Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ARUN VILLIVALAM M.D,
NPI 1639355944
Family Medicine in Los Gatos, CA

Q: What is Arun Villivalam's NPI number?

The NPI number for Arun Villivalam is 1639355944. It was assigned to this individual provider in the NPPES registry on January 16, 2008.

Q: What is Arun Villivalam's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Arun Villivalam was last updated on September 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 57 days 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.

Active since January 16, 2008PECOS EnrolledAccepts Medicare Assignment

15195 NATIONAL AVE, SUITE 205, LOS GATOS, CA 95032(408) 502-6040(408) 502-6040 Get Directions Write a Review

NPPES record last updated: September 3, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Arun Villivalam M.d, NPPES

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

ARUN VILLIVALAM M.D, (NPI 1639355944) is an individual family medicine provider in Los Gatos, California, licensed in California (A73520) and active in the NPI registry since January 2008. He is enrolled in Medicare PECOS, maintains a secondary practice location in Providence, and is a graduate of Jefferson Medical College Of Thomas Jefferson University (1998).

NPPES Registry Identity

NPI1639355944

Entity TypeIndividualMale

Primary Taxonomy207Q00000X

Provider Legal NameARUN VILLIVALAMCredential: M.D,

Location Address15195 NATIONAL AVE, SUITE 205Los Gatos, CA 95032-2631

Mailing Address15195 National Ave, Suite 205Los Gatos, CA 95032-2631 · (408) 502-6040 · Fax (408) 502-6040

Phone(408) 502-6040

Fax(408) 502-6040

Sole ProprietorYes

Medical School CMSJefferson Medical College Of Thomas Jefferson UniversityGraduated 1998

Enumeration DateJanuary 16, 2008

Last NPPES UpdateSeptember 3, 2026

NPPES CertifiedSeptember 3, 2026

✔ NPI 1639355944 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in CA · A73520

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

15195 NATIONAL AVE, Los Gatos, CA 95032

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Secondary Practice Location 1

Location 110 Dorrance St Ste 700Providence, RI 02903-2014 · Phone (650) 610-2655 · Fax (650) 606-8619

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

Arun Villivalam M.d, 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 ID3971558727

PECOS Enrollment IDI20131017000361

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 Arun Villivalam reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Arun Villivalam, MD Inc

Same address

Primary Care

15195 NATIONAL AVE, SUITE 205
Los Gatos, CA 95032

Reassigned Medicare billing, California enrollment

NPI 1245685130 (408) 502-6040

Sprinter Medical West PC

20 mi

Family Medicine

4600 BOHANNON DR STE 100
Menlo Park, CA 94025

Reassigned Medicare billing, California, Florida, Georgia, Kentucky, Massachusetts, Michigan, New Hampshire, Ohio, Texas and Utah enrollments

NPI 1790368702 (209) 677-7468

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 12

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.

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.

592 services250 patients

Advance care planning, first 30 minutes 99497

Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.

244 services244 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

240 services240 patients

Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days 99454

This service involves using devices to remotely track body functions like heart rate or blood pressure. These devices, provided initially, record data daily or send alerts if readings are abnormal. The service is renewed every 30 days.

137 services37 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.

103 services103 patients

Administration and interpretation of patient-focused health risk assessment 96160

This procedure involves a detailed evaluation of your health to identify potential risks. It includes analyzing your medical history, lifestyle habits, and family health history. The results are interpreted to provide a personalized plan to improve your health and prevent future issues.

64 services64 patients

Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 99211

This service involves an outpatient visit for established patients who may not need direct interaction with a healthcare professional. It could include reviewing test results, monitoring existing conditions, or adjusting treatment plans. It's typically done remotely, ensuring your comfort and convenience.

55 services49 patients

Remote monitoring of physiologic parameters, initial set-up and patient education on use of equipment 99453

Remote monitoring of physiologic parameters involves using special equipment to track vital signs like heart rate and blood pressure from a distance. The initial set-up includes installing the device and teaching the patient how to use it correctly for accurate readings.

39 services39 patients

Transitional care management services for problem of at least moderate complexity 99495

Transitional care management services focus on coordinating and managing your care after you leave the hospital. For moderate complexity problems, this involves managing your medications, arranging further treatments, and ensuring you have the necessary follow-ups.

25 services20 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

23 services21 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.

13 services13 patients

Transitional care management services for problem of high complexity 99496

Transitional care management services are designed to ensure a smooth transition from a hospital to home or another care setting for patients with complex health issues. These services include medication management, patient education, and coordination with healthcare providers.

12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95032 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$106.47 typical visit price

range $70.37 – $206.04

Typical copayment $26.61 (range $17.59 – $51.51)

Most-billed visit code 99203

Established Patient

$121.77 typical visit price

range $23.96 – $169.60

Typical copayment $30.44 (range $5.99 – $42.40)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

5 suppliers12 claims44 services$6.64 avg. paid by Medicare

Continuous positive airway pressure (cpap) device E0601

DME-Other DME · category DE001N

1 supplier12 claims12 services$37.21 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

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

GREGORY SCOTT MACDONELL M.D.

Anesthesiology

15195 NATIONAL AVE, #100
LOS GATOS, CA 95032

Santa Clara County (408) 356-0454

NEERAJ KOCHHAR MD

Family Medicine

15195 NATIONAL AVE, 205
LOS GATOS, CA 95032

Santa Clara County (408) 358-9917

MRS. ESTHER LOIS CROWELL C.N.M.

Advanced Practice Midwife

15195 NATIONAL AVE, SUITE 207
LOS GATOS, CA 95032

Santa Clara County (408) 358-1881

WENTWORTH PARTNERS INC.

Family Medicine

15195 NATIONAL AVE, 205
LOS GATOS, CA 95032

Santa Clara County (408) 358-9917

ARUN VILLIVALAM, MD INC

Clinic/Center (Primary Care)

15195 NATIONAL AVE, SUITE 205
LOS GATOS, CA 95032

Santa Clara County (408) 502-6040

DR. DIPA H. PATEL MD

Radiology (Diagnostic Radiology)

15195 NATIONAL AVE, SUITE 201
LOS GATOS, CA 95032

Santa Clara County (408) 800-5247

DR. IRVING WILLIAM OLENDER M.D.

Obstetrics & Gynecology (Gynecology)

15195 NATIONAL AVE, SUITE 201
LOS GATOS, CA 95032

Santa Clara County (408) 358-2788

NILIMA B PAREKHJI M.D.

Obstetrics & Gynecology

15195 NATIONAL AVE, STE 207
LOS GATOS, CA 95032

Santa Clara County (408) 358-1881

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 Arun Villivalam's NPI number?

The NPI number for Arun Villivalam is 1639355944. It was assigned to this individual provider in the NPPES registry on January 16, 2008.

Where is Arun Villivalam located?

Arun Villivalam practices at 15195 National Ave Suite 205, Los Gatos, CA 95032. The listed phone number is (408) 502-6040.

What is Arun Villivalam's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Arun Villivalam enrolled in Medicare?

Yes. Arun Villivalam 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 Arun Villivalam's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Arun Villivalam reassigns Medicare benefits to 2 organizations: Arun Villivalam, MD Inc (Los Gatos, CA) and Sprinter Medical West PC (Menlo Park, CA). 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 Arun Villivalam'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 Arun Villivalam was last updated on September 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 57 days 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.