Harold Hsu, M.D.
NPI 1770508111ActiveIndividual· Internal Medicine· Rosemead, CA
Internal Medicine (M.D.) in Rosemead, California, licensed in CA, with an NPI issued in July 2006. Their prescriptions cost Medicare Part D more than their services did: $4,603,703 for 50,462 claims, against $133,190 paid for services in 2024. Novo Nordisk Inc was the largest of 5 companies reporting payments in 2025, $147.24 in all, mostly food and beverage. Lists Garfield Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1770508111 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 13, 2006 |
| Last updated in NPPES | Feb 27, 2020 |
| Certified by provider | Feb 27, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A 51859 | 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 | 290 |
|---|---|
| Services billed | 2,165 across 23 procedure codes |
| Paid by Medicare | $133,190 |
Part D prescriptions in 2024
| Prescriptions (claims) | 50,462 · 59,352 30-day fills |
|---|---|
| Patients | 848 |
| Total drug cost | $4,603,703 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 1982 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliations
- Garfield Medical CenterMonterey Park, CA
- San Gabriel Valley Medical CenterSan Gabriel, CA
Other facilities
- Happy Home Health ServicesHome health agency · Arcadia, CA
- Del Mar Convalescent HospitalNursing home · Rosemead, CA
- Heritage ManorNursing home · Monterey Park, CA
- Monterey Park Conv HospNursing home · Monterey Park, CA
- Santa Anita Convalescent HospitalNursing home · Temple City, CA
Industry payments (Open Payments)
- 2025$147.24 · 6 payments from 5 companies
- 2024$105.79 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $45.57 | 2 |
| Glaxosmithkline, LLC. | $28.50 | 1 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $27.86 | 1 |
| Lilly USA, LLC | $25.44 | 1 |
| Abbvie Inc. | $19.87 | 1 |
What the 2025 payments were for
- Food and Beverage$118.74 · 5 payments
- Education$28.50 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine providers in Rosemead
- 1154110633
- 1558766600
- 1013219807
- 1669775763
- 1407074578
- 1194241521
- 1669216669
- 1831153659
- 1225387137
- 1356384408
- 1013070234
- 1720251929