Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

John Michael Mastie, RRT

Individual provider General Care Registered Respiratory Therapist · NPI 1538908546

John Michael Mastie, RRT is a General Care Registered Respiratory Therapist in Iron Mountain, Michigan. Licensed in Michigan. Registered with an NPI since 2024.

Licensed in
MI
In the registry since
2024
What do these letters mean?
RRT — Registered Respiratory Therapist
Treats breathing disorders and manages ventilators.

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Practice location Address checks out

325 E H St
Iron Mountain, MI 49801-4760
Phone: (906) 774-3300
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

General Care Registered Respiratory Therapist (primary) Taxonomy 2279G1100X (MI)

Record details

NPI number1538908546
Entity typeIndividual (Type 1)
GenderMale
Credentials RRT
Sole proprietorNo
NPI enumeratedMay 20, 2024
Last updated in NPPESMay 20, 2024
Certification dateFebruary 26, 2024
Mailing address135 Bass Lake Rd, Iron River, MI 49935-9303

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