Matthew Dallos, M.D.
NPI 1578825071ActiveIndividual· Internal Medicine, Hematology & Oncology· New York, NY
Internal Medicine, Hematology & Oncology (M.D.) in New York, New York, trained at Northwestern University Feinberg Medical School (class of 2012). Their prescriptions cost Medicare Part D more than their services did: $2,354,406 for 560 claims, against $35,427 paid for services in 2024. Bayer Healthcare Pharmaceuticals Inc. was the largest of 5 companies reporting payments in 2025, $901.61 in all, mostly food and beverage.
Overview
| NPI | 1578825071 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 11, 2012 |
| Last updated in NPPES | Jul 1, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 279931-1 | NY |
| Internal Medicine | 207R00000X | 279931 | NY |
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 - Medical Oncology (NJ); Practitioner - Medical Oncology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 146 |
|---|---|
| Services billed | 408 across 12 procedure codes |
| Paid by Medicare | $35,427 |
Part D prescriptions in 2024
| Prescriptions (claims) | 560 · 628 30-day fills |
|---|---|
| Patients | 98 |
| Total drug cost | $2,354,406 |
| Generic share | 61% of claims |
Education and affiliations
| Medical school | Northwestern University Feinberg Medical School |
|---|---|
| Graduation year | 2012 |
| Medicare specialty | Medical Oncology |
| Telehealth | Offers telehealth |
Medical group
- Memorial Solid Tumor GroupNew York, NY · 234 clinicians
Industry payments (Open Payments)
- 2025$901.61 · 10 payments from 5 companies
- 2024$1,471 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bayer Healthcare Pharmaceuticals Inc. | $290.25 | 3 |
| Astrazeneca Pharmaceuticals LP | $241.86 | 4 |
| Pfizer Inc. | $149.17 | 1 |
| Janssen Biotech, Inc. | $120.66 | 1 |
| E.R. Squibb & Sons, L.L.C. | $99.67 | 1 |
What the 2025 payments were for
- Food and Beverage$901.61 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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