NPPES file of Aug 9, 2026

Gwendoline Fonebi, M.D.

Medical Oncology Physician · Pocatello, ID

Gwendoline Fonebi, M.D. is a medical oncology physician with a practice address in Pocatello, Idaho, and NPI 1184911141, issued on Jun 28, 2011. Check the license (Idaho 2061778, as entered in NPPES) 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
1184911141
Name
Gwendoline Fonebi
Credential
M.D.
Primary taxonomy
Medical Oncology Physician 207RX0202X
License numbers
2061778 ID
2018-02128 NC
Self-reported in NPPES; status is on the state search
Practice location
777 Hospital Way, Pocatello, ID 83201
Phone
(208) 239-1720
Enumerated
Jun 28, 2011
Record last updated
Jul 31, 2025
Fax
(208) 239-1726
Medicare enrollment
Enrolled (PECOS I20241017002507); accepts Medicare assignment
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.
Download card Updates feed

Also registered at 777 Hospital Way

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

  1. Douglas Andersen, DOInternal Medicine Physician1730599598
  2. Krista Andersen-Harris, DOInternal Medicine Physician1548216252
  3. Brice Anderson, MSAT, LAT, ATC, CSCSAthletic Trainer1043716285
  4. Morgan Anderson, D.O.Emergency Medicine Physician1306281944
  5. Chelsey Aslett, NP-CFamily Nurse Practitioner1124851357
  6. Lorin Bachman, M.D.Diagnostic Radiology Physician1144296203

Verify Gwendoline Fonebi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIdaho Board of Medicine
    Search for license 2061778
    Check 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

51% more Medicare Part D claims than the average medical oncology physician in 2024

1,060 Medicare Part D claims for 233 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims. 62 claims were for opioids.

  1. Gwendoline Fonebi1,060
  2. Specialty average703

Most prescribed

  1. Letrozole62 claims
  2. Xarelto59 claims
  3. Pantoprazole Sodium50 claims
  4. Gabapentin39 claims
  5. Valacyclovir37 claims
  6. Oxycodone Hcl36 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: $281.43

11 payments; by number, the most common kind was food and beverage; the largest payer was Exelixis Inc. The 3,343 providers of this specialty with any payment received $11,773.47 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Gwendoline Fonebi$281
  2. Specialty average$11,773

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. Pocatello Health Services LLCPocatello, ID

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

Gwendoline Fonebi among 22 medical oncology physician records in Idaho

Gwendoline Fonebi, M.D. is one of 22 medical oncology physician records with a practice address in Idaho. 95% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 77% of them.

  • NPI issued2011 · 77% of these records are older, 18% newer
  • In a Medicare fileYes · 95% of these records are
  • In the CMS Doctors and Clinicians fileYes · 82% of these records are
  • Graduated2006 · median 2003 among the 18 with a school on file
  • Record last updated2025 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a Idaho practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Medical Oncology Physician providers in Idaho

There are 22 medical oncology physician records in Idaho.

The 8 medical oncology physician records with the nearest ZIP codes

  1. Phatama Padavanija, MDTwin Falls, ID 833011679527717
  2. Jessica Thibault, M.D.Twin Falls, ID 833011821355330
  3. Abeer Arain, M.D., M.P.HLewiston, ID 835011962851519
  4. Gerardo Midence, MDLewiston, ID 835011215981832
  5. Sushma Pant, MDLewiston, ID 835011083668248
  6. Katrina Rolen, MDLewiston, ID 835011821042029
  7. Michael Rooney, M.D.Lewiston, ID 835011093753360
  8. Daniel Williams, M.D.Lewiston, ID 835011508809252

Common questions

What is Gwendoline Fonebi, M.D.'s NPI number?

Gwendoline Fonebi, M.D.'s National Provider Identifier (NPI) is 1184911141, issued on Jun 28, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Gwendoline Fonebi, M.D. located?

The NPPES record lists a practice address at 777 Hospital Way, Pocatello, ID, 83201. Phone: (208) 239-1720. Providers update this record themselves, so call before visiting.

How can I verify Gwendoline Fonebi, M.D.'s license?

NPPES lists Idaho license number 2061778, as entered by the provider. 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 Gwendoline Fonebi, M.D. prescribe under Medicare Part D?

In 2024, Gwendoline Fonebi, M.D. had 1,060 Medicare Part D claims for 233 beneficiaries; the average among medical oncology physician prescribers was 703. 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.