Matthew Thomas Middendorf, MD
NPI 1629305784ActiveIndividual· Internal Medicine, Pulmonary Disease· Portsmouth, VA
Internal Medicine, Pulmonary Disease (MD) in Portsmouth, Virginia, trained at Mercer University School of Medicine (class of 2013). Mostly services rather than prescriptions: Medicare paid $11,509 for 74 patients in 2024, with only 23 Part D claims. Astrazeneca Pharmaceuticals LP reported $24.70 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1629305784 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Nov 11, 2009 |
| Last updated in NPPES | Oct 19, 2026 |
| Certified by provider | Oct 19, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | MD39270 | SC |
| Internal Medicine, Critical Care Medicine | 207RC0200X | MD39270 | SC |
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 - Pulmonary Disease (GU) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 74 |
|---|---|
| Services billed | 148 across 29 procedure codes |
| Paid by Medicare | $11,509 |
Part D prescriptions in 2024
| Prescriptions (claims) | 23 · 29 30-day fills |
|---|---|
| Total drug cost | $4,923 |
| Generic share | 70% of claims |
Education and affiliations
| Medical school | Mercer University School of Medicine |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Critical Care (Intensivists) |
Medical group
- Guam Healthcare Development IncorporatedDededo, GU · 207 clinicians
Hospital affiliation
- Guam Regional Medical CityDededo, GU
Industry payments (Open Payments)
- 2025$24.70 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $24.70 | 1 |
What the 2025 payments were for
- Food and Beverage$24.70 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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