Tun Kyaw Oo
NPI 1477973865ActiveIndividual· Internal Medicine· Lancaster, CA
Internal Medicine with Southern California Permanente Medical Group, practicing in Lancaster, California. Their prescriptions cost Medicare Part D more than their services did: $153,153 for 3,995 claims, against $999.88 paid for services in 2024.
Overview
| NPI | 1477973865 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Apr 24, 2014 |
| Last updated in NPPES | Dec 8, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A147144 | 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 | 14 |
|---|---|
| Services billed | 22 across 9 procedure codes |
| Paid by Medicare | $999.88 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,995 · 10,061 30-day fills |
|---|---|
| Patients | 648 |
| Total drug cost | $153,153 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2009 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Southern California Permanente Medical GroupRedlands, CA · 11,293 clinicians
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 physicians in Lancaster
- 1144493131
- 1164713244
- 1255466835
- 1265590525
- 1346745262
- 1588655450
- 1639276140
- 1639277130
- 1669519765
- 1720199763
- 1760007116
- 1851401988
All 79 internal medicine physicians in Lancaster · All internal medicine physicians in California