Individual provider Active NPI

Allen J Maskell, DPT

  • Physical Therapist
  • Chicago, IL
National Provider Identifier
1912509977
Registry record updated Apr 8, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physical TherapistTaxonomy code 225100000X
License
070028333 Issued in IL
Practice address
9645 S Western Ave
Chicago, IL 60643-1722
Phone
(773) 239-2734
Fax
(773) 239-2784
NPI assigned
Nov 13, 2020
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 8, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Physical Therapist 225100000X 298463 CA
Physical Therapist 225100000X IL
Physical Therapist 225100000X 070028333 IL Primary

Addresses

Primary practice location

9645 S Western Ave
Chicago, IL 60643-1722

Mailing address

790 Remington Blvd
Bolingbrook, IL 60440-4909

Other practice location 1

3989 W Stetson Ave Ste 105
Hemet, CA 92545-9697
Phone (951) 652-3334

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20240709002074 IL Practitioner - Physical Therapist in Private Practice 7012329196 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Physical Therapist in Private Practice
Education
Other, 2020
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Rci (WRS) LLCGroup PAC ID 5092624510, 325 clinicians

Practice addresses (Care Compare)

1151 S State St
Chicago, IL 60605-2304
Phone (312) 583-1220

Merit-based Incentive Payment System (MIPS)

Final score
86.49 of 100Reported as group
Quality
90
Improvement activities
40
Cost
73.3

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
070028333ILMDPhysical Therapist

Practice roles

OrganizationSpecialtyStatusNew patients
Athletic and Therapeutic Institute of Naperville LLC Physical Therapist CurrentSince Aug 5, 2024 Accepting new patients
Athletic and Therapeutic Institute of Naperville, LLC CurrentSince Aug 5, 2024 Accepting new patients
Rci (WRS), LLC. CurrentSince Apr 14, 2025 Accepting new patients
Rci (WRS), LLC. Physical Therapist Current Accepting new patients
Elite Physical Therapy and Wellness, Inc. Physical Therapist CurrentSince Mar 7, 2021 Accepting new patients
Rci (WRS), LLC CurrentSince Apr 14, 2025 Accepting new patients

Locations

24630 Washington Ave
Ste 201
Murrieta, CA 92562
Phone (951) 200-3620

790 Remington Blvd
Bolingbrook, IL 60440

1151 S State St
Chicago, IL 60605
Phone (312) 360-1151

9645 S Western Ave
Chicago, IL 60643
Phone (773) 239-2734

4947 Paysphere Cir
Chicago, IL 60674
Phone (630) 783-2001

800 Des Plaines Ave
Forest Park, IL 60130
Phone (708) 366-2442

826 W Touhy Ave
Park Ridge, IL 60068
Phone (847) 720-4165

2325 W Monroe St
Springfield, IL 62704
Phone (217) 241-0270

967 N Green Bay Rd
Waukegan, IL 60085
Phone (224) 321-5237

109 W Geneva Rd
Wheaton, IL 60187
Phone (630) 784-3251

0S050 Winfield Rd
Ste 120
Winfield, IL 60190
Phone (630) 653-4743

Organizations & group practices 6

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": "1605225600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1744070400000",
    "number": "1912509977",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "790 REMINGTON BLVD",
            "city": "BOLINGBROOK",
            "state": "IL",
            "postal_code": "604404909"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9645 S WESTERN AVE",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606431722",
            "telephone_number": "773-239-2734",
            "fax_number": "773-239-2784"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3989 W Stetson Ave Ste 105",
            "address_purpose": "LOCATION",
            "city": "Hemet",
            "state": "CA",
            "postal_code": "925459697",
            "country_code": "US",
            "telephone_number": "951-652-3334",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MASKELL",
        "first_name": "ALLEN",
        "middle_name": "J",
        "credential": "DPT",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-11-13",
        "last_updated": "2025-04-08",
        "certification_date": "2025-04-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "225100000X",
            "taxonomy_group": "",
            "desc": "Physical Therapist",
            "state": "CA",
            "license": "298463",
            "primary": false
        },
        {
            "code": "225100000X",
            "taxonomy_group": "",
            "desc": "Physical Therapist",
            "state": "IL",
            "license": null,
            "primary": false
        },
        {
            "code": "225100000X",
            "taxonomy_group": "",
            "desc": "Physical Therapist",
            "state": "IL",
            "license": "070028333",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Chicago, IL

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 8, 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.