Stephanie Duff, NP
NPI 1851076251 · Family Nurse Practitioner · Twin Falls, ID
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephanie Duff, NP is a Family Nurse Practitioner provider in Twin Falls, ID (NPI 1851076251).
Provider details
- NPI number
- 1851076251
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 42466 (ID)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
3 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
187 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 149 | $52 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 38 | $74 |
Typical Medicare-allowed amounts for these services range $52–$74 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 33 | 31 |
| Tizanidine Hcl | 31 | 18 |
| Pantoprazole Sodium | 30 | — |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 27 | 13 |
| Amlodipine Besylate | 24 | 11 |
| Telmisartan | 22 | — |
| Levothyroxine Sodium |
Practice location
Mailing address
Additional practice locations (1)
- 324 Eastridge DrKimberly, ID 83341-5109Phone: (808) 345-7351
Registry dates
- Enumerated
- 2023-06-21
- Last updated
- 2023-10-16
- Certified
- 2023-10-16
Frequently asked questions
- What is Stephanie Duff's NPI number?
- Stephanie Duff's National Provider Identifier (NPI) is 1851076251, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephanie Duff's specialty?
- Stephanie Duff is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Stephanie Duff located?
- Stephanie Duff's practice location on file with NPPES is 2550 Addison Ave E, Twin Falls, ID 83301-6767.
- What is Stephanie Duff's phone number?
- The practice phone number listed in the NPPES registry for Stephanie Duff is (208) 814-8000.
- Does Stephanie Duff accept Medicare?
- Stephanie Duff is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephanie Duff's NPI active?
- Yes — Stephanie Duff's NPI (1851076251) is active in the NPPES registry as of the last update on 2023-10-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.