Katherine Marie Johns Harris, MD
NPI 1255759478ActiveIndividual· Psychiatry & Neurology, Neurology· Houston, TX
Psychiatry & Neurology, Neurology (MD) with Ut Physicians, practicing in Houston, Texas. Their prescriptions cost Medicare Part D more than their services did: $828,604 for 1,884 claims, against $76,758 paid for services in 2024. Sk Life Science, Inc. was the largest of 7 companies reporting payments in 2025, $435.67 in all, mostly food and beverage. Lists Memorial Hermann - Texas Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1255759478 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 3, 2014 |
| Last updated in NPPES | Jun 21, 2023 |
| Certified by provider | Jun 21, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | R5268 | TX |
| Psychiatry & Neurology, Epilepsy | 2084E0001X | R5268 | 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) | Enrolled Practitioner - Neurology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 339 |
|---|---|
| Services billed | 1,063 across 37 procedure codes |
| Paid by Medicare | $76,758 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,884 · 2,928 30-day fills |
|---|---|
| Patients | 196 |
| Total drug cost | $828,604 |
| Generic share | 78% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Neurology |
| Telehealth | Offers telehealth |
Medical group
- Ut PhysiciansHouston, TX · 213 clinicians
Hospital affiliations
- Memorial Hermann - Texas Medical CenterHouston, TX
- Memorial Hermann Hospital SystemHouston, TX
- Memorial Hermann Memorial City HospitalHouston, TX
Industry payments (Open Payments)
- 2025$435.67 · 9 payments from 7 companies
- 2024$207.03 · 8 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sk Life Science, Inc. | $154.32 | 2 |
| Neurelis, Inc. | $111.23 | 1 |
| Otter Pharmaceuticals, LLC | $67.06 | 2 |
| Biogen, Inc. | $29.10 | 1 |
| Jazz Pharmaceuticals Inc. | $26.67 | 1 |
What the 2025 payments were for
- Food and Beverage$435.67 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Psychiatry & Neurology, Neurology providers in Houston
- 1366657561
- 1578490405
- 1780826297
- 1881624666
- 1912001504
- 1750380226
- 1538886932
- 1558163865
- 1760634661
- 1851712103
- 1881510287
- 1093195257