Luis Rey Gasca, MD
NPI 1740920784ActiveIndividual· Internal Medicine, Sleep Medicine· Stanford, CA
Internal Medicine, Sleep Medicine (MD) in Stanford, California, licensed in CA, with an NPI issued in March 2022. Their prescriptions cost Medicare Part D more than their services did: $38,376 for 257 claims, against $3,800 paid for services in 2024. Inspire Medical Systems, Inc. was the largest of 2 companies reporting payments in 2025, $456.73 in all, mostly travel and lodging.
Overview
| NPI | 1740920784 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 29, 2022 |
| Last updated in NPPES | Sep 28, 2026 |
| Certified by provider | Sep 28, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Sleep Medicine Primary | 207RS0012X | A202105 | CA |
| Internal Medicine | 207R00000X | A202105 | CA |
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 - Sleep Medicine (CA); Practitioner - Internal Medicine (MN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 26 |
|---|---|
| Services billed | 48 across 15 procedure codes |
| Paid by Medicare | $3,800 |
Part D prescriptions in 2024
| Prescriptions (claims) | 257 · 531 30-day fills |
|---|---|
| Patients | 45 |
| Total drug cost | $38,376 |
| Generic share | 75% of claims |
Industry payments (Open Payments)
- 2025$456.73 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Inspire Medical Systems, Inc. | $352.40 | 1 |
| Jazz Pharmaceuticals Inc. | $104.33 | 1 |
What the 2025 payments were for
- Travel and Lodging$352.40 · 1 payment
- Food and Beverage$104.33 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Sleep Medicine providers in Stanford
- 1841045705
- 1154853190
- 1023158730
- 1093255432
All Internal Medicine, Sleep Medicine providers in California →