Christina Joy Walker, CRNP
NPI 1003382433ActiveIndividual· Nurse Practitioner, Adult Health· Fort Washington, MD
Nurse Practitioner, Adult Health (CRNP) with Galen Inpatient Physicians PC and 2 other groups, practicing in Fort Washington, Maryland. 285 Medicare patients in 2024, $33,754 paid; nearly all of their 319 Part D prescriptions were generic (91%). Merck Sharp & Dohme LLC was the largest of 2 companies reporting payments in 2025, $40.21 in all, mostly food and beverage. Lists Holy Cross Germantown Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1003382433 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CRNP |
| Sole proprietor | No |
| NPI issued | Oct 24, 2018 |
| Last updated in NPPES | Jul 21, 2026 |
| Certified by provider | Jul 21, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Adult Health Primary | 363LA2200X | R235436 | MD |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 285 |
|---|---|
| Services billed | 353 across 11 procedure codes |
| Paid by Medicare | $33,754 |
Part D prescriptions in 2024
| Prescriptions (claims) | 319 · 332 30-day fills |
|---|---|
| Patients | 57 |
| Total drug cost | $10,509 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- Galen Inpatient Physicians PCHanford, CA · 1,077 clinicians
- Emergency Medicine Associates P.A., P.C.Newport News, VA · 714 clinicians
- Usacs Integrated Acute Care Services of Maryland LLCRockville, MD · 179 clinicians
Hospital affiliations
- Holy Cross Germantown HospitalGermantown, MD
- Luminis Health Doctors Community Medical Ctr, IncLanham, MD
Industry payments (Open Payments)
- 2025$40.21 · 2 payments from 2 companies
- 2024$108.16 · 4 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $22.68 | 1 |
| Pfizer Inc. | $17.53 | 1 |
What the 2025 payments were for
- Food and Beverage$40.21 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Nurse Practitioner, Adult Health providers in Fort Washington
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