Chao-I Lin, MD
NPI 1588779631ActiveIndividual· Allergy & Immunology· Orange, CA
Allergy & Immunology (MD) with Allergy Partners of California Inc, practicing in Orange, California. In 2024 Medicare paid $54,606 for 99 patients, and Part D covered 203 of their prescriptions, 60% of them generic. Leo Pharma Inc. was the largest of 18 companies reporting payments in 2025, $1,995 in all, mostly food and beverage.
Overview
| NPI | 1588779631 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 20, 2006 |
| Last updated in NPPES | Dec 14, 2023 |
| Certified by provider | Dec 14, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Allergy & Immunology Primary | 207K00000X | A45786 | 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 - Allergy/Immunology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 99 |
|---|---|
| Services billed | 3,807 across 21 procedure codes |
| Paid by Medicare | $54,606 |
Part D prescriptions in 2024
| Prescriptions (claims) | 203 · 373 30-day fills |
|---|---|
| Patients | 54 |
| Total drug cost | $54,684 |
| Generic share | 60% of claims |
Education and affiliations
| Graduation year | 1982 |
|---|---|
| Medicare specialty | Allergy/Immunology |
Medical group
- Allergy Partners of California IncPismo Beach, CA · 12 clinicians
Industry payments (Open Payments)
- 2025$1,995 · 84 payments from 18 companies
- 2024$2,129 · 101 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Leo Pharma Inc. | $262.84 | 8 |
| Glaxosmithkline, LLC. | $227.62 | 13 |
| Takeda Pharmaceuticals U.S.A., Inc. | $216.58 | 7 |
| Novartis Pharmaceuticals Corporation | $180.63 | 7 |
| Grifols USA, LLC | $174.53 | 5 |
What the 2025 payments were for
- Food and Beverage$1,961 · 83 payments
- Education$34.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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