Katherin Adriana Sonneborn, PA
NPI 1881901718ActiveIndividual· Physician Assistant· Exeter, NH
Physician Assistant (PA) with Massachusetts General Physicians Organization Inc, practicing in Exeter, New Hampshire. Mostly services rather than prescriptions: Medicare paid $13,726 for 124 patients in 2024, with only 40 Part D claims. Lists Massachusetts General Hospital as a hospital affiliation.
Overview
| NPI | 1881901718 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | Sep 14, 2010 |
| Last updated in NPPES | Dec 12, 2025 |
| Certified by provider | Dec 12, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA101126 | MA |
| Physician Assistant, Surgical | 363AS0400X | 1029 | NH |
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 (MA); Practitioner - Physician Assistant (NH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 124 |
|---|---|
| Services billed | 207 across 39 procedure codes |
| Paid by Medicare | $13,726 |
Part D prescriptions in 2024
| Prescriptions (claims) | 40 · 40 30-day fills |
|---|---|
| Patients | 24 |
| Total drug cost | $431.35 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 2010 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Massachusetts General Physicians Organization IncBoston, MA · 3,558 clinicians
Hospital affiliation
- Massachusetts General HospitalBoston, MA
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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