Katherine Diase, MD
NPI 1003807801ActiveIndividual· Obstetrics & Gynecology· Sugar Land, TX
Obstetrics & Gynecology (MD) in Sugar Land, Texas, trained at University of Texas Southwestern Medical School at Dallas (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $24,998 for 318 claims, against $4,321 paid for services in 2024. Sage Therapeutics, LLC was the largest of 15 companies reporting payments in 2025, $598.52 in all, mostly food and beverage.
Overview
| NPI | 1003807801 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 31, 2005 |
| Last updated in NPPES | Aug 25, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | L0789 | 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 - Obstetrics/Gynecology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 55 |
|---|---|
| Services billed | 107 across 13 procedure codes |
| Paid by Medicare | $4,321 |
Part D prescriptions in 2024
| Prescriptions (claims) | 318 · 605 30-day fills |
|---|---|
| Patients | 78 |
| Total drug cost | $24,998 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | University of Texas Southwestern Medical School at Dallas |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Obstetrics/Gynecology |
| Telehealth | Offers telehealth |
Medical groups
- Tmh Physician Associates PLLCKaty, TX · 1,690 clinicians
- Houston Methodist Specialty PhysiciansHouston, TX · 1,528 clinicians
Hospital affiliations
- Houston Methodist Sugarland HospitalSugar Land, TX
- Memorial Hermann Hospital SystemHouston, TX
- Memorial Hermann Memorial City HospitalHouston, TX
- Memorial Hermann Sugar Land HospitalSugar Land, TX
Industry payments (Open Payments)
- 2025$598.52 · 28 payments from 15 companies
- 2024$575.46 · 27 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sage Therapeutics, LLC | $90.35 | 4 |
| Millicent US Inc | $88.84 | 4 |
| Shield Therapeutics Inc | $88.77 | 5 |
| Bayer Healthcare Pharmaceuticals Inc. | $78.56 | 3 |
| Smith+nephew, Inc. | $39.58 | 1 |
What the 2025 payments were for
- Food and Beverage$598.52 · 28 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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