William Paul Diehl, D.O.
Internal Medicine Physician · Bonners Ferry, ID
William Paul Diehl, D.O. is an internal medicine physician with a practice address in Bonners Ferry, Idaho, and NPI 1275038093, issued on Mar 25, 2018. Check the license (Idaho O-1461, as entered in NPPES) on the Idaho Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- William Paul Diehl
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- O-1461 ID
Self-reported in NPPES; status is on the state search - Practice location
- 6640 Kaniksu St, Bonners Ferry, ID 83805
- Phone
- (208) 267-3141
- Enumerated
- Mar 25, 2018
- Record last updated
- Jan 6, 2026
- Medicare enrollment
- Enrolled (PECOS I20210524002866); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 453 in Idaho → Look up another NPI →
Also registered at 6640 Kaniksu St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jackson Bell, DOEmergency Medicine Physician1396208070
- Gregory Botkin, MDFamily Medicine Physician1346341351
- Riley Diehl, DOInternal Medicine Physician1063974871
- Edna Eby, REGISTERED DIETICIANRegistered Dietitian1861609588
- Kenton Goh, MDEmergency Medicine Physician1972547172
- Melanie Helms, RNMedical-Surgical Registered Nurse1275404758
Verify William Paul Diehl in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIdaho Board of Medicine
Search for license O-1461Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% fewer Medicare Part D claims than the average internal medicine physician in 2024
982 Medicare Part D claims for 167 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 40 claims were for opioids.
Most prescribed
- Levothyroxine Sodium57 claims
- Losartan Potassium55 claims
- Rosuvastatin Calcium38 claims
- Atorvastatin Calcium36 claims
- Gabapentin33 claims
- Furosemide28 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.
One hospital affiliation
- Boundary Community HospitalBonners Ferry, ID · Critical Access Hospitals
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).
William Paul Diehl among 453 internal medicine physician records in Idaho
William Paul Diehl, D.O. is one of 453 internal medicine physician records with a practice address in Idaho. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 71% of them.
- NPI issued2018 · 71% of these records are older, 25% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2018 · median 2011 among the 254 with a school on file
- Record last updated2026 · 44% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Idaho practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 internal medicine physician records list a practice address in Bonners Ferry
They are 4 of the 122 NPPES records with a practice address in Bonners Ferry, and 453 internal medicine physician records in Idaho.
All 453 in Idaho → Every provider in Bonners Ferry → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Riley Diehl, DOBonners Ferry, ID 838051063974871
- Jennifer Garwick, M.D.Bonners Ferry, ID 838051245221126
- Marilyn Strand, M.D.Bonners Ferry, ID 838051942216981
- George Bell, MDCoeur D Alene, ID 838141275608051
- Karen Cabell, DOCoeur D Alene, ID 838141528177284
- Catherine Chester, M.D.Coeur D Alene, ID 838141730298803
- Barbara Daugharty, M.D.Coeur D Alene, ID 838141841397304
- Dawn Gertson, M.D.Coeur D Alene, ID 838141093891954
Common questions
What is William Paul Diehl, D.O.'s NPI number?
William Paul Diehl, D.O.'s National Provider Identifier (NPI) is 1275038093, issued on Mar 25, 2018. An NPI identifies a provider in billing; it is not a license.
Where is William Paul Diehl, D.O. located?
The NPPES record lists a practice address at 6640 Kaniksu St, Bonners Ferry, ID, 83805. Phone: (208) 267-3141. Providers update this record themselves, so call before visiting.
How can I verify William Paul Diehl, D.O.'s license?
NPPES lists Idaho license number O-1461, 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 William Paul Diehl, D.O. prescribe under Medicare Part D?
In 2024, William Paul Diehl, D.O. had 982 Medicare Part D claims for 167 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.