Calvin Knowles
NPI 1497345706ActiveIndividual· Physician Assistant· Berlin, NH
Physician Assistant with Concord Hospital Inc, practicing in Berlin, New Hampshire. Their prescriptions cost Medicare Part D more than their services did: $72,298 for 722 claims, against $31,618 paid for services in 2024. Edwards Lifesciences Corporation was the largest of 3 companies reporting payments in 2025, $201.07 in all, mostly food and beverage. Lists Androscoggin Valley Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1497345706 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | Jan 20, 2021 |
| Last updated in NPPES | Jun 28, 2026 |
| Certified by provider | Jun 28, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 2041 | NH |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Physician Assistant (NH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 336 |
|---|---|
| Services billed | 551 across 18 procedure codes |
| Paid by Medicare | $31,618 |
Part D prescriptions in 2024
| Prescriptions (claims) | 722 · 1,689 30-day fills |
|---|---|
| Patients | 207 |
| Total drug cost | $72,298 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Concord Hospital IncConcord, NH · 567 clinicians
Hospital affiliations
- Androscoggin Valley HospitalBerlin, NH
- Upper Connecticut Valley HospitalColebrook, NH
- Weeks Medical CenterLancaster, NH
Industry payments (Open Payments)
- 2025$201.07 · 5 payments from 3 companies
- 2024$19.43 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Edwards Lifesciences Corporation | $127.42 | 1 |
| Novartis Pharmaceuticals Corporation | $55.73 | 3 |
| Bridgebio Pharma, Inc. | $17.92 | 1 |
What the 2025 payments were for
- Food and Beverage$201.07 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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