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

Mary Jozwiak, MD

Individual provider Internal Medicine Physician · NPI 1922187749

Mary Jozwiak, MD is an Internal Medicine Physician in Billings, Montana. Licensed in Montana. Registered with an NPI since 2006.

Licensed in
MT
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2900 12th Ave N Ste 4E
Billings, MT 59101-0162
Phone: (406) 237-5554
Fax: (406) 245-2345
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physical Medicine & Rehabilitation Physician (primary) Taxonomy 208100000X · Licence MT8391 (MT)
Internal Medicine Physician Taxonomy 207R00000X · Licence MT8391 (MT)

Record details

NPI number1922187749
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 3, 2006
Last updated in NPPESSeptember 11, 2025

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