Margaret Geertsen, ACNP
NPI 1154932051ActiveIndividual· Nurse Practitioner, Acute Care· Gilbert, AZ
Nurse Practitioner, Acute Care (ACNP) with Banner Cancer Center Specialists LLC, practicing in Gilbert, Arizona. Mostly services rather than prescriptions: Medicare paid $7,935 for 83 patients in 2024, with only 29 Part D claims. Lists Banner Desert Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1154932051 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | ACNP |
| Sole proprietor | No |
| NPI issued | Aug 13, 2020 |
| Last updated in NPPES | Aug 14, 2025 |
| Certified by provider | Feb 6, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Acute Care Primary | 363LA2100X | 246270 | AZ |
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 (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 83 |
|---|---|
| Services billed | 139 across 5 procedure codes |
| Paid by Medicare | $7,935 |
Part D prescriptions in 2024
| Prescriptions (claims) | 29 · 33 30-day fills |
|---|---|
| Patients | 17 |
| Total drug cost | $763.23 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2010 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Banner Cancer Center Specialists LLCGilbert, AZ · 344 clinicians
Hospital affiliations
- Banner Desert Medical CenterMesa, AZ
- Banner Gateway Medical CenterGilbert, AZ
- Banner Thunderbird Medical CenterGlendale, AZ
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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