David Landen Day
NPI 1073234068ActiveIndividual· Physician Assistant, Medical· Idaho Falls, ID
Physician Assistant, Medical with Mountain View Hospital LLC, practicing in Idaho Falls, Idaho. Their prescriptions cost Medicare Part D more than their services did: $247,439 for 1,369 claims, against $42,764 paid for services in 2024. Merck Sharp & Dohme LLC was the largest of 7 companies reporting payments in 2025, $212.16 in all, mostly food and beverage. Lists Eastern Idaho Regional Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1073234068 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | Sep 7, 2022 |
| Last updated in NPPES | Nov 2, 2023 |
| Certified by provider | Nov 2, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Medical Primary | 363AM0700X | — | — |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Physician Assistant (ID) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 484 |
|---|---|
| Services billed | 768 across 9 procedure codes |
| Paid by Medicare | $42,764 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,369 · 3,284 30-day fills |
|---|---|
| Patients | 316 |
| Total drug cost | $247,439 |
| Generic share | 78% of claims |
Education and affiliations
| Graduation year | 2023 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Mountain View Hospital LLCIdaho Falls, ID · 276 clinicians
Hospital affiliations
- Eastern Idaho Regional Medical CenterIdaho Falls, ID
- Idaho Falls Community Hospital, LLCIdaho Falls, ID
- Madison Memorial HospitalRexburg, ID
- Mountain View HospitalIdaho Falls, ID
- St Johns Medical CenterJackson, WY
Industry payments (Open Payments)
- 2025$212.16 · 11 payments from 7 companies
- 2024$197.19 · 10 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $49.20 | 3 |
| Pfizer Inc. | $42.69 | 2 |
| Amgen Inc. | $29.35 | 2 |
| Regeneron Healthcare Solutions, Inc. | $26.84 | 1 |
| Bridgebio Pharma, Inc. | $25.92 | 1 |
What the 2025 payments were for
- Food and Beverage$212.16 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Physician Assistant, Medical providers in Idaho Falls
- 1639370810
- 1871544825
- 1457451486
- 1699542688
- 1083793699
- 1689749616
- 1003461401
- 1922714104
- 1447325485
- 1851396519
- 1578540498
- 1386626463