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Home > WA Providers > Cardiac Electrophysiologists

Dr. John Alan Heywood, MD

Accepting New Patients

(243 Ratings)

Specializes in: Cardiac Electrophysiology (Heart Rhythm)

University of Washington School of Medicine (1989)

1135 116th Avenue NE Building 3 Suite 600
Bellevue, WA 98004

(425) 454-2656

Dr. John Alan Heywood, MD is a cardiac electrophysiologist in Bellevue, WA specializing in cardiac electrophysiology (heart rhythm). He graduated from University of Washington School of Medicine in 1989 and has 37 years of experience. Dr. John Alan Heywood, MD is affiliated with Overlake Medical Center & Clinics and Overlake Provider.

Office Locations

1135 116th Avenue NE Building 3 Suite 600
Bellevue, WA 98004

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Noteworthy Medicare Patient Procedures Performed by Dr. John Alan Heywood, MD in 2023

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

Top 10%

By Affordability:

cardioversion

elective cardioversion

elective external cardioversion

external cardioversion

In 2023, Dr. John Alan Heywood, MD had a list price for cardioversion, elective cardioversion, elective external cardioversion, and external cardioversion that was lower than the list prices billed to Medicare by 90% of providers in related specialties within Washington. 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:

cardiac imaging

color Doppler echocardiography

Doppler echocardiography

echocardiogram

myocardial perfusion SPECT

nuclear scan

nuclear stress test

spectral Doppler echocardiography

SPECT scan

stress EKG

In 2012, Dr. John Alan Heywood, MD had a list price for cardiac imaging, color Doppler echocardiography, Doppler echocardiography, echocardiogram (echo), myocardial perfusion SPECT, nuclear scan, nuclear stress test (myocardial perfusion imaging), spectral Doppler echocardiography, SPECT scan, and stress EKG that was lower than the list prices billed to Medicare by 75% of providers in related specialties within Washington. 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. John Alan Heywood, MD treated as a cardiac electrophysiologist in Bellevue, WA during 2012 were cardiac procedures, hospital care, inpatient care and ultrasound (sonogram).

Volume of procedures performed by Dr. John Alan Heywood, MD for Medicare patients.

ablation	60
blood draw	54
cardiac procedures	326
cardioversion	15
catheterization	42
diagnostic procedures	43
doctor visit	659
hospital care	196
implant surgery	17
inpatient care	182
minimally invasive procedures	110
nuclear scan	27
stress testing	89
ultrasound (sonogram)	181
vascular procedures	12

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John Alan Heywood, MD treated as a cardiac electrophysiologist in Bellevue, WA during 2013 were cardiac procedures, hospital care, inpatient care and ultrasound (sonogram).

Volume of procedures performed by Dr. John Alan Heywood, MD for Medicare patients.

ablation	24
cardiac procedures	188
cardioversion	15
catheterization	12
diagnostic procedures	12
doctor visit	548
hospital care	172
implant surgery	15
inpatient care	172
minimally invasive procedures	50
nuclear scan	18
stress testing	52
ultrasound (sonogram)	121

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John Alan Heywood, MD.

**Gender**
Male	526
Female	541

**Ethnicity**
Non-Hispanic White	958
Black	14
Hispanic	0
Asian	63
Other	16
Native American	0

**Age**
From 65 to 74	319
From 75 to 84	418
85 and over	285
Less than 65	45

Conditions of Medicare patients treated by Dr. John Alan Heywood, MD in 2013

Hypertension	75
High Cholesterol	58
Stroke	10
Ischemic Heart Disease	53
Depression	21
Chronic Kidney Disease	32
Asthma	8
Osteoperosis	9
Atrial Fibrilation	37
Heart Failure	40
Chronic Obstructive Pulmonary Disease	17
Diabetes	28
Dementia	18
Cancer	15

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John Alan Heywood, MD treated as a cardiac electrophysiologist in Bellevue, WA during 2014 were cardiac procedures, ultrasound (sonogram), inpatient care and hospital care.

