Lynnette Tatosyan, MD
NPI 1609924620ActiveIndividual· Internal Medicine· Panorama City, CA
Internal Medicine (MD) with Southern California Permanente Medical Group, practicing in Panorama City, California. Their prescriptions cost Medicare Part D more than their services did: $315,166 for 1,023 claims, against $2,375 paid for services in 2024. Arcutis Biotherapeutics, Inc. was the largest of 3 companies reporting payments in 2025, $470.84 in all, mostly food and beverage. Lists Kaiser Foundation Hospital - Los Angeles as a hospital affiliation.
Overview
| NPI | 1609924620 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 8, 2007 |
| Last updated in NPPES | Dec 3, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 20A8913 | 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 - Rheumatology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 11 |
|---|---|
| Services billed | 32 across 9 procedure codes |
| Paid by Medicare | $2,375 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,023 · 2,320 30-day fills |
|---|---|
| Patients | 241 |
| Total drug cost | $315,166 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 2003 |
|---|---|
| Medicare specialty | Rheumatology |
Medical group
- Southern California Permanente Medical GroupRedlands, CA · 11,293 clinicians
Hospital affiliation
- Kaiser Foundation Hospital - Los AngelesLos Angeles, CA
Industry payments (Open Payments)
- 2025$470.84 · 5 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Arcutis Biotherapeutics, Inc. | $223.31 | 2 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $148.67 | 1 |
| Janssen Biotech, Inc. | $98.86 | 2 |
What the 2025 payments were for
- Food and Beverage$470.84 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 122 internal medicine physicians in Panorama City · All internal medicine physicians in California