender**
Male	265
Female	307

**Ethnicity**
Non-Hispanic White	363
Black	39
Hispanic	75
Asian	68
Other	0
Native American	0

**Age**
From 65 to 74	182
From 75 to 84	198
85 and over	131
Less than 65	61

Conditions of Medicare patients treated by Dr. Karl Tscha-Ning Sun, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	23
Ischemic Heart Disease	46
Depression	31
Chronic Kidney Disease	41
Asthma	15
Osteoperosis	16
Atrial Fibrilation	40
Heart Failure	47
Chronic Obstructive Pulmonary Disease	34
Diabetes	51
Dementia	22
Cancer	13

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Karl Tscha-Ning Sun, MD treated as a nuclear medicine specialist in San Diego, CA during 2023 were hospital care, inpatient care, cardiac procedures and lab tests.

Volume of procedures performed by Dr. Karl Tscha-Ning Sun, MD for Medicare patients.

blood draw	118
cardiac procedures	448
diabetes management	40
doctor visit	750
hospital care	474
inpatient care	474
lab tests	373
nuclear scan	67
preventive care	82
stress testing	154
thyroid function tests	52
ultrasound (sonogram)	319
vascular procedures	25

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Karl Tscha-Ning Sun, MD.

**Gender**
Male	268
Female	275

**Ethnicity**
Non-Hispanic White	357
Black	43
Hispanic	68
Asian	56
Other	0
Native American	0

**Age**
From 65 to 74	161
From 75 to 84	198
85 and over	125
Less than 65	59

Conditions of Medicare patients treated by Dr. Karl Tscha-Ning Sun, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	21
Ischemic Heart Disease	45
Depression	29
Chronic Kidney Disease	37
Asthma	14
Osteoperosis	14
Atrial Fibrilation	36
Heart Failure	44
Chronic Obstructive Pulmonary Disease	27
Diabetes	50
Dementia	17
Cancer	13

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Karl Tscha-Ning Sun, MD treated as a nuclear medicine specialist in San Diego, CA during 2024 were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. Karl Tscha-Ning Sun, MD for Medicare patients.

blood draw	28
cardiac procedures	243
doctor visit	724
hospital care	825
inpatient care	825
nuclear scan	45
stress testing	104
ultrasound (sonogram)	155
vascular procedures	16

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Karl Tscha-Ning Sun, MD.

**Gender**
Male	191
Female	193

**Ethnicity**
Non-Hispanic White	256
Black	33
Hispanic	38
Asian	45
Other	0
Native American	0

**Age**
From 65 to 74	120
From 75 to 84	148
85 and over	92
Less than 65	24

Conditions of Medicare patients treated by Dr. Karl Tscha-Ning Sun, MD in 2024

Hypertension	75
High Cholesterol	75
Stroke	19
Ischemic Heart Disease	47
Depression	32
Chronic Kidney Disease	36
Asthma	11
Osteoperosis	14
Atrial Fibrilation	47
Heart Failure	47
Chronic Obstructive Pulmonary Disease	30
Diabetes	52
Dementia	20
Cancer	18

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Karl Tscha-Ning Sun, MD for Medicare patients.

The highest averages for the top procedures that Dr. Karl Tscha-Ning Sun, MD treated as a nuclear medicine specialist in San Diego, CA were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

ambulatory monitoring	11
blood draw	119
cardiac procedures	640
diabetes management	30
doctor visit	937
hospital care	879
inpatient care	877
lab tests	336
nuclear scan	132
nursing home care	160
outpatient care	27
preventive care	65
stress testing	280
thyroid function tests	40
ultrasound (sonogram)	373
vaccines	19
vascular procedures	17

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Karl Tscha-Ning Sun, MD.

**Gender**
Female	414
Male	357

**Ethnicity**
Black / African American	57
Asian / Pacific Islander	79
Non-Hispanic White	512
Hispanic	92
Native American / Alaskan Native	0
Other	0

**Age**
85 and over	161
75 to 84	264
Less than 65	98
65 to 74	247

Average of Total of Conditions of Medicare patients treated by Dr. Karl Tscha-Ning Sun, MD From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. Karl Tscha-Ning Sun, MD treated were hypertension, high cholesterol, ischemic heart disease and heart failure.

