Nathan Matthew Ryndak, MPT

Primary specialty

Physical TherapistTaxonomy code 225100000X

License

070013679 Issued in IL

Practice address

4511 Route 71
Oswego, IL 60543-7416

Phone

(630) 554-7815

Fax

(630) 554-4849

NPI assigned

Apr 18, 2007

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

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in IL

Enrollment records 1

Specialty

Physical Therapist in Private Practice

Education

Other, 2003

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Athletic and Therapeutic Institute of Bourbonnais, LLCGroup PAC ID 4183692577, 171 clinicians

Practice addresses (Care Compare)

Merit-based Incentive Payment System (MIPS)

Final score

85.61 of 100Reported as group

Quality

90

Improvement activities

40

Cost

70.36

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 and National Provider Directory roles.

• Athletic and Therapeutic Institute of Bourbonnais, LLC

  • Physical Therapist
  • Bourbonnais, IL
  • NPI 1861503542
  Medicare reassignment Care Compare group NPD
• Athletic and Therapeutic Institute of Naperville LLC

  • Physical Therapist
  • Aurora, IL
  • NPI 1023129681
  Medicare reassignment NPD
• Athletic and Therapeutic Institute of Bourbonnais, LLC

  • Durable Medical Equipment & Medical Supplies
  • Columbia, IL
  • NPI 1124766696

  Physical Therapist

  NPD
• Athletic and Therapeutic Institute of Naperville, LLC

  • Durable Medical Equipment & Medical Supplies
  • Hazel Crest, IL
  • NPI 1043952641
  NPD
• Athletic and Therapeutic Institute of Naperville, LLC

  • Physical Therapist
  • Winfield, IL
  • NPI 1265597157
  NPD (past)

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

{
    "created_epoch": "1176854400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1770700338",
    "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": "4511 ROUTE 71",
            "city": "OSWEGO",
            "state": "IL",
            "postal_code": "605437416",
            "telephone_number": "630-554-7815",
            "fax_number": "630-554-4849"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "RYNDAK",
        "first_name": "NATHAN",
        "middle_name": "MATTHEW",
        "credential": "MPT",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-04-18",
        "last_updated": "2025-09-11",
        "certification_date": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "225100000X",
            "taxonomy_group": "",
            "desc": "Physical Therapist",
            "state": "IL",
            "license": "070013679",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICARE RAILROAD",
            "identifier": "P00931545",
            "state": "IL"
        }
    ],
    "endpoints": [],
    "other_names": []
}

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• Lori J Ruwe
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• Luis Carlos Salgado

• Physical Therapist in Oswego, IL
• Providers in Oswego, IL by specialty
• Physical Therapist in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 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.