Physician Profile
Unclaimed ProfileAbout MADSEN
Based in Bozeman, MT, Nathaniel John 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 specialising in cardiovascular disease.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What kind of doctor is Dr. Madsen?
Dr. Madsen is an interventional cardiology in Bozeman, MT. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERVENTIONAL CARDIOLOGY”.
NPI registry
What is Dr. Madsen's address?
Dr. 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 Dr. Madsen?
The number on file is (406) 414-3959. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Madsen?
Dr. 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 Dr. Madsen train?
Dr. 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 Dr. Madsen have?
Dr. 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 Dr. Madsen perform?
According to Medicare billing data, Dr. 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 Dr. Madsen's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Madsen. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (406) 414-3959
- Email not available
Practice Locations
937 HIGHLAND BLVD STE 5510
Bozeman, MT 59715
Procedures Most Often Billed to Medicare
1,309 services · 1,180 patients · 18 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Ultrasonic guidance for blood vessel access | Imaging | 76937 |
77 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
390 |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
275 |
| Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | Treatment | 99152 |
97 |
| Heart muscle strain imaging | Treatment | 93356 |
70 |
| Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist | Treatment | 93458 |
63 |
| Ultrasound of heart with color-depicted blood flow, rate and valve function | Treatment | 93325 |
27 |
| Ultrasound evaluation of heart blood vessel during diagnosis or treatment, initial vessel | Treatment | 93571 |
20 |
| Ultrasound evaluation of heart blood vessel or graft with review by radiologist, initial vessel | Treatment | 92978 |
19 |
| Ultrasound of heart, follow-up | Treatment | 93308 |
17 |
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 — 16 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 8
Providers in MT who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.