Mary Y. Klein, M.D.
NPI 1518966589ActiveIndividual· Internal Medicine, Hematology & Oncology· Valparaiso, IN
Internal Medicine, Hematology & Oncology (M.D.) in Valparaiso, Indiana, licensed in IN, with an NPI issued in July 2005. Their prescriptions cost Medicare Part D more than their services did: $1,306,948 for 864 claims, against $54,488 paid for services in 2024. E.R. Squibb & Sons, L.L.C. was the largest of 2 companies reporting payments in 2024, $34.33 in all, mostly food and beverage.
Overview
| NPI | 1518966589 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 20, 2005 |
| Last updated in NPPES | Sep 11, 2020 |
| Certified by provider | Sep 11, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 01034294 | IN |
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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 273 |
|---|---|
| Services billed | 1,711 across 11 procedure codes |
| Paid by Medicare | $54,488 |
Part D prescriptions in 2024
| Prescriptions (claims) | 864 · 1,465 30-day fills |
|---|---|
| Patients | 191 |
| Total drug cost | $1,306,948 |
| Generic share | 67% of claims |
Industry payments (Open Payments)
- 2024$34.33 · 2 payments from 2 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| E.R. Squibb & Sons, L.L.C. | $19.80 | 1 |
| Celgene Corporation | $14.53 | 1 |
What the 2024 payments were for
- Food and Beverage$34.33 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other hematologist-oncologists in Valparaiso
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