Margaret Muthoni Ngumi, FNP-C PMHNP-BC
NPI 1558701458ActiveIndividual· Nurse Practitioner, Psych/Mental Health· Olympia, WA
Nurse Practitioner, Psych/Mental Health (FNP-C PMHNP-BC) with Floyd Physicians LLC, practicing in Olympia, Washington. Their prescriptions cost Medicare Part D more than their services did: $19,441 for 515 claims, against $5,361 paid for services in 2024. Abbott Laboratories was the largest of 3 companies reporting payments in 2025, $76.13 in all, mostly food and beverage.
Overview
| NPI | 1558701458 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP-C PMHNP-BC |
| Sole proprietor | No |
| NPI issued | Jun 25, 2013 |
| Last updated in NPPES | Aug 1, 2025 |
| Certified by provider | Aug 1, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Psych/Mental Health Primary | 363LP0808X | RN203586 | GA |
| Nurse Practitioner, Family | 363LF0000X | RN203586 | GA |
| Nurse Practitioner, Psych/Mental Health | 363LP0808X | AP61321033 | WA |
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 (GA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 44 |
|---|---|
| Services billed | 99 across 11 procedure codes |
| Paid by Medicare | $5,361 |
Part D prescriptions in 2024
| Prescriptions (claims) | 515 · 950 30-day fills |
|---|---|
| Patients | 105 |
| Total drug cost | $19,441 |
| Generic share | 96% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Floyd Physicians LLCRome, GA · 62 clinicians
Industry payments (Open Payments)
- 2025$76.13 · 4 payments from 3 companies
- 2024$62.71 · 4 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $41.34 | 2 |
| Dexcom, Inc. | $18.04 | 1 |
| Amgen Inc. | $16.75 | 1 |
What the 2025 payments were for
- Food and Beverage$76.13 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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