Samantha Jo Chambers, FNP
NPI 1992560643ActiveIndividual· Nurse Practitioner· Monterey, CA
Nurse Practitioner (FNP) with Doctors on Duty Medical Group, Inc, practicing in Monterey, California. Their prescriptions cost Medicare Part D more than their services did: $3,145 for 321 claims, against $1,425 paid for services in 2024. Abiomed was the largest of 2 companies reporting payments in 2025, $95.01 in all, mostly food and beverage. Lists Community Hospital of the Monterey Peninsula as a hospital affiliation.
Overview
| NPI | 1992560643 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP |
| Sole proprietor | No |
| NPI issued | Feb 20, 2024 |
| Last updated in NPPES | Aug 29, 2025 |
| Certified by provider | Aug 29, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 95035505 | CA |
| Nurse Practitioner, Family | 363LF0000X | A178267 | IA |
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 (CA); Practitioner - Nurse Practitioner (IA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 50 |
|---|---|
| Services billed | 71 across 8 procedure codes |
| Paid by Medicare | $1,425 |
Part D prescriptions in 2024
| Prescriptions (claims) | 321 · 327 30-day fills |
|---|---|
| Patients | 197 |
| Total drug cost | $3,145 |
| Generic share | 97% of claims |
Education and affiliations
| Graduation year | 2023 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Doctors on Duty Medical Group, IncMarina, CA · 64 clinicians
Hospital affiliation
- Community Hospital of the Monterey PeninsulaMonterey, CA
Industry payments (Open Payments)
- 2025$95.01 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abiomed | $67.26 | 2 |
| Edwards Lifesciences Corporation | $27.75 | 1 |
What the 2025 payments were for
- Food and Beverage$95.01 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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