Michael Edward Ruff, MD
NPI 1679532576ActiveIndividual· Allergy & Immunology, Allergy· Dallas, TX
Opted out of Medicare from May 2018 to May 2028. Allergy & Immunology, Allergy (MD) in Dallas, Texas, licensed in TX, with an NPI issued in March 2006. Part D covered 164 prescriptions written in 2024, 65% of them generic. Regeneron Healthcare Solutions, Inc. was the largest of 9 companies reporting payments in 2025, $390.58 in all, mostly food and beverage.
Overview
| NPI | 1679532576 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 20, 2006 |
| Last updated in NPPES | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Allergy & Immunology, Allergy Primary | 207KA0200X | G6386 | TX |
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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Opt-out | Opted out May 21, 2018 – May 21, 2028 |
| Can order and refer | Yes |
During an opt-out period the provider sees Medicare patients only under private contracts, and Medicare does not pay claims for their services.
Part D prescriptions in 2024
| Prescriptions (claims) | 164 · 327 30-day fills |
|---|---|
| Patients | 34 |
| Total drug cost | $18,797 |
| Generic share | 65% of claims |
Industry payments (Open Payments)
- 2025$390.58 · 19 payments from 9 companies
- 2024$518.47 · 23 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Regeneron Healthcare Solutions, Inc. | $88.10 | 3 |
| Astrazeneca Pharmaceuticals LP | $73.88 | 4 |
| Glaxosmithkline, LLC. | $47.62 | 2 |
| Genzyme Corporation | $46.16 | 2 |
| Organon LLC | $41.97 | 3 |
What the 2025 payments were for
- Food and Beverage$390.58 · 19 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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