Cali Peffer, PA-C
NPI 1023605953ActiveIndividual· Physician Assistant· Charlton, MA
Physician Assistant (PA-C) with Umass Memorial Medical Group Inc, practicing in Charlton, Massachusetts. Their prescriptions cost Medicare Part D more than their services did: $272,360 for 3,280 claims, against $43,033 paid for services in 2024. Medtronic, Inc. was the largest of 2 companies reporting payments in 2025, $89.12 in all, mostly food and beverage. Lists St Vincent Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1023605953 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Dec 27, 2020 |
| Last updated in NPPES | Dec 28, 2023 |
| Certified by provider | Dec 28, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA7928 | 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 | 281 |
|---|---|
| Services billed | 621 across 28 procedure codes |
| Paid by Medicare | $43,033 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,280 · 7,247 30-day fills |
|---|---|
| Patients | 686 |
| Total drug cost | $272,360 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Umass Memorial Medical Group IncWorcester, MA · 2,516 clinicians
Hospital affiliations
- St Vincent HospitalWorcester, MA
- Umass Memorial Health - Harrington HospitalSouthbridge, MA
- Umass Memorial Medical Center/University CampusWorcester, MA
Industry payments (Open Payments)
- 2025$89.12 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $61.13 | 1 |
| Astrazeneca Pharmaceuticals LP | $27.99 | 1 |
What the 2025 payments were for
- Food and Beverage$89.12 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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