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Dr. Glen Erik Tonnessen, MD, DABVLM

Accepting New Patients

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Specializes in: Vascular Medicine (Blood Vessel Disease), Interventional Cardiology, Vein Disease (Phlebology) and Adult Cardiology

St. George's University School of Medicine

1121 Route 22 West Suite 201
Bridgewater, NJ 08807

(908) 788-0066

Dr. Glen Erik Tonnessen, MD, DABVLM is a vascular medicine specialist in Flemington, NJ specializing in vascular medicine (blood vessel disease), interventional cardiology, vein disease (phlebology) and adult cardiology. He graduated from St. George's University School of Medicine. Dr. Glen Erik Tonnessen, MD, DABVLM is affiliated with Hunterdon Health, HUNTERDON MEDICAL CENTER and HUNTERDON CARDIOVASCULAR ASSOCIATES.

Office Locations

Hunterdon Health

1100 Wescott Drive Suite G3
Flemington, NJ 08822

(908) 788-1710

(908) 788-1716

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Hunterdon Health

1121 Route 22 West Suite 201
Bridgewater, NJ 08807

(908) 788-0066

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Hunterdon Health

1738 Route 31 Suite 110
Clinton, NJ 08809

(908) 617-5556

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Noteworthy Medicare Patient Procedures Performed by Dr. Glen Erik Tonnessen, MD, DABVLM in 2023

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

Top 5%

By Volume:

ablation

endovenous laser ablation

sclerotherapy for varicose veins

In 2023, Dr. Glen Erik Tonnessen, MD, DABVLM performed more ablation, endovenous laser ablation (EVLA), and sclerotherapy for varicose veins procedures for Medicare patients than 95% of providers in related specialties within New Jersey.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Glen Erik Tonnessen, MD, DABVLM treated as a vascular medicine specialist in Flemington, NJ during 2012 were hospital care, lab tests, inpatient care and minimally invasive procedures.

Volume of procedures performed by Dr. Glen Erik Tonnessen, MD, DABVLM for Medicare patients.

ablation	121
cardiac procedures	155
doctor visit	1146
hospital care	331
implant surgery	15
injections	58
inpatient care	319
lab tests	330
laser treatment	63
minimally invasive procedures	211
outpatient care	12
preventive care	20
ultrasound (sonogram)	140
vaccines	20
vascular procedures	133

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Glen Erik Tonnessen, MD, DABVLM treated as a vascular medicine specialist in Flemington, NJ during 2013 were vascular procedures, ultrasound (sonogram), minimally invasive procedures and hospital care.

Volume of procedures performed by Dr. Glen Erik Tonnessen, MD, DABVLM for Medicare patients.

ablation	195
cardiac procedures	148
doctor visit	1040
hospital care	291
implant surgery	11
injections	84
inpatient care	291
lab tests	216
laser treatment	95
minimally invasive procedures	334
ultrasound (sonogram)	406
vascular procedures	481

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Glen Erik Tonnessen, MD, DABVLM.

**Gender**
Male	441
Female	519

**Ethnicity**
Non-Hispanic White	920
Black	0
Hispanic	16
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	360
From 75 to 84	331
85 and over	225
Less than 65	44

Conditions of Medicare patients treated by Dr. Glen Erik Tonnessen, MD, DABVLM in 2013

Hypertension	75
High Cholesterol	70
Stroke	8
Ischemic Heart Disease	59
Depression	17
Chronic Kidney Disease	32
Asthma	11
Osteoperosis	9
Atrial Fibrilation	37
Heart Failure	36
Chronic Obstructive Pulmonary Disease	18
Diabetes	36
Dementia	11
Cancer	12

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Glen Erik Tonnessen, MD, DABVLM treated as a vascular medicine specialist in Flemington, NJ during 2014 were vascular procedures, ultrasound (sonogram), minimally invasive procedures and hospital care.

