Moe Oo Zaw, M.D
NPI 1255330106ActiveIndividual· Internal Medicine· Houston, TX
Internal Medicine (M.D) with Legacy Healthcare Services Inc and 1 other group, practicing in Houston, Texas. Their prescriptions cost Medicare Part D more than their services did: $298,838 for 4,166 claims, against $152,149 paid for services in 2024.
Overview
| NPI | 1255330106 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D |
| Sole proprietor | No |
| NPI issued | Jul 21, 2005 |
| Last updated in NPPES | Mar 14, 2021 |
| Certified by provider | Mar 14, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | K6431 | TX |
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) | Enrolled Practitioner - Internal Medicine (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 638 |
|---|---|
| Services billed | 1,473 across 11 procedure codes |
| Paid by Medicare | $152,149 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,166 · 4,694 30-day fills |
|---|---|
| Patients | 277 |
| Total drug cost | $298,838 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 1991 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical groups
- Legacy Healthcare Services IncGreenville, SC · 3,223 clinicians
- Collaborative Geriatrics IncKaty, TX · 46 clinicians
Other facilities
- Beyondfaith Homecare & Rehab of HoustonHome health agency · Richmond, TX
- Steadfast Home Companion Services IncHome health agency · Houston, TX
- Faith Community Hospice LLCHospice · Baytown, TX
- Living Hope HospiceHospice · Houston, TX
- Copperfield Healthcare and RehabilitationNursing home · Houston, TX
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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