Affiliated with a Castle Connolly Top Hospital
Who is Dr. Tonnessen, Cardiologist in Flemington, NJ?
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 a Cardiologist like Dr. Tonnessen typically 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. Learn more about our claims-based healthcare methodology.
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
What procedures does a Cardiologist like Dr. Tonnessen typically 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. Learn more about our claims-based healthcare methodology.
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
- 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
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
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 contact the office 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
Cigna Group
CVS Health (formerly Aetna)
Federal government of the United States
Horizon BlueCross BlueShield
Horizon Mutual Holdings
Independence Health Group
Medicare
Mutual of Omaha
UMR Administered Payer
UnitedHealth Group
View All Insurances
Where is Dr. Tonnessen's office located?
What hospitals are Dr. Tonnessen affiliated with?
Castle Connolly Top Hospital
This doctor is affiliated with a Castle Connolly Top Hospital.
Dr. Tonnessen has admitting privileges at the following hospitals:
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?A 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