Volume of procedures performed by Dr. Glen Erik Tonnessen, MD, DABVLM for Medicare patients.

ablation	202
cardiac procedures	110
doctor visit	884
hospital care	220
implant surgery	20
injections	101
inpatient care	220
lab tests	163
laser treatment	80
minimally invasive procedures	323
ultrasound (sonogram)	374
vascular procedures	486

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Glen Erik Tonnessen, MD, DABVLM.

**Gender**
Male	463
Female	480

**Ethnicity**
Non-Hispanic White	901
Black	11
Hispanic	16
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	337
From 75 to 84	325
85 and over	220
Less than 65	61

Conditions of Medicare patients treated by Dr. Glen Erik Tonnessen, MD, DABVLM in 2014

Hypertension	75
High Cholesterol	72
Stroke	7
Ischemic Heart Disease	58
Depression	15
Chronic Kidney Disease	32
Asthma	10
Osteoperosis	8
Atrial Fibrilation	36
Heart Failure	32
Chronic Obstructive Pulmonary Disease	17
Diabetes	33
Dementia	11
Cancer	11

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Glen Erik Tonnessen, MD, DABVLM treated as a vascular medicine specialist in Flemington, NJ during 2015 were vascular procedures, ultrasound (sonogram), minimally invasive procedures and hospital care.

Volume of procedures performed by Dr. Glen Erik Tonnessen, MD, DABVLM for Medicare patients.

ablation	143
cardiac procedures	94
doctor visit	774
hospital care	154
implant surgery	23
injections	49
inpatient care	154
lab tests	24
laser treatment	74
minimally invasive procedures	260
ultrasound (sonogram)	322
vascular procedures	394

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Glen Erik Tonnessen, MD, DABVLM.

**Gender**
Male	778
Female	930

**Ethnicity**
Non-Hispanic White	1612
Black	0
Hispanic	36
Asian	0
Other	26
Native American	0

**Age**
From 65 to 74	632
From 75 to 84	580
85 and over	386
Less than 65	110

Conditions of Medicare patients treated by Dr. Glen Erik Tonnessen, MD, DABVLM in 2015

Hypertension	75
High Cholesterol	68
Stroke	8
Ischemic Heart Disease	61
Depression	19
Chronic Kidney Disease	32
Asthma	19
Osteoperosis	7
Atrial Fibrilation	32
Heart Failure	34
Chronic Obstructive Pulmonary Disease	20
Diabetes	34
Dementia	11
Cancer	14

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Glen Erik Tonnessen, MD, DABVLM treated as a vascular medicine specialist in Flemington, NJ during 2016 were vascular procedures, ultrasound (sonogram), minimally invasive procedures and ablation.

Volume of procedures performed by Dr. Glen Erik Tonnessen, MD, DABVLM for Medicare patients.

ablation	206
cardiac procedures	84
doctor visit	848
hospital care	111
implant surgery	17
injections	110
inpatient care	111
laser treatment	71
minimally invasive procedures	319
ultrasound (sonogram)	336
vascular procedures	475

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Glen Erik Tonnessen, MD, DABVLM.

**Gender**
Male	445
Female	527

**Ethnicity**
Non-Hispanic White	911
Black	0
Hispanic	19
Asian	0
Other	21
Native American	0

**Age**
From 65 to 74	376
From 75 to 84	312
85 and over	213
Less than 65	71

Conditions of Medicare patients treated by Dr. Glen Erik Tonnessen, MD, DABVLM in 2016

Hypertension	75
High Cholesterol	66
Stroke	9
Ischemic Heart Disease	57
Depression	18
Chronic Kidney Disease	39
Asthma	24
Osteoperosis	9
Atrial Fibrilation	30
Heart Failure	32
Chronic Obstructive Pulmonary Disease	22
Diabetes	33
Dementia	13
Cancer	15

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Glen Erik Tonnessen, MD, DABVLM treated as a vascular medicine specialist in Flemington, NJ during 2017 were vascular procedures, minimally invasive procedures, ultrasound (sonogram) and ablation.

