In 2023, Dr. Jon Stephen Portnoff, MD had a list price for cardiac imaging, color Doppler echocardiography, Doppler echocardiography, echocardiogram (echo), spectral Doppler echocardiography, and transthoracic echocardiography (TTE) that was lower than the list prices billed to Medicare by 90% 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. Jon Stephen Portnoff, MD treated as an interventional cardiologist in Ukiah, CA during 2012 were cardiac procedures, ultrasound (sonogram), stress testing and hospital care.

Volume of procedures performed by Dr. Jon Stephen Portnoff, MD for Medicare patients.

ambulatory monitoring	23
cardiac procedures	546
doctor visit	263
hospital care	156
inpatient care	156
stress testing	195
ultrasound (sonogram)	368

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Jon Stephen Portnoff, MD treated as an interventional cardiologist in Ukiah, CA during 2013 were cardiac procedures, ultrasound (sonogram), stress testing and hospital care.

Volume of procedures performed by Dr. Jon Stephen Portnoff, MD for Medicare patients.

ambulatory monitoring	37
cardiac procedures	417
doctor visit	980
hospital care	109
inpatient care	109
stress testing	129
ultrasound (sonogram)	286

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Jon Stephen Portnoff, MD.

**Gender**
Male	365
Female	373

**Ethnicity**
Non-Hispanic White	657
Black	0
Hispanic	40
Asian	0
Other	0
Native American	25

**Age**
From 65 to 74	259
From 75 to 84	256
85 and over	158
Less than 65	65

Conditions of Medicare patients treated by Dr. Jon Stephen Portnoff, MD in 2013

Hypertension	75
High Cholesterol	61
Stroke	8
Ischemic Heart Disease	52
Depression	20
Chronic Kidney Disease	26
Asthma	7
Osteoperosis	7
Atrial Fibrilation	33
Heart Failure	30
Chronic Obstructive Pulmonary Disease	18
Diabetes	29
Dementia	10
Cancer	10

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Jon Stephen Portnoff, MD treated as an interventional cardiologist in Ukiah, CA during 2014 were cardiac procedures, ultrasound (sonogram), stress testing and hospital care.

Volume of procedures performed by Dr. Jon Stephen Portnoff, MD for Medicare patients.

ambulatory monitoring	27
cardiac procedures	485
doctor visit	912
hospital care	111
inpatient care	111
stress testing	131
ultrasound (sonogram)	368

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Jon Stephen Portnoff, MD.

**Gender**
Male	384
Female	417

**Ethnicity**
Non-Hispanic White	725
Black	0
Hispanic	36
Asian	0
Other	0
Native American	27

**Age**
From 65 to 74	303
From 75 to 84	277
85 and over	155
Less than 65	66

Conditions of Medicare patients treated by Dr. Jon Stephen Portnoff, MD in 2014

Hypertension	75
High Cholesterol	56
Stroke	7
Ischemic Heart Disease	52
Depression	21
Chronic Kidney Disease	27
Asthma	8
Osteoperosis	7
Atrial Fibrilation	30
Heart Failure	30
Chronic Obstructive Pulmonary Disease	22
Diabetes	28
Dementia	8
Cancer	12

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Jon Stephen Portnoff, MD treated as an interventional cardiologist in Ukiah, CA during 2015 were cardiac procedures, ultrasound (sonogram), stress testing and hospital care.

Volume of procedures performed by Dr. Jon Stephen Portnoff, MD for Medicare patients.

cardiac procedures	367
doctor visit	892
hospital care	47
inpatient care	47
stress testing	96
ultrasound (sonogram)	290

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Jon Stephen Portnoff, MD.

**Gender**
Male	710
Female	768

**Ethnicity**
Non-Hispanic White	1288
Black	0
Hispanic	100
Asian	0
Other	0
Native American	54

**Age**
From 65 to 74	518
From 75 to 84	512
85 and over	328
Less than 65	120

Conditions of Medicare patients treated by Dr. Jon Stephen Portnoff, MD in 2015

Hypertension	75
High Cholesterol	54
Stroke	7
Ischemic Heart Disease	50
Depression	22
Chronic Kidney Disease	29
Asthma	17
Osteoperosis	6
Atrial Fibrilation	31
Heart Failure	32
Chronic Obstructive Pulmonary Disease	23
Diabetes	29
Dementia	8
Cancer	10

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Jon Stephen Portnoff, MD treated as an interventional cardiologist in Ukiah, CA during 2016 were cardiac procedures, ultrasound (sonogram), stress testing and hospital care.

Volume of procedures performed by Dr. Jon Stephen Portnoff, MD for Medicare patients.

cardiac procedures	305
doctor visit	1074
hospital care	16
inpatient care	16
stress testing	80
ultrasound (sonogram)	251

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Jon Stephen Portnoff, MD.

