LAKSHMANAN SIVASUNDARAM
NPI 1245694462
Orthopaedic Surgery - Sports Medicine in Simi Valley, CA

Q: What is Lakshmanan Sivasundaram's NPI number?

The NPI number for Lakshmanan Sivasundaram is 1245694462. It was assigned to this individual provider in the NPPES registry on April 13, 2016.

Q: What is Lakshmanan Sivasundaram's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Sports Medicine, with taxonomy code 207XX0005X.

Active since April 13, 2016PECOS EnrolledAccepts Medicare Assignment

2525 ERRINGER RD, SIMI VALLEY, CA 93065(805) 527-1404 Get Directions Write a Review

NPPES record last updated: January 20, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 20, 2026, Jun 4, 2024, Nov 7, 2022 and 1 more (4 updates tracked since 2022).

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About Lakshmanan Sivasundaram NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LAKSHMANAN SIVASUNDARAM (NPI 1245694462) is an individual sports medicine provider in Simi Valley, California, licensed in California (A175877) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS, maintains a secondary practice location in Thousand Oaks, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1245694462

Entity TypeIndividualMale

Primary Taxonomy207XX0005X

Provider Legal NameLAKSHMANAN SIVASUNDARAM

Location Address2525 ERRINGER RDSimi Valley, CA 93065-2352

Mailing Address1203 Flynn Rd Unit 160Camarillo, CA 93012-6203 · (805) 804-4168 · Fax (805) 830-1177

Phone(805) 527-1404

Sole ProprietorNo

Medical School CMSOtherGraduated 2016

Enumeration DateApril 13, 2016

Last NPPES UpdateJanuary 20, 20264 updates tracked since enumeration

NPPES CertifiedJanuary 20, 2026

✔ NPI 1245694462 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic Surgery · Sports MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207XX0005X

License✔ Licensed in CA · A175877

Definition

An orthopaedic surgeon trained in sports medicine provides appropriate care for all structures of the musculoskeletal system directly affected by participation in sporting activity. This specialist is proficient in areas including conditioning, training and fitness, athletic performance and the impact of dietary supplements, pharmaceuticals, and nutrition on performance and health, coordination of care within the team setting utilizing other health care professionals, field evaluation and management, soft tissue biomechanics and injury healing and repair. Knowledge and understanding of the principles and techniques of rehabilitation, athletic equipment and orthotic devices enables the specialist to prevent and manage athletic injuries.

2525 ERRINGER RD, Simi Valley, CA 93065

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Secondary Practice Location 1

Location 1137 E Thousand Oaks BlvdThousand Oaks, CA 91360-5707 · Phone (805) 379-4574

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Lakshmanan Sivasundaram is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2365851664

PECOS Enrollment IDI20221128002271

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Lakshmanan Sivasundaram reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ventura Orthopedics Medical Group, Inc.

Same address

Specialist

2525 ERRINGER RD
Simi Valley, CA 93065

Reassigned Medicare billing, California enrollment
73 clinicians in this Medicare group

NPI 1629531454 (805) 527-1404

Desert Valley Medical Group, Inc

64 mi

Family Medicine

5475 WALNUT AVE STE G
Chino, CA 91710

Reassigned Medicare billing, California enrollment
145 clinicians in this Medicare group

NPI 1588246425 (909) 464-8723

Sports Medicine And Orthopaedic Institute

85 mi

Adult Reconstructive Orthopaedic Surgery

12490 BUSINESS CENTER DR STE 100
Victorville, CA 92395

Reassigned Medicare billing, California enrollment
19 clinicians in this Medicare group

NPI 1669993218 (760) 522-8585

Midwest Orthopaedics At Rush, LLC

1,763 mi

Orthopaedic Surgery

1611 W HARRISON ST, # 400
Chicago, IL 60612

Reassigned Medicare billing, Illinois enrollment
178 clinicians in this Medicare group

NPI 1811942451 (312) 432-2300

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 25

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301

Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.

