Matthias Holdhoff, M.D.
NPI 1386709046ActiveIndividual· Internal Medicine, Medical Oncology· Baltimore, MD
Internal Medicine, Medical Oncology (M.D.) with Johns Hopkins University and 1 other group, practicing in Baltimore, Maryland. Their prescriptions cost Medicare Part D more than their services did: $100,769 for 248 claims, against $36,481 paid for services in 2024. Btg International Inc. was the largest of 2 companies reporting payments in 2025, $2,278 in all, mostly honoraria. Lists Johns Hopkins Hospital, the and 1 other hospital as hospital affiliations.
Overview
| NPI | 1386709046 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Dec 23, 2006 |
| Last updated in NPPES | Feb 13, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | D66034 | 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 - Medical Oncology (DC); Practitioner - Medical Oncology (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 128 |
|---|---|
| Services billed | 484 across 18 procedure codes |
| Paid by Medicare | $36,481 |
Part D prescriptions in 2024
| Prescriptions (claims) | 248 · 427 30-day fills |
|---|---|
| Patients | 44 |
| Total drug cost | $100,769 |
| Generic share | 97% of claims |
Education and affiliations
| Graduation year | 2003 |
|---|---|
| Medicare specialty | Medical Oncology |
| Secondary specialties | Internal Medicine |
| 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
Other facilities
- The Johns Hopkins Home Health Services, IncHome health agency · Baltimore, MD
Industry payments (Open Payments)
- 2025$2,278 · 3 payments from 2 companies
- 2024$368.92 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Btg International Inc. | $1,429 | 2 |
| Nuvation Bio Inc. | $849.00 | 1 |
What the 2025 payments were for
- Honoraria$1,375 · 1 payment
- Consulting Fee$849.00 · 1 payment
- Food and Beverage$53.71 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Medical Oncology providers in Baltimore
- 1235167297
- 1225908411
- 1346100583
- 1588524391
- 1902896970
- 1972087781
- 1992675169
- 1528022407
- 1164089843
- 1821314030
- 1588628390
- 1568635712
All Internal Medicine, Medical Oncology providers in Maryland →