Christopher Hillery
NPI 1659842441ActiveIndividual· Physician Assistant· Mystic, CT
Physician Assistant with Hartford Healthcare Medical Group Specialists PLLC, practicing in Mystic, Connecticut. Their prescriptions cost Medicare Part D more than their services did: $715,992 for 2,115 claims, against $58,156 paid for services in 2024. Mdd US Operations, LLC was the largest of 5 companies reporting payments in 2025, $192.23 in all, mostly food and beverage. Lists Westerly Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1659842441 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Dec 6, 2018 |
| Last updated in NPPES | Jul 12, 2021 |
| Certified by provider | Jul 12, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 5216 | CT |
| Physician Assistant | 363A00000X | MA060430 | PA |
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 (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 239 |
|---|---|
| Services billed | 642 across 7 procedure codes |
| Paid by Medicare | $58,156 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,115 · 4,065 30-day fills |
|---|---|
| Patients | 338 |
| Total drug cost | $715,992 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Hartford Healthcare Medical Group Specialists PLLCBridgeport, CT · 1,588 clinicians
Hospital affiliations
- Westerly HospitalWesterly, RI
- William W Backus HospitalNorwich, CT
Other facilities
- Hartford Healthcare at HomeHome health agency · East Hartford, CT
Industry payments (Open Payments)
- 2025$192.23 · 11 payments from 5 companies
- 2024$247.55 · 21 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Mdd US Operations, LLC | $80.50 | 6 |
| Supernus Pharmaceuticals, Inc. | $37.63 | 2 |
| Abbvie Inc. | $31.19 | 1 |
| Biogen, Inc. | $25.88 | 1 |
| Acadia Pharmaceuticals Inc | $17.03 | 1 |
What the 2025 payments were for
- Food and Beverage$192.23 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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