Maddisson Ann Haslett, NP
NPI 1700524618ActiveIndividual· Nurse Practitioner, Gerontology· Saint Louis, MO
Nurse Practitioner, Gerontology (NP) with Signature Medical Group Inc, practicing in Saint Louis, Missouri. Mostly services rather than prescriptions: Medicare paid $26,442 for 55 patients in 2024, with only 11 Part D claims. Endo USA, Inc. reported $146.04 in payments in 2025, mostly food and beverage. Lists Mercy Hospital South as a hospital affiliation.
Overview
| NPI | 1700524618 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | May 23, 2022 |
| Last updated in NPPES | Aug 19, 2025 |
| Certified by provider | Aug 19, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Gerontology Primary | 363LG0600X | 2022017958 | MO |
| Nurse Practitioner, Gerontology | 363LG0600X | 209025216 | IL |
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 (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 55 |
|---|---|
| Services billed | 539 across 26 procedure codes |
| Paid by Medicare | $26,442 |
Part D prescriptions in 2024
| Prescriptions (claims) | 11 · 32 30-day fills |
|---|---|
| Total drug cost | $409.70 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Signature Medical Group IncSaint Louis, MO · 41 clinicians
Hospital affiliation
- Mercy Hospital SouthSaint Louis, MO
Other facilities
- Ssm Health Rehabilitation HospitalInpatient rehabilitation facility · Richmond Heights, MO
Industry payments (Open Payments)
- 2025$146.04 · 1 payment from 1 company
- 2024$19.86 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Endo USA, Inc. | $146.04 | 1 |
What the 2025 payments were for
- Food and Beverage$146.04 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 117 gerontology nurse practitioners in Saint Louis · All gerontology nurse practitioners in Missouri