Mary Catherine Parker, MSN, GNP-C
NPI 1386661064ActiveIndividual· Nurse Practitioner, Gerontology· Fort Wayne, IN
Nurse Practitioner, Gerontology (MSN, GNP-C) with Extended Care Specialists, Inc and 1 other group, practicing in Fort Wayne, Indiana. Their prescriptions cost Medicare Part D more than their services did: $166,703 for 3,793 claims, against $37,577 paid for services in 2024. Sun Pharmaceutical Industries Inc. was the largest of 4 companies reporting payments in 2025, $412.32 in all, mostly food and beverage.
Overview
| NPI | 1386661064 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MSN, GNP-C |
| Sole proprietor | No |
| NPI issued | Jul 17, 2006 |
| Last updated in NPPES | Apr 6, 2023 |
| Certified by provider | Apr 6, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Gerontology Primary | 363LG0600X | 71000897A | IN |
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 (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 191 |
|---|---|
| Services billed | 763 across 20 procedure codes |
| Paid by Medicare | $37,577 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,793 · 4,216 30-day fills |
|---|---|
| Patients | 140 |
| Total drug cost | $166,703 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 1999 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- Extended Care Specialists, IncMerrillville, IN · 312 clinicians
- Eventus Ecs, IncIndianapolis, IN · 231 clinicians
Other facilities
- Adoration Home HealthHome health agency · Fort Wayne, IN
Industry payments (Open Payments)
- 2025$412.32 · 5 payments from 4 companies
- 2024$20.70 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sun Pharmaceutical Industries Inc. | $198.63 | 2 |
| Sanofi-Aventis U.S. LLC | $103.68 | 1 |
| Otsuka America Pharmaceutical, Inc. | $91.69 | 1 |
| Novo Nordisk Inc | $18.32 | 1 |
What the 2025 payments were for
- Food and Beverage$412.32 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 25 gerontology nurse practitioners in Fort Wayne · All gerontology nurse practitioners in Indiana