Volume of procedures performed by Dr. John Alan Heywood, MD for Medicare patients.

cardiac procedures	266
cardioversion	13
catheterization	13
diagnostic procedures	13
doctor visit	534
hospital care	172
implant surgery	31
implantable cardioverter-defibrillator (ICD) replacement	20
inpatient care	172
minimally invasive procedures	59
nuclear scan	19
stress testing	62
ultrasound (sonogram)	186
vascular procedures	13

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John Alan Heywood, MD.

**Gender**
Male	542
Female	542

**Ethnicity**
Non-Hispanic White	1004
Black	0
Hispanic	0
Asian	40
Other	20
Native American	0

**Age**
From 65 to 74	321
From 75 to 84	392
85 and over	329
Less than 65	42

Conditions of Medicare patients treated by Dr. John Alan Heywood, MD in 2014

Hypertension	75
High Cholesterol	60
Stroke	10
Ischemic Heart Disease	52
Depression	21
Chronic Kidney Disease	35
Asthma	8
Osteoperosis	11
Atrial Fibrilation	37
Heart Failure	38
Chronic Obstructive Pulmonary Disease	16
Diabetes	25
Dementia	18
Cancer	14

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John Alan Heywood, MD treated as a cardiac electrophysiologist in Bellevue, WA during 2015 were cardiac procedures, inpatient care, hospital care and ultrasound (sonogram).

Volume of procedures performed by Dr. John Alan Heywood, MD for Medicare patients.

ablation	50
ambulatory monitoring	13
cardiac procedures	298
cardioversion	16
catheterization	25
diagnostic procedures	25
doctor visit	582
hospital care	239
implant surgery	15
inpatient care	239
minimally invasive procedures	80
nuclear scan	23
stress testing	59
ultrasound (sonogram)	203

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John Alan Heywood, MD.

**Gender**
Male	1360
Female	1324

**Ethnicity**
Non-Hispanic White	2440
Black	26
Hispanic	0
Asian	134
Other	56
Native American	0

**Age**
From 65 to 74	738
From 75 to 84	1040
85 and over	802
Less than 65	104

Conditions of Medicare patients treated by Dr. John Alan Heywood, MD in 2015

Hypertension	74
High Cholesterol	60
Stroke	9
Ischemic Heart Disease	53
Depression	22
Chronic Kidney Disease	36
Asthma	15
Osteoperosis	11
Atrial Fibrilation	37
Heart Failure	38
Chronic Obstructive Pulmonary Disease	15
Diabetes	27
Dementia	18
Cancer	14

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John Alan Heywood, MD treated as a cardiac electrophysiologist in Bellevue, WA during 2016 were cardiac procedures, hospital care, inpatient care and ultrasound (sonogram).

Volume of procedures performed by Dr. John Alan Heywood, MD for Medicare patients.

ambulatory monitoring	12
cardiac procedures	273
cardioversion	17
doctor visit	506
hospital care	248
implant surgery	14
inpatient care	235
minimally invasive procedures	14
nuclear scan	25
outpatient care	13
stress testing	70
ultrasound (sonogram)	197

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John Alan Heywood, MD.

**Gender**
Male	650
Female	620

**Ethnicity**
Non-Hispanic White	1129
Black	20
Hispanic	0
Asian	68
Other	38
Native American	0

**Age**
From 65 to 74	340
From 75 to 84	518
85 and over	359
Less than 65	53

Conditions of Medicare patients treated by Dr. John Alan Heywood, MD in 2016

Hypertension	75
High Cholesterol	61
Stroke	8
Ischemic Heart Disease	53
Depression	23
Chronic Kidney Disease	38
Asthma	20
Osteoperosis	10
Atrial Fibrilation	39
Heart Failure	38
Chronic Obstructive Pulmonary Disease	17
Diabetes	28
Dementia	18
Cancer	15

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John Alan Heywood, MD treated as a cardiac electrophysiologist in Bellevue, WA during 2017 were cardiac procedures, inpatient care, hospital care and ultrasound (sonogram).

Volume of procedures performed by Dr. John Alan Heywood, MD for Medicare patients.

ablation	70
ambulatory monitoring	35
cardiac procedures	380
cardioversion	20
catheterization	47
diagnostic procedures	47
doctor visit	542
hospital care	251
implant surgery	14
inpatient care	251
minimally invasive procedures	119
nuclear scan	23
stress testing	65
ultrasound (sonogram)	239
vascular procedures	12

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John Alan Heywood, MD.

