Colleen McMahon
NPI 1922559012ActiveIndividual· Nurse Practitioner, Psych/Mental Health· Diamondhead, MS
Nurse Practitioner, Psych/Mental Health with Safe Harbor Clinic LLC and 1 other group, practicing in Diamondhead, Mississippi. Their prescriptions cost Medicare Part D more than their services did: $739,287 for 8,930 claims, against $11,586 paid for services in 2024. Abbvie Inc. was the largest of 4 companies reporting payments in 2025, $243.10 in all, mostly food and beverage. Lists Highland Community Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1922559012 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | Oct 24, 2016 |
| Last updated in NPPES | Oct 24, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Psych/Mental Health Primary | 363LP0808X | 901814 | MS |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (MS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 73 |
|---|---|
| Services billed | 227 across 5 procedure codes |
| Paid by Medicare | $11,586 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,930 · 9,864 30-day fills |
|---|---|
| Patients | 260 |
| Total drug cost | $739,287 |
| Generic share | 96% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- Safe Harbor Clinic LLCLong Beach, MS · 6 clinicians
- Primesource Nursing Services, IncBiloxi, MS · 5 clinicians
Hospital affiliations
- Highland Community HospitalPicayune, MS
- Memorial Hospital at GulfportGulfport, MS
Industry payments (Open Payments)
- 2025$243.10 · 22 payments from 4 companies
- 2024$398.93 · 25 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $188.64 | 19 |
| Lundbeck LLC | $20.35 | 1 |
| Corium, LLC | $19.88 | 1 |
| Axsome Therapeutics, Inc. | $14.23 | 1 |
What the 2025 payments were for
- Food and Beverage$243.10 · 22 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records