John Newton Mackey, PHYSICIANS ASSITANT
NPI 1275609984ActiveIndividual· Physician Assistant· Plainfield, CT
Physician Assistant (PHYSICIANS ASSITANT) with Helar Campos MD and Associates Family Medical Center, LLC and 1 other group, practicing in Plainfield, Connecticut. Their prescriptions cost Medicare Part D more than their services did: $765,584 for 4,255 claims, against $19,753 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 25 companies reporting payments in 2025, $3,559 in all, mostly food and beverage. Lists Day Kimball Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1275609984 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PHYSICIANS ASSITANT |
| Sole proprietor | No |
| NPI issued | Nov 27, 2006 |
| Last updated in NPPES | May 27, 2022 |
| Certified by provider | May 27, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 001429 | CT |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 159 |
|---|---|
| Services billed | 285 across 11 procedure codes |
| Paid by Medicare | $19,753 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,255 · 9,575 30-day fills |
|---|---|
| Patients | 411 |
| Total drug cost | $765,584 |
| Generic share | 82% of claims |
Education and affiliations
| Graduation year | 2003 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical groups
- Helar Campos MD and Associates Family Medical Center, LLCNorwich, CT · 3 clinicians
- Healthcall Medical Center,llcPlainfield, CT · 3 clinicians
Hospital affiliations
- Day Kimball HospitalPutnam, CT
- Lawrence & Memorial HospitalNew London, CT
- William W Backus HospitalNorwich, CT
Other facilities
- Hartford Healthcare at HomeHome health agency · East Hartford, CT
Industry payments (Open Payments)
- 2025$3,559 · 207 payments from 25 companies
- 2024$3,753 · 235 payments from 25 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $527.00 | 23 |
| Glaxosmithkline, LLC. | $485.69 | 27 |
| Abbvie Inc. | $438.41 | 34 |
| Bayer Healthcare Pharmaceuticals Inc. | $251.09 | 17 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $250.78 | 13 |
What the 2025 payments were for
- Food and Beverage$3,536 · 205 payments
- Education$23.74 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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