Tin Tun, MD
NPI 1629001698ActiveIndividual· Internal Medicine· Hemet, CA
Internal Medicine (MD) in Hemet, California, licensed in CA, with an NPI issued in July 2006. Their prescriptions cost Medicare Part D more than their services did: $91,946 for 1,392 claims, against $554.79 paid for services in 2024. Regeneron Healthcare Solutions, Inc. was the largest of 2 companies reporting payments in 2025, $36.07 in all, mostly food and beverage.
Overview
| NPI | 1629001698 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jul 10, 2006 |
| Last updated in NPPES | Dec 13, 2021 |
| Certified by provider | Dec 13, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A51476 | CA |
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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 17 |
|---|---|
| Services billed | 25 across 9 procedure codes |
| Paid by Medicare | $554.79 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,392 · 2,839 30-day fills |
|---|---|
| Patients | 261 |
| Total drug cost | $91,946 |
| Generic share | 86% of claims |
Industry payments (Open Payments)
- 2025$36.07 · 2 payments from 2 companies
- 2024$15.40 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Regeneron Healthcare Solutions, Inc. | $20.82 | 1 |
| Organon LLC | $15.25 | 1 |
What the 2025 payments were for
- Food and Beverage$36.07 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 68 internal medicine physicians in Hemet · All internal medicine physicians in California