**Gender**
Male	430
Female	395

**Ethnicity**
Non-Hispanic White	721
Black	0
Hispanic	47
Asian	0
Other	14
Native American	30

**Age**
From 65 to 74	316
From 75 to 84	248
85 and over	189
Less than 65	72

Conditions of Medicare patients treated by Dr. Jon Stephen Portnoff, MD in 2016

Hypertension	75
High Cholesterol	56
Stroke	8
Ischemic Heart Disease	52
Depression	20
Chronic Kidney Disease	30
Asthma	21
Osteoperosis	4
Atrial Fibrilation	30
Heart Failure	29
Chronic Obstructive Pulmonary Disease	19
Diabetes	30
Dementia	10
Cancer	9

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Jon Stephen Portnoff, MD treated as an interventional cardiologist in Ukiah, CA during 2017 were cardiac procedures, ultrasound (sonogram) and stress testing.

Volume of procedures performed by Dr. Jon Stephen Portnoff, MD for Medicare patients.

cardiac procedures	386
doctor visit	1137
stress testing	45
ultrasound (sonogram)	363

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Jon Stephen Portnoff, MD.

**Gender**
Male	419
Female	400

**Ethnicity**
Non-Hispanic White	702
Black	0
Hispanic	51
Asian	0
Other	12
Native American	41

**Age**
From 65 to 74	319
From 75 to 84	238
85 and over	182
Less than 65	80

Conditions of Medicare patients treated by Dr. Jon Stephen Portnoff, MD in 2017

Hypertension	75
High Cholesterol	50
Stroke	8
Ischemic Heart Disease	49
Depression	22
Chronic Kidney Disease	33
Asthma	7
Osteoperosis	4
Atrial Fibrilation	29
Heart Failure	28
Chronic Obstructive Pulmonary Disease	22
Diabetes	34
Dementia	11
Cancer	9

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Jon Stephen Portnoff, MD treated as an interventional cardiologist in Ukiah, CA during 2018 were cardiac procedures, ultrasound (sonogram) and stress testing.

Volume of procedures performed by Dr. Jon Stephen Portnoff, MD for Medicare patients.

cardiac procedures	422
doctor visit	1024
stress testing	83
ultrasound (sonogram)	361

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Jon Stephen Portnoff, MD.

**Gender**
Male	434
Female	387

**Ethnicity**
Non-Hispanic White	708
Black	0
Hispanic	51
Asian	0
Other	12
Native American	36

**Age**
From 65 to 74	323
From 75 to 84	252
85 and over	182
Less than 65	64

Conditions of Medicare patients treated by Dr. Jon Stephen Portnoff, MD in 2018

Hypertension	75
High Cholesterol	59
Stroke	8
Ischemic Heart Disease	49
Depression	23
Chronic Kidney Disease	31
Asthma	7
Osteoperosis	4
Atrial Fibrilation	31
Heart Failure	29
Chronic Obstructive Pulmonary Disease	22
Diabetes	30
Dementia	13
Cancer	11

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Jon Stephen Portnoff, MD treated as an interventional cardiologist in Ukiah, CA during 2019 were cardiac procedures, ultrasound (sonogram), stress testing and hospital care.

Volume of procedures performed by Dr. Jon Stephen Portnoff, MD for Medicare patients.

cardiac procedures	302
doctor visit	1063
hospital care	13
inpatient care	13
stress testing	47
ultrasound (sonogram)	255

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Jon Stephen Portnoff, MD.

**Gender**
Male	396
Female	358

**Ethnicity**
Non-Hispanic White	656
Black	0
Hispanic	39
Asian	0
Other	0
Native American	30

**Age**
From 65 to 74	298
From 75 to 84	253
85 and over	151
Less than 65	52

Conditions of Medicare patients treated by Dr. Jon Stephen Portnoff, MD in 2019

Hypertension	75
High Cholesterol	61
Stroke	8
Ischemic Heart Disease	48
Depression	24
Chronic Kidney Disease	31
Asthma	6
Osteoperosis	6
Atrial Fibrilation	32
Heart Failure	31
Chronic Obstructive Pulmonary Disease	21
Diabetes	30
Dementia	12
Cancer	9

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Jon Stephen Portnoff, MD treated as an interventional cardiologist in Ukiah, CA during 2020 were cardiac procedures, ultrasound (sonogram), stress testing and hospital care.

Volume of procedures performed by Dr. Jon Stephen Portnoff, MD for Medicare patients.

cardiac procedures	220
doctor visit	1011
hospital care	13
inpatient care	13
stress testing	39
ultrasound (sonogram)	181

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Jon Stephen Portnoff, MD.

**Gender**
Male	365
Female	335

**Ethnicity**
Non-Hispanic White	595
Black	0
Hispanic	48
Asian	0
Other	13
Native American	32

**Age**
From 65 to 74	284
From 75 to 84	250
85 and over	131
Less than 65	35

Conditions of Medicare patients treated by Dr. Jon Stephen Portnoff, MD in 2020

Hypertension	75
High Cholesterol	61
Stroke	8
Ischemic Heart Disease	49
Depression	21
Chronic Kidney Disease	31
Asthma	7
Osteoperosis	6
Atrial Fibrilation	28
Heart Failure	30
Chronic Obstructive Pulmonary Disease	21
Diabetes	29
Dementia	11
Cancer	9

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Jon Stephen Portnoff, MD treated as an interventional cardiologist in Ukiah, CA during 2021 were cardiac procedures, ultrasound (sonogram), stress testing and hospital care.