Volume of procedures performed by Dr. Glen Erik Tonnessen, MD, DABVLM for Medicare patients.

ablation	316
doctor visit	786
hospital care	17
injections	165
inpatient care	17
laser treatment	133
minimally invasive procedures	467
ultrasound (sonogram)	364
vascular procedures	680

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Glen Erik Tonnessen, MD, DABVLM.

**Gender**
Male	263
Female	335

**Ethnicity**
Non-Hispanic White	555
Black	0
Hispanic	13
Asian	0
Other	18
Native American	0

**Age**
From 65 to 74	265
From 75 to 84	191
85 and over	103
Less than 65	39

Conditions of Medicare patients treated by Dr. Glen Erik Tonnessen, MD, DABVLM in 2017

Hypertension	75
High Cholesterol	50
Stroke	6
Ischemic Heart Disease	50
Depression	16
Chronic Kidney Disease	34
Asthma	7
Osteoperosis	6
Atrial Fibrilation	29
Heart Failure	24
Chronic Obstructive Pulmonary Disease	20
Diabetes	28
Dementia	8
Cancer	12

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Glen Erik Tonnessen, MD, DABVLM treated as a vascular medicine specialist in Flemington, NJ during 2018 were vascular procedures, ultrasound (sonogram), minimally invasive procedures and ablation.

Volume of procedures performed by Dr. Glen Erik Tonnessen, MD, DABVLM for Medicare patients.

ablation	222
doctor visit	795
injections	126
laser treatment	79
minimally invasive procedures	318
ultrasound (sonogram)	408
vascular procedures	630

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Glen Erik Tonnessen, MD, DABVLM.

**Gender**
Male	243
Female	311

**Ethnicity**
Non-Hispanic White	518
Black	0
Hispanic	0
Asian	0
Other	16
Native American	0

**Age**
From 65 to 74	248
From 75 to 84	199
85 and over	91
Less than 65	16

Conditions of Medicare patients treated by Dr. Glen Erik Tonnessen, MD, DABVLM in 2018

Hypertension	75
High Cholesterol	75
Stroke	5
Ischemic Heart Disease	48
Depression	15
Chronic Kidney Disease	28
Asthma	6
Osteoperosis	8
Atrial Fibrilation	23
Heart Failure	18
Chronic Obstructive Pulmonary Disease	13
Diabetes	29
Dementia	5
Cancer	12

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Glen Erik Tonnessen, MD, DABVLM treated as a vascular medicine specialist in Flemington, NJ during 2019 were vascular procedures, ultrasound (sonogram), minimally invasive procedures and ablation.

Volume of procedures performed by Dr. Glen Erik Tonnessen, MD, DABVLM for Medicare patients.

ablation	182
doctor visit	775
injections	89
laser treatment	93
minimally invasive procedures	275
ultrasound (sonogram)	428
vascular procedures	610

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Glen Erik Tonnessen, MD, DABVLM.

**Gender**
Male	224
Female	317

**Ethnicity**
Non-Hispanic White	496
Black	0
Hispanic	14
Asian	0
Other	18
Native American	0

**Age**
From 65 to 74	229
From 75 to 84	202
85 and over	78
Less than 65	32

Conditions of Medicare patients treated by Dr. Glen Erik Tonnessen, MD, DABVLM in 2019

Hypertension	75
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	45
Depression	18
Chronic Kidney Disease	27
Asthma	8
Osteoperosis	9
Atrial Fibrilation	24
Heart Failure	21
Chronic Obstructive Pulmonary Disease	14
Diabetes	29
Dementia	6
Cancer	13

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Glen Erik Tonnessen, MD, DABVLM treated as a vascular medicine specialist in Flemington, NJ during 2020 were vascular procedures, ultrasound (sonogram), minimally invasive procedures and ablation.

Volume of procedures performed by Dr. Glen Erik Tonnessen, MD, DABVLM for Medicare patients.

ablation	167
doctor visit	773
injections	68
laser treatment	99
minimally invasive procedures	266
ultrasound (sonogram)	381
vascular procedures	548

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Glen Erik Tonnessen, MD, DABVLM.

