John Peter Halfen IV, PA
NPI 1427533603ActiveIndividual· Physician Assistant· Arvada, CO
Physician Assistant (PA) with Iora Health Colorado, P.C., practicing in Arvada, Colorado. Their prescriptions cost Medicare Part D more than their services did: $255,310 for 2,567 claims, against $22,401 paid for services in 2024. Novo Nordisk Inc reported $21.99 in payments in 2025, mostly food and beverage. Lists Centura Health-St Anthony North Health Campus as a hospital affiliation.
Overview
| NPI | 1427533603 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | Oct 3, 2018 |
| Last updated in NPPES | Apr 17, 2025 |
| Certified by provider | Apr 17, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA.0005617 | CO |
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 (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 161 |
|---|---|
| Services billed | 427 across 39 procedure codes |
| Paid by Medicare | $22,401 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,567 · 5,828 30-day fills |
|---|---|
| Patients | 527 |
| Total drug cost | $255,310 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Iora Health Colorado, P.C.Aurora, CO · 42 clinicians
Hospital affiliation
- Centura Health-St Anthony North Health CampusWestminster, CO
Industry payments (Open Payments)
- 2025$21.99 · 1 payment from 1 company
- 2024$686.92 · 36 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $21.99 | 1 |
What the 2025 payments were for
- Food and Beverage$21.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 59 physician assistants in Arvada · All physician assistants in Colorado