David Henry Aggen, M.D., PH.D.
NPI 1194168955ActiveIndividual· Internal Medicine, Medical Oncology· New York, NY
Internal Medicine, Medical Oncology (M.D., PH.D.) with Msk Bergen and 1 other group, practicing in New York, New York. Their prescriptions cost Medicare Part D more than their services did: $2,317,850 for 709 claims, against $83,784 paid for services in 2024. Astellas Pharma US Inc was the largest of 7 companies reporting payments in 2025, $10,044 in all, mostly consulting fees.
Overview
| NPI | 1194168955 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D., PH.D. |
| Sole proprietor | No |
| NPI issued | Apr 11, 2013 |
| Last updated in NPPES | Aug 4, 2022 |
| Certified by provider | Aug 4, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | 283608 | NY |
| Internal Medicine, Medical Oncology | 207RX0202X | 25MA10610200 | NJ |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Internal Medicine (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 192 |
|---|---|
| Services billed | 944 across 15 procedure codes |
| Paid by Medicare | $83,784 |
Part D prescriptions in 2024
| Prescriptions (claims) | 709 · 791 30-day fills |
|---|---|
| Patients | 119 |
| Total drug cost | $2,317,850 |
| Generic share | 79% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Medical Oncology |
| Telehealth | Offers telehealth |
Medical groups
- Msk BergenMontvale, NJ · 255 clinicians
- Memorial Solid Tumor GroupNew York, NY · 234 clinicians
Other facilities
- Vns of Ny Home Care ChhaHome health agency · New York, NY
- Good Shepherd HospiceHospice · Farmingdale, NY
Industry payments (Open Payments)
- 2025$10,044 · 14 payments from 7 companies
- 2024$22,960 · 22 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astellas Pharma US Inc | $4,800 | 1 |
| Eisai Inc. | $3,024 | 3 |
| Glaxosmithkline, LLC. | $1,450 | 1 |
| Astrazeneca Pharmaceuticals LP | $361.79 | 4 |
| Pfizer Inc. | $217.23 | 2 |
What the 2025 payments were for
- Consulting Fee$9,160 · 3 payments
- Food and Beverage$865.14 · 10 payments
- Travel and Lodging$18.36 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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