In 2012, among providers in related specialties within Georgia, Dr. Joon Ahn, MD performed more blood draw, cardiac device implantation, permanent transvenous pacemaker implantation, permanent transvenous pacemaker replacement, and phlebotomy for lab tests procedures for Medicare patients than 75% of them and he also 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 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. Joon Ahn, MD treated as a cardiac electrophysiologist in Gainesville, GA during 2012 were hospital care, inpatient care, lab tests and cardiac procedures.

Volume of procedures performed by Dr. Joon Ahn, MD for Medicare patients.

ablation	17
ambulatory monitoring	55
blood draw	162
cardiac procedures	175
cardioversion	28
catheterization	17
diagnostic procedures	36
doctor visit	711
hospital care	674
implant surgery	67
implantable cardioverter-defibrillator (ICD) replacement	21
inpatient care	632
lab tests	338
minimally invasive procedures	101
outpatient care	42

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Joon Ahn, MD treated as a cardiac electrophysiologist in Gainesville, GA during 2013 were hospital care, inpatient care, lab tests and blood draw.

Volume of procedures performed by Dr. Joon Ahn, MD for Medicare patients.

ablation	16
ambulatory monitoring	52
blood draw	197
cardiac procedures	169
cardioversion	27
catheterization	16
diagnostic procedures	33
doctor visit	739
hospital care	864
implant surgery	84
implantable cardioverter-defibrillator (ICD) replacement	26
inpatient care	832
lab tests	354
minimally invasive procedures	116
outpatient care	32

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Joon Ahn, MD.

**Gender**
Male	1005
Female	894

**Ethnicity**
Non-Hispanic White	1803
Black	49
Hispanic	21
Asian	14
Other	0
Native American	0

**Age**
From 65 to 74	679
From 75 to 84	700
85 and over	332
Less than 65	188

Conditions of Medicare patients treated by Dr. Joon Ahn, MD in 2013

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	71
Depression	20
Chronic Kidney Disease	45
Asthma	8
Osteoperosis	7
Atrial Fibrilation	45
Heart Failure	52
Chronic Obstructive Pulmonary Disease	28
Diabetes	39
Dementia	14
Cancer	11

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Joon Ahn, MD treated as a cardiac electrophysiologist in Gainesville, GA during 2014 were hospital care, inpatient care, lab tests and blood draw.

Volume of procedures performed by Dr. Joon Ahn, MD for Medicare patients.

ablation	18
ambulatory monitoring	32
blood draw	166
cardiac procedures	137
cardioversion	25
catheterization	18
diagnostic procedures	30
doctor visit	652
hospital care	889
implant surgery	75
implantable cardioverter-defibrillator (ICD) replacement	47
inpatient care	806
lab tests	267
minimally invasive procedures	111
outpatient care	83

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Joon Ahn, MD.

**Gender**
Male	1050
Female	902

**Ethnicity**
Non-Hispanic White	1861
Black	45
Hispanic	33
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	721
From 75 to 84	720
85 and over	338
Less than 65	173

Conditions of Medicare patients treated by Dr. Joon Ahn, MD in 2014

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	66
Depression	21
Chronic Kidney Disease	45
Asthma	6
Osteoperosis	7
Atrial Fibrilation	46
Heart Failure	51
Chronic Obstructive Pulmonary Disease	27
Diabetes	40
Dementia	14
Cancer	12

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Joon Ahn, MD treated as a cardiac electrophysiologist in Gainesville, GA during 2015 were hospital care, inpatient care, lab tests and blood draw.

Volume of procedures performed by Dr. Joon Ahn, MD for Medicare patients.

ablation	16
blood draw	169
cardiac procedures	82
cardioversion	20
catheterization	16
diagnostic procedures	16
doctor visit	724
hospital care	741
implant surgery	66
implantable cardioverter-defibrillator (ICD) replacement	20
inpatient care	653
lab tests	296
minimally invasive procedures	98
outpatient care	88

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Joon Ahn, MD.

**Gender**
Male	2256
Female	1954

**Ethnicity**
Non-Hispanic White	3948
Black	124
Hispanic	72
Asian	30
Other	0
Native American	0

**Age**
From 65 to 74	1518
From 75 to 84	1576
85 and over	692
Less than 65	424

Conditions of Medicare patients treated by Dr. Joon Ahn, MD in 2015

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	65
Depression	23
Chronic Kidney Disease	47
Asthma	17
Osteoperosis	7
Atrial Fibrilation	45
Heart Failure	51
Chronic Obstructive Pulmonary Disease	28
Diabetes	40
Dementia	17
Cancer	11

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Joon Ahn, MD treated as a cardiac electrophysiologist in Gainesville, GA during 2016 were hospital care, inpatient care, lab tests and blood draw.

