Tamar Meszaros, M.D.
NPI 1518150192ActiveIndividual· Internal Medicine· Beverly Hills, CA
Opted out of Medicare from February 2026 to February 2028. Internal Medicine (M.D.) in Beverly Hills, California, trained at Georgetown University School of Medicine (class of 2004). Their prescriptions cost Medicare Part D more than their services did: $170,526 for 2,746 claims, against $30,286 paid for services in 2024.
Overview
| NPI | 1518150192 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 27, 2007 |
| Last updated in NPPES | Mar 17, 2026 |
| Certified by provider | Mar 17, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A100306 | 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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Opt-out | Opted out Feb 8, 2026 – Feb 8, 2028 |
| Can order and refer | Yes |
| Accepts assignment | Yes (participating) |
During an opt-out period the provider sees Medicare patients only under private contracts, and Medicare does not pay claims for their services.
Medicare services in 2024
| Medicare patients | 183 |
|---|---|
| Services billed | 772 across 42 procedure codes |
| Paid by Medicare | $30,286 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,746 · 6,729 30-day fills |
|---|---|
| Patients | 331 |
| Total drug cost | $170,526 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Georgetown University School of Medicine |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Internal Medicine |
Hospital affiliation
- Cedars-Sinai Medical CenterLos Angeles, CA
Other facilities
- Assisted Home CareHome health agency · Los Angeles, CA
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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All 240 internal medicine physicians in Beverly Hills · All internal medicine physicians in California