Derrel Walker, M.D.
NPI 1013208495 · Internal Medicine Physician · Boise, ID
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Provider details
- NPI number
- 1013208495
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- M-12121 (ID)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Levothyroxine Sodium | 38 |
| Ciprofloxacin Hcl | 20 |
| Atorvastatin Calcium | 19 |
| Gabapentin | 17 |
| Spironolactone | 15 |
| Estradiol | 13 |
| Tamsulosin Hcl | 12 |
| Methenamine Hippurate | 12 |
| Apixabanbrand: Eliquis | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-04-20
- Last updated
- 2014-05-30
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.