Volume of procedures performed by Dr. Joon Ahn, MD for Medicare patients.

ablation	15
blood draw	150
cardiac procedures	87
cardioversion	21
catheterization	15
diagnostic procedures	27
doctor visit	759
hospital care	778
implant surgery	60
implantable cardioverter-defibrillator (ICD) replacement	19
inpatient care	736
lab tests	334
minimally invasive procedures	90
outpatient care	42

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Joon Ahn, MD.

**Gender**
Male	1306
Female	1177

**Ethnicity**
Non-Hispanic White	2339
Black	70
Hispanic	38
Asian	0
Other	21
Native American	0

**Age**
From 65 to 74	884
From 75 to 84	886
85 and over	479
Less than 65	234

Conditions of Medicare patients treated by Dr. Joon Ahn, MD in 2016

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	64
Depression	22
Chronic Kidney Disease	49
Asthma	29
Osteoperosis	7
Atrial Fibrilation	43
Heart Failure	50
Chronic Obstructive Pulmonary Disease	29
Diabetes	39
Dementia	19
Cancer	12

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Joon Ahn, MD treated as a cardiac electrophysiologist in Gainesville, GA during 2017 were hospital care, inpatient care, lab tests and minimally invasive procedures.

Volume of procedures performed by Dr. Joon Ahn, MD for Medicare patients.

ablation	22
blood draw	124
cardiac procedures	128
catheterization	22
diagnostic procedures	34
doctor visit	766
hospital care	656
implant surgery	94
implantable cardioverter-defibrillator (ICD) replacement	20
inpatient care	640
lab tests	213
minimally invasive procedures	138
outpatient care	16

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Joon Ahn, MD.

**Gender**
Male	1188
Female	1076

**Ethnicity**
Non-Hispanic White	2132
Black	57
Hispanic	41
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	815
From 75 to 84	802
85 and over	429
Less than 65	218

Conditions of Medicare patients treated by Dr. Joon Ahn, MD in 2017

Hypertension	75
High Cholesterol	70
Stroke	10
Ischemic Heart Disease	64
Depression	25
Chronic Kidney Disease	53
Asthma	6
Osteoperosis	7
Atrial Fibrilation	42
Heart Failure	50
Chronic Obstructive Pulmonary Disease	28
Diabetes	41
Dementia	19
Cancer	12

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Joon Ahn, MD treated as a cardiac electrophysiologist in Gainesville, GA during 2018 were hospital care, inpatient care, lab tests and minimally invasive procedures.

Volume of procedures performed by Dr. Joon Ahn, MD for Medicare patients.

ablation	32
blood draw	25
cardiac procedures	109
catheterization	32
diagnostic procedures	32
doctor visit	847
hospital care	562
implant surgery	64
implantable cardioverter-defibrillator (ICD) replacement	34
inpatient care	562
lab tests	263
minimally invasive procedures	141
ultrasound (sonogram)	13

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Joon Ahn, MD.

**Gender**
Male	825
Female	751

**Ethnicity**
Non-Hispanic White	1477
Black	48
Hispanic	28
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	558
From 75 to 84	595
85 and over	276
Less than 65	147

Conditions of Medicare patients treated by Dr. Joon Ahn, MD in 2018

Hypertension	75
High Cholesterol	74
Stroke	8
Ischemic Heart Disease	64
Depression	25
Chronic Kidney Disease	54
Asthma	6
Osteoperosis	6
Atrial Fibrilation	48
Heart Failure	54
Chronic Obstructive Pulmonary Disease	27
Diabetes	39
Dementia	18
Cancer	11

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Joon Ahn, MD treated as a cardiac electrophysiologist in Gainesville, GA during 2019 were hospital care, inpatient care, lab tests and blood draw.

Volume of procedures performed by Dr. Joon Ahn, MD for Medicare patients.

ablation	19
blood draw	112
cardiac procedures	81
catheterization	19
diagnostic procedures	19
doctor visit	795
hospital care	585
implant surgery	62
implantable cardioverter-defibrillator (ICD) replacement	21
inpatient care	558
lab tests	194
minimally invasive procedures	100
outpatient care	27

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Joon Ahn, MD.

**Gender**
Male	1156
Female	1088

**Ethnicity**
Non-Hispanic White	2086
Black	69
Hispanic	44
Asian	0
Other	24
Native American	0

**Age**
From 65 to 74	777
From 75 to 84	853
85 and over	371
Less than 65	243

Conditions of Medicare patients treated by Dr. Joon Ahn, MD in 2019

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	61
Depression	28
Chronic Kidney Disease	55
Asthma	7
Osteoperosis	7
Atrial Fibrilation	43
Heart Failure	51
Chronic Obstructive Pulmonary Disease	27
Diabetes	38
Dementia	18
Cancer	12

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Joon Ahn, MD treated as a cardiac electrophysiologist in Gainesville, GA during 2020 were hospital care, inpatient care, blood draw and minimally invasive procedures.