**Gender**
Male	624
Female	618

**Ethnicity**
Non-Hispanic White	1113
Black	0
Hispanic	0
Asian	59
Other	41
Native American	0

**Age**
From 65 to 74	317
From 75 to 84	517
85 and over	360
Less than 65	48

Conditions of Medicare patients treated by Dr. John Alan Heywood, MD in 2017

Hypertension	75
High Cholesterol	57
Stroke	10
Ischemic Heart Disease	52
Depression	24
Chronic Kidney Disease	42
Asthma	9
Osteoperosis	11
Atrial Fibrilation	41
Heart Failure	40
Chronic Obstructive Pulmonary Disease	15
Diabetes	27
Dementia	17
Cancer	16

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John Alan Heywood, MD treated as a cardiac electrophysiologist in Bellevue, WA during 2018 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. John Alan Heywood, MD for Medicare patients.

ablation	50
ambulatory monitoring	13
cardiac procedures	372
cardioversion	18
catheterization	40
diagnostic procedures	40
doctor visit	588
hospital care	221
implant surgery	31
implantable cardioverter-defibrillator (ICD) replacement	12
inpatient care	209
minimally invasive procedures	123
nuclear scan	26
outpatient care	12
stress testing	79
ultrasound (sonogram)	236
vascular procedures	15

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John Alan Heywood, MD.

**Gender**
Male	678
Female	593

**Ethnicity**
Non-Hispanic White	1119
Black	0
Hispanic	21
Asian	72
Other	40
Native American	0

**Age**
From 65 to 74	324
From 75 to 84	526
85 and over	373
Less than 65	48

Conditions of Medicare patients treated by Dr. John Alan Heywood, MD in 2018

Hypertension	75
High Cholesterol	66
Stroke	9
Ischemic Heart Disease	54
Depression	23
Chronic Kidney Disease	44
Asthma	8
Osteoperosis	10
Atrial Fibrilation	41
Heart Failure	42
Chronic Obstructive Pulmonary Disease	15
Diabetes	28
Dementia	20
Cancer	14

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John Alan Heywood, MD treated as a cardiac electrophysiologist in Bellevue, WA during 2019 were cardiac procedures, hospital care, inpatient care and ultrasound (sonogram).

Volume of procedures performed by Dr. John Alan Heywood, MD for Medicare patients.

ablation	36
ambulatory monitoring	24
cardiac procedures	320
cardioversion	17
catheterization	18
diagnostic procedures	18
doctor visit	513
hospital care	284
implant surgery	34
implantable cardioverter-defibrillator (ICD) replacement	15
inpatient care	273
minimally invasive procedures	92
nuclear scan	21
outpatient care	11
stress testing	54
ultrasound (sonogram)	204

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John Alan Heywood, MD.

**Gender**
Male	693
Female	618

**Ethnicity**
Non-Hispanic White	1151
Black	25
Hispanic	0
Asian	77
Other	47
Native American	0

**Age**
From 65 to 74	403
From 75 to 84	488
85 and over	374
Less than 65	46

Conditions of Medicare patients treated by Dr. John Alan Heywood, MD in 2019

Hypertension	75
High Cholesterol	65
Stroke	10
Ischemic Heart Disease	54
Depression	25
Chronic Kidney Disease	43
Asthma	9
Osteoperosis	10
Atrial Fibrilation	37
Heart Failure	0
Chronic Obstructive Pulmonary Disease	16
Diabetes	26
Dementia	20
Cancer	13

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. John Alan Heywood, MD treated as a cardiac electrophysiologist in Bellevue, WA during 2020 were cardiac procedures, hospital care, inpatient care and ultrasound (sonogram).

Volume of procedures performed by Dr. John Alan Heywood, MD for Medicare patients.

ablation	60
ambulatory monitoring	18
cardiac procedures	247
cardioversion	21
catheterization	30
diagnostic procedures	30
doctor visit	483
hospital care	211
implant surgery	22
inpatient care	211
minimally invasive procedures	103
ultrasound (sonogram)	177

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John Alan Heywood, MD.

