Kelvin Chen, MD
NPI 1225387137ActiveIndividual· Internal Medicine· Rosemead, CA
Internal Medicine (MD) with Arcadia Hospitalist Medical Group Inc, practicing in Rosemead, California. In 2024 Medicare paid $85,035 for 541 patients, and Part D covered 972 of their prescriptions, 88% of them generic. Calyxo, Inc. was the largest of 2 companies reporting payments in 2025, $215.67 in all, mostly food and beverage. Lists Usc Arcadia Hospital as a hospital affiliation.
Overview
| NPI | 1225387137 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Sep 6, 2012 |
| Last updated in NPPES | May 1, 2025 |
| Certified by provider | May 1, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A 129170 | 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 | 541 |
|---|---|
| Services billed | 665 across 12 procedure codes |
| Paid by Medicare | $85,035 |
Part D prescriptions in 2024
| Prescriptions (claims) | 972 · 2,238 30-day fills |
|---|---|
| Patients | 53 |
| Total drug cost | $85,856 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2005 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Arcadia Hospitalist Medical Group IncArcadia, CA · 30 clinicians
Hospital affiliation
- Usc Arcadia HospitalArcadia, CA
Other facilities
- Happy Home Health ServicesHome health agency · Arcadia, CA
Industry payments (Open Payments)
- 2025$215.67 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Calyxo, Inc. | $200.46 | 1 |
| Abbvie Inc. | $15.21 | 1 |
What the 2025 payments were for
- Food and Beverage$215.67 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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