Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Tonnessen, Cardiologist in Flemington, NJ?
Dr. Glen Tonnessen, MD is a Cardiologist, who primarily practices in Flemington, NJ with 2 additional practice locations. Dr. Tonnessen is fluent in English, Croatian, Polish, Russian, and Spanish, and is currently seeing new patients. Dr. Tonnessen’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Tonnessen’s office.
What languages does Dr. Tonnessen speak?
Dr. Tonnessen and their clinical team can communicate with patients in the following languages:
Croatian
English
Polish
Russian
Spanish
What conditions does Dr. Tonnessen treat?
As a Cardiologist, Dr. Tonnessen diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Tonnessen. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Chronic Venous Insufficiency
- Vascular Disease
- CVI
- Venous Reflux Disease
- Leg Vein Incompetence
- Peripheral Venous Insufficiency
ICD-10 Codes:
- I872: Venous insufficiency (chronic) (peripheral)
Also known as:
- Lymphedema
- Lymphatic Swelling
- Fluid Retention in Limbs
- Chronic Swelling
ICD-10 Codes:
- I890: Lymphedema, not elsewhere classified
Also known as:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
Also known as:
- Hardening of the Arteries in the Heart without Chest Pain
- Atherosclerosis
- Coronary Artery Disease
- Silent Coronary Artery Disease
- Asymptomatic Atherosclerosis
ICD-10 Codes:
- I2510: Atherosclerotic heart disease of native coronary artery without angina pectoris
Also known as:
- Right Leg Pain
- Left Leg Pain
- Leg Injuries and Disorder
- Pain
- Pain in right lower limb
- Right leg discomfort
- Aching right leg
- Pain in left lower limb
- Left leg discomfort
- Aching left leg
ICD-10 Codes:
- M79604: Pain in right leg
- M79605: Pain in left leg
Also known as:
- Localized Swelling
- Edema
- Localized Edema
- Fluid Retention
- Swelling in one area
ICD-10 Codes:
- R600: Localized edema
What procedures does Dr. Tonnessen perform?
As a Cardiologist, Dr. Tonnessen performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Tonnessen. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Foam Sclerotherapy for Varicose Veins
- Laser Treatment for Varicose Veins
- Radiofrequency Ablation for Varicose Veins (Additional Vein)
- Varicose vein foam injection
- Ultrasound-guided sclerotherapy
- Saphenous vein treatment
- Endovenous Laser Ablation
- Vein Laser Therapy
- Varicose Vein Laser Surgery
- Incompetent Vein Ablation
- RF ablation for veins
- Endovenous radiofrequency treatment
- Varicose vein heat treatment
CPT Codes:
- 36465: Injection of non-compounded foam sclerosant with ultrasound compression maneuvers to guide dispersion of the injectate, inclusive of all imaging guidance and monitoring; single incompetent extremity truncal vein (eg, great saphenous vein, accessory saphenous vein)
- 36478: Endovenous ablation therapy of incompetent vein, extremity, inclusive of all imaging guidance and monitoring, percutaneous, laser; first vein treated
- 36476: Endovenous ablation therapy of incompetent vein, extremity, inclusive of all imaging guidance and monitoring, percutaneous, radiofrequency; subsequent vein(s) treated in a single extremity, each through separate access sites (List separately in addition to code for primary procedure)
Also known as:
- Sclerotherapy for Varicose Veins
- Vein Injection Therapy
- Varicose Vein Sclerosing
- Chemical Ablation of Veins
CPT Codes:
- 36471: Injection of sclerosant; multiple incompetent veins (other than telangiectasia), same leg
Also known as:
- Radiofrequency Vein Ablation
- Vein Closure with Chemical Adhesive
- Laser Treatment for Varicose Veins (Additional Veins)
- Endovenous Radiofrequency Ablation
- RF Ablation for Varicose Veins
- Vein Closure Procedure
- Varicose Vein Treatment
- Endovenous Chemical Ablation
- Varicose Vein Glue Treatment
- Cyanoacrylate Vein Ablation
- VenaSeal Procedure
- Endovenous laser ablation
- Varicose vein laser treatment
- Vein ablation therapy
- Percutaneous laser vein treatment
CPT Codes:
- 36475: Endovenous ablation therapy of incompetent vein, extremity, inclusive of all imaging guidance and monitoring, percutaneous, radiofrequency; first vein treated
- 36482: Endovenous ablation therapy of incompetent vein, extremity, by transcatheter delivery of a chemical adhesive (eg, cyanoacrylate) remote from the access site, inclusive of all imaging guidance and monitoring, percutaneous; first vein treated
- 36479: Endovenous ablation therapy of incompetent vein, extremity, inclusive of all imaging guidance and monitoring, percutaneous, laser; subsequent vein(s) treated in a single extremity, each through separate access sites (List separately in addition to code for primary procedure)
Also known as:
- Varicose Vein Removal (Stab Phlebectomy)
- Microphlebectomy
- Ambulatory Phlebectomy
- Stab Incision Vein Removal
CPT Codes:
- 37765: Stab phlebectomy of varicose veins, 1 extremity; 10-20 stab incisions
Does Dr. Tonnessen accept my insurance?
Dr. Tonnessen accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Tonnessen accept in Flemington, NJ?
Dr. Tonnessen in Flemington, NJ accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Braven Health
CVS Health (formerly Aetna)
Department of Defense / Tricare
Express Scripts
HealthComp
Horizon BlueCross BlueShield
Independence Blue Cross
Medicare
State of Tennessee
UnitedHealthcare
View All Insurances
Where is Dr. Tonnessen's office located?
Ratings & Reviews
5.0
Overall rating
Based on 115 reviews
Office Experience
99% of patients found the doctor and staff friendly and the office clean and modern
Attentiveness
97% of patients felt that their time spent with the doctor was meaningful and impactful and that any follow ups were addressed quickly
Wait Times
90% of patients were satisfied with the wait time
Appointment Booking
98% of patients found it easy to book an appointment
Patients give Dr. Glen Tonnessen an Excellent overall experience rating of 5 out of 5 stars. Dr. Tonnessen has been rated and reviewed by 115 patients. These ratings are based on a variety of factors, including the amount of time patients spent with Dr. Tonnessen, his bedside manner, appointment waiting time, friendliness of the office staff, clarity of diagnosis, and more.
Read Patient ReviewsWhat is Dr. Tonnessen's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Tonnessen's National Provider Identifier (NPI) number is 1154387389.
What common questions do patients ask about Dr. Tonnessen?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Tonnessen
What is Dr. Glen Tonnessen's specialty?
Dr. Tonnessen is a Cardiologist near Flemington, NJ. An internist specializing in cardiovascular diseases focuses on the diagnosis and management of complex heart and blood vessel conditions, including heart attacks and life-threatening arrhythmias. Contact Dr. Tonnessen to book an appointment today.
Is this Dr. Glen Tonnessen affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Tonnessen is affiliated with Hunterdon Medical Center which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
Where can I learn more about Cardiologist?
Explore Cardiologist with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Glen Tonnessen accepting new patients in Flemington, NJ?
Yes, Dr. Glen Tonnessen is accepting new patients at this time.
Does Dr. Glen Tonnessen offer online booking?
Please contact Dr. Tonnessen's office for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Glen Tonnessen?
Please contact Dr. Tonnessen's office for information regarding telehealth appointment availability or for scheduling assistance.
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