Individual provider Active NPI

William Clarke Adams, PTA

  • Physical Therapy Assistant
  • Concord, CA
National Provider Identifier
1629982269
Registry record updated Sep 30, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physical Therapy AssistantTaxonomy code 225200000X
License
AT5518 Issued in CA
Practice address
2700 Grant St Ste 300
Concord, CA 94520-2267
Phone
(925) 674-2125
NPI assigned
Sep 30, 2026
Last updated
Sep 30, 2026By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 30, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physical Therapy Assistant 225200000X AT5518 CA Primary

Addresses

Primary practice location

2700 Grant St Ste 300
Concord, CA 94520-2267

Mailing address

301 Rock Creek Way
Pleasant Hill, CA 94523-4711
Phone (925) 890-6917

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

NPI Registry JSON

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

{
    "created_epoch": "1790726400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790726400000",
    "number": "1629982269",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "301 ROCK CREEK WAY",
            "city": "PLEASANT HILL",
            "state": "CA",
            "postal_code": "945234711",
            "telephone_number": "925-890-6917"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2700 GRANT ST STE 300",
            "city": "CONCORD",
            "state": "CA",
            "postal_code": "945202267",
            "telephone_number": "925-674-2125"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ADAMS",
        "first_name": "WILLIAM",
        "middle_name": "CLARKE",
        "credential": "PTA",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2026-09-30",
        "last_updated": "2026-09-30",
        "certification_date": "2026-09-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "225200000X",
            "taxonomy_group": "",
            "desc": "Physical Therapy Assistant",
            "state": "CA",
            "license": "AT5518",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Concord, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 30, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.