Walavan Sivakumar, M.D.
NPI 1952627911 · Neurological Surgery Physician · Torrance, CA
Enrolled with Medicare as Practitioner - Neurosurgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Walavan Sivakumar, M.D. is a Neurological Surgery Physician provider in Torrance, CA (NPI 1952627911).
Provider details
- NPI number
- 1952627911
- Entity type
- Individual
- Primary specialty
- Neurological Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A135375 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
16 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
995 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 377 | $139 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 153 | $123 |
| Critical Care, First 30-74 Minutes99291 | 137 | $217 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 60 | $234 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 44 | $180 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$10,582 across 31 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 4201 Torrance Blvd Ste 520Torrance, CA 90503-4525Phone: (424) 212-5361Fax: (310) 316-3466
Registry dates
- Enumerated
- 2010-04-15
- Last updated
- 2021-04-20
- Certified
- 2021-04-20
Frequently asked questions
- What is Walavan Sivakumar's NPI number?
- Walavan Sivakumar's National Provider Identifier (NPI) is 1952627911, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Walavan Sivakumar's specialty?
- Walavan Sivakumar is listed in the NPPES registry with a primary specialty of Neurological Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Walavan Sivakumar located?
- Walavan Sivakumar's practice location on file with NPPES is 5215 Torrance Blvd Ste 300, Torrance, CA 90503-4009.
- What is Walavan Sivakumar's phone number?
- The practice phone number listed in the NPPES registry for Walavan Sivakumar is (424) 212-5361.
- Does Walavan Sivakumar accept Medicare?
- Walavan Sivakumar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Walavan Sivakumar's NPI active?
- Yes — Walavan Sivakumar's NPI (1952627911) is active in the NPPES registry as of the last update on 2021-04-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.