Catherine Wilson Helfrich, PA-C
NPI 1821556150ActiveIndividual· Physician Assistant· Matthews, NC
Physician Assistant (PA-C) with Nh-Cl Clinics LLC, practicing in Matthews, North Carolina. Their prescriptions cost Medicare Part D more than their services did: $68,055 for 134 claims, against $4,857 paid for services in 2024. Novo Nordisk Inc was the largest of 2 companies reporting payments in 2025, $610.83 in all, mostly food and beverage.
Overview
| NPI | 1821556150 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Mar 5, 2019 |
| Last updated in NPPES | Feb 19, 2024 |
| Certified by provider | Feb 19, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 0010-08789 | NC |
| 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 (NC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 20 |
|---|---|
| Services billed | 57 across 7 procedure codes |
| Paid by Medicare | $4,857 |
Part D prescriptions in 2024
| Prescriptions (claims) | 134 · 167 30-day fills |
|---|---|
| Patients | 33 |
| Total drug cost | $68,055 |
| Generic share | 56% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Nh-Cl Clinics LLCWinston Salem, NC · 81 clinicians
Industry payments (Open Payments)
- 2025$610.83 · 33 payments from 2 companies
- 2024$394.95 · 11 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $396.71 | 22 |
| Lilly USA, LLC | $214.12 | 11 |
What the 2025 payments were for
- Food and Beverage$610.83 · 33 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 83 physician assistants in Matthews · All physician assistants in North Carolina