Rungwasee Rattanavich
NPI 1316292931ActiveIndividual· Internal Medicine, Nephrology· Loma Linda, CA
Internal Medicine, Nephrology with Faculty Physicians and Surgeons of Llusm, practicing in Loma Linda, California. Their prescriptions cost Medicare Part D more than their services did: $464,606 for 1,528 claims, against $81,683 paid for services in 2024. Mallinckrodt Hospital Products Inc. was the largest of 11 companies reporting payments in 2025, $1,491 in all, mostly food and beverage. Lists Loma Linda University Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1316292931 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Jul 19, 2012 |
| Last updated in NPPES | Jan 14, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | A157364 | CA |
| Internal Medicine | 207R00000X | A157364 | 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 - Nephrology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 250 |
|---|---|
| Services billed | 906 across 10 procedure codes |
| Paid by Medicare | $81,683 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,528 · 1,892 30-day fills |
|---|---|
| Patients | 240 |
| Total drug cost | $464,606 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2008 |
|---|---|
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical group
- Faculty Physicians and Surgeons of LlusmLoma Linda, CA · 1,315 clinicians
Hospital affiliations
- Loma Linda University Medical CenterLoma Linda, CA
- Loma Linda University Medical Center-MurrietaMurrieta, CA
Industry payments (Open Payments)
- 2025$1,491 · 42 payments from 11 companies
- 2024$800.21 · 25 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Mallinckrodt Hospital Products Inc. | $659.14 | 15 |
| Takeda Pharmaceuticals U.S.A., Inc. | $195.22 | 6 |
| Veloxis Pharmaceuticals, Inc. | $165.30 | 7 |
| Alexion Pharmaceuticals, Inc. | $124.99 | 1 |
| Sanofi-Aventis U.S. LLC | $103.67 | 3 |
What the 2025 payments were for
- Food and Beverage$1,421 · 41 payments
- Education$69.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 23 nephrologists in Loma Linda · All nephrologists in California