1,699 services168 patients

Hyaluronan or derivative, durolane, for intra-articular injection, 1 mg J7318

Hyaluronan or derivative, Durolane, is a treatment injected directly into the joint to relieve pain and improve mobility. It's often used for arthritis in the knee. The substance works by supplementing your body's natural joint fluid to help lubricate and cushion the joint.

1,440 services18 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

280 services185 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

229 services150 patients

Aspiration and/or injection of fluid from large joint 20610

This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.

228 services162 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

177 services177 patients

X-ray of shoulder, minimum of 2 views 73030

An X-ray of the shoulder, with a minimum of 2 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of your shoulder bones. This helps in diagnosing conditions like fractures, arthritis, or other abnormalities. The procedure is quick and painless.

136 services99 patients

X-ray of knee, 4 or more views 73564

An X-ray of the knee, 4 or more views, is a non-invasive imaging test. It involves capturing multiple images of your knee from different angles. This helps in diagnosing conditions such as fractures, arthritis, or infections. The procedure is quick and painless.

91 services72 patients

X-ray of hip, 2-3 views 73502

An X-ray of the hip with 2-3 views is a non-invasive imaging test. It uses a small amount of radiation to produce pictures of the hip joint. These images help in diagnosing conditions like fractures, arthritis, or other abnormalities. The process is quick and painless.

83 services57 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

54 services53 patients

X-ray of wrist, minimum of 3 views 73110

An X-ray of the wrist, minimum of 3 views, is a diagnostic procedure that uses radiation to create images of your wrist from different angles. This helps detect fractures, infections, or other abnormalities for accurate diagnosis and treatment planning.

52 services32 patients

X-ray of elbow, minimum of 3 views 73080

An elbow X-ray with a minimum of 3 views is a non-invasive imaging test. It helps visualize the bones of the elbow from different angles. This aids in diagnosing conditions like fractures or arthritis. The procedure is quick, painless, and usually takes around 15 minutes.

34 services23 patients

Mri scan of arm joint without contrast 73221

An MRI scan of the arm joint is a non-invasive imaging procedure that uses magnetic fields and radio waves to create detailed images of the structures within your arm joint. No contrast dye is used in this process. It helps to diagnose or monitor conditions like arthritis, injuries, or infections.

31 services31 patients

Mri scan of leg joint without contrast 73721

An MRI scan of your leg joint is a non-invasive procedure that uses magnetic fields and radio waves to create detailed images of the structures within your leg. This helps doctors diagnose or monitor conditions without using contrast dye.

26 services25 patients

Aspiration and/or injection of fluid large joint using ultrasound guidance 20611

This procedure involves using ultrasound technology to accurately locate a large joint, usually the knee or shoulder. A needle is then inserted to either extract fluid (aspiration) or inject medication. The ultrasound helps ensure precision and safety.

21 services19 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

21 services18 patients

X-ray of thigh bone, minimum 2 views 73552

An X-ray of the thigh bone is a non-invasive imaging test. It involves passing a small amount of radiation through the thigh to produce images of the bone structure. At least two different angles are captured for a comprehensive view. This helps detect fractures, infections, or other abnormalities.

19 services11 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

15 services15 patients

Treatment of upper end of broken thigh bone with placement of stabilizing device or prosthetic replacement 27236

This procedure involves treating a fracture at the top of your thigh bone. A stabilizing device or prosthetic replacement is placed to aid in healing. This helps restore mobility and function while reducing pain. The treatment aims for a quick and safe recovery.

14 services14 patients

Treatment of broken neck of thigh bone with bone implant 27245

This procedure involves repairing a fractured thigh bone by inserting a bone implant. The implant helps stabilize the bone, allowing it to heal correctly. It's performed under anesthesia and requires a hospital stay for recovery.

14 services14 patients

X-ray of upper spine, 4-5 views 72050

An X-ray of the upper spine with 4-5 views is a non-invasive imaging test. It uses radiation to capture detailed images of the bones and structures in your neck and upper back. This procedure helps identify issues like fractures, infections, or deformities.

