NPPES file of Aug 9, 2026

Lakshmanan Sivasundaram

Sports Medicine (Orthopaedic Surgery) Physician · Simi Valley, CA

Lakshmanan Sivasundaram is a sports medicine (orthopaedic surgery) physician with a practice address in Simi Valley, California, and NPI 1245694462, issued on Apr 13, 2016. Check the license (California A175877, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1245694462
Name
Lakshmanan Sivasundaram
Primary taxonomy
Sports Medicine (Orthopaedic Surgery) Physician 207XX0005X
License number
A175877 CA
Self-reported in NPPES; status is on the state search
Practice location
2525 Erringer RD, Simi Valley, CA 93065
Phone
(805) 527-1404
Enumerated
Apr 13, 2016
Record last updated
Jan 20, 2026
Medicare enrollment
Enrolled (PECOS I20221128002271); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest sports medicine (orthopaedic surgery) physician records → All 384 in California → Look up another NPI →

Also registered at 2525 Erringer RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Zade Batarseh, PA-CPhysician Assistant1306493267
  2. Molly Breckley, PTPhysical Therapist1063784510
  3. Khristina Caldarelli, PA-CPhysician Assistant1811622301
  4. Daniel Davis, MDSports Medicine (Orthopaedic Surgery) Physician1730150830
  5. Michael Fealy, MDSurgery of the Hand (Plastic Surgery) Physician1669468872
  6. Gregg Hartman, M.D.Sports Medicine (Orthopaedic Surgery) Physician1336105238

Verify Lakshmanan Sivasundaram in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A175877    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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30% fewer Medicare Part D claims than the average sports medicine (orthopaedic surgery) physician in 2024

203 Medicare Part D claims for 120 beneficiaries, against an average of 288 among the 2,562 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 79 claims were for opioids.

  1. Lakshmanan Sivasundaram203
  2. Specialty average288

Most prescribed

  1. Oxycodone Hcl35 claims
  2. Tramadol Hcl35 claims
  3. Methylprednisolone27 claims
  4. Meloxicam26 claims
  5. Ondansetron Odt23 claims
  6. Ibuprofen13 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $1,883.94

24 payments; by number, the most common kind was food and beverage; the largest payer was Arthrex, Inc. The 2,400 providers of this specialty with any payment received $19,779.31 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Lakshmanan Sivasundaram$1,884
  2. Specialty average$19,779

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Ventura Orthopedics Medical Group IncSimi Valley, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Lakshmanan Sivasundaram among 384 sports medicine (orthopaedic surgery) physician records in California

Lakshmanan Sivasundaram is one of 384 sports medicine (orthopaedic surgery) physician records with a practice address in California. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 83% of them.

  • NPI issued2016 · 83% of these records are older, 12% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 76% of these records are
  • Graduated2016 · median 2003 among the 293 with a school on file
  • Record last updated2026 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207XX0005X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Sports Medicine (Orthopaedic Surgery) Physician providers in California

There are 384 sports medicine (orthopaedic surgery) physician records in California.

All 384 in California → Every provider in Simi Valley → Sports Medicine (Orthopaedic Surgery) Physician nationwide →

The 8 sports medicine (orthopaedic surgery) physician records with the nearest ZIP codes

  1. Daniel Davis, MDSimi Valley, CA 930651730150830
  2. Gregg Hartman, M.D.Simi Valley, CA 930651336105238
  3. David Culton, M.D.Somis, CA 930661285076356
  4. Thomas Wu, M.D.Oxnard, CA 930331568640720
  5. Mark Ghilarducci, M.D.Oxnard, CA 930301922063700
  6. Andrew Horn, MDOxnard, CA 930301497374128
  7. Amit Alexander-Nathani, MDSanta Barbara, CA 931011144583428
  8. James Bailey, M.D.Santa Barbara, CA 931051366602088

Common questions

What is Lakshmanan Sivasundaram's NPI number?

Lakshmanan Sivasundaram's National Provider Identifier (NPI) is 1245694462, issued on Apr 13, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Lakshmanan Sivasundaram located?

The NPPES record lists a practice address at 2525 Erringer RD, Simi Valley, CA, 93065. Phone: (805) 527-1404. Providers update this record themselves, so call before visiting.

How can I verify Lakshmanan Sivasundaram's license?

NPPES lists California license number A175877, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Lakshmanan Sivasundaram prescribe under Medicare Part D?

In 2024, Lakshmanan Sivasundaram had 203 Medicare Part D claims for 120 beneficiaries; the average among sports medicine (orthopaedic surgery) physician prescribers was 288. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.