Carissa Karen O'Hara, NP-FAMILY
NPI 1457693657ActiveIndividual· Nurse Practitioner, Family· Stillwater, MN
Nurse Practitioner, Family (NP-FAMILY) with Group Health Inc and 1 other group, practicing in Stillwater, Minnesota. 179 Medicare patients in 2024, $9,361 paid; nearly all of their 333 Part D prescriptions were generic (93%). Lists Hudson Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1457693657 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP-FAMILY |
| Sole proprietor | No |
| NPI issued | Mar 26, 2013 |
| Last updated in NPPES | Aug 14, 2023 |
| Certified by provider | Aug 14, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 5369-33 | WI |
| Registered Nurse | 163W00000X | 177185-30 | WI |
| Registered Nurse | 163W00000X | R157161-9 | MN |
| Nurse Practitioner, Family | 363LF0000X | R157161-9 | MN |
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 - Nurse Practitioner (MN); Practitioner - Nurse Practitioner (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 179 |
|---|---|
| Services billed | 219 across 17 procedure codes |
| Paid by Medicare | $9,361 |
Part D prescriptions in 2024
| Prescriptions (claims) | 333 · 407 30-day fills |
|---|---|
| Patients | 258 |
| Total drug cost | $4,650 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- Group Health IncBloomington, MN · 1,638 clinicians
- Westfields Hospital IncNew Richmond, WI · 108 clinicians
Hospital affiliations
- Hudson HospitalHudson, WI
- Lakeview Memorial HospitalStillwater, MN
- Westfields Hospital and ClinicNew Richmond, WI
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 26 family nurse practitioners in Stillwater · All family nurse practitioners in Minnesota