**Gender**
Male	244
Female	306

**Ethnicity**
Non-Hispanic White	515
Black	0
Hispanic	15
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	244
From 75 to 84	202
85 and over	78
Less than 65	26

Conditions of Medicare patients treated by Dr. Glen Erik Tonnessen, MD, DABVLM in 2020

Hypertension	73
High Cholesterol	74
Stroke	5
Ischemic Heart Disease	46
Depression	15
Chronic Kidney Disease	29
Asthma	5
Osteoperosis	6
Atrial Fibrilation	19
Heart Failure	17
Chronic Obstructive Pulmonary Disease	12
Diabetes	26
Dementia	7
Cancer	13

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Glen Erik Tonnessen, MD, DABVLM treated as a vascular medicine specialist in Flemington, NJ during 2021 were vascular procedures, minimally invasive procedures, ultrasound (sonogram) and ablation.

Volume of procedures performed by Dr. Glen Erik Tonnessen, MD, DABVLM for Medicare patients.

ablation	109
doctor visit	791
injections	40
laser treatment	69
minimally invasive procedures	178
ultrasound (sonogram)	116
vascular procedures	225

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Glen Erik Tonnessen, MD, DABVLM.

**Gender**
Male	218
Female	292

**Ethnicity**
Non-Hispanic White	464
Black	11
Hispanic	0
Asian	0
Other	15
Native American	0

**Age**
From 65 to 74	214
From 75 to 84	208
85 and over	62
Less than 65	26

Conditions of Medicare patients treated by Dr. Glen Erik Tonnessen, MD, DABVLM in 2021

Hypertension	72
High Cholesterol	74
Stroke	5
Ischemic Heart Disease	43
Depression	15
Chronic Kidney Disease	27
Asthma	8
Osteoperosis	8
Atrial Fibrilation	17
Heart Failure	15
Chronic Obstructive Pulmonary Disease	9
Diabetes	27
Dementia	7
Cancer	13

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Glen Erik Tonnessen, MD, DABVLM treated as a vascular medicine specialist in Flemington, NJ during 2022 were minimally invasive procedures, ablation, vascular procedures and laser treatment.

Volume of procedures performed by Dr. Glen Erik Tonnessen, MD, DABVLM for Medicare patients.

ablation	99
doctor visit	789
injections	40
laser treatment	59
minimally invasive procedures	158
vascular procedures	99

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Glen Erik Tonnessen, MD, DABVLM.

**Gender**
Male	207
Female	307

**Ethnicity**
Non-Hispanic White	477
Black	0
Hispanic	11
Asian	0
Other	13
Native American	0

**Age**
From 65 to 74	201
From 75 to 84	218
85 and over	66
Less than 65	29

Conditions of Medicare patients treated by Dr. Glen Erik Tonnessen, MD, DABVLM in 2022

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	36
Depression	16
Chronic Kidney Disease	20
Asthma	8
Osteoperosis	17
Atrial Fibrilation	23
Heart Failure	17
Chronic Obstructive Pulmonary Disease	13
Diabetes	24
Dementia	4
Cancer	16

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Glen Erik Tonnessen, MD, DABVLM for Medicare patients.

The highest averages for the top procedures that Dr. Glen Erik Tonnessen, MD, DABVLM treated as a vascular medicine specialist in Flemington, NJ were vascular procedures, ultrasound (sonogram), minimally invasive procedures and hospital care.

ablation	178
cardiac procedures	118
doctor visit	854
hospital care	187
implant surgery	17
injections	84
inpatient care	185
lab tests	183
laser treatment	83
minimally invasive procedures	282
outpatient care	12
preventive care	20
ultrasound (sonogram)	327
vaccines	20
vascular procedures	432

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Glen Erik Tonnessen, MD, DABVLM.

**Gender**
Male	320
Female	393

**Ethnicity**
Black / African American	2
Asian / Pacific Islander	0
Non-Hispanic White	669
Native American / Alaskan Native	0
Hispanic	12
Other	11

**Age**
75 to 84	251
85 and over	138
Less than 65	41
65 to 74	282

Average of Total of Conditions of Medicare patients treated by Dr. Glen Erik Tonnessen, MD, DABVLM From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Glen Erik Tonnessen, MD, DABVLM treated were hypertension, high cholesterol, ischemic heart disease and chronic kidney disease.

