Irene J. Tan, M.D.
NPI 1083684500ActiveIndividual· Internal Medicine, Rheumatology· Philadelphia, PA
Internal Medicine, Rheumatology (M.D.) in Philadelphia, Pennsylvania, trained at State University of New York Downstate Medical Center (class of 1994). Their prescriptions cost Medicare Part D more than their services did: $2,140,658 for 846 claims, against $22,097 paid for services in 2024. Aurinia Pharma U.S., Inc. reported $46.42 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1083684500 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jan 26, 2006 |
| Last updated in NPPES | Nov 6, 2020 |
| Certified by provider | Nov 6, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | MD445427 | PA |
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 - Rheumatology (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 97 |
|---|---|
| Services billed | 329 across 20 procedure codes |
| Paid by Medicare | $22,097 |
Part D prescriptions in 2024
| Prescriptions (claims) | 846 · 1,457 30-day fills |
|---|---|
| Patients | 138 |
| Total drug cost | $2,140,658 |
| Generic share | 64% of claims |
Education and affiliations
| Medical school | State University of New York Downstate Medical Center |
|---|---|
| Graduation year | 1994 |
| Medicare specialty | Rheumatology |
| Telehealth | Offers telehealth |
Medical group
- Einstein Practice Plan IncElkins Park, PA · 794 clinicians
Hospital affiliation
- Jefferson Einstein Philadelphia HospitalPhiladelphia, PA
Industry payments (Open Payments)
- 2025$46.42 · 1 payment from 1 company
- 2024$750.12 · 4 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Aurinia Pharma U.S., Inc. | $46.42 | 1 |
What the 2025 payments were for
- Food and Beverage$46.42 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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