Timothy Yo Wu, MD
NPI 1700375656ActiveIndividual· Internal Medicine· Montclair, CA
Internal Medicine (MD) with Inland Physicians Hospitalist Services and 1 other group, practicing in Montclair, California. Their prescriptions cost Medicare Part D more than their services did: $466,002 for 3,197 claims, against $80,622 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 6 companies reporting payments in 2025, $281.89 in all, mostly food and beverage. Lists Casa Colina Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1700375656 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 7, 2018 |
| Last updated in NPPES | Jul 25, 2022 |
| Certified by provider | Jul 14, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 125071848 | IL |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 | 213 |
|---|---|
| Services billed | 901 across 16 procedure codes |
| Paid by Medicare | $80,622 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,197 · 3,470 30-day fills |
|---|---|
| Patients | 475 |
| Total drug cost | $466,002 |
| Generic share | 78% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Hospitalist |
Medical groups
- Inland Physicians Hospitalist ServicesPomona, CA · 14 clinicians
- Inland Physicians Primary Care ServicesMontclair, CA · 8 clinicians
Hospital affiliations
- Casa Colina HospitalPomona, CA
- Chino Valley Medical CenterChino, CA
- Montclair Hospital Medical CenterMontclair, CA
- Pomona Valley Hospital Medical CenterPomona, CA
- San Antonio Regional HospitalUpland, CA
Other facilities
- Casa Colina Hosp for Rehab MedicineInpatient rehabilitation facility · Pomona, CA
- Inland Valley Care and Rehabilitation CenterNursing home · Pomona, CA
Industry payments (Open Payments)
- 2025$281.89 · 15 payments from 6 companies
- 2024$546.39 · 41 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $143.49 | 7 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $44.71 | 3 |
| Verona Pharma, Inc. | $35.00 | 2 |
| Incyte Corporation | $23.79 | 1 |
| United Therapeutics Corporation | $18.56 | 1 |
What the 2025 payments were for
- Food and Beverage$281.89 · 15 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 19 internal medicine physicians in Montclair · All internal medicine physicians in California