Preston E. Harrison, M.D.
NPI 1184652141ActiveIndividual· Psychiatry & Neurology, Neurology· Tyler, TX
Psychiatry & Neurology, Neurology (M.D.) in Tyler, Texas, trained at Baylor College of Medicine (class of 1970). Their prescriptions cost Medicare Part D more than their services did: $2,140,897 for 3,081 claims, against $90,376 paid for services in 2024. Neurocrine Biosciences, Inc. was the largest of 27 companies reporting payments in 2025, $3,413 in all, mostly food and beverage.
Overview
| NPI | 1184652141 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 29, 2006 |
| Last updated in NPPES | Mar 7, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | D7080 | 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 | 344 |
|---|---|
| Services billed | 1,004 across 15 procedure codes |
| Paid by Medicare | $90,376 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,081 · 6,094 30-day fills |
|---|---|
| Patients | 494 |
| Total drug cost | $2,140,897 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Baylor College of Medicine |
|---|---|
| Graduation year | 1970 |
| Medicare specialty | Neurology |
Hospital affiliations
- Baylor Scott & White Texas Spine & Joint HospitalTyler, TX
- Christus Mother Frances HospitalTyler, TX
- Christus Mother Frances Hospital Sulphur SpringsSulphur Springs, TX
- Ut Health East Texas Tyler Regional HospitalTyler, TX
Other facilities
- Paradigm HomecareHome health agency · Tyler, TX
Industry payments (Open Payments)
- 2025$3,413 · 127 payments from 27 companies
- 2024$3,073 · 138 payments from 23 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Neurocrine Biosciences, Inc. | $698.22 | 22 |
| Emd Serono, Inc. | $507.24 | 14 |
| Novartis Pharmaceuticals Corporation | $271.69 | 14 |
| Teva Pharmaceuticals USA, Inc. | $224.14 | 10 |
| Livanova USA, Inc. | $208.70 | 2 |
What the 2025 payments were for
- Food and Beverage$3,357 · 126 payments
- Education$55.50 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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