Are you Nathaniel J. Madsen, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 937 Highland Blvd Ste 5510, Bozeman, MT 59715
About Dr. Madsen
Based in Bozeman, MT, Nathaniel J. Madsen, M.D. is listed in the NPI registry under interventional cardiology. Nathaniel graduated from Loyola University of Chicago, Stritch School of Medicine in 2005. Nathaniel is also listed as specializing in cardiovascular disease. Medicare claims data shows Nathaniel provided 1,309 services to 1,180 patients. The services billed most often include routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only, ultrasound of heart with color-depicted blood flow, rate, direction and valve function, and use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes. NPI 1609927607 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (406) 414-3959
- Email not available
Practice Locations
937 HIGHLAND BLVD STE 5510
Bozeman, MT 59715
Conditions Commonly Evaluated or Treated
Within Interventional Cardiology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- AFib
- Arrhythmias
- Coronary artery disease
- Heart attack
Artery blockages
- Aortic aneurysm
- Carotid Artery Blockage
- Completely Blocked Heart Artery
- Microvascular angina
- Re-Blocked Heart Stent
- Severely Calcified Heart Arteries
- Torn Heart Artery
Blood clots
Blood pressure
Chest symptoms
- Unexplained chest pain
Circulation & veins
- Chronic venous insufficiency
- Non-Healing Foot Sores From Poor Blood Flow
- Peripheral artery disease
Coronary disease
- Acute coronary syndrome
- Stable angina
Heart failure
- Congestive heart failure
- Shock
Heart muscle
- Dilated cardiomyopathy
- Hypertrophic cardiomyopathy
Heart muscle conditions
- Myocarditis
- Sudden Heart Muscle Weakness
Heart rhythm
- Heart palpitations
- Slow heart rate (bradycardia)
- Supraventricular tachycardia
Heart rhythm & blood flow
- Fainting and syncope
Heart valves
- Aortic stenosis
- Heart Murmur
- Mitral regurgitation
- Tricuspid regurgitation
Structural & congenital
- Coarctation of the Aorta
- Hole Between Bottom Heart Chambers
Structural heart
- Patent foramen ovale
- Pericardial effusion
Valve disease
- Failing Artificial Heart Valve
- Mitral stenosis
- Narrowed Pulmonary Valve
Vascular disease
- Leg Cramps When Walking
- Narrow kidney artery
- Stomach Pain After Eating From Arteries
- Subclavian Steal Syndrome
Vein conditions
- May-Thurner Syndrome
- Pelvic Congestion Syndrome
- Varicose veins
Procedures & services
Most searched procedures
- AFib ablation
- Angioplasty and stenting
- Cardiac catheterization
- Pacemaker implantation
- Watchman procedure
Artery procedures
- Atherectomy
- Carotid Artery Stent
- Drug-Coated Balloon Treatment
- Minimally Invasive Aneurysm Repair
- Opening Chronic 100% Blocked Heart Arteries
- Shockwave Plaque Busting In Heart Arteries
Blood pressure procedures
- High Blood Pressure Nerve Treatment
Circulation & limbs
- Laser Vein Treatment For Leg Swelling
- Leg Artery Stent
Circulatory support
- Intra-aortic balloon pump placement
Clot procedures
- Catheter Blood Clot Removal From Legs
- Catheter Clot Dissolving Treatment
- IVC Filter Placement
- IVC Filter Removal
Coronary stenting
- Bypass Graft Stenting
Diagnostic catheterization
- Right heart catheterization
Diagnostic tests
- Coronary Artery Spasm Test
- Coronary Microvascular Resistance Test
- Heart Muscle Biopsy
Diagnostics & monitoring
- Fractional flow reserve measurement
- Implantable Loop Recorder (Cardiac Monitor Implant)
- Intravascular ultrasound
Emergency heart procedures
- Clot Suction From Heart Arteries
Heart devices
- Electrical cardioversion
- Implantable cardioverter-defibrillator placement
Heart muscle
- Alcohol Ablation For Thickened Heart Muscle
Heart support
- Percutaneous ventricular-assist device placement
Imaging & diagnostics
Stenting
- Arm Artery Stent
- Mesenteric Artery Stenting
- Renal artery stenting
Structural heart repair
- Aortic Coarctation Stent
- Ventricular Septal Defect Repair
Structural repair
- Heart Fluid Drainage (Pericardiocentesis)
- Patent foramen ovale closure
Valve procedures
- Balloon Heart Valve Opening
- Leaky Artificial Heart Valve Repair
- Transcatheter aortic valve replacement
- Transcatheter mitral valve repair
- Transcatheter Pulmonary Valve Replacement
- TriClip Valve Repair
Valve replacement
- Transcatheter Tricuspid Valve Replacement
- Valve-In-Valve Heart Replacement
Vein procedures
- Iliac Vein Stenting
- Microfoam Vein Injection
- Radiofrequency Vein Closure
- Varicose Vein Medical Glue
Procedures Most Often Billed to Medicare
1,309 services · 1,180 patients · 18 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ultrasonic guidance for blood vessel access | Imaging | 76937 |
77 | More often than most peers in Interventional Cardiology |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
390 | As often as other peers in Interventional Cardiology |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
275 | As often as other peers in Interventional Cardiology |
| Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | Treatment | 99152 |
97 | More often than most peers in Interventional Cardiology |
| Heart muscle strain imaging | Treatment | 93356 |
70 | More often than most peers in Interventional Cardiology |
| Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist | Treatment | 93458 |
63 | More often than most peers in Interventional Cardiology |
| Ultrasound of heart with color-depicted blood flow, rate and valve function | Treatment | 93325 |
27 | As often as other peers in Interventional Cardiology |
| Ultrasound evaluation of heart blood vessel during diagnosis or treatment, initial vessel | Treatment | 93571 |
20 | As often as other peers in Interventional Cardiology |
| Ultrasound evaluation of heart blood vessel or graft with review by radiologist, initial vessel | Treatment | 92978 |
19 | Less often than most peers in Interventional Cardiology |
| Ultrasound of heart, follow-up | Treatment | 93308 |
17 | Less often than most peers in Interventional Cardiology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Trained at Loyola University of Chicago, Stritch School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 9 related providers in 2 groups
Class of 2005 at Loyola University of Chicago, Stritch School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Ultrasonic guidance for blood vessel access 1
Providers in MT who bill this service to Medicare most often.
Common questions
What kind of doctor is Nathaniel J. Madsen?
Nathaniel J. Madsen is an interventional cardiologist in Bozeman, MT. That is the designation recorded for this NPI in the federal registry, where it is listed as “Interventional Cardiology”.
NPI registry
What is Nathaniel J. Madsen's address?
Nathaniel J. Madsen is listed at 937 Highland Blvd Ste 5510, Bozeman, MT 59715. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Nathaniel J. Madsen?
The number on file is (406) 414-3959. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Nathaniel J. Madsen?
Nathaniel J. Madsen's National Provider Identifier is 1609927607. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Nathaniel J. Madsen train?
Nathaniel J. Madsen attended Loyola University of Chicago, Stritch School of Medicine, graduating in 2005. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Nathaniel J. Madsen have?
Nathaniel J. Madsen has 21 years experience. Calculated from a graduation year of 2005, reported in the CMS National Downloadable File.
CMS public data
What procedures does Nathaniel J. Madsen perform?
According to Medicare billing data, Nathaniel J. Madsen performs imaging including ultrasonic guidance for blood vessel access; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only and ultrasound of heart with color-depicted blood flow, rate, direction and valve function, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Nathaniel J. Madsen's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Nathaniel J. Madsen. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.