SLETTEN CANCER SPECIALISTS
NPI 1013152727
Internal Medicine - Hematology & Oncology in Great Falls, MT

Q: What is Benefis Healthcare Practitioners, PC's NPI number?

The NPI number for Benefis Healthcare Practitioners, PC is 1013152727. It was assigned to this organization in the NPPES registry on December 9, 2008. The provider is doing business as Sletten Cancer Specialists.

Q: What is Benefis Healthcare Practitioners, PC's specialty?

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

Active since December 09, 2008

1117 29TH ST S, GREAT FALLS, MT 59405(406) 731-8150(406) 731-8178 Get Directions Write a Review

NPPES record last updated: December 9, 2008. Verified against the NPPES registry weekly; last sync: July 26, 2026.

On this page

About Sletten Cancer Specialists NPPES

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

SLETTEN CANCER SPECIALISTS (NPI 1013152727) is a healthcare organization registered as a hematology & oncology in Great Falls, Montana and active in the NPI registry since December 2008. The organization lists Daniel J Reiner, Chief Administrative Officer, as its authorized official.

NPPES Registry Identity

NPI1013152727

Entity TypeOrganization

Primary Taxonomy207RH0003X

Legal Business NameBENEFIS HEALTHCARE PRACTITIONERS, PC

Location Address1117 29TH ST SGreat Falls, MT 59405-5306

Mailing Address2519 13th Ave SGreat Falls, MT 59405-5178 · (406) 455-4470 · Fax (406) 268-0084

Phone(406) 731-8150

Fax(406) 731-8178

Organization SubpartNo

Authorized OfficialDaniel J ReinerChief Administrative Officer · (406) 455-4470

Enumeration DateDecember 9, 2008

✔ NPI 1013152727 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0003X

License✔ Licensed in MT · 7270

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.

Also ListedRadiology · Radiation OncologyTaxonomy 2085R0001X · License 11840 (MT)

1117 29TH ST S, Great Falls, MT 59405

Open in Google Maps ↗

Other Names 1

Doing Business AsSletten Cancer Specialists

Other Identifiers 1

Medicare PIN000085424MT

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-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

Radiology (Radiation Oncology)

1117 29TH ST S
GREAT FALLS, MT 59405

Cascade County (406) 731-8240

ETHAN MICHAEL CLARK HOWE CRNP

Nurse Practitioner (Adult Health)

1117 29TH ST S, SUITE 500
GREAT FALLS, MT 59405

Cascade County (406) 731-8100

MR. DONALD HALL BERDEAUX MD

Internal Medicine (Hematology & Oncology)

1117 29TH ST S
GREAT FALLS, MT 59405

Cascade County (406) 731-8200

BENEFIS HEALTHCARE PRACTITIONERS, PC

Internal Medicine (Medical Oncology)

1117 29TH ST S
GREAT FALLS, MT 59405

Cascade County (406) 731-8210

BENEFIS HEALTHCARE PRACTITIONERS, PC

Radiology (Radiation Oncology)

1117 29TH ST S
GREAT FALLS, MT 59405

Cascade County (406) 731-8240

BIG SKY ONCOLOGY

Internal Medicine (Hematology & Oncology)

1117 29TH ST S, SUITE 500
GREAT FALLS, MT 59405

Cascade County (406) 731-8100

BENEFIS COMMUNITY CARE, INC.

Prosthetic/Orthotic Supplier

1117 29TH ST S
GREAT FALLS, MT 59405

Cascade County (406) 731-8145

MS. DEVIN M NELSON PA-C

Physician Assistant

1117 29TH ST S
GREAT FALLS, MT 59405

Cascade County (406) 731-8888

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 Benefis Healthcare Practitioners, PC's NPI number?

The NPI number for Benefis Healthcare Practitioners, PC is 1013152727. It was assigned to this organization in the NPPES registry on December 9, 2008. The provider is doing business as Sletten Cancer Specialists.

Where is Benefis Healthcare Practitioners, PC located?

Benefis Healthcare Practitioners, PC is located at 1117 29th St S, Great Falls, MT 59405. The listed phone number is (406) 731-8150.

What is Benefis Healthcare Practitioners, PC'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 Benefis Healthcare Practitioners, PC was last updated on December 9, 2008. NPI Profile syncs with the weekly NPPES data releases published by CMS.