Hagop V. Karpanian, M.D.
NPI 1164534103ActiveIndividual· Anesthesiology· Thousand Oaks, CA
Anesthesiology (M.D.) in Thousand Oaks, California, trained at Medical College of Wisconsin (class of 2004). Medicare paid $67,701 for services to 271 patients in 2024. Boston Scientific Corporation reported $52.54 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1164534103 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 31, 2006 |
| Last updated in NPPES | Mar 30, 2022 |
| Certified by provider | Mar 30, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | A101692 | CA |
| Anesthesiology | 207L00000X | ML20008377 | WA |
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 - Anesthesiology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 271 |
|---|---|
| Services billed | 381 across 69 procedure codes |
| Paid by Medicare | $67,701 |
Education and affiliations
| Medical school | Medical College of Wisconsin |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Anesthesiology |
Medical group
- Conejo Los Robles Anesthesiology Medical Group IncThousand Oaks, CA · 29 clinicians
Hospital affiliation
- Los Robles Hospital & Medical CenterThousand Oaks, CA
Industry payments (Open Payments)
- 2025$52.54 · 2 payments from 1 company
- 2024$158.62 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $52.54 | 2 |
What the 2025 payments were for
- Food and Beverage$52.54 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 75 anesthesiologists in Thousand Oaks · All anesthesiologists in California