Physician Profile
John J Mazur, M.D. practices pulmonary disease in Great Falls, MT. John is a 1986 graduate of University of Michigan Medical School. Medicare claims data shows John provided 1,957 services to 1,411 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Source: NPPES NPI Registry
1400 29TH ST S
Great Falls, MT 59405
Within Pulmonary Disease generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Most searched procedures
1,957 services · 1,411 patients · 19 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Biopsy of lobe of lung using an endoscope, 1 lobe | Procedure | 31628 |
14 |
| Irrigation and suction of lung airways to obtain cells using an endoscope | Procedure | 31624 |
12 |
| Test to measure expiratory airflow and volume | Treatment | 94010 |
367 |
| Test to measure expiratory airflow and volume changes before and after medication administration | Treatment | 94060 |
231 |
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | Treatment | 90677 |
75 |
| Test to examine how well the lungs exchange gases | Treatment | 94729 |
65 |
| Test to determine lung volumes using sensors | Treatment | 94726 |
65 |
| Test for exercise-induced lung stress | Treatment | 94618 |
56 |
| Test to measure the level of nitric oxide gas | Treatment | 95012 |
41 |
| Influenza vaccine, trivalent derived from recombinant dna | Treatment | 90673 |
27 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Mazur is a pulmonary disease in Great Falls, MT. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “PULMONARY DISEASE”.
NPI registry
Dr. Mazur is listed at 1400 29TH ST S, Great Falls, MT 59405. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (406) 454-2171. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Mazur's National Provider Identifier is 1659364651. 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
Dr. Mazur attended University of Michigan Medical School, graduating in 1986. This comes from the CMS National Downloadable File.
CMS public data
Dr. Mazur has 40 years experience. Calculated from a graduation year of 1986, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Mazur performs procedures including biopsy of lobe of lung using an endoscope, 1 lobe and irrigation and suction of lung airways to obtain cells using an endoscope; provides treatments such as test to measure expiratory airflow and volume and test to measure expiratory airflow and volume changes before and after medication administration, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Mazur. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.