Linda Siti Yancey, M.D.
NPI 1992759070ActiveIndividual· Internal Medicine, Infectious Disease· Katy, TX
Internal Medicine, Infectious Disease (M.D.) in Katy, Texas, trained at Texas Tech University Health Science Center School of Medicine (class of 2000). Their prescriptions cost Medicare Part D more than their services did: $713,417 for 713 claims, against $148,318 paid for services in 2024. Gilead Sciences, Inc. was the largest of 8 companies reporting payments in 2025, $387.93 in all, mostly food and beverage.
Overview
| NPI | 1992759070 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 21, 2006 |
| Last updated in NPPES | Jan 27, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | L8235 | TX |
| Internal Medicine, Infectious Disease | 207RI0200X | 29710 | AZ |
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 - Infectious Disease (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 493 |
|---|---|
| Services billed | 1,852 across 11 procedure codes |
| Paid by Medicare | $148,318 |
Part D prescriptions in 2024
| Prescriptions (claims) | 713 · 939 30-day fills |
|---|---|
| Patients | 204 |
| Total drug cost | $713,417 |
| Generic share | 78% of claims |
Education and affiliations
| Medical school | Texas Tech University Health Science Center School of Medicine |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Infectious Disease |
| Secondary specialties | Internal Medicine |
Medical group
- Memorial Hermann Medical GroupSugar Land, TX · 762 clinicians
Hospital affiliations
- Memorial Hermann - Texas Medical CenterHouston, TX
- Memorial Hermann Katy HospitalKaty, TX
Industry payments (Open Payments)
- 2025$387.93 · 20 payments from 8 companies
- 2024$1,130 · 62 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $138.77 | 10 |
| Merck Sharp & Dohme LLC | $81.41 | 3 |
| Viiv Healthcare Company | $52.11 | 2 |
| La Jolla Pharmaceutical Company | $29.02 | 1 |
| Shionogi Inc | $28.94 | 1 |
What the 2025 payments were for
- Food and Beverage$387.93 · 20 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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