Marika W. Hartman
NPI 1578868659ActiveIndividual· Nurse Practitioner, Adult Health· Langhorne, PA
Nurse Practitioner, Adult Health with Val Koganski MD PC, practicing in Langhorne, Pennsylvania. Their prescriptions cost Medicare Part D more than their services did: $529,797 for 4,457 claims, against $58,817 paid for services in 2024. Vivus LLC was the largest of 25 companies reporting payments in 2025, $2,156 in all, mostly food and beverage. Lists Hospital of Univ of Pennsylvania and 1 other hospital as hospital affiliations.
Overview
| NPI | 1578868659 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | Jan 20, 2011 |
| Last updated in NPPES | Sep 30, 2025 |
| Certified by provider | Sep 30, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Adult Health Primary | 363LA2200X | SP011101 | PA |
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 (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 148 |
|---|---|
| Services billed | 1,031 across 33 procedure codes |
| Paid by Medicare | $58,817 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,457 · 9,364 30-day fills |
|---|---|
| Patients | 256 |
| Total drug cost | $529,797 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 2010 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Val Koganski MD PCLanghorne, PA · 2 clinicians
Hospital affiliations
- Hospital of Univ of PennsylvaniaPhiladelphia, PA
- St Mary Medical CenterLanghorne, PA
Other facilities
- Mercy Home HealthHome health agency · Newtown, PA
Industry payments (Open Payments)
- 2025$2,156 · 103 payments from 25 companies
- 2024$3,070 · 152 payments from 27 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Vivus LLC | $189.77 | 9 |
| Lilly USA, LLC | $188.85 | 8 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $186.39 | 9 |
| Viatris Specialty LLC | $180.12 | 9 |
| Astrazeneca Pharmaceuticals LP | $174.54 | 11 |
What the 2025 payments were for
- Food and Beverage$2,156 · 103 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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