Trixie Lorraine Cruz Pei, MD
NPI 1538664669ActiveIndividual· Internal Medicine, Nephrology· Napa, CA
Internal Medicine, Nephrology (MD) with Nagarathna G Manjappa M D Inc, practicing in Napa, California. In 2024 Medicare paid $188,362 for 460 patients, and Part D covered 814 of their prescriptions, 76% of them generic. Amgen Inc. was the largest of 6 companies reporting payments in 2025, $399.73 in all, mostly food and beverage. Lists Adventist Health Clearlake and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1538664669 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 29, 2018 |
| Last updated in NPPES | Jul 26, 2023 |
| Certified by provider | Jul 26, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | A184644 | CA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Nephrology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 460 |
|---|---|
| Services billed | 1,534 across 21 procedure codes |
| Paid by Medicare | $188,362 |
Part D prescriptions in 2024
| Prescriptions (claims) | 814 · 1,681 30-day fills |
|---|---|
| Patients | 189 |
| Total drug cost | $255,155 |
| Generic share | 76% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical group
- Nagarathna G Manjappa M D IncNapa, CA · 4 clinicians
Hospital affiliations
- Adventist Health ClearlakeClearlake, CA
- Adventist Health St HelenaSaint Helena, CA
- Adventist Health Ukiah ValleyUkiah, CA
- Providence Queen of the Valley Medical CenterNapa, CA
- Sonoma Valley HospitalSonoma, CA
Other facilities
- Usrc Napa DialysisDialysis facility · Napa, CA
Industry payments (Open Payments)
- 2025$399.73 · 14 payments from 6 companies
- 2024$728.35 · 29 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $192.32 | 5 |
| Novartis Pharmaceuticals Corporation | $91.42 | 4 |
| Lilly USA, LLC | $40.11 | 2 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $29.39 | 1 |
| Mallinckrodt Hospital Products Inc. | $25.34 | 1 |
What the 2025 payments were for
- Food and Beverage$399.73 · 14 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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