What is John Mazur's specialty?

John Mazur (NPI 1659364651) is a Medicare-billing provider whose primary specialty is Pulmonary Disease in Great Falls, MT.

Where does John Mazur practice?

John Mazur practices in Great Falls, MT, based on the location reported in the CMS Medicare provider datasets for NPI 1659364651.

How much does Medicare pay John Mazur?

John Mazur (NPI 1659364651) received approximately $219K in total Medicare Part B payments, serving 372 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1659364651

John MazurM.D.

PRACTICEGREAT FALLS CLINIC LLCSee all providers at this practice →

Pulmonary DiseaseGreat Falls, MTI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,411

Unique beneficiaries

—

Total services

1,957

Distinct HCPCS

Medicare payment

$126K

Peer benchmark

Total Medicare services vs. 33 Pulmonary Disease providers in MT — top quintile (cohort median 733).

PRESCRIBING · PART D · 2024

Total Rx claims

2,755

Beneficiaries

—

Total drug cost

$1.6M

Distinct drugs

Brand share

66.9%

Top prescribed drugs

Fluticasone/Umeclidin/Vilanter299 claims

Tiotropium Br/Olodaterol Hcl226 claims

Albuterol Sulfate204 claims

Budesonide/Glycopyr/Formoterol160 claims

Montelukast Sodium156 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$1K

Payment records

By payment type

Food and Beverage$1K

Education$100

Top paying entities

Food and Beverage$1K

Education$100

REFERRAL NETWORK

Where John Mazur's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 39 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Matthew Wetzel Diagnostic Radiology · Great Falls, MT	114	470
Great Falls Emergency Services Inc Ambulance Service Provider · Great Falls, MT	64	124
William Rowe Internal Medicine · Lewiston, ID	61	529
Anastasia Balius Interventional Radiology · Great Falls, MT	53	139
Michael Walters Diagnostic Radiology · Great Falls, MT	46	147
Andrew Baugh Interventional Radiology · Great Falls, MT	41	143
David Engbrecht Family Practice · Great Falls, MT	30	91
David Anderson Pulmonary Disease · Great Falls, MT	28	95
Eve Gerasimou Internal Medicine · Great Falls, MT	27	126
Milissa Priebe Nurse Practitioner · Bozeman, MT	26	38
Richard Carson Pathology · Great Falls, MT	25	62
Varghese Parambi Nephrology · Great Falls, MT	25	108

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events