William Diehl, D.O.
NPI 1275038093 · Internal Medicine Physician · Bonners Ferry, ID
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Diehl, D.O. is a Internal Medicine Physician provider in Bonners Ferry, ID (NPI 1275038093).
Provider details
- NPI number
- 1275038093
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- O-1461 (ID)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
361 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 55 | $45 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 42 | $72 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 38 | $67 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 30 | $102 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 28 | $74 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, at Least 10 Minutes99307 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 57 | 14 |
| Losartan Potassium | 55 | 20 |
| Rosuvastatin Calcium | 38 | 13 |
| Atorvastatin Calcium | 36 | 13 |
| Gabapentin | 33 | 11 |
| Omeprazole | 28 | 11 |
| Furosemide | 28 |
Practice location
Mailing address
Additional practice locations (1)
- 2003 Kootenai Health WayCoeur D Alene, ID 83814-6051Phone: (208) 625-6900Fax: (208) 625-6910
Registry dates
- Enumerated
- 2018-03-25
- Last updated
- 2026-01-06
- Certified
- 2026-01-06
Frequently asked questions
- What is William Diehl's NPI number?
- William Diehl's National Provider Identifier (NPI) is 1275038093, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Diehl's specialty?
- William Diehl is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Diehl located?
- William Diehl's practice location on file with NPPES is 6640 Kaniksu St, Bonners Ferry, ID 83805-7532.
- What is William Diehl's phone number?
- The practice phone number listed in the NPPES registry for William Diehl is (208) 267-3141.
- Does William Diehl accept Medicare?
- William Diehl is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Diehl's NPI active?
- Yes — William Diehl's NPI (1275038093) is active in the NPPES registry as of the last update on 2026-01-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.