Michelle M. Mack, DNP, CRNP
NPI 1023763455ActiveIndividual· Nurse Practitioner· Scranton, PA
Nurse Practitioner (DNP, CRNP) with Geisinger Clinic, practicing in Scranton, Pennsylvania. Their prescriptions cost Medicare Part D more than their services did: $646,880 for 1,705 claims, against $36,543 paid for services in 2024. Genzyme Corporation was the largest of 2 companies reporting payments in 2025, $143.13 in all, mostly food and beverage.
Overview
| NPI | 1023763455 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DNP, CRNP |
| Sole proprietor | No |
| NPI issued | Feb 14, 2022 |
| Last updated in NPPES | Aug 2, 2024 |
| Certified by provider | Aug 2, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | SP024034 | 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 | 273 |
|---|---|
| Services billed | 665 across 8 procedure codes |
| Paid by Medicare | $36,543 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,705 · 2,146 30-day fills |
|---|---|
| Patients | 332 |
| Total drug cost | $646,880 |
| Generic share | 35% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Geisinger ClinicDanville, PA · 3,467 clinicians
Industry payments (Open Payments)
- 2025$143.13 · 2 payments from 2 companies
- 2024$73.33 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $125.00 | 1 |
| Glaxosmithkline, LLC. | $18.13 | 1 |
What the 2025 payments were for
- Food and Beverage$143.13 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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