Matthew Holzberg, DO
NPI 1194288647ActiveIndividual· Internal Medicine· Newark, DE
Internal Medicine (DO) in Newark, Delaware, trained at Rowan University School of Osteopathic Medicine (class of 2019). In 2024 Medicare paid $53,697 for 289 patients, and Part D covered 344 of their prescriptions, 87% of them generic.
Overview
| NPI | 1194288647 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | Yes |
| NPI issued | Apr 11, 2019 |
| Last updated in NPPES | Feb 2, 2026 |
| Certified by provider | Feb 2, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | C2-0024879 | DE |
| Internal Medicine | 207R00000X | OP61246170 | WA |
| Internal Medicine | 207R00000X | H0105426 | 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 (DE); Practitioner - Internal Medicine (MD); Practitioner - Internal Medicine (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 289 |
|---|---|
| Services billed | 630 across 12 procedure codes |
| Paid by Medicare | $53,697 |
Part D prescriptions in 2024
| Prescriptions (claims) | 344 · 386 30-day fills |
|---|---|
| Patients | 129 |
| Total drug cost | $20,623 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Rowan University School of Osteopathic Medicine |
|---|---|
| Graduation year | 2019 |
| Medicare specialty | Internal Medicine |
Medical groups
- Christiana Care Health Services IncNewark, DE · 1,483 clinicians
- South Sound Inpatient Physicians PLLCArlington, WA · 422 clinicians
Hospital affiliations
- Christiana HospitalNewark, DE
- Peacehealth Southwest Medical CenteVancouver, WA
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 267 internal medicine physicians in Newark · All internal medicine physicians in Delaware