Merry Lynn Tetef, M.D.
NPI 1194784785ActiveIndividual· Internal Medicine, Hematology & Oncology· Laguna Hills, CA
Internal Medicine, Hematology & Oncology (M.D.) in Laguna Hills, California, licensed in CA, with an NPI issued in March 2006. In 2024 Medicare paid $918,849 for 541 patients, and Part D covered 270 of their prescriptions, 77% of them generic.
Overview
| NPI | 1194784785 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 21, 2006 |
| Last updated in NPPES | May 14, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | G64196 | 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 |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 541 |
|---|---|
| Services billed | 59,821 across 85 procedure codes |
| Paid by Medicare | $918,849 |
Part D prescriptions in 2024
| Prescriptions (claims) | 270 · 577 30-day fills |
|---|---|
| Patients | 117 |
| Total drug cost | $824,099 |
| Generic share | 77% of claims |
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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