Hilary Kristina Dietz, MD
NPI 1669902862ActiveIndividual· Internal Medicine, Medical Oncology· Ithaca, NY
Internal Medicine, Medical Oncology (MD) with Cayuga Medical Center at Ithaca, practicing in Ithaca, New York. Their prescriptions cost Medicare Part D more than their services did: $786,416 for 527 claims, against $43,600 paid for services in 2024. Seagen Inc. was the largest of 4 companies reporting payments in 2025, $191.32 in all, mostly food and beverage. Lists Cayuga Medical Center at Ithaca and 1 other hospital as hospital affiliations.
Overview
| NPI | 1669902862 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 20, 2017 |
| Last updated in NPPES | Sep 3, 2023 |
| Certified by provider | Sep 3, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | 320731 | NY |
| Internal Medicine, Hematology | 207RH0000X | 320731 | 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 - Hematology/Oncology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 184 |
|---|---|
| Services billed | 534 across 11 procedure codes |
| Paid by Medicare | $43,600 |
Part D prescriptions in 2024
| Prescriptions (claims) | 527 · 705 30-day fills |
|---|---|
| Patients | 90 |
| Total drug cost | $786,416 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- Cayuga Medical Center at IthacaIthaca, NY · 31 clinicians
Hospital affiliations
- Cayuga Medical Center at IthacaIthaca, NY
- Guthrie Cortland Regional Medical CenterCortland, NY
Other facilities
- Hospicare & Palliative Care ServicesHospice · Ithaca, NY
Industry payments (Open Payments)
- 2025$191.32 · 4 payments from 4 companies
- 2024$361.79 · 12 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Seagen Inc. | $92.99 | 1 |
| Novartis Pharmaceuticals Corporation | $69.01 | 1 |
| Abbvie Inc. | $18.86 | 1 |
| Merck Sharp & Dohme LLC | $10.46 | 1 |
What the 2025 payments were for
- Food and Beverage$98.33 · 3 payments
- Education$92.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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