Hypertension	69
High Cholesterol	67
Stroke	15
Ischemic Heart Disease	55
Depression	31
Chronic Kidney Disease	43
Asthma	13
Osteoporosis	11
Heart Failure	47
Chronic Obstructive Pulmonary Disease	29
Diabetes	46
Atrial Fibrillation	28
Dementia	23
Cancer	11

Education & Training

Dr. Karl Tscha-Ning Sun, MD graduated from University of Zurich Faculty of Medicine. He completed residency at University of Texas Health Science Center at San Antonio and Affiliated Hospitals. He has a state license in California.

Medical School: University of Zurich Faculty of Medicine

Residency: University of Texas Health Science Center at San Antonio and Affiliated Hospitals

Licensed In: California

Insurance Information

Please note: Insurance information may change at any time, and the provider may accept your insurance plan even if it is not listed below. Please contact the provider's office to confirm that your insurance is accepted.

Dr. Karl Tscha-Ning Sun, MD appears to accept the following insurance providers: Cigna, Self-Pay/Uninsured, Blue Shield of California, First Health, United Healthcare, Health Net: EPO, Medicare: Medicare Parts A and B (Original Medicare), Aetna: EPO, Health Net: PPO, Aetna: PPO, TRICARE: Prime, Aetna: POS and TRICARE: TRICARE for Life.

Insurance Accepted by Provider includes:

According to our sources, Dr. Karl Tscha-Ning Sun, MD accepts the following insurance providers:

Cigna

Self-Pay/Uninsured

Blue Shield of California

First Health

United Healthcare

Health Net: EPO

Medicare: Medicare Parts A and B (Original Medicare)

Aetna: EPO

Health Net: PPO

Aetna: PPO

TRICARE: Prime

Aetna: POS

TRICARE: TRICARE for Life

Ratings & Reviews

Dr. Karl Tscha-Ning Sun, MD has a high overall rating with an average of 4.0 out of 5 stars based on 3 ratings. We collect ratings and reviews of Dr. Karl Tscha-Ning Sun, MD from all over the web to help you find the right in San Diego, CA.

Overall Rating

(3 Ratings)

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General Payments

These charts describe general payments received by Dr. Karl Tscha-Ning Sun, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
BIOTRONIK INC.	$1,561 Bradycardia products $1,158	Etrinsa $84	BioMonitor $81	Eluna $46	Rivacor 7 DR-T $41	Other $150
Janssen Pharmaceuticals, Inc	$1,012 XARELTO $1,010	Xarelto AF $2
Novartis Pharmaceuticals Corporation	$981 LEQVIO $479	ENTRESTO $460	TEKTURNA $28	EXFORGE $15
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp)	$952 LifeVest $952
AstraZeneca Pharmaceuticals LP	$763 BRILINTA $690	SYMBICORT $37	FARXIGA $14	$22
Other	$6,619 Adempas $349	Repatha $331	ELIQUIS $314	TOUJEO $300	Contrave $225	Other $5,100

**Types of Payments**
Food and Beverage	$10,478
Education	$686
Consulting Fee	$425
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$300

Biography

Dr. Karl Sun works as an adult cardiology and nuclear cardiology. His average patient rating is 4.0 stars (out of 5). Clinical interests for Dr. Sun include venous ultrasound, holter monitoring, and exercise stress test. He usually honors Blue Shield, Blue California, and Coventry, in addition to other insurance carriers. His education and training includes medical school at the University of Zurich Faculty of Medicine and residency at a hospital affiliated with the University of Texas Health Science Center at San Antonio. Dr. Sun (or staff) is conversant in Chinese and German. Dr. Sun's professional affiliations include Sharp Grossmont Hospital and Sharp HealthCare. According to Sharp HealthCare, he is currently accepting new patients at his office in SAN DIEGO, CA.