Christine Marie Hallman, DNP, APRN,ACHPN,NP-C
NPI 1275960635ActiveIndividual· Nurse Practitioner· Columbia, MD
Nurse Practitioner (DNP, APRN,ACHPN,NP-C) with Medstar Medical Group II LLC, practicing in Columbia, Maryland. Mostly services rather than prescriptions: Medicare paid $20,441 for 46 patients in 2024, with only 40 Part D claims. Lists Medstar Washington Hospital Center as a hospital affiliation.
Overview
| NPI | 1275960635 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DNP, APRN,ACHPN,NP-C |
| Sole proprietor | No |
| NPI issued | Oct 1, 2013 |
| Last updated in NPPES | Feb 27, 2025 |
| Certified by provider | Feb 27, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 18021 | TN |
| Nurse Practitioner, Gerontology | 363LG0600X | 18021 | TN |
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 | 46 |
|---|---|
| Services billed | 189 across 7 procedure codes |
| Paid by Medicare | $20,441 |
Part D prescriptions in 2024
| Prescriptions (claims) | 40 · 52 30-day fills |
|---|---|
| Total drug cost | $856.79 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Medstar Medical Group II LLCWashington, DC · 3,767 clinicians
Hospital affiliation
- Medstar Washington Hospital CenterWashington, DC
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 55 nurse practitioners in Columbia · All nurse practitioners in Maryland