William Boylan IV

Primary specialty

Physical TherapistTaxonomy code 225100000X

Practice address

1288 S Governors Ave
Dover, DE 19904-4802

Phone

(302) 677-0100

Fax

(302) 677-0267

NPI assigned

Aug 29, 2025

Last updated

Aug 29, 2025By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in DE

Enrollment records 1

Specialty

Physical Therapist in Private Practice

Education

Other, 2025

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Ati Holdings, LLCGroup PAC ID 9537112719, 440 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Practice roles

Locations

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.

• Ati Holdings, LLC

  dba ATI Physical Therapy

  • Physical Therapy Clinic/Center
  • Rising Sun, MD
  • NPI 1396781050

  DE, Physical Therapist

  Medicare reassignment Care Compare group NPD
• Ati Holdings, LLC

  • Durable Medical Equipment & Medical Supplies
  • King of Prussia, PA
  • NPI 1750194460

  Physical Therapist

  NPD

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

{
    "created_epoch": "1756425600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756425600000",
    "number": "1033098439",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2001 BUTTERFIELD RD STE 1600",
            "city": "DOWNERS GROVE",
            "state": "IL",
            "postal_code": "605151211"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1288 S GOVERNORS AVE",
            "city": "DOVER",
            "state": "DE",
            "postal_code": "199044802",
            "telephone_number": "302-677-0100",
            "fax_number": "302-677-0267"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BOYLAN",
        "first_name": "WILLIAM",
        "name_suffix": "IV",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2025-08-29",
        "last_updated": "2025-08-29",
        "certification_date": "2025-08-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "225100000X",
            "taxonomy_group": "",
            "desc": "Physical Therapist",
            "state": "DE",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Gabrielle Bowden
• Lynn E. Bowers, C.R.N.A.
• Sherron Bowie, NP
• Eunice Carreen Boyd-Gant, DNP, APRN, FNP-BC
• Ryan Boylan, PT, DPT
• Heather R. Boyle, DMD
• Isaiah L Brack
• Bradford Family Physicians LLC
• Judith Alicia Bradford, LCSW
• Shelby Louise Bradford, LPCMH, NCC, MS, BA

• Physical Therapist in Dover, DE
• Providers in Dover, DE by specialty
• Physical Therapist in Delaware

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 29, 2025; 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.