Ai-Yui M. Tan, M.D.
NPI 1538503339ActiveIndividual· Internal Medicine, Pulmonary Disease· Marina Del Rey, CA
Internal Medicine, Pulmonary Disease (M.D.) with Cedars-Sinai Medical Care Foundation and 1 other group, practicing in Marina Del Rey, California. Mostly services rather than prescriptions: Medicare paid $71,088 for 201 patients in 2024, with only 13 Part D claims. Olympus America Inc. was the largest of 4 companies reporting payments in 2025, $507.29 in all, mostly food and beverage. Lists Cedar-Sinai Marina del Rey Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1538503339 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 23, 2013 |
| Last updated in NPPES | Nov 18, 2022 |
| Certified by provider | Nov 18, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | A182797 | CA |
| Internal Medicine, Pulmonary Disease | 207RP1001X | 036140463 | IL |
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 - Pulmonary Disease (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 201 |
|---|---|
| Services billed | 645 across 49 procedure codes |
| Paid by Medicare | $71,088 |
Part D prescriptions in 2024
| Prescriptions (claims) | 13 · 14 30-day fills |
|---|---|
| Total drug cost | $682.72 |
Education and affiliations
| Graduation year | 2010 |
|---|---|
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Critical Care (Intensivists) |
| Telehealth | Offers telehealth |
Medical groups
- Cedars-Sinai Medical Care FoundationWest Hollywood, CA · 1,692 clinicians
- Cedars-Sinai Medical CenterWest Hollywood, CA · 799 clinicians
Hospital affiliations
- Cedar-Sinai Marina del Rey HospitalMarina Del Rey, CA
- Cedars-Sinai Medical CenterLos Angeles, CA
Industry payments (Open Payments)
- 2025$507.29 · 6 payments from 4 companies
- 2024$523.72 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Olympus America Inc. | $208.17 | 3 |
| Steris Corporation | $138.65 | 1 |
| Vapotherm Inc | $99.09 | 1 |
| Pulmonx Corporation | $61.38 | 1 |
What the 2025 payments were for
- Food and Beverage$507.29 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Pulmonary Disease providers in Marina Del Rey
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