Thomas Wan Chong, MD
NPI 1912484148ActiveIndividual· Family Medicine· La Puente, CA
Family Medicine (MD) with Iaso Medical Professional Group, practicing in La Puente, California. Part D covered 443 prescriptions written in 2024, 80% of them generic. Gilead Sciences, Inc. was the largest of 7 companies reporting payments in 2025, $597.49 in all, mostly food and beverage.
Overview
| NPI | 1912484148 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 20, 2018 |
| Last updated in NPPES | Sep 15, 2025 |
| Certified by provider | Sep 15, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | A165528 | 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 - Family Practice (CA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 443 · 831 30-day fills |
|---|---|
| Patients | 47 |
| Total drug cost | $44,872 |
| Generic share | 80% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Iaso Medical Professional GroupGlendale, CA · 4 clinicians
Other facilities
- Care Home Health IncHome health agency · Sun Valley, CA
- Hde Home Health Care IncHome health agency · Glendale, CA
- Health for All in Home Care ServicesHome health agency · Burbank, CA
- Serene Home Health, IncHome health agency · Van Nuys, CA
- The Elderly Care Home Health, Inc.Home health agency · Los Angeles, CA
Industry payments (Open Payments)
- 2025$597.49 · 23 payments from 7 companies
- 2024$125.00 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $220.74 | 8 |
| Exact Sciences Corporation | $145.38 | 7 |
| Lilly USA, LLC | $71.53 | 1 |
| Redhill Biopharma Inc. | $58.85 | 2 |
| Glaxosmithkline, LLC. | $42.50 | 2 |
What the 2025 payments were for
- Food and Beverage$597.49 · 23 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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