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

Mary E Gray, FNP

Individual provider Family Nurse Practitioner · NPI 1184625055

Mary E Gray, FNP is a Nurse Practitioner in Great Falls, Montana. Qualified in 1988, 38 years ago. Practices with Benefis Hospitals Inc, a 398-clinician group and accepts Medicare assignment. Licensed in Montana.

Years since qualifying
38
Licensed in
MT
In the registry since
2005
What do these letters mean?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

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Practice location Address checks out

1401 25th St S
Great Falls, MT 59405-5183
Phone: (406) 731-8888
Fax: (406) 731-8876
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 100012 (MT)

Record details

NPI number1184625055
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP
Sole proprietorNo
NPI enumeratedAugust 2, 2005
Last updated in NPPESMarch 27, 2026
Certification dateMarch 27, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 1988 (38 years in practice)
Group practice Benefis Hospitals Inc — 398 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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