Sean M. Milligan, MD
NPI 1861438061ActiveIndividual· Psychiatry & Neurology, Neurology· Amarillo, TX
Psychiatry & Neurology, Neurology (MD) in Amarillo, Texas, trained at University of Cincinnati College of Medicine (class of 2000). Their prescriptions cost Medicare Part D more than their services did: $4,359,475 for 4,744 claims, against $2,203,651 paid for services in 2024. Alexion Pharmaceuticals, Inc. was the largest of 28 companies reporting payments in 2025, $66,681 in all, mostly speaking and faculty fees.
Overview
| NPI | 1861438061 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 22, 2006 |
| Last updated in NPPES | Dec 7, 2021 |
| Certified by provider | Dec 7, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | M0180 | TX |
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 - Neurology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,118 |
|---|---|
| Services billed | 107,312 across 84 procedure codes |
| Paid by Medicare | $2,203,651 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,744 · 7,738 30-day fills |
|---|---|
| Patients | 691 |
| Total drug cost | $4,359,475 |
| Generic share | 78% of claims |
Education and affiliations
| Medical school | University of Cincinnati College of Medicine |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Neurology |
Medical group
- Bsa Amarillo Diagnostic Clinic IncAmarillo, TX · 30 clinicians
Hospital affiliations
- Bsa HospitalAmarillo, TX
- Quail Creek Surgical HospitalAmarillo, TX
Industry payments (Open Payments)
- 2025$66,681 · 188 payments from 28 companies
- 2024$48,832 · 192 payments from 26 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alexion Pharmaceuticals, Inc. | $20,847 | 33 |
| Amgen Inc. | $20,287 | 24 |
| Abbvie Inc. | $13,387 | 32 |
| Biogen, Inc. | $10,777 | 20 |
| Pfizer Inc. | $250.00 | 19 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$51,614 · 22 payments
- Consulting Fee$6,135 · 4 payments
- Travel and Lodging$6,101 · 33 payments
- Food and Beverage$2,813 · 128 payments
- Education$17.90 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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