Lois J. Ayash, M.D.
NPI 1699713982ActiveIndividual· Internal Medicine, Hematology & Oncology· Detroit, MI
Internal Medicine, Hematology & Oncology (M.D.) in Detroit, Michigan, trained at University of Massachusetts Medical School (class of 1981). Their prescriptions cost Medicare Part D more than their services did: $1,074,644 for 408 claims, against $44,960 paid for services in 2024. Amgen Inc. was the largest of 2 companies reporting payments in 2025, $134.95 in all, mostly food and beverage.
Overview
| NPI | 1699713982 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jun 2, 2006 |
| Last updated in NPPES | Nov 16, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 4301069385 | MI |
| Internal Medicine, Hematology & Oncology | 207RH0003X | 50625 | MA |
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 (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 100 |
|---|---|
| Services billed | 548 across 21 procedure codes |
| Paid by Medicare | $44,960 |
Part D prescriptions in 2024
| Prescriptions (claims) | 408 · 767 30-day fills |
|---|---|
| Patients | 56 |
| Total drug cost | $1,074,644 |
| Generic share | 76% of claims |
Education and affiliations
| Medical school | University of Massachusetts Medical School |
|---|---|
| Graduation year | 1981 |
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Internal Medicine |
Medical group
- University Physician GroupDetroit, MI · 403 clinicians
Hospital affiliation
- Karmanos Cancer CenterDetroit, MI
Industry payments (Open Payments)
- 2025$134.95 · 2 payments from 2 companies
- 2024$119.70 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $119.70 | 1 |
| Novartis Pharmaceuticals Corporation | $15.25 | 1 |
What the 2025 payments were for
- Food and Beverage$134.95 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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