Raynald A. Samoa
NPI 1629194048ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Duarte, CA
Internal Medicine, Endocrinology, Diabetes & Metabolism in Duarte, California, trained at University of Washington School of Medicine (class of 1999). Their prescriptions cost Medicare Part D more than their services did: $820,730 for 2,593 claims, against $80,333 paid for services in 2024. Henry Schein, Inc. was the largest of 3 companies reporting payments in 2025, $675.22 in all, mostly compensation for serving as faculty or as a speaker for a me.
Overview
| NPI | 1629194048 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Mar 21, 2007 |
| Last updated in NPPES | Dec 4, 2020 |
| Certified by provider | Dec 4, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | A74927 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Endocrinology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 490 |
|---|---|
| Services billed | 979 across 14 procedure codes |
| Paid by Medicare | $80,333 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,593 · 4,873 30-day fills |
|---|---|
| Patients | 276 |
| Total drug cost | $820,730 |
| Generic share | 52% of claims |
Education and affiliations
| Medical school | University of Washington School of Medicine |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Endocrinology |
| Secondary specialties | Pediatric Medicine |
| Telehealth | Offers telehealth |
Medical group
- City of Hope Medical FoundationDuarte, CA · 982 clinicians
Hospital affiliations
- Casa Colina HospitalPomona, CA
- Keck Hospital of UscLos Angeles, CA
- San Antonio Regional HospitalUpland, CA
Industry payments (Open Payments)
- 2025$675.22 · 6 payments from 3 companies
- 2024$183.50 · 12 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Henry Schein, Inc. | $500.00 | 1 |
| Abbott Laboratories | $101.97 | 1 |
| Dexcom, Inc. | $73.25 | 4 |
What the 2025 payments were for
- Compensation for serving as faculty or as a speaker for a medical education program$500.00 · 1 payment
- Food and Beverage$175.22 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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