Pei-Chi Wu, D.O.
NPI 1669706453ActiveIndividual· Family Medicine· Diamond Bar, CA
Family Medicine (D.O.) in Diamond Bar, California, trained at Western University of Health Sciences College of Dental Med (class of 2008). Their prescriptions cost Medicare Part D more than their services did: $417,273 for 4,310 claims, against $12,710 paid for services in 2024. Otsuka America Pharmaceutical, Inc. was the largest of 4 companies reporting payments in 2025, $220.52 in all, mostly food and beverage.
Overview
| NPI | 1669706453 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | Yes |
| NPI issued | Sep 25, 2009 |
| Last updated in NPPES | Feb 23, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 20A10934 | 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 - Family Practice (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 53 |
|---|---|
| Services billed | 202 across 18 procedure codes |
| Paid by Medicare | $12,710 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,310 · 9,295 30-day fills |
|---|---|
| Patients | 331 |
| Total drug cost | $417,273 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Western University of Health Sciences College of Dental Med |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Family Practice |
| Secondary specialties | Osteopathic Manipulative Medicine |
| Telehealth | Offers telehealth |
Other facilities
- Advent Healthcare Services, IncHome health agency · Diamond Bar, CA
- Calm Care, IncHospice · Buena Park, CA
- Quality Hospice Care, IncHospice · Diamond Bar, CA
Industry payments (Open Payments)
- 2025$220.52 · 6 payments from 4 companies
- 2024$357.23 · 9 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Otsuka America Pharmaceutical, Inc. | $125.00 | 1 |
| Exact Sciences Corporation | $38.04 | 2 |
| Amgen Inc. | $35.35 | 2 |
| Gilead Sciences, Inc. | $22.13 | 1 |
What the 2025 payments were for
- Food and Beverage$220.52 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 40 family medicine physicians in Diamond Bar · All family medicine physicians in California