Mary Elizabeth Gross, ACNP
NPI 1952646861ActiveIndividual· Nurse Practitioner, Acute Care· Glen Burnie, MD
Nurse Practitioner, Acute Care (ACNP) with Tidalhealth Physician Network, Inc., practicing in Glen Burnie, Maryland. Their prescriptions cost Medicare Part D more than their services did: $1,511,084 for 518 claims, against $237.32 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 6 companies reporting payments in 2025, $251.92 in all, mostly food and beverage. Lists Beebe Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1952646861 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | ACNP |
| Sole proprietor | No |
| NPI issued | Dec 4, 2012 |
| Last updated in NPPES | May 20, 2021 |
| Certified by provider | May 20, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Acute Care Primary | 363LA2100X | R168153 | MD |
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 (DE); Practitioner - Nurse Practitioner (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 11 |
|---|---|
| Services billed | 11 across 3 procedure codes |
| Paid by Medicare | $237.32 |
Part D prescriptions in 2024
| Prescriptions (claims) | 518 · 751 30-day fills |
|---|---|
| Patients | 248 |
| Total drug cost | $1,511,084 |
| Generic share | 78% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Tidalhealth Physician Network, Inc.Seaford, DE · 117 clinicians
Hospital affiliations
- Beebe Medical CenterLewes, DE
- Tidalhealth Nanticoke, Inc.Seaford, DE
- Tidalhealth Peninsula Regional, IncSalisbury, MD
Industry payments (Open Payments)
- 2025$251.92 · 8 payments from 6 companies
- 2024$140.74 · 5 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $119.75 | 3 |
| Janssen Biotech, Inc. | $33.93 | 1 |
| Novartis Pharmaceuticals Corporation | $28.91 | 1 |
| Astellas Pharma US Inc | $27.45 | 1 |
| Merck Sharp & Dohme LLC | $21.01 | 1 |
What the 2025 payments were for
- Food and Beverage$173.93 · 7 payments
- Education$77.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 25 acute care nurse practitioners in Glen Burnie · All acute care nurse practitioners in Maryland