Calvin Chih-Chia Wu, M.D.
NPI 1659646891ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Glendale, CA
Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) in Glendale, California, licensed in CA, with an NPI issued in March 2012. Part D covered 49 prescriptions written in 2024. Novo Nordisk Inc reported $56.15 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1659646891 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Mar 21, 2012 |
| Last updated in NPPES | Oct 26, 2026 |
| Certified by provider | Oct 26, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | A122403 | 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 - Endocrinology (CA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 49 · 103 30-day fills |
|---|---|
| Patients | 13 |
| Total drug cost | $26,898 |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Endocrinology |
| Telehealth | Offers telehealth |
Industry payments (Open Payments)
- 2024$56.15 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $56.15 | 1 |
What the 2024 payments were for
- Food and Beverage$56.15 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 15 endocrinologists in Glendale · All endocrinologists in California