Johnathan Michael Chambers, CNP
NPI 1912583147ActiveIndividual· Nurse Practitioner· Worcester, MA
Nurse Practitioner (CNP) with Umass Memorial Medical Group Inc, practicing in Worcester, Massachusetts. 133 Medicare patients in 2024, $11,488 paid; nearly all of their 78 Part D prescriptions were generic (92%). Lists Umass Memorial Healthalliance Hospitals and 1 other hospital as hospital affiliations.
Overview
| NPI | 1912583147 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CNP |
| Sole proprietor | No |
| NPI issued | Mar 18, 2021 |
| Last updated in NPPES | Sep 27, 2022 |
| Certified by provider | Sep 27, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | RN2293398 | MA |
| Registered Nurse, Emergency | 163WE0003X | RN2293398 | 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 - Nurse Practitioner (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 133 |
|---|---|
| Services billed | 156 across 28 procedure codes |
| Paid by Medicare | $11,488 |
Part D prescriptions in 2024
| Prescriptions (claims) | 78 · 80 30-day fills |
|---|---|
| Patients | 62 |
| Total drug cost | $1,089 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Umass Memorial Medical Group IncWorcester, MA · 2,516 clinicians
Hospital affiliations
- Umass Memorial Healthalliance HospitalsLeominster, MA
- Umass Memorial Medical Center/University CampusWorcester, MA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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