13 services13 patients

X-ray of knee, 3 views 73562

An X-ray of the knee, 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the knee from three different angles. This helps medical professionals to diagnose and monitor conditions like arthritis, fractures, or infections. The process is quick and painless.

13 services11 patients

X-ray of lower and sacral spine, minimum of 4 views 72110

An X-ray of the lower and sacral spine involves capturing images of your lower back and tailbone area. It helps in identifying issues like fractures, arthritis, or other abnormalities. At least four different angles or 'views' are taken to get a comprehensive picture.

12 services12 patients

Cast supplies, short arm cast, adult (11 years +), fiberglass Q4010

A short arm cast, made from fiberglass, is often used for fractures or injuries to the wrist or forearm in adults and children over 11. It's lightweight, durable, and can be molded to fit your arm comfortably. This cast allows for limited movement while ensuring proper healing.

12 services12 patients

Application of elbow to finger cast 29075

An elbow to finger cast is applied to immobilize the arm from the elbow down to the fingers. This aids in healing fractures or severe sprains. The cast, made from plaster or fiberglass, wraps around the arm, providing support and limiting movement to promote recovery.

11 services11 patients

Other Providers at the Same Location NPPES 14

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MOLLY BRECKLEY PT

Physical Therapist

2525 ERRINGER RD
SIMI VALLEY, CA 93065

Ventura County (805) 526-2311

PAYAM KASHFIAN, M.D., INC.

Radiology (Diagnostic Radiology)

2525 ERRINGER RD, SUITE A
SIMI VALLEY, CA 93065

Ventura County (805) 520-2663

DORIS A MESCH OTR/L

Occupational Therapist (Hand)

2525 ERRINGER RD
SIMI VALLEY, CA 93065

Ventura County (805) 524-1404

DR. JOANNE HELEN WANG MD

Orthopaedic Surgery (Hand Surgery)

2525 ERRINGER RD
SIMI VALLEY, CA 93065

Ventura County (805) 527-1404

ZADE NEIL BATARSEH PA-C

Physician Assistant

2525 ERRINGER RD
SIMI VALLEY, CA 93065

Ventura County (805) 527-1404

DR. GREGG PHILIP HARTMAN M.D.

Orthopaedic Surgery (Sports Medicine)

2525 ERRINGER RD
SIMI VALLEY, CA 93065

Ventura County (805) 527-1404

MITCHELL WAYNE MOSDELL DPT

Physical Therapist

2525 ERRINGER RD
SIMI VALLEY, CA 93065

Ventura County (805) 303-2867

OLUMUYIWA IDOWU

Orthopaedic Surgery (Orthopaedic Surgery of the Spine)

2525 ERRINGER RD
SIMI VALLEY, CA 93065

Ventura County (805) 527-1404

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Lakshmanan Sivasundaram's NPI number?

The NPI number for Lakshmanan Sivasundaram is 1245694462. It was assigned to this individual provider in the NPPES registry on April 13, 2016.

Where is Lakshmanan Sivasundaram located?

Lakshmanan Sivasundaram practices at 2525 Erringer Rd, Simi Valley, CA 93065. The listed phone number is (805) 527-1404.

What is Lakshmanan Sivasundaram's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Sports Medicine, with taxonomy code 207XX0005X.

Is Lakshmanan Sivasundaram enrolled in Medicare?

Yes. Lakshmanan Sivasundaram is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Lakshmanan Sivasundaram's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lakshmanan Sivasundaram reassigns Medicare benefits to 4 organizations: Ventura Orthopedics Medical Group, Inc. (Simi Valley, CA), Desert Valley Medical Group, Inc (Chino, CA), Sports Medicine And Orthopaedic Institute (Victorville, CA) and Midwest Orthopaedics At Rush, LLC (Chicago, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Lakshmanan Sivasundaram's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Lakshmanan Sivasundaram was last updated on January 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.