Individual provider Active NPI

Brian Robert Williamson, PT

  • Physical Therapist
  • San Jose, CA
National Provider Identifier
1841273208
Registry record updated Apr 23, 2015
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physical TherapistTaxonomy code 225100000X
License
PT12361 Issued in CA
Practice address
1505 Meridian Ave
Ste a
San Jose, CA 95125-5353
Phone
(408) 264-6643
Fax
(408) 264-6652
NPI assigned
Nov 21, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 23, 2015

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physical Therapist 225100000X PT12361 CA Primary

Addresses

Primary practice location

1505 Meridian Ave
Ste a
San Jose, CA 95125-5353

Mailing address

1505 Meridian Ave
Ste a
San Jose, CA 95125-5353
Phone (408) 264-6643

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20071001000551 CA Practitioner - Physical Therapist in Private Practice 8820183262 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Physical Therapist in Private Practice
Education
Other, 1984
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Doorstep Physical Therapy CorpGroup PAC ID 5496278319, 2 clinicians

Practice addresses (Care Compare)

San Jose, CA 95118
Phone (408) 429-5531

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
PT12361CAMDPhysical Therapist

Practice roles

OrganizationSpecialtyStatusNew patients
Doorstep Physical Therapy Corp Physical Therapist CurrentSince Nov 6, 2025 Accepting new patients

Organizations & group practices 1

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

NPI Registry JSON

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

{
    "created_epoch": "1132531200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1429747200000",
    "number": "1841273208",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1505 MERIDIAN AVE",
            "address_2": "STE A",
            "city": "SAN JOSE",
            "state": "CA",
            "postal_code": "951255353",
            "telephone_number": "408-264-6643",
            "fax_number": "408-264-6652"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1505 MERIDIAN AVE",
            "address_2": "STE A",
            "city": "SAN JOSE",
            "state": "CA",
            "postal_code": "951255353",
            "telephone_number": "408-264-6643",
            "fax_number": "408-264-6652"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLIAMSON",
        "first_name": "BRIAN",
        "middle_name": "ROBERT",
        "credential": "PT",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-11-21",
        "last_updated": "2015-04-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "225100000X",
            "taxonomy_group": "",
            "desc": "Physical Therapist",
            "state": "CA",
            "license": "PT12361",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Jose, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 23, 2015; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.