Nina Delaney Wagner-Johnston, MD
NPI 1255488201ActiveIndividual· Internal Medicine, Medical Oncology· Baltimore, MD
Internal Medicine, Medical Oncology (MD) in Baltimore, Maryland, trained at University of Chicago, Pritzker School of Medicine (class of 2003). Their prescriptions cost Medicare Part D more than their services did: $2,656,998 for 384 claims, against $39,346 paid for services in 2024. Genentech, Inc. was the largest of 2 companies reporting payments in 2025, $18,281 in all, mostly consulting fees.
Overview
| NPI | 1255488201 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 4, 2007 |
| Last updated in NPPES | Jan 12, 2026 |
| Certified by provider | Jan 12, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | 2008016540 | MO |
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 - Hematology/Oncology (DC); Practitioner - Medical Oncology (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 189 |
|---|---|
| Services billed | 631 across 16 procedure codes |
| Paid by Medicare | $39,346 |
Part D prescriptions in 2024
| Prescriptions (claims) | 384 · 401 30-day fills |
|---|---|
| Patients | 52 |
| Total drug cost | $2,656,998 |
| Generic share | 57% of claims |
Education and affiliations
| Medical school | University of Chicago, Pritzker School of Medicine |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical groups
- Johns Hopkins UniversityBaltimore, MD · 2,909 clinicians
- Johns Hopkins UniversityWashington, DC · 197 clinicians
Hospital affiliations
- Johns Hopkins Hospital, theBaltimore, MD
- Sibley Memorial HospitalWashington, DC
Industry payments (Open Payments)
- 2025$18,281 · 2 payments from 2 companies
- 2024$15,366 · 15 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genentech, Inc. | $18,101 | 1 |
| Adc Therapeutics America, Inc. | $180.35 | 1 |
What the 2025 payments were for
- Consulting Fee$18,101 · 1 payment
- Food and Beverage$180.35 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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