Naomi Routen
NPI 1902293822ActiveIndividual· Physician Assistant· Billings, MT
Physician Assistant with Frontier Psychiatry PLLC and 1 other group, practicing in Billings, Montana. Their prescriptions cost Medicare Part D more than their services did: $329,726 for 1,753 claims, against $15,185 paid for services in 2024.
Overview
| NPI | 1902293822 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Apr 17, 2015 |
| Last updated in NPPES | Mar 12, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 42910 | MT |
| Physician Assistant | 363A00000X | — | — |
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 (MT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 42 |
|---|---|
| Services billed | 236 across 9 procedure codes |
| Paid by Medicare | $15,185 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,753 · 2,618 30-day fills |
|---|---|
| Patients | 84 |
| Total drug cost | $329,726 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical groups
- Frontier Psychiatry PLLCPhoenix, AZ · 34 clinicians
- Big Sky Psychiatric Services PCBillings, MT · 2 clinicians
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 175 physician assistants in Billings · All physician assistants in Montana