Cassandra Walker, NP
NPI 1366046682ActiveIndividual· Nurse Practitioner, Family· Frederick, MD
Nurse Practitioner, Family (NP) with Amber Hill Physical Therapy Inc and 1 other group, practicing in Frederick, Maryland. Their prescriptions cost Medicare Part D more than their services did: $83,517 for 1,556 claims, against $10,007 paid for services in 2024. Medtronic, Inc. was the largest of 11 companies reporting payments in 2025, $2,059 in all, mostly food and beverage.
Overview
| NPI | 1366046682 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Nov 27, 2020 |
| Last updated in NPPES | Jan 15, 2024 |
| Certified by provider | Jan 15, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | R212921 | MD |
| Nurse Practitioner | 363L00000X | 0024187352 | VA |
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 (DC); Practitioner - Nurse Practitioner (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 106 |
|---|---|
| Services billed | 132 across 7 procedure codes |
| Paid by Medicare | $10,007 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,556 · 1,663 30-day fills |
|---|---|
| Patients | 216 |
| Total drug cost | $83,517 |
| Generic share | 95% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical groups
- Amber Hill Physical Therapy IncFrederick, MD · 334 clinicians
- Elite Spine and Pain LLCGaithersburg, MD · 6 clinicians
Industry payments (Open Payments)
- 2025$2,059 · 66 payments from 11 companies
- 2024$1,098 · 49 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $988.47 | 26 |
| Boston Scientific Corporation | $516.64 | 18 |
| Cumberland Pharmaceuticals, Inc. | $228.88 | 7 |
| Averitas Pharma Inc. | $80.44 | 3 |
| Abbvie Inc. | $70.82 | 3 |
What the 2025 payments were for
- Food and Beverage$1,769 · 62 payments
- Travel and Lodging$244.36 · 3 payments
- Education$45.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 159 family nurse practitioners in Frederick · All family nurse practitioners in Maryland