Yee Chuan Ang, M.D.
NPI 1104138668ActiveIndividual· Internal Medicine· Billings, MT
Internal Medicine (M.D.) in Billings, Montana, licensed in MA, with an NPI issued in July 2010. Part D covered 12 prescriptions written in 2024, 100% of them generic.
Overview
| NPI | 1104138668 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 12, 2010 |
| Last updated in NPPES | Apr 23, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 245012 | MA |
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) | Not in the public enrollment file of Oct 1, 2026 |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 12 · 12 30-day fills |
|---|---|
| Total drug cost | $145.78 |
| Generic share | 100% of claims |
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine providers in Billings
- 1871548289
- 1356516678
- 1952998817
- 1437013356
- 1487133963
- 1578199311
- 1386814465
- 1467641266
- 1548731151
- 1972179745
- 1558475954
- 1689891806