Jonathan Tam, MD
NPI 1619133600ActiveIndividual· Allergy & Immunology, Allergy· Los Angeles, CA
Allergy & Immunology, Allergy (MD) with Childrens Hospital Los Angeles Medical Group Inc, practicing in Los Angeles, California. Part D covered 12 prescriptions written in 2024. Ars Pharmaceuticals Operations, Inc. was the largest of 3 companies reporting payments in 2025, $27,262 in all, mostly speaking and faculty fees. Lists Children's Hosp of Los Angeles as a hospital affiliation.
Overview
| NPI | 1619133600 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 30, 2008 |
| Last updated in NPPES | Jun 17, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Allergy & Immunology, Allergy Primary | 207KA0200X | A125923 | CA |
| Pediatrics | 208000000X | 125-052818 | IL |
| Pediatrics | 208000000X | 54495 | WI |
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 - Allergy/Immunology (CA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 12 · 24 30-day fills |
|---|---|
| Total drug cost | $805.56 |
Education and affiliations
| Graduation year | 2007 |
|---|---|
| Medicare specialty | Allergy/Immunology |
Medical group
- Childrens Hospital Los Angeles Medical Group IncLos Angeles, CA · 295 clinicians
Hospital affiliation
- Children's Hosp of Los AngelesLos Angeles, CA
Industry payments (Open Payments)
- 2025$27,262 · 20 payments from 3 companies
- 2024$3,572 · 6 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ars Pharmaceuticals Operations, Inc. | $21,948 | 15 |
| Csl Behring | $5,221 | 4 |
| Genentech USA, Inc. | $93.21 | 1 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$18,600 · 5 payments
- Consulting Fee$5,033 · 1 payment
- Travel and Lodging$2,907 · 6 payments
- Food and Beverage$722.83 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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