**Gender**
Male	622
Female	481

**Ethnicity**
Non-Hispanic White	967
Black	0
Hispanic	0
Asian	67
Other	46
Native American	0

**Age**
From 65 to 74	300
From 75 to 84	433
85 and over	328
Less than 65	42

Conditions of Medicare patients treated by Dr. John Alan Heywood, MD in 2020

Hypertension	72
High Cholesterol	64
Stroke	10
Ischemic Heart Disease	50
Depression	19
Chronic Kidney Disease	40
Asthma	7
Osteoperosis	10
Atrial Fibrilation	36
Heart Failure	41
Chronic Obstructive Pulmonary Disease	12
Diabetes	26
Dementia	16
Cancer	15

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John Alan Heywood, MD treated as a cardiac electrophysiologist in Bellevue, WA during 2021 were cardiac procedures, hospital care, inpatient care and ultrasound (sonogram).

Volume of procedures performed by Dr. John Alan Heywood, MD for Medicare patients.

ablation	30
cardiac procedures	169
cardioversion	17
catheterization	15
diagnostic procedures	15
doctor visit	502
hospital care	159
implant surgery	12
inpatient care	159
minimally invasive procedures	60
stress testing	14
ultrasound (sonogram)	142

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John Alan Heywood, MD.

**Gender**
Male	575
Female	504

**Ethnicity**
Non-Hispanic White	954
Black	0
Hispanic	0
Asian	69
Other	38
Native American	0

**Age**
From 65 to 74	283
From 75 to 84	467
85 and over	309
Less than 65	20

Conditions of Medicare patients treated by Dr. John Alan Heywood, MD in 2021

Hypertension	73
High Cholesterol	62
Stroke	9
Ischemic Heart Disease	48
Depression	19
Chronic Kidney Disease	36
Asthma	7
Osteoperosis	10
Atrial Fibrilation	40
Heart Failure	38
Chronic Obstructive Pulmonary Disease	11
Diabetes	24
Dementia	16
Cancer	13

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John Alan Heywood, MD treated as a cardiac electrophysiologist in Bellevue, WA during 2022 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. John Alan Heywood, MD for Medicare patients.

ablation	28
cardiac procedures	137
cardioversion	14
catheterization	14
diagnostic procedures	14
doctor visit	519
hospital care	97
implant surgery	16
inpatient care	97
minimally invasive procedures	44
stress testing	13
ultrasound (sonogram)	107

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John Alan Heywood, MD.

**Gender**
Male	582
Female	480

**Ethnicity**
Non-Hispanic White	927
Black	15
Hispanic	12
Asian	62
Other	46
Native American	0

**Age**
From 65 to 74	283
From 75 to 84	431
85 and over	319
Less than 65	29

Conditions of Medicare patients treated by Dr. John Alan Heywood, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	12
Ischemic Heart Disease	41
Depression	17
Chronic Kidney Disease	26
Asthma	10
Osteoperosis	14
Atrial Fibrilation	55
Heart Failure	35
Chronic Obstructive Pulmonary Disease	13
Diabetes	24
Dementia	14
Cancer	17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. John Alan Heywood, MD for Medicare patients.

The highest averages for the top procedures that Dr. John Alan Heywood, MD treated as a cardiac electrophysiologist in Bellevue, WA were cardiac procedures, hospital care, inpatient care and ultrasound (sonogram).

ablation	45
ambulatory monitoring	19
blood draw	54
cardiac procedures	270
cardioversion	16
catheterization	25
diagnostic procedures	25
doctor visit	543
hospital care	204
implant surgery	20
implantable cardioverter-defibrillator (ICD) replacement	15
inpatient care	200
minimally invasive procedures	77
nuclear scan	22
outpatient care	12
stress testing	55
ultrasound (sonogram)	181
vascular procedures	13

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. John Alan Heywood, MD.

**Gender**
Male	622
Female	574

**Ethnicity**
Black / African American	9
Asian / Pacific Islander	64
Non-Hispanic White	1069
Native American / Alaskan Native	0
Hispanic	3
Other	35

**Age**
75 to 84	475
85 and over	348
Less than 65	43
65 to 74	329

Average of Total of Conditions of Medicare patients treated by Dr. John Alan Heywood, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. John Alan Heywood, MD treated were hypertension, high cholesterol, ischemic heart disease and atrial fibrilation.

