GORDON D. STILLIE D.O.
NPI 1316993082
Radiology - Radiation Oncology in Kalispell, MT

Active since May 25, 2006PECOS Enrolled
343 SUNNYVIEW LN, KALISPELL, MT 59901(406) 752-1790 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Gordon D. Stillie D.o. NPPES

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

GORDON D. STILLIE D.O. (NPI 1316993082) is an individual radiation oncology provider in Kalispell, Montana, licensed in Montana (10467) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1316993082
Entity TypeIndividualMale
Primary Taxonomy2085R0001X
Provider Legal NameGORDON D. STILLIECredential: D.O.
Location Address343 SUNNYVIEW LNKalispell, MT 59901-3156
Mailing AddressPo Box 7653Kalispell, MT 59904-0653 · (406) 751-6948
Sole ProprietorYes
Enumeration DateMay 25, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1316993082 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0001X
License✔ Licensed in MT · 10467
Definition
A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.
343 SUNNYVIEW LN, Kalispell, MT 59901

Other Identifiers 4

Medicare ID-Type Unspecified84692MT
Medicare UPINC50844MT
Other99676MT · Blue Cross
Medicaid141559MT

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gordon D. Stillie D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Gordon Stillie reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Surgery
1213 GUSDORF ROAD
Taos, NM 87571
  • Reassigned Medicare billing, New Mexico enrollment
  • 399 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 59901 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$172.26 typical visit price
range $56.81 – $172.26
Typical copayment $43.06 (range $14.20 – $43.06)
Most-billed visit code 99205
Established Patient
$70.82 typical visit price
range $18.24 – $140.32
Typical copayment $17.70 (range $4.56 – $35.08)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 8

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

Nurse Practitioner (Family)
343 SUNNYVIEW LN
KALISPELL, MT 59901
Nurse Practitioner (Family)
343 SUNNYVIEW LN
KALISPELL, MT 59901
Radiology (Radiation Oncology)
343 SUNNYVIEW LN
KALISPELL, MT 59901
Nurse Practitioner (Adult Health)
343 SUNNYVIEW LN
KALISPELL, MT 59901
Radiology (Radiation Oncology)
343 SUNNYVIEW LN
KALISPELL, MT 59901
Radiology (Radiation Oncology)
343 SUNNYVIEW LN
KALISPELL, MT 59901
Radiology (Radiation Oncology)
343 SUNNYVIEW LN
KALISPELL, MT 59901
Nurse Practitioner (Adult Health)
343 SUNNYVIEW LN
KALISPELL, MT 59901

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 Gordon Stillie's NPI number?

The NPI number for Gordon Stillie is 1316993082. It was assigned to this individual provider in the NPPES registry on May 25, 2006.

Where is Gordon Stillie located?

Gordon Stillie practices at 343 Sunnyview Ln, Kalispell, MT 59901. The listed phone number is (406) 752-1790.

What is Gordon Stillie's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is Gordon Stillie enrolled in Medicare?

Yes. Gordon Stillie is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Gordon Stillie's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gordon Stillie reassigns Medicare benefits to St. Vincent Hospital (Taos, NM). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Gordon Stillie's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Gordon Stillie was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.