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BIG SKY ONCOLOGY
NPI 1083793244
Internal Medicine - Hematology & Oncology in Great Falls, MT

Active since November 06, 2006
1117 29TH ST S, SUITE 500, GREAT FALLS, MT 59405(406) 731-8100(406) 731-8135 Get Directions Write a Review

NPPES record last updated: August 22, 2020. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Big Sky Oncology NPPES

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

BIG SKY ONCOLOGY (NPI 1083793244) is a healthcare organization registered as a hematology & oncology in Great Falls, Montana and active in the NPI registry since November 2006. The organization lists Grant W Harrer, Preisdent, as its authorized official.

NPPES Registry Identity

NPI1083793244
Entity TypeOrganization
Primary Taxonomy207RH0003X
Legal Business NameBIG SKY ONCOLOGY
Location Address1117 29TH ST S, SUITE 500Great Falls, MT 59405-5306
Mailing Address1117 29th St S, Suite 500Great Falls, MT 59405-5306 · (406) 731-8100 · Fax (406) 731-8135
Phone(406) 731-8100
Fax(406) 731-8135
Organization SubpartNo
Authorized OfficialGrant W HarrerPreisdent · (406) 731-8100
Enumeration DateNovember 6, 2006
Last NPPES UpdateAugust 22, 2020
✔ NPI 1083793244 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in MT · 5278
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
1117 29TH ST S, Great Falls, MT 59405
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES 16

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

BENEFIS HEALTHCARE PRACTITIONERS, PC
Internal Medicine (Hematology & Oncology)
1117 29TH ST S
GREAT FALLS, MT 59405
Cascade County (406) 731-8150
BENEFIS HEALTHCARE PRACTITIONERS, PC
Radiology (Radiation Oncology)
1117 29TH ST S
GREAT FALLS, MT 59405
Cascade County (406) 731-8240
MR. DONALD HALL BERDEAUX MD
Internal Medicine (Hematology & Oncology)
1117 29TH ST S
GREAT FALLS, MT 59405
Cascade County (406) 731-8200
ETHAN MICHAEL CLARK HOWE CRNP
Nurse Practitioner (Adult Health)
1117 29TH ST S, SUITE 500
GREAT FALLS, MT 59405
Cascade County (406) 731-8100
MS. DEVIN M NELSON PA-C
Physician Assistant
1117 29TH ST S
GREAT FALLS, MT 59405
Cascade County (406) 731-8888
PATRICK TANG MD
Internal Medicine (Hematology & Oncology)
1117 29TH ST S, BENEFIS SLETTEN CANCER CENTER
GREAT FALLS, MT 59405
Cascade County (406) 731-8200
MEGHAN MARIE MCGRATH DNP, FNP, OCN, VA-BC
Nurse Practitioner (Family)
1117 29TH ST S
GREAT FALLS, MT 59405
Cascade County (406) 455-5000
BENEFIS HEALTHCARE PRACTITIONERS
Radiology (Radiation Oncology)
1117 29TH ST S
GREAT FALLS, MT 59405
Cascade County (406) 731-8240

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 Big Sky Oncology's NPI number?

The NPI number for Big Sky Oncology is 1083793244. It was assigned to this organization in the NPPES registry on November 6, 2006.

Where is Big Sky Oncology located?

Big Sky Oncology is located at 1117 29th St S Suite 500, Great Falls, MT 59405. The listed phone number is (406) 731-8100.

What is Big Sky Oncology's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

When was this NPI record last updated?

The NPPES record for Big Sky Oncology was last updated on August 22, 2020. NPI Profile syncs with the weekly NPPES data releases published by CMS.