NPPES file of Aug 9, 2026

Robert Kenneth Fairbanks, M.D.

Radiation Oncology Physician · Lewiston, ID

Robert Kenneth Fairbanks, M.D. is a radiation oncology physician with a practice address in Lewiston, Idaho, and NPI 1821084781, issued on Sep 26, 2005. Check the license on the Idaho Board of Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1821084781
Name
Robert Kenneth Fairbanks
Credential
M.D.
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License number
MD00037655 WA
Self-reported in NPPES; status is on the state search
Practice location
504 6TH St, Lewiston, ID 83501
Phone
(208) 799-5600
Enumerated
Sep 26, 2005
Record last updated
Aug 5, 2024
Fax
(208) 799-5755
Medicaid IDs
8243958 WA
805949200 ID
Medicare enrollment
Enrolled (PECOS I20150209001052); accepts Medicare assignment
Medical or professional school
Tulane University School Of Medicine, 1992
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 504 6TH St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Kent Anderson, MDRadiation Oncology Physician1821106071
  2. Norman Willis, M.D.Radiation Oncology Physician1508854290
  3. Khadijeh Zarkoob, M.D.Therapeutic Radiology Physician1295705630

Verify Robert Kenneth Fairbanks in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIdaho Board of MedicineCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Idaho license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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2.1 times the Medicare Part D claims of the average radiation oncology physician in 2024

279 Medicare Part D claims for 100 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 70 claims were for opioids.

  1. Robert Fairbanks279
  2. Specialty average134

Most prescribed

  1. Hydrocodone-Acetaminophen39 claims
  2. Ciprofloxacin Hcl25 claims
  3. Triamcinolone Acetonide23 claims
  4. Ssd22 claims
  5. Tamsulosin Hcl15 claims
  6. Memantine Hcl14 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $48.26

2 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Robert Fairbanks$48.26
  2. Specialty average$1,897.85

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Valley Radiation PLLCLewiston, ID

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Robert Kenneth Fairbanks among 25 radiation oncology physician records in Idaho

Robert Kenneth Fairbanks, M.D. is one of 25 radiation oncology physician records with a practice address in Idaho. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 84% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 84% of these records are
  • Graduated1992 · median 2001 among the 21 with a school on file
  • Record last updated2024 · 68% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Idaho practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Radiation Oncology Physician providers in Idaho

There are 25 radiation oncology physician records in Idaho.

The 8 radiation oncology physician records with the nearest ZIP codes

  1. Kent Anderson, MDLewiston, ID 835011821106071
  2. Norman Willis, M.D.Lewiston, ID 835011508854290
  3. Calvin McAllister, M.D.Idaho Falls, ID 834041952404097
  4. Daniel Miller, M.D.Idaho Falls, ID 834041447694922
  5. Cameron ThorpeMeridian, ID 836421972039782
  6. Timothy Sawyer, MDTwin Falls, ID 833011548206584
  7. John Gamboa, MDBoise, ID 837041477597045
  8. Ronald Dorn, MDBoise, ID 837061780790279

Common questions

What is Robert Kenneth Fairbanks, M.D.'s NPI number?

Robert Kenneth Fairbanks, M.D.'s National Provider Identifier (NPI) is 1821084781, issued on Sep 26, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Robert Kenneth Fairbanks, M.D. located?

The NPPES record lists a practice address at 504 6TH St, Lewiston, ID, 83501. Phone: (208) 799-5600. Providers update this record themselves, so call before visiting.

How can I verify Robert Kenneth Fairbanks, M.D.'s license?

Search the Idaho Board of Medicine at https://dopl.idaho.gov/bom/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Robert Kenneth Fairbanks, M.D. prescribe under Medicare Part D?

In 2024, Robert Kenneth Fairbanks, M.D. had 279 Medicare Part D claims for 100 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.