Walavan Sivakumar, M.D.
NPI 1952627911ActiveIndividual· Neurological Surgery· Torrance, CA
Neurological Surgery (M.D.) in Torrance, California, trained at University of Southern California Keck School of Medicine (class of 2010). Mostly services rather than prescriptions: Medicare paid $204,633 for 433 patients in 2024, with only 30 Part D claims. Stryker Corporation was the largest of 9 companies reporting payments in 2025, $60,997 in all, mostly consulting fees.
Overview
| NPI | 1952627911 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 15, 2010 |
| Last updated in NPPES | Apr 20, 2021 |
| Certified by provider | Apr 20, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Neurological Surgery Primary | 207T00000X | A135375 | 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 | 433 |
|---|---|
| Services billed | 1,099 across 52 procedure codes |
| Paid by Medicare | $204,633 |
Part D prescriptions in 2024
| Prescriptions (claims) | 30 · 35 30-day fills |
|---|---|
| Patients | 18 |
| Total drug cost | $199.77 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | University of Southern California Keck School of Medicine |
|---|---|
| Graduation year | 2010 |
| Medicare specialty | Neurosurgery |
| Telehealth | Offers telehealth |
Medical group
- Providence Saint Johns Medical FoundationSanta Monica, CA · 281 clinicians
Hospital affiliations
- Providence Little Co of Mary Med Ctr San PedroSan Pedro, CA
- Providence Little Company of Mary Med Ctr TorranceTorrance, CA
Other facilities
- Providence Home Health la County SouthHome health agency · Torrance, CA
Industry payments (Open Payments)
- 2025$60,997 · 72 payments from 9 companies
- 2024$10,582 · 31 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stryker Corporation | $59,847 | 61 |
| Bioventus LLC | $725.00 | 1 |
| Monteris Medical Corporation | $118.66 | 1 |
| Karl Storz Endoscopy-America | $92.25 | 1 |
| Springworks Therapeutics, Inc. | $75.49 | 2 |
What the 2025 payments were for
- Consulting Fee$49,100 · 14 payments
- Travel and Lodging$10,396 · 23 payments
- Food and Beverage$1,501 · 35 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Neurological Surgery providers in Torrance
- 1043413438
- 1811262009
- 1902047228
- 1093169393
- 1104141647
- 1700828704
- 1760845044