NPIMap

Individual provider Active NPI

Arun Villivalam, M.D,

  • Family Medicine Physician
  • Los Gatos, CA
National Provider Identifier
1639355944
Registry record updated Sep 3, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
A73520 Issued in CA
Practice address
15195 National Ave
Suite 205
Los Gatos, CA 95032-2631
Phone
(408) 502-6040
Fax
(408) 502-6040
NPI assigned
Jan 16, 2008
Last updated
Sep 3, 2026By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 3, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X A73520 CA Primary

Addresses

Primary practice location

15195 National Ave
Suite 205
Los Gatos, CA 95032-2631

Mailing address

15195 National Ave
Suite 205
Los Gatos, CA 95032-2631
Phone (408) 502-6040

Other practice location 1

10 Dorrance St Ste 700
Providence, RI 02903-2014
Phone (650) 610-2655

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA, GA, FL, MA, UT, NH, MI, TX, KY, OH10 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 10

Enrollment IDStateProvider typePAC IDDetails
I20131017000361 CA Practitioner - Family Practice 3971558727 Reassigns benefits to 2 organizations
I20221209001784 GA Practitioner - Family Practice 3971558727 Reassigns benefits to 1 organization
I20221212000697 FL Practitioner - Family Practice 3971558727 Reassigns benefits to 1 organization
I20230106000820 MA Practitioner - Family Practice 3971558727 Reassigns benefits to 1 organization
I20230501001152 UT Practitioner - Family Practice 3971558727 Reassigns benefits to 1 organization
I20230717000696 NH Practitioner - Family Practice 3971558727 Reassigns benefits to 1 organization
I20230803001049 MI Practitioner - Family Practice 3971558727 Reassigns benefits to 1 organization
I20240105004094 TX Practitioner - Family Practice 3971558727 Reassigns benefits to 1 organization
I20240429000398 KY Practitioner - Family Practice 3971558727 Reassigns benefits to 1 organization
I20240605003061 OH Practitioner - Family Practice 3971558727 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
Jefferson Medical College of Thomas Jefferson University, 1998
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services

Practice addresses (Care Compare)

15195 National Ave
Suite 205
Los Gatos, CA 95032-2631
Phone (408) 502-6040

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
A73520CAMDFamily Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Sprinter Medical West PC Current Accepting new patients
El Camino Health Medical Network, LLC Past Accepting new patients
Major Hospital Past Accepting new patients
Medstar Georgetown Medical Center, Inc Past Accepting new patients
Sprinter Medical, PLLC Family Medicine PastSince Nov 7, 2024 Accepting new patients
Good Samaritan Hospital, L.P. Past Accepting new patients
El Camino Hospital Past Accepting new patients
General Internal Medicine Group Past Accepting new patients
U S Health Dept of Health & Human Services Past Accepting new patients
U S Health Dept of Health & Human Services Past Accepting new patients

Locations

4600 Bohannon Dr
Ste 100
Menlo Park, CA 94025
Phone (925) 322-4455

Interoperability endpoints

  • Direct secure messaging: arun.villivalam@59733649719300.direct.elationemr.com
  • Direct secure messaging: arun.villivalam@746395612545028.direct.elationemr.com
  • FHIR API: https://api.platform.athenahealth.com/13128/brand/1/csg/1/fhir/r4

Organizations & group practices 12

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 9

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1200441600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788393600000",
    "number": "1639355944",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "15195 NATIONAL AVE",
            "address_2": "SUITE 205",
            "city": "LOS GATOS",
            "state": "CA",
            "postal_code": "950322631",
            "telephone_number": "408-502-6040",
            "fax_number": "408-502-6040"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "15195 NATIONAL AVE",
            "address_2": "SUITE 205",
            "city": "LOS GATOS",
            "state": "CA",
            "postal_code": "950322631",
            "telephone_number": "408-502-6040",
            "fax_number": "408-502-6040"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "10 Dorrance St Ste 700",
            "address_purpose": "LOCATION",
            "city": "Providence",
            "state": "RI",
            "postal_code": "029032014",
            "country_code": "US",
            "telephone_number": "650-610-2655",
            "fax_number": "650-606-8619",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "VILLIVALAM",
        "first_name": "ARUN",
        "credential": "M.D,",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2008-01-16",
        "last_updated": "2026-09-03",
        "certification_date": "2026-09-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "A73520",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Los Gatos, CA

Sources for this page

Verify at the official NPI Registry.