Volume of procedures performed by Dr. Joon Ahn, MD for Medicare patients.

ablation	15
blood draw	84
cardiac procedures	67
catheterization	15
diagnostic procedures	15
doctor visit	533
hospital care	369
implant surgery	52
implantable cardioverter-defibrillator (ICD) replacement	29
inpatient care	356
minimally invasive procedures	82
outpatient care	13

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Joon Ahn, MD.

**Gender**
Male	917
Female	696

**Ethnicity**
Non-Hispanic White	1490
Black	57
Hispanic	35
Asian	14
Other	17
Native American	0

**Age**
From 65 to 74	550
From 75 to 84	628
85 and over	310
Less than 65	125

Conditions of Medicare patients treated by Dr. Joon Ahn, MD in 2020

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	62
Depression	25
Chronic Kidney Disease	57
Asthma	7
Osteoperosis	7
Atrial Fibrilation	45
Heart Failure	55
Chronic Obstructive Pulmonary Disease	26
Diabetes	38
Dementia	19
Cancer	13

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Joon Ahn, MD treated as a cardiac electrophysiologist in Gainesville, GA during 2021 were hospital care, inpatient care, minimally invasive procedures and cardiac procedures.

Volume of procedures performed by Dr. Joon Ahn, MD for Medicare patients.

ablation	28
blood draw	73
cardiac procedures	96
catheterization	28
diagnostic procedures	28
doctor visit	673
hospital care	299
implant surgery	54
implantable cardioverter-defibrillator (ICD) replacement	14
inpatient care	288
minimally invasive procedures	124
outpatient care	11
ultrasound (sonogram)	14
vascular procedures	12

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Joon Ahn, MD.

**Gender**
Male	1083
Female	964

**Ethnicity**
Non-Hispanic White	1906
Black	62
Hispanic	48
Asian	17
Other	0
Native American	0

**Age**
From 65 to 74	716
From 75 to 84	791
85 and over	364
Less than 65	176

Conditions of Medicare patients treated by Dr. Joon Ahn, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	59
Depression	24
Chronic Kidney Disease	55
Asthma	7
Osteoperosis	7
Atrial Fibrilation	45
Heart Failure	53
Chronic Obstructive Pulmonary Disease	22
Diabetes	38
Dementia	19
Cancer	12

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Joon Ahn, MD treated as a cardiac electrophysiologist in Gainesville, GA during 2022 were hospital care, inpatient care, minimally invasive procedures and blood draw.

Volume of procedures performed by Dr. Joon Ahn, MD for Medicare patients.

ablation	15
blood draw	100
cardiac procedures	92
catheterization	15
diagnostic procedures	15
doctor visit	735
hospital care	250
implant surgery	77
implantable cardioverter-defibrillator (ICD) replacement	18
inpatient care	237
minimally invasive procedures	107
outpatient care	13
vascular procedures	18

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Joon Ahn, MD.

**Gender**
Male	1015
Female	894

**Ethnicity**
Non-Hispanic White	1790
Black	41
Hispanic	37
Asian	24
Other	17
Native American	0

**Age**
From 65 to 74	660
From 75 to 84	771
85 and over	357
Less than 65	121

Conditions of Medicare patients treated by Dr. Joon Ahn, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	16
Ischemic Heart Disease	55
Depression	26
Chronic Kidney Disease	44
Asthma	10
Osteoperosis	14
Atrial Fibrilation	58
Heart Failure	51
Chronic Obstructive Pulmonary Disease	27
Diabetes	38
Dementia	13
Cancer	17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Joon Ahn, MD for Medicare patients.

The highest averages for the top procedures that Dr. Joon Ahn, MD treated as a cardiac electrophysiologist in Gainesville, GA were hospital care, inpatient care, lab tests and blood draw.

ablation	19
ambulatory monitoring	46
blood draw	123
cardiac procedures	111
cardioversion	24
catheterization	19
diagnostic procedures	25
doctor visit	721
hospital care	606
implant surgery	68
implantable cardioverter-defibrillator (ICD) replacement	24
inpatient care	572
lab tests	282
minimally invasive procedures	109
outpatient care	36
ultrasound (sonogram)	13
vascular procedures	15

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Joon Ahn, MD.

**Gender**
Male	1072
Female	945

**Ethnicity**
Black / African American	56
Asian / Pacific Islander	9
Non-Hispanic White	1893
Native American / Alaskan Native	0
Hispanic	36
Other	7

**Age**
75 to 84	756
85 and over	358
Less than 65	186
65 to 74	716

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

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

Hypertension	68
High Cholesterol	67
Stroke	9
Ischemic Heart Disease	57
Depression	21
Chronic Kidney Disease	45
Asthma	9
Osteoporosis	6
Heart Failure	47
Chronic Obstructive Pulmonary Disease	24
Diabetes	35
Atrial Fibrillation	41
Dementia	15
Cancer	11

Education & Training

He completed residency at Barnes-Jewish Hospital. He is certified by the American Board of Internal Medicine: Cardiovascular Disease and has a state license in Georgia.

