Individual provider Active NPI

William Ralph Clayton

  • Physical Therapist
  • Clayton, NC
National Provider Identifier
1952760704
Registry record updated Jul 7, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physical TherapistTaxonomy code 225100000X
License
P16147 Issued in NC
Practice address
166 Springbrook Ave
Ste 201
Clayton, NC 27520-8520
Phone
(919) 535-8461
Fax
(919) 535-8459
NPI assigned
Feb 22, 2016
Last updated
Jul 7, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 7, 2026

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 P16147 NC Primary

Addresses

Primary practice location

166 Springbrook Ave
Ste 201
Clayton, NC 27520-8520

Mailing address

2122 York Rd Ste 300
Oak Brook, IL 60523-1925

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20160706000851 NC Practitioner - Physical Therapist in Private Practice 9335431782 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Physical Therapist in Private Practice
Education
Other, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Activcare Physical Therapy, LLCGroup PAC ID 8628027471, 126 clinicians

Practice addresses (Care Compare)

166 Springbrook Ave
Suite 201
Clayton, NC 27520-8520
Phone (919) 535-8461

Merit-based Incentive Payment System (MIPS)

Final score
88.67 of 100Reported as group
Quality
85.21
Promoting interoperability
99
Improvement activities
40
Cost
77.85

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

Practice roles

OrganizationSpecialtyStatusNew patients
Activcare Physical Therapy, LLC Physical Therapist CurrentSince Feb 8, 2016 Accepting new patients

Locations

2122 York Rd
Ste 300
Oak Brook, IL 60523
Phone (630) 575-6250

166 Springbrook Ave
Ste 201
Clayton, NC 27520
Phone (919) 535-8461

3410 Executive Dr
Ste 205
Raleigh, NC 27609
Phone (919) 322-0042

Interoperability endpoints

  • Direct secure messaging: william.clayton.p12@direct.athleticoltd.nextgenshare.com

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1456099200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783382400000",
    "number": "1952760704",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2122 YORK RD STE 300",
            "city": "OAK BROOK",
            "state": "IL",
            "postal_code": "605231925"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "166 SPRINGBROOK AVE",
            "address_2": "STE 201",
            "city": "CLAYTON",
            "state": "NC",
            "postal_code": "275208520",
            "telephone_number": "919-535-8461",
            "fax_number": "919-535-8459"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CLAYTON",
        "first_name": "WILLIAM",
        "middle_name": "RALPH",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-02-22",
        "last_updated": "2026-07-07",
        "certification_date": "2026-07-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "225100000X",
            "taxonomy_group": "",
            "desc": "Physical Therapist",
            "state": "NC",
            "license": "P16147",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Clayton, NC

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 7, 2026; 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.