Hypertension	67
High Cholesterol	63
Stroke	6
Ischemic Heart Disease	45
Depression	14
Chronic Kidney Disease	27
Asthma	9
Osteoporosis	7
Heart Failure	22
Chronic Obstructive Pulmonary Disease	14
Diabetes	27
Atrial Fibrillation	24
Dementia	7
Cancer	11

Education & Training

Dr. Glen Erik Tonnessen, MD, DABVLM graduated from St. George's University School of Medicine. He completed residency at UMDNJ-Robert Wood Johnson Medical School Affiliated Hospitals. He is certified by the Internal Medicine, Cardiovascular Disease, Nuclear Cardiology, Vascular Medicine and has a state license in New Jersey.

Medical School: St. George's University School of Medicine

Residency: UMDNJ-Robert Wood Johnson Medical School Affiliated Hospitals

Board Certification: Internal Medicine, Cardiovascular Disease, Nuclear Cardiology, Vascular Medicine

Licensed In: New Jersey

Affiliations & Hospitals

Dr. Glen Erik Tonnessen, MD, DABVLM is associated with these hospitals and organizations:

Hunterdon Health

HUNTERDON MEDICAL CENTER

HUNTERDON CARDIOVASCULAR ASSOCIATES

Ratings & Reviews

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General Payments

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

**Payments by Company**
AngioDynamics, Inc.	$42,509 EVLT $19,250	VenaCure 1470 Pro $43	$23,216
Medtronic Vascular, Inc.	$9,105 Implantable Cardioverter Defibrillators - ICDs $3,528	Connect HF $554	Cardiac Diagnostics and Monitoring $159	ClosureFast $136	MyCareLink $134	Other $4,593
Janssen Pharmaceuticals, Inc	$1,691 XARELTO $1,671	INVOKANA $17	$3
Amgen Inc.	$821 Repatha $805	Corlanor $16
Novartis Pharmaceuticals Corporation	$705 ENTRESTO $423	LEQVIO $282
Other	$5,175 ELIQUIS $428	Pradaxa $362	WATCHMAN $256	VERQUVO $239	PRALUENT $235	Other $3,655

**Types of Payments**
Consulting Fee	$26,750
Education	$15,128
Food and Beverage	$12,983
Travel and Lodging	$5,116
Entertainment	$30

Research Payments

Dr. Glen Erik Tonnessen, MD, DABVLM has received 11 research payments totaling $79,567.

Biography

Dr. Glenn Tonnessen is a specialist in vein disease (phlebology), adult cardiology, and interventional cardiology. He works in Flemington, NJ, Clinton, NJ, and Bridgewater, NJ. After attending St. George's University School of Medicine, he completed his residency training at a hospital affiliated with UMDNJ-New Jersey Medical School and a hospital affiliated with UMDNJ-Robert Wood Johnson Medical School. He is affiliated with Hunterdon Health. Hunterdon Health reports that Dr. Tonnessen is accepting new patients at his office in Flemington, NJ.

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Dr. Glen Erik Tonnessen, MD, DABVLM

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Glen Erik Tonnessen, MD, DABVLM in 2023

By Volume:

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. Glen Erik Tonnessen, MD, DABVLM in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Glen Erik Tonnessen, MD, DABVLM in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Glen Erik Tonnessen, MD, DABVLM in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Glen Erik Tonnessen, MD, DABVLM in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Glen Erik Tonnessen, MD, DABVLM in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Glen Erik Tonnessen, MD, DABVLM in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Glen Erik Tonnessen, MD, DABVLM in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Glen Erik Tonnessen, MD, DABVLM in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Glen Erik Tonnessen, MD, DABVLM in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Glen Erik Tonnessen, MD, DABVLM 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. Glen Erik Tonnessen, MD, DABVLM From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Research Payments

Biography

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