Venkat Raghav Aachi, MD
NPI 1740640051ActiveIndividual· Psychiatry & Neurology, Neurology· Thousand Oaks, CA
Psychiatry & Neurology, Neurology (MD) with Vascular Neurology of Southern California Inc, practicing in Thousand Oaks, California. 1,025 Medicare patients in 2024, $273,533 paid; nearly all of their 172 Part D prescriptions were generic (91%). Penumbra, Inc. was the largest of 6 companies reporting payments in 2025, $369.87 in all, mostly food and beverage. Lists Adventist Health Simi Valley and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1740640051 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Feb 29, 2016 |
| Last updated in NPPES | Aug 5, 2020 |
| Certified by provider | Aug 5, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | A155273 | CA |
| Psychiatry & Neurology, Vascular Neurology | 2084V0102X | A155273 | 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 Practitioner - Neurosurgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,025 |
|---|---|
| Services billed | 2,499 across 19 procedure codes |
| Paid by Medicare | $273,533 |
Part D prescriptions in 2024
| Prescriptions (claims) | 172 · 260 30-day fills |
|---|---|
| Patients | 42 |
| Total drug cost | $12,302 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | Neurosurgery |
| Secondary specialties | Vascular Surgery |
| Telehealth | Offers telehealth |
Medical group
- Vascular Neurology of Southern California IncThousand Oaks, CA · 8 clinicians
Hospital affiliations
- Adventist Health Simi ValleySimi Valley, CA
- Indiana University Health Ball Memorial HospitalMuncie, IN
- Los Robles Hospital & Medical CenterThousand Oaks, CA
- Ronald Reagan UCLA Medical CenterLos Angeles, CA
- UCLA West Valley Medical CenterWest Hills, CA
Industry payments (Open Payments)
- 2025$369.87 · 11 payments from 6 companies
- 2024$223.52 · 4 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Penumbra, Inc. | $100.78 | 1 |
| Abbvie Inc. | $74.42 | 3 |
| Ucb, Inc. | $73.86 | 2 |
| Neurelis, Inc. | $58.68 | 3 |
| Neurocrine Biosciences, Inc. | $35.63 | 1 |
What the 2025 payments were for
- Food and Beverage$369.87 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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