Residency: Barnes-Jewish Hospital

Board Certification: American Board of Internal Medicine: Cardiovascular Disease

Licensed In: Georgia

Ratings & Reviews

Dr. Joon Ahn, MD has an exceptional overall rating with an average of 5.0 out of 5 stars based on 20 ratings. We collect ratings and reviews of Dr. Joon Ahn, MD from all over the web to help you find the right in Gainesville, GA.

Overall Rating

(20 Ratings)

Leave a Review

Reviews From Around The Web

Overall Rating: 5.0 2025-03-18

Patient verified via Press Ganey

Dr Ahn is a very caring provider. He always explains things in a manner I can understand. You can see he has passion for his work.

Overall Rating: 5.0 2024-02-18

Patient verified via Press Ganey

Dr. Ahn and his entire staff are the most efficient and caring professionals that I have had the pleasure of dealing with.

Overall Rating: 5.0 2025-11-19

Patient verified via Press Ganey

I like the Dr. Ahn a lot. He answers all my questions very calmly and thoroughly and seems to genuinely care

Overall Rating: 5.0 2024-02-18

Patient verified via Press Ganey

Dr Ahn did marvelous job in replacing defective pacemaker. Would highly recommend him to ayone

Overall Rating: 5.0 2025-01-18

Patient verified via Press Ganey

Dr. Ahn was very knowledgeable and I felt he listened to what I had to say. Great visit

Overall Rating: 5.0 2023-12-20

Patient verified via Press Ganey

Visiits and teatments with this provider have alwys been complete and competent.

Overall Rating: 5.0 2023-07-20

Patient verified via Press Ganey

Was very impressed with dr. and his medical advise & new medicine was put on.

Overall Rating: 5.0 2024-04-09

Patient verified via Press Ganey

Dr. Ahn is a very nice doctor and he takes time to listen to you.

Overall Rating: 5.0 2024-05-18

Patient verified via Press Ganey

I am confident that Dr Ahn is an excellent cardiologist.

Overall Rating: 5.0 2025-10-16

Patient verified via Press Ganey

The visit confirmed what I thought my condition is.

To see all 20 reviews for Dr. Joon Ahn, MD, view their full profile.

General Payments

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

**Payments by Company**
Medtronic Vascular, Inc.	$5,677 Arctic Front $3,375	Ablation $1,170	Amplia MRI $484	Micra $417	Leads $67	Other $163
Abbott Laboratories	$3,038 AVEIR $1,584	Fortify Assura, Ellipse ICD $197	Ensite Derexi $132	Confirm Rx $119	Pacemakers $110	Other $896
Boston Scientific Corporation	$1,649 RESONATE $333	WATCHMAN $328	WATCHMAN Access System $285	RHYTHMIA MAPPING SYSTEM $79	TACHY GENERATOR $63	Other $561
St. Jude Medical, Inc.	$1,120 CRM $689	Electrophysiology $139	Inquiry Steerable Diagnostic Catheters $58	Unify Assura $42	Electrophysiology (EP) $35	Other $158
BIOTRONIK INC.	$950 Itrevia $455	Bradycardia products $326	Astron $83	Passeo $16	$71
Other	$4,316 XARELTO $876	ELIQUIS $819	MULTAQ $327	LifeVest $268	Carto 3 System $169	Other $1,857

**Types of Payments**
Food and Beverage	$10,845
Travel and Lodging	$5,800
Education	$104

Research Payments

Dr. Joon Ahn, MD has received 144 research payments totaling $240,897.

Biography

Dr. Joon Ahn, who practices in Gainesville, GA and Braselton, GA, is a medical specialist in cardiac electrophysiology (heart rhythm). He is rated 5.0 stars (out of 5) by his patients. Dr. Ahn is a graduate of Emory University School of Medicine. His medical residency was performed at Barnes-Jewish Hospital. According to Doctor.com, new patients are welcome to contact his office in Gainesville, GA.

Select Year:

Dr. Joon Ahn, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Joon Ahn, MD in 2023

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. Joon Ahn, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Joon Ahn, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Joon Ahn, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Joon Ahn, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Joon Ahn, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Joon Ahn, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Joon Ahn, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Joon Ahn, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Joon Ahn, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Joon Ahn, MD in 2022

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Average Medicare Patient Data From 2012 - 2022

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

Education & Training

Ratings & Reviews

General Payments

Research Payments

Biography

Cardiac Electrophysiologists in Nearby Locations

Other Providers in Gainesville, GA