Irina Rybalova, MD
NPI 1386864486ActiveIndividual· Internal Medicine, Hematology & Oncology· Nyack, NY
Internal Medicine, Hematology & Oncology (MD) with White Plains Medical Diagnostic Services, PC, practicing in Nyack, New York. Their prescriptions cost Medicare Part D more than their services did: $1,837,148 for 1,309 claims, against $190,057 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 41 companies reporting payments in 2025, $4,456 in all, mostly food and beverage. Lists Good Samaritan Hospital of Suffern and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1386864486 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 30, 2007 |
| Last updated in NPPES | Jun 30, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 218821 | NY |
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 - Hematology/Oncology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 665 |
|---|---|
| Services billed | 2,746 across 18 procedure codes |
| Paid by Medicare | $190,057 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,309 · 2,010 30-day fills |
|---|---|
| Patients | 241 |
| Total drug cost | $1,837,148 |
| Generic share | 70% of claims |
Education and affiliations
| Graduation year | 1993 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- White Plains Medical Diagnostic Services, PCNew City, NY · 93 clinicians
Hospital affiliations
- Good Samaritan Hospital of SuffernSuffern, NY
- Helen Hayes HospitalWest Haverstraw, NY
- Nyack HospitalNyack, NY
Industry payments (Open Payments)
- 2025$4,456 · 167 payments from 41 companies
- 2024$2,831 · 129 payments from 37 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $1,654 | 40 |
| Shield Therapeutics Inc | $272.70 | 13 |
| Astrazeneca Pharmaceuticals LP | $261.62 | 12 |
| Ipsen Biopharmaceuticals, Inc | $259.71 | 12 |
| Pfizer Inc. | $183.25 | 11 |
What the 2025 payments were for
- Food and Beverage$3,000 · 152 payments
- Long term medical supply or device loan$1,180 · 12 payments
- Education$275.94 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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