Ellen W. McKnight, MD
NPI 1659464840ActiveIndividual· Internal Medicine, Rheumatology· Pensacola, FL
Opted out of Medicare from January 2016 to January 2028. Internal Medicine, Rheumatology (MD) in Pensacola, Florida, licensed in FL, with an NPI issued in October 2006. Part D covered 2,440 prescriptions written in 2024, 93% of them generic. Amgen Inc. was the largest of 15 companies reporting payments in 2025, $1,294 in all, mostly food and beverage.
Overview
| NPI | 1659464840 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Oct 2, 2006 |
| Last updated in NPPES | Mar 11, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | ME61717 | FL |
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 |
|---|---|
| Opt-out | Opted out Jan 1, 2016 – Jan 1, 2028 |
| Can order and refer | No |
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) | 2,440 · 4,708 30-day fills |
|---|---|
| Patients | 192 |
| Total drug cost | $1,149,426 |
| Generic share | 93% of claims |
Industry payments (Open Payments)
- 2025$1,294 · 43 payments from 15 companies
- 2024$1,238 · 45 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $415.05 | 8 |
| Abbvie Inc. | $234.53 | 7 |
| Janssen Biotech, Inc. | $145.66 | 3 |
| Ucb, Inc. | $94.38 | 5 |
| Pfizer Inc. | $83.95 | 4 |
What the 2025 payments were for
- Food and Beverage$1,294 · 43 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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