Catherine Harmston, FNP
NPI 1639283302 · Family Nurse Practitioner · Malad City, ID
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Provider details
- NPI number
- 1639283302
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 59987 (ID)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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 · 35 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 75 | 11 |
| Amlodipine Besylate | 46 | 15 |
| Levothyroxine Sodium | 43 | — |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 32 | — |
| Oxycodone Hcl | 31 | — |
| Losartan Potassium | 28 | — |
| Omeprazole |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-18
- Last updated
- 2021-11-17
- Certified
- 2021-11-17
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.