Hypertension	67
High Cholesterol	57
Stroke	8
Ischemic Heart Disease	46
Depression	19
Chronic Kidney Disease	33
Asthma	9
Osteoporosis	9
Heart Failure	31
Chronic Obstructive Pulmonary Disease	13
Diabetes	23
Atrial Fibrillation	36
Dementia	15
Cancer	13

Education & Training

Dr. John Alan Heywood, MD graduated from University of Washington School of Medicine in 1989. He completed residency at University of Vermont/Fletcher Allen Health Care. He has a state license in Washington.

Medical School: University of Washington School of Medicine (1989)

Residency: University of Vermont/Fletcher Allen Health Care (1992)

Licensed In: Washington

Affiliations & Hospitals

Dr. John Alan Heywood, MD is associated with these hospitals and organizations:

Overlake Medical Center & Clinics

Overlake Provider

Ratings & Reviews

Dr. John Alan Heywood, MD has an exceptional overall rating with an average of 4.88 out of 5 stars based on 243 ratings. We collect ratings and reviews of Dr. John Alan Heywood, MD from all over the web to help you find the right in Bellevue, WA.

4.88

Overall Rating

(243 Ratings)

Leave a Review

Reviews From Around The Web

Overall Rating: 5.0 2024-10-25

Patient verified via Press Ganey

Dr. Heywood is the best doctor we have ever had. He is so caring and thorough! He is both professional and personal, and always goes above and beyond his normal duty!

Overall Rating: 5.0 2026-03-26

Patient verified via Press Ganey

Dr. Heywood is very thorough and inspires confidence with his knowledge and responses to questions.

Overall Rating: 5.0 2025-05-27

Patient verified via Press Ganey

I would highly recommend Dr. Heywood for his competence and quality of cardiac care.

Overall Rating: 5.0 2025-12-12

Patient verified via Press Ganey

Dr. Heywood explained things very well and listened to me with genuine interest.

Overall Rating: 5.0 2025-10-24

Patient verified via Press Ganey

Dr. Heywood explains, listens, answers.Superb doctor and great team.

Overall Rating: 5.0 2024-10-29

Patient verified via Press Ganey

I feel extremely fortunate to have Dr. Heywood as my cardiologist.

Overall Rating: 5.0 2025-04-16

Patient verified via Press Ganey

Hadn't seen Dr for many years so was nice to get reacquainted

Overall Rating: 5.0 2024-08-08

Patient verified via Press Ganey

Still best in the game.

General Payments

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

**Payments by Company**
E.R. Squibb & Sons, L.L.C.	$34,918 ELIQUIS $34,918
Siemens Medical Solutions USA, Inc.	$2,320 SC2000 $1,160	ACUSON Sequoia Diagnostic Ultrasound System $1,160
Abbott Laboratories	$2,194 AVEIR $1,601	Confirm Rx $305	Cardiac Mapping System $204	Cardiac Diagnostics $46	AMPLATZER Occluders $16	Other $22
Boston Scientific Corporation	$1,036 Tachy System $567	TACHY LEAD $147	Brady Generator $58	TACHY HF $27	RHYTHMIA MAPPING SYSTEM $24	Other $212
St. Jude Medical, Inc.	$489 Electrophysiology $281	Electrophysiology (EP) $154	NT1100 $54
Other	$1,285 Cardiac $228	Ablation Catheters#Accessories $110	Carto 3 $100	Confidense $99	Reveal LINQ $94	Other $654

**Types of Payments**
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$34,406
Food and Beverage	$4,036
Consulting Fee	$2,160
Travel and Lodging	$1,640

Research Payments

Dr. John Alan Heywood, MD has received 32 research payments totaling $42,413.

Biography

Dr. John Heywood specializes in cardiac electrophysiology (heart rhythm). Patient reviews placed Dr. Heywood at an average of 5.0 stars (out of 5). He attended medical school at the University of Washington School of Medicine. For his professional training, Dr. Heywood completed a residency program at the University of Vermont/Fletcher Allen Health Care. He is professionally affiliated with Overlake Medical Center & Clinics. He has an open panel in Bellevue, WA according to Doctor.com.