Christopher G. Massey, PA-C
NPI 1417903907ActiveIndividual· Physician Assistant· Raynham, MA
Physician Assistant (PA-C) with Allergy and Immunology Associates of New England LLC, practicing in Raynham, Massachusetts. Their prescriptions cost Medicare Part D more than their services did: $182,097 for 395 claims, against $30,965 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 21 companies reporting payments in 2025, $3,589 in all, mostly food and beverage. Lists Baystate Medical Center as a hospital affiliation.
Overview
| NPI | 1417903907 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | May 26, 2006 |
| Last updated in NPPES | Jul 31, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 237 | MA |
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 (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 220 |
|---|---|
| Services billed | 2,839 across 17 procedure codes |
| Paid by Medicare | $30,965 |
Part D prescriptions in 2024
| Prescriptions (claims) | 395 · 546 30-day fills |
|---|---|
| Patients | 135 |
| Total drug cost | $182,097 |
| Generic share | 57% of claims |
Education and affiliations
| Graduation year | 1989 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Allergy and Immunology Associates of New England LLCFlorence, MA · 10 clinicians
Hospital affiliation
- Baystate Medical CenterSpringfield, MA
Industry payments (Open Payments)
- 2025$3,589 · 153 payments from 21 companies
- 2024$19,061 · 151 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $767.33 | 29 |
| Genzyme Corporation | $456.17 | 14 |
| Csl Behring | $378.74 | 16 |
| Regeneron Healthcare Solutions, Inc. | $300.27 | 13 |
| Novartis Pharmaceuticals Corporation | $232.89 | 17 |
What the 2025 payments were for
- Food and Beverage$3,546 · 151 payments
- Education$34.00 · 1 payment
- Consulting Fee$8.95 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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