JOHN J MAZUR M.D.
NPI 1659364651
Internal Medicine - Pulmonary Disease in Great Falls, MT

Active since August 24, 2005PECOS EnrolledAccepts Medicare Assignment
80.46/100
CMS Quality Rating
1400 29TH ST S, GREAT FALLS, MT 59405(406) 454-2171(406) 771-3021 Get Directions Write a Review

NPPES record last updated: August 10, 2011. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About John J Mazur M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOHN J MAZUR M.D. (NPI 1659364651) is an individual pulmonary disease provider in Great Falls, Montana, licensed in Montana (12032) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, is affiliated with Benefis Hospitals Inc, and is a graduate of University Of Michigan Medical School (1986).

NPPES Registry Identity

NPI1659364651
Entity TypeIndividualMale
Primary Taxonomy207RP1001X
Provider Legal NameJOHN J MAZURCredential: M.D.
Location Address1400 29TH ST SGreat Falls, MT 59405-5353
Mailing Address1400 29th St SGreat Falls, MT 59405-5353 · (406) 454-2171 · Fax (406) 771-3021
Fax(406) 771-3021
Sole ProprietorNo
Medical School CMSUniversity Of Michigan Medical SchoolGraduated 1986
Enumeration DateAugust 24, 2005
Last NPPES UpdateAugust 10, 2011
NPI 1659364651 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
License Licensed in MT · 12032
Definition
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
1400 29TH ST S, Great Falls, MT 59405

Other Identifiers 3

Medicare UPINE21991MI
Medicaid1659364651MT
Medicare PIN011003056MT

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

John J Mazur M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2668458373
PECOS Enrollment IDI20090917000037
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 17

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
611 services320 patients
Test to measure expiratory airflow and volume 94010
This test, known as spirometry, assesses how well your lungs work. It measures how much air you can inhale, how much you can exhale and how quickly you can exhale. It's non-invasive and helps diagnose conditions like asthma or COPD.
367 services245 patients
Test to measure expiratory airflow and volume changes before and after medication administration 94060
This procedure measures how air flows in and out of your lungs. It's done before and after medication to see if the treatment improves your breathing. It's a simple, non-invasive test that involves breathing into a device called a spirometer.
231 services175 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
77 services60 patients
Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 90677
The Pneumococcal Conjugate Vaccine (PCV20) is a shot given to protect against 20 types of bacteria that can cause serious infections like pneumonia and meningitis. It's administered through a muscle, usually in the arm. It's important for overall health.
75 services74 patients
Administration of pneumococcal vaccine G0009
The pneumococcal vaccine helps protect against pneumococcal bacteria, which can cause severe infections like pneumonia and meningitis. The vaccine is given as an injection, typically in the arm. It's recommended for infants, older adults, and those with certain health conditions.
75 services74 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Benefis Hospitals Inc

Acute Care Hospitals · Great Falls, MT
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number270012
Location1101 26th St SGreat Falls, MT 59405 · Cascade County
Emergency services Birthing friendly

Great Falls Clinic Hospital

Acute Care Hospitals · Great Falls, MT
5/5 CMS rating
OwnershipProprietary
CMS Certification Number270086
Location3010 15th Avenue SouthGreat Falls, MT 59405 · Cascade County
Emergency services

Northern Montana Hospital

Critical Access Hospitals · Havre, MT
OwnershipVoluntary non-profit - Private
CMS Certification Number271348
Location30 13th StHavre, MT 59501 · Hill County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 59405 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$130.52 typical visit price
range $56.81 – $172.26
Typical copayment $32.63 (range $14.20 – $43.06)
Most-billed visit code 99204
Established Patient
$100.16 typical visit price
range $18.24 – $140.32
Typical copayment $25.04 (range $4.56 – $35.08)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

80.46/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality93.1
Promoting Interoperability75
Improvement Activities40
Cost62.61

Referred Medical Equipment & Supplies CMS DME claims 26

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
10 suppliers117 claims118 services$37.97 avg. paid by Medicare
Administration set, with small volume nonfiltered pneumatic nebulizer, disposable A7003
DME-Other DME · category DE000N
3 suppliers23 claims46 services$1.42 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
15 suppliers118 claims118 services$88.50 avg. paid by Medicare
Face mask interface, replacement for full face mask, each A7031
DME-Other DME · category DE001N
14 suppliers143 claims283 services$34.62 avg. paid by Medicare
Cushion for use on nasal mask interface, replacement only, each A7032
DME-Other DME · category DE001N
6 suppliers31 claims159 services$21.80 avg. paid by Medicare
Pillow for use on nasal cannula type interface, replacement only, pair A7033
DME-Other DME · category DE001N
4 suppliers19 claims65 services$16.27 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Social Worker
1400 29TH ST S
GREAT FALLS, MT 59405
Family Medicine
1400 29TH ST S
GREAT FALLS, MT 59405
Nurse Practitioner (Pediatrics)
1400 29TH ST S
GREAT FALLS, MT 59405
Pediatrics
1400 29TH ST S
GREAT FALLS, MT 59405
Obstetrics & Gynecology
1400 29TH ST S
GREAT FALLS, MT 59405
Family Medicine
1400 29TH ST S
GREAT FALLS, MT 59405
Internal Medicine (Rheumatology)
1400 29TH ST S
GREAT FALLS, MT 59405
Urology
1400 29TH ST S
GREAT FALLS, MT 59405

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Mazur's NPI number?

The NPI number for John Mazur is 1659364651. It was assigned to this individual provider in the NPPES registry on August 24, 2005.

Where is John Mazur located?

John Mazur practices at 1400 29th St S, Great Falls, MT 59405. The listed phone number is (406) 454-2171.

What is John Mazur's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is John Mazur enrolled in Medicare?

Yes. John Mazur is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does John Mazur accept?

Health plans from Blue Cross and Blue Shield of Montana and Providence Health Plan list John Mazur as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is John Mazur affiliated with any hospitals?

According to CMS data, John Mazur is affiliated with Benefis Hospitals Inc, Great Falls Clinic Hospital and Northern Montana Hospital.

When was this NPI record last updated?

The NPPES record for John Mazur was last updated on August 10, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.