Volume of procedures performed by Dr. Jon Stephen Portnoff, MD for Medicare patients.

cardiac procedures	215
doctor visit	1036
hospital care	13
inpatient care	13
stress testing	31
ultrasound (sonogram)	184

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Jon Stephen Portnoff, MD.

**Gender**
Male	368
Female	330

**Ethnicity**
Non-Hispanic White	592
Black	0
Hispanic	47
Asian	0
Other	17
Native American	28

**Age**
From 65 to 74	262
From 75 to 84	267
85 and over	134
Less than 65	35

Conditions of Medicare patients treated by Dr. Jon Stephen Portnoff, MD in 2021

Hypertension	75
High Cholesterol	59
Stroke	7
Ischemic Heart Disease	47
Depression	17
Chronic Kidney Disease	28
Asthma	4
Osteoperosis	5
Atrial Fibrilation	25
Heart Failure	27
Chronic Obstructive Pulmonary Disease	15
Diabetes	30
Dementia	12
Cancer	8

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Jon Stephen Portnoff, MD treated as an interventional cardiologist in Ukiah, CA during 2022 were ultrasound (sonogram) and cardiac procedures.

Volume of procedures performed by Dr. Jon Stephen Portnoff, MD for Medicare patients.

cardiac procedures	169
doctor visit	1237
ultrasound (sonogram)	169

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Jon Stephen Portnoff, MD.

**Gender**
Male	395
Female	346

**Ethnicity**
Non-Hispanic White	634
Black	0
Hispanic	49
Asian	0
Other	21
Native American	24

**Age**
From 65 to 74	277
From 75 to 84	301
85 and over	129
Less than 65	34

Conditions of Medicare patients treated by Dr. Jon Stephen Portnoff, MD in 2022

Hypertension	75
High Cholesterol	70
Stroke	11
Ischemic Heart Disease	36
Depression	16
Chronic Kidney Disease	21
Asthma	9
Osteoperosis	8
Atrial Fibrilation	40
Heart Failure	26
Chronic Obstructive Pulmonary Disease	18
Diabetes	29
Dementia	7
Cancer	13

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Jon Stephen Portnoff, MD for Medicare patients.

The highest averages for the top procedures that Dr. Jon Stephen Portnoff, MD treated as an interventional cardiologist in Ukiah, CA were cardiac procedures, ultrasound (sonogram), stress testing and hospital care.

ambulatory monitoring	29
cardiac procedures	348
doctor visit	966
hospital care	59
inpatient care	59
stress testing	87
ultrasound (sonogram)	279

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Jon Stephen Portnoff, MD.

**Gender**
Female	373
Male	387

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	661
Native American / Alaskan Native	29
Hispanic	46
Other	8

**Age**
85 and over	158
75 to 84	259
Less than 65	56
65 to 74	287

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

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

Hypertension	68
High Cholesterol	53
Stroke	7
Ischemic Heart Disease	44
Depression	18
Chronic Kidney Disease	26
Asthma	8
Osteoporosis	5
Heart Failure	26
Chronic Obstructive Pulmonary Disease	18
Diabetes	27
Atrial Fibrillation	28
Dementia	9
Cancer	9

Education & Training

He has a state license in California.

Licensed In: California

Ratings & Reviews

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General Payments

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

**Payments by Company**
Medtronic Vascular, Inc.	$533 STENTS $151	Cardiac Resynchronization Therapy - CRT $87	Heart Valves $59	Evera $58	Implantable Cardioverter Defibrillators - ICDs $49	Other $129
Novartis Pharmaceuticals Corporation	$158 ENTRESTO $133	LEQVIO $25
Janssen Pharmaceuticals, Inc	$125 XARELTO $125
Philips Electronics North America Corporation	$80 (5044) MCOT $80
Inari Medical, Inc.	$74 FLOWTRIEVER CATHETER, S $43	ClotTriever $31
Other	$301 Carnation Ambulatory Monitor $54	JARDIANCE $49	ELIQUIS $30	LifeVest $27	WATCHMAN FLX $26	Other $115

**Types of Payments**
Food and Beverage	$1,270

Biography

Dr. Jon Portnoff sees patients in Ukiah, CA. His medical specialties are adult cardiology and interventional cardiology. Dr. Portnoff obtained a license to practice in California.

Select Year:

Dr. Jon Stephen Portnoff, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Jon Stephen Portnoff, MD in 2023

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. Jon Stephen Portnoff, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jon Stephen Portnoff, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jon Stephen Portnoff, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jon Stephen Portnoff, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jon Stephen Portnoff, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jon Stephen Portnoff, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jon Stephen Portnoff, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jon Stephen Portnoff, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jon Stephen Portnoff, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jon Stephen Portnoff, 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. Jon Stephen Portnoff, MD From 2012 - 2022

Education & Training

Ratings & Reviews

General Payments

Biography

Interventional Cardiologists in Nearby Locations

Other Providers in Ukiah, CA