Wendy Gu, M.D.
NPI 1740579994ActiveIndividual· Internal Medicine· Hacienda Heights, CA
Internal Medicine (M.D.) with Colima Medical Clinic PC, practicing in Hacienda Heights, California. Their prescriptions cost Medicare Part D more than their services did: $706,567 for 8,318 claims, against $140,146 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 15 companies reporting payments in 2025, $1,648 in all, mostly food and beverage. Lists Pih Health Hospital-Whittier and 1 other hospital as hospital affiliations.
Overview
| NPI | 1740579994 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 28, 2011 |
| Last updated in NPPES | Apr 20, 2021 |
| Certified by provider | Apr 20, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A124115 | 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 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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 302 |
|---|---|
| Services billed | 3,287 across 29 procedure codes |
| Paid by Medicare | $140,146 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,318 · 21,555 30-day fills |
|---|---|
| Patients | 768 |
| Total drug cost | $706,567 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Colima Medical Clinic PCHacienda Heights, CA · 5 clinicians
Hospital affiliations
- Pih Health Hospital-WhittierWhittier, CA
- Providence St. Jude Medical CenterFullerton, CA
Other facilities
- Angelicare Home Health IncHome health agency · Chino, CA
Industry payments (Open Payments)
- 2025$1,648 · 60 payments from 15 companies
- 2024$1,731 · 78 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $469.36 | 17 |
| Amgen Inc. | $351.26 | 10 |
| Novo Nordisk Inc | $153.26 | 9 |
| Abbvie Inc. | $123.89 | 1 |
| Lilly USA, LLC | $96.75 | 4 |
What the 2025 payments were for
- Food and Beverage$1,648 · 60 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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