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

John J Cassani, DO

Individual provider Family Medicine Physician · NPI 1003894320

John J Cassani, DO is a Family Medicine Physician in Helena, Montana. Licensed in Florida, New Mexico and Nevada. Registered with an NPI since 2006.

Licensed in
FL, NM, NV
In the registry since
2006
Specialties on file
3
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

2550 E Broadway St
Helena, MT 59601-4905
Phone: (406) 457-4180
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence OS13496 (FL)
Family Medicine Physician Taxonomy 207Q00000X · Licence 345 (NV)
Family Medicine Physician Taxonomy 207Q00000X · Licence A-1686-12 (NM)

Record details

NPI number1003894320
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJanuary 6, 2006
Last updated in NPPESMarch 12, 2018
Mailing addressPo Box 6369, Helena, MT 59604-6369

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