ROBERT DAVID PFEFFER M.D.
NPI 1679563639
Radiology - Radiation Oncology in Sidney, MT

Active since October 21, 2005PECOS EnrolledAccepts Medicare Assignment
216 14TH AVE SW, SIDNEY, MT 59270(406) 488-2100 Get Directions Write a Review

NPPES record last updated: April 9, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Apr 9, 2026, Dec 9, 2019 (2 updates tracked since 2019).

About Robert David Pfeffer M.d. NPPES

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

ROBERT DAVID PFEFFER M.D. (NPI 1679563639) is an individual radiation oncology provider in Sidney, Montana, licensed in Washington (MD00026712) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with Memorial Hospital, and is a graduate of University Of Washington School Of Medicine (1986).

NPPES Registry Identity

NPI1679563639
Entity TypeIndividualMale
Primary Taxonomy2085R0001X
Provider Legal NameROBERT DAVID PFEFFERCredential: M.D.
Location Address216 14TH AVE SWSidney, MT 59270-3519
Mailing AddressSidney Health Center, 14th Ave SwSidney, MT 59270
Sole ProprietorNo
Medical School CMSUniversity Of Washington School Of MedicineGraduated 1986
Enumeration DateOctober 21, 2005
Last NPPES UpdateApril 9, 20262 updates tracked since enumeration
NPPES CertifiedApril 9, 2026
NPI 1679563639 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 WA · MD00026712
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.

216 14TH AVE SW, Sidney, MT 59270

Other Identifiers 8

Other3255PFAsuris Nw Health
OtherKZ561Blue Cross Of Idaho
Other000010150380Blue Shield Of Idaho
Other7670662Aetna
Medicaid807071800ID
Other0142238WA · Labor & Industries
Medicaid8417248WA
OtherP00202524Railroad Medicare

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Robert David Pfeffer M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2264424761
PECOS Enrollment IDI20050203000722
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.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Design and construction of complex radiation treatment device 77334
The design and construction of a complex radiation treatment device is a process where a specialized instrument is created. This device targets harmful cells with high-energy rays to destroy or damage them, while minimizing impact on healthy cells. This aids in treating conditions like cancer.
43 services17 patients
Complex radiation therapy planning 77263
Complex radiation therapy planning is a process to determine the most effective way to deliver radiation to a specific area in your body. It involves detailed imaging to map your body's structure, allowing for precise targeting of cancer cells while sparing healthy tissue.
17 services17 patients
Radiation treatment management, 5 treatment sessions 77427
Radiation treatment management involves a series of 5 sessions where targeted radiation is used to destroy or shrink cancer cells in your body. Each session is carefully planned to maximize effectiveness while minimizing harm to healthy tissues. You may experience side effects which will be closely monitored and managed for your comfort.
14 services14 patients
Ct guidance for insertion of radiation therapy fields 77014
CT guidance for insertion of radiation therapy fields involves using a CT scan to accurately map the area of your body where radiation will be applied. This ensures the radiation targets only the necessary area, minimizing impact to healthy tissues.
13 services11 patients
Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved 77290
This procedure involves collecting necessary data to plan the best radiation treatment. It may cover 3 or more areas or any area requiring special attention. Data collection includes imaging scans and tests to understand the disease's extent and to tailor a precise, effective treatment plan.
12 services12 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Memorial Hospital

Acute Care Hospitals · Logansport, IN
4/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number150072
Location1101 Michigan AveLogansport, IN 46947 · Cass County
Emergency services Birthing friendly

St Peters Health

Acute Care Hospitals · Helena, MT
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number270003
Location2475 BroadwayHelena, MT 59601 · Lewis And Clark County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 59270 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 20

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

Pharmacist
216 14TH AVE SW
SIDNEY, MT 59270
Pharmacist
216 14TH AVE SW
SIDNEY, MT 59270
Pharmacist
216 14TH AVE SW
SIDNEY, MT 59270
Pharmacist
216 14TH AVE SW
SIDNEY, MT 59270
Radiology (Diagnostic Radiology)
216 14TH AVE SW
SIDNEY, MT 59270
Obstetrics & Gynecology
216 14TH AVE SW
SIDNEY, MT 59270
Physical Therapist
216 14TH AVE SW
SIDNEY, MT 59270
Pharmacist
216 14TH AVE SW
SIDNEY, MT 59270

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 Robert Pfeffer's NPI number?

The NPI number for Robert Pfeffer is 1679563639. It was assigned to this individual provider in the NPPES registry on October 21, 2005.

Where is Robert Pfeffer located?

Robert Pfeffer practices at 216 14th Ave SW, Sidney, MT 59270. The listed phone number is (406) 488-2100.

What is Robert Pfeffer's specialty?

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

Is Robert Pfeffer enrolled in Medicare?

Yes. Robert Pfeffer is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Robert Pfeffer accept?

Health plans from PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Robert Pfeffer as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Robert Pfeffer affiliated with any hospitals?

According to CMS data, Robert Pfeffer is affiliated with Memorial Hospital and St Peters Health.

When was this NPI record last updated?

The NPPES record for Robert Pfeffer was last updated on April 9, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.