Alexander Joseph Ambinder, M.D.
NPI 1629411558ActiveIndividual· Internal Medicine, Hematology & Oncology· Baltimore, MD
Internal Medicine, Hematology & Oncology (M.D.) in Baltimore, Maryland, trained at Emory University School of Medicine (class of 2013). Their prescriptions cost Medicare Part D more than their services did: $1,591,335 for 475 claims, against $51,101 paid for services in 2024. Servier Pharmaceuticals LLC was the largest of 4 companies reporting payments in 2025, $13,993 in all, mostly consulting fees.
Overview
| NPI | 1629411558 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 10, 2013 |
| Last updated in NPPES | Mar 16, 2026 |
| Certified by provider | Mar 16, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | D81117 | MD |
| Internal Medicine, Medical Oncology | 207RX0202X | D0081117 | MD |
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 - Internal Medicine (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 162 |
|---|---|
| Services billed | 745 across 20 procedure codes |
| Paid by Medicare | $51,101 |
Part D prescriptions in 2024
| Prescriptions (claims) | 475 · 731 30-day fills |
|---|---|
| Patients | 56 |
| Total drug cost | $1,591,335 |
| Generic share | 76% of claims |
Education and affiliations
| Medical school | Emory University School of Medicine |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Johns Hopkins UniversityBaltimore, MD · 2,909 clinicians
- Johns Hopkins UniversityBaltimore, MD · 713 clinicians
Hospital affiliations
- Johns Hopkins Bayview Medical CenterBaltimore, MD
- Johns Hopkins Hospital, theBaltimore, MD
Other facilities
- The Johns Hopkins Home Health Services, IncHome health agency · Baltimore, MD
Industry payments (Open Payments)
- 2025$13,993 · 24 payments from 4 companies
- 2024$51.77 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Servier Pharmaceuticals LLC | $11,950 | 21 |
| Melinta Therapeutics, LLC | $1,350 | 1 |
| Daiichi Sankyo Inc. | $650.00 | 1 |
| Astrazeneca Pharmaceuticals LP | $43.25 | 1 |
What the 2025 payments were for
- Consulting Fee$10,400 · 5 payments
- Travel and Lodging$3,224 · 9 payments
- Food and Beverage$326.02 · 9 payments
- Education$43.25 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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