Sean Christopher Maxwell

Primary specialty

Physical TherapistTaxonomy code 225100000X

License

J1-0003850 Issued in DE

Practice address

4345 Kirkwood Hwy Ste 201
Wilmington, DE 19808-5131

Phone

(302) 635-9009

Fax

(302) 449-2047

NPI assigned

Jan 16, 2018

Last updated

Aug 28, 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 MD, DE, PA3 enrollments

Enrollment records 3

Specialty

Physical Therapist in Private Practice

Education

Other, 2017

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)

Merit-based Incentive Payment System (MIPS)

Final score

86.05 of 100Reported as group

Quality

89.12

Improvement activities

40

Cost

73.46

Medicare enrollment (NPD)

Enrolled

State licenses

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

  PA, Physical Therapist

  Medicare reassignment Care Compare group NPD
• Premier Physical Therapy and Sports Performance Limited Partnership

  • Physical Therapist
  • Middletown, DE
  • NPI 1417320151
  Medicare reassignment NPD
• Premier Physical Therapy and Sports Performance Limited Partnership

  • Durable Medical Equipment & Medical Supplies
  • Milford, DE
  • NPI 1457943623
  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": "1516060800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756339200000",
    "number": "1912415654",
    "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": "4345 KIRKWOOD HWY STE 201",
            "city": "WILMINGTON",
            "state": "DE",
            "postal_code": "198085131",
            "telephone_number": "302-635-9009",
            "fax_number": "302-449-2047"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MAXWELL",
        "first_name": "SEAN",
        "middle_name": "CHRISTOPHER",
        "name_prefix": "Dr.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-01-16",
        "last_updated": "2025-08-28",
        "certification_date": "2025-08-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "225100000X",
            "taxonomy_group": "",
            "desc": "Physical Therapist",
            "state": "DE",
            "license": "J1-0003850",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Maxim Healthcare Services, Inc.
• Alyssa Maxwell
• Clyde A Maxwell Jr., D.D.S.
• Jennifer Lynn Maxwell, FNP
• Lisa Maxwell, MD
• Jaquetta May
• Lauren Ashley May, M.D.
• Victoria Lynn Maycole
• Daniel Richard Mayers, D.O.
• Naydeen Mayo, LPCMH

• Physical Therapist in Wilmington, DE
• Providers in Wilmington, 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 28, 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.