Mathias Masem, M.D.
NPI 1457371643ActiveOrganization· Specialist· Oakland, CA
Specialist in Oakland, California, registered in NPPES in July 2006. The authorized official on file is Mathias Masem, M.D., Sole Practioner. Enrolled in Medicare as dme supplier - physician - general practice and part b supplier - clinic/group practice.
Overview
| NPI | 1457371643 |
|---|---|
| Status | Active |
| Entity type | Organization |
| NPI issued | Jul 20, 2006 |
| Last updated in NPPES | Aug 22, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | G34134 | CA |
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 DME Supplier - Physician - General Practice (CA); Part B Supplier - Clinic/Group Practice (CA) |
|---|
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