Lorena Margarita Layrisse Landaeta, M.D.
NPI 1538589965ActiveIndividual· Internal Medicine· Rolling Hills Estates, CA
Internal Medicine (M.D.) in Rolling Hills Estates, California, trained at University of Puerto Rico School of Medicine (class of 2014). Their prescriptions cost Medicare Part D more than their services did: $333,129 for 5,370 claims, against $156,254 paid for services in 2024. Gilead Sciences, Inc. was the largest of 12 companies reporting payments in 2025, $638.25 in all, mostly food and beverage.
Overview
| NPI | 1538589965 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 24, 2014 |
| Last updated in NPPES | Jan 16, 2024 |
| Certified by provider | Jan 16, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A172202 | CA |
| Internal Medicine, Geriatric Medicine | 207RG0300X | A172202 | CA |
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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 424 |
|---|---|
| Services billed | 1,846 across 62 procedure codes |
| Paid by Medicare | $156,254 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,370 · 11,771 30-day fills |
|---|---|
| Patients | 568 |
| Total drug cost | $333,129 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | University of Puerto Rico School of Medicine |
|---|---|
| Graduation year | 2014 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Geriatric Medicine |
| Telehealth | Offers telehealth |
Medical group
- Torrance Health Association IncRedondo Beach, CA · 299 clinicians
Hospital affiliation
- Torrance Memorial Medical CenterTorrance, CA
Other facilities
- Heralds Home HealthHome health agency · Cerritos, CA
- Home Health Care DynastyHome health agency · Sherman Oaks, CA
- La Vida Home Health, Inc.Home health agency · Burbank, CA
- Providence Home Health la County SouthHome health agency · Torrance, CA
- Torrance Memorial Home HealthHome health agency · Torrance, CA
- Salus HospiceHospice · Irvine, CA
Industry payments (Open Payments)
- 2025$638.25 · 24 payments from 12 companies
- 2024$471.20 · 20 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $120.36 | 1 |
| Glaxosmithkline, LLC. | $106.87 | 4 |
| Pfizer Inc. | $84.29 | 4 |
| Exact Sciences Corporation | $48.39 | 3 |
| Bayer Healthcare Pharmaceuticals Inc. | $46.52 | 2 |
What the 2025 payments were for
- Food and Beverage$638.25 · 24 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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