Allegra Jacqueline Hamman, CRNP
NPI 1104049063ActiveIndividual· Nurse Practitioner· Lutherville Timonium, MD
Nurse Practitioner (CRNP) with Johns Hopkins University, practicing in Lutherville Timonium, Maryland. 331 Medicare patients in 2024, $31,616 paid; nearly all of their 271 Part D prescriptions were generic (90%). Lists Johns Hopkins Bayview Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1104049063 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CRNP |
| Sole proprietor | Yes |
| NPI issued | Apr 10, 2007 |
| Last updated in NPPES | Jul 23, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | R109043 | 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 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 331 |
|---|---|
| Services billed | 806 across 16 procedure codes |
| Paid by Medicare | $31,616 |
Part D prescriptions in 2024
| Prescriptions (claims) | 271 · 407 30-day fills |
|---|---|
| Patients | 138 |
| Total drug cost | $13,066 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 1985 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Johns Hopkins UniversityBaltimore, MD · 2,909 clinicians
Hospital affiliations
- Johns Hopkins Bayview Medical CenterBaltimore, MD
- Johns Hopkins Hospital, theBaltimore, MD
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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