Larissa Marek Spheeris, FNP
NPI 1386247526ActiveIndividual· Nurse Practitioner, Family· Sugar Land, TX
Nurse Practitioner, Family (FNP) with Tmh Physician Associates PLLC and 1 other group, practicing in Sugar Land, Texas. Their prescriptions cost Medicare Part D more than their services did: $221,931 for 1,056 claims, against $36,921 paid for services in 2024. Abbvie Inc. was the largest of 22 companies reporting payments in 2025, $3,597 in all, mostly food and beverage. Lists Houston Methodist Clear Lake Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1386247526 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP |
| Sole proprietor | No |
| NPI issued | Nov 19, 2020 |
| Last updated in NPPES | Jun 25, 2024 |
| Certified by provider | Jun 17, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 1033658 | TX |
| Registered Nurse | 163W00000X | 832939 | 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 - Nurse Practitioner (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 211 |
|---|---|
| Services billed | 1,803 across 17 procedure codes |
| Paid by Medicare | $36,921 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,056 · 1,871 30-day fills |
|---|---|
| Patients | 264 |
| Total drug cost | $221,931 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| 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 Clear Lake HospitalNassau Bay, TX
- Houston Methodist HospitalHouston, TX
- Houston Methodist Sugarland HospitalSugar Land, TX
Industry payments (Open Payments)
- 2025$3,597 · 187 payments from 22 companies
- 2024$4,271 · 237 payments from 28 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $603.99 | 38 |
| Ucb, Inc. | $518.51 | 22 |
| Pfizer Inc. | $349.42 | 27 |
| Emd Serono, Inc. | $305.47 | 13 |
| Sk Life Science, Inc. | $294.82 | 10 |
What the 2025 payments were for
- Food and Beverage$3,597 · 187 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 249 family nurse practitioners in Sugar Land · All family nurse practitioners in Texas