Colleen Ann Halvorsen-Sinclair, PA
NPI 1437288685ActiveIndividual· Physician Assistant· Pittsfield, MA
Physician Assistant (PA) in Pittsfield, Massachusetts, licensed in MA, with an NPI issued in March 2007. Their prescriptions cost Medicare Part D more than their services did: $223,353 for 3,001 claims, against $25,713 paid for services in 2024. Lilly USA, LLC reported $124.99 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1437288685 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | Mar 5, 2007 |
| Last updated in NPPES | Jan 30, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 1289 | MA |
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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 153 |
|---|---|
| Services billed | 548 across 23 procedure codes |
| Paid by Medicare | $25,713 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,001 · 5,100 30-day fills |
|---|---|
| Patients | 326 |
| Total drug cost | $223,353 |
| Generic share | 86% of claims |
Industry payments (Open Payments)
- 2025$124.99 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $124.99 | 1 |
What the 2025 payments were for
- Food and Beverage$124.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 47 physician assistants in Pittsfield